CN213337445U - Vacuum high-pressure motion platform for mass spectrometry detection - Google Patents
Vacuum high-pressure motion platform for mass spectrometry detection Download PDFInfo
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- CN213337445U CN213337445U CN202021886255.XU CN202021886255U CN213337445U CN 213337445 U CN213337445 U CN 213337445U CN 202021886255 U CN202021886255 U CN 202021886255U CN 213337445 U CN213337445 U CN 213337445U
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- 230000033001 locomotion Effects 0.000 title claims abstract description 43
- 238000004949 mass spectrometry Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910001008 7075 aluminium alloy Inorganic materials 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 238000001840 matrix-assisted laser desorption--ionisation time-of-flight mass spectrometry Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
本实用新型提供了一种用于质谱检测的真空高压运动平台，包括腔体、高压传导部件、样品靶板拖、xy运动机构，所述腔体内部底板上设有XY运动机构、所述高压传导部件一端与腔体连接，另一端与样品靶板拖连接，所述样品靶板拖连接在xy运动机构上。本实用新型有益效果：在真空环境下实现低成本的高精度二维运动，实现高压导入同时与运动平台绝缘，进一步降低了飞行时间质谱仪的生产成本，同时可适用于其他小型在真空下运动的设备。
The utility model provides a vacuum high-pressure motion platform for mass spectrometry detection, comprising a cavity, a high-voltage conducting component, a sample target plate drag, and an xy motion mechanism. One end of the conducting member is connected to the cavity, and the other end is connected to the sample target plate, and the sample target plate is connected to the xy motion mechanism. The utility model has the beneficial effects of realizing low-cost high-precision two-dimensional motion in a vacuum environment, realizing high-voltage introduction and insulation from the motion platform at the same time, further reducing the production cost of the time-of-flight mass spectrometer, and being applicable to other small motions in a vacuum. device of.
Description
Technical Field
The utility model belongs to the technical field of the mass spectrometry detects, especially, relate to a vacuum high pressure motion platform for mass spectrometry detects.
Background
In the detection and analysis process of the matrix-assisted laser desorption ionization time-of-flight mass spectrometer, the position of an excitation light source output by a laser is unchanged, the switching of samples is realized through the two-dimensional movement of a sample target plate, and meanwhile, high voltage of more than 15000V needs to be provided for the sample target plate. Most manufacturers use high-precision linear motors to realize the motion of the linear motors, and the linear motors are high in price, high in cost and complex to maintain and disassemble.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a vacuum high-pressure motion platform for mass spectrometry to solve the above-mentioned problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a vacuum high pressure motion platform for mass spectrometry, includes cavity, high pressure conduction part, sample target plate drag, XY motion, be equipped with XY motion on the inside bottom plate of cavity, high pressure conduction part one end is connected with the cavity, and the other end drags with the sample target plate to be connected, the sample target plate drags to be connected on XY motion.
Furthermore, an x-axis guide rail positioning groove is formed in a bottom plate in the cavity, a molecular pump interface and a high-voltage electrode interface are arranged on the right side wall, a penning gauge interface is arranged on the rear side wall, and an electrode driving switching aerial plug interface is arranged on the front side wall.
Further, high pressure conduction part includes vacuum high voltage electrode, high pressure conduction pole piece, high pressure introduction connecting piece, insulating post, contact copper brush, the high voltage electrode interface on the cavity right side wall is worn out to vacuum high voltage electrode front end, and high pressure conduction pole piece is connected to the rear end, high pressure introduction connecting piece is connected to the high pressure conduction pole piece other end, high pressure introduction connecting piece other end bottom is connected with the insulating post, the x connecting plate upper surface at xy motion is connected to insulating post bottom, contact copper brush fixed connection is at high pressure introduction connecting piece front end downside, and can contact with the upper surface of high pressure conduction pole piece and be connected.
Further, the sample target plate drags including the target drags, insulating spliced pole, target drags the fixed plate, the target drags fixed plate fixed connection on XY moving mechanism's y connecting plate, the target drags the fixed plate upper surface and is equipped with insulating spliced pole, the top of insulating spliced pole is connected with the target and drags.
Further, the target drags inside and is equipped with the air guide hole.
Furthermore, the xy-motion mechanism comprises an x-axis guide rail, an x-axis motor, an x-axis lead screw, an x-axis connecting plate, a y-axis motor, a y-axis lead screw nut and a y-axis connecting plate, wherein the two x-axis guide rails are respectively arranged in an x-axis guide rail positioning groove in the cavity, the two x-axis guide rails are jointly and slidably connected with the x-axis connecting plate, the x-axis connecting plate is connected with the y-axis connecting plate through the y-axis guide rail, the upper surface of the y-axis connecting plate is fixedly connected with a sample target plate support, the x-axis motor and the y-axis motor are respectively connected with the x-axis lead screw and the y-axis lead screw through gear reducers, the x-axis connecting plate and the y-axis connecting plate are respectively connected through the x-axis lead screw nut and the y-axis lead screw nut, the bearing fixing base is fixed on the inside bottom plate of cavity, the bearing fixing base outside is equipped with the x encoder of being connected with x axle screw, the both sides of x connecting plate all are equipped with x direction opto-coupler separation blade the inboard bottom both ends still are equipped with the x opto-coupler in the cavity, the both sides of y connecting plate are equipped with y opto-coupler separation blade, x connecting plate upper surface both sides all are equipped with y axle opto-coupler.
Compared with the prior art, a vacuum high pressure motion platform for mass spectrum detection have following advantage:
a vacuum high pressure motion platform for mass spectrometric detection realize low-cost high accuracy two dimensional movement under vacuum environment, realize that the high pressure is leading-in simultaneously with motion platform insulating, further reduced time of flight mass spectrograph's manufacturing cost, applicable in other small-size equipment of moving under the vacuum simultaneously.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a vacuum high-pressure motion platform according to an embodiment of the present invention;
fig. 2 is a schematic view of a cavity structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the vacuum high-pressure motion platform according to the embodiment of the present invention after the cavity is removed;
FIG. 4 is a schematic view of a contact copper brush connection structure according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a sample target plate holder according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the XY movement mechanism according to the embodiment of the present invention.
Description of reference numerals:
1-a cavity; 11-molecular pump interface; 12-penning interface; 13-electrode driving switching aerial plug interface; 14-high voltage electrode interface; 15-x axis guide rail locating slots; 2-a high voltage conducting component; 21-vacuum high voltage electrode; 22-high voltage conducting pole piece, 23-high voltage leading-in connecting piece, 24-insulating column and 25-contact copper brush; 3-dragging a sample target plate; 31-target dragging; 32-insulating connecting column; 33-target towing fixing plate; 4-xy motion; 41-x axis guide rails; a 42-x axis motor; a 43-x axis lead screw; 44-x axis screw nuts; 45-nut connection plate; 46-bearing fixing seat; a 47-x encoder; a 48-x direction light coupling baffle plate; a 49-x optocoupler; a 410-x web; a 411-y axis motor; a 412-y axis lead screw; 413-y axis lead screw nuts; 414-y connecting plate; 415-y light coupling flaps; 416-y axis optocoupler.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 6, a vacuum high-pressure motion platform for mass spectrometry comprises a cavity 1, a high-pressure conduction part 2, a sample target plate dragging 3 and an XY motion mechanism 4, wherein the XY motion mechanism 4 is arranged on a bottom plate in the cavity 1, one end of the high-pressure conduction part 2 is connected with the cavity 1, the other end of the high-pressure conduction part is connected with the sample target plate dragging 3, and the sample target plate dragging 3 is connected on the XY motion mechanism 4.
The cavity 1 is made of 7075 aluminum alloy and is of an integrally formed structure.
An x-axis guide rail positioning groove 15 is formed in a bottom plate in the cavity 1, a molecular pump interface 11 and a high-voltage electrode interface 14 are arranged on the right side wall, a penning gauge interface 12 is arranged on the rear side wall, and an electrode driving switching aerial insertion interface 13 is arranged on the front side wall.
High pressure conduction part 2 includes that vacuum high voltage electrode 21, high pressure conduction pole piece 22, high pressure introduce connecting piece 23, insulating column 24, contact copper brush 25, high voltage electrode interface 14 on the wall of cavity 1 right side is worn out to vacuum high voltage electrode 21 front end, and high pressure conduction pole piece 22 is connected to the rear end, high pressure conduction pole piece 22 other end is connected the high pressure and is introduced connecting piece 23, just high pressure conduction pole piece 22 horizontal level sets up, the vertical level setting of connecting piece 23 is introduced to the high pressure, high pressure is introduced connecting piece 23 other end bottom and is connected with insulating column 24, insulating column 24 bottom is connected at xy moving mechanism 4's x connecting plate 410 upper surface, contact copper brush 25 fixed connection is introduced connecting piece 23 front end downside at high pressure, and can contact with the upper surface of high pressure conduction pole piece 22 and be connected.
The outer wall of the vacuum high-voltage electrode 21 is coated with a polytetrafluoroethylene outer tube, and the end face of the vacuum high-voltage electrode is connected with the right side wall of the cavity through an O-shaped ring.
The sample target plate dragging 3 comprises a target dragging 31, an insulating connecting column 32 and a target dragging fixing plate 33, the target dragging fixing plate 33 is fixedly connected to a y connecting plate 414 of the XY moving mechanism 4, the insulating connecting column 32 is arranged on the upper surface of the target dragging fixing plate 33, and the top of the insulating connecting column 32 is connected with the target dragging 31.
The target is dragged to be 304 stainless steel materials, and gas holes are formed in the target, so that gas can be led out, and the vacuum standard can be reached.
The insulating connecting column 32 is made of PEEK materials and is connected with the target dragging plate 31 and the target dragging fixing plate 33 respectively, so that the high voltage is guaranteed not to be conducted to the two-dimensional motion platform, and the problems of breakdown and the like are solved.
The xy-motion mechanism 4 comprises an x-axis guide rail 41, an x-axis motor 42, an x-axis lead screw 43, an x-connecting plate 410, a y-axis motor 411, a y-axis lead screw 412, a y-axis lead screw nut 413 and a y-connecting plate 414, wherein the two x-axis guide rails 41 are respectively arranged in an x-axis guide rail positioning groove 15 in the cavity 1, the two x-axis guide rails 41 are jointly and slidably connected with the x-connecting plate 410, the x-connecting plate 410 is connected with the y-axis guide rail 414 through the y-axis guide rail, the upper surface of the y-connecting plate 414 is fixedly connected with a sample target plate mop 3, the x-axis motor 42 and the y-axis motor 411 are respectively connected with the x-axis lead screw 43 and the y-axis lead screw 412 through a gear reducer, the x-axis lead screw nut 44 and the y-axis lead screw nut 413 are respectively connected with the x-connecting plate 410 and the y-connecting plate 414, the, the nut connecting plate uses structure and the material that has certain flexibility, guarantees when small assembly error exists with installation error, the stability of whole equipment motion, the other end of x axle lead screw 43 is connected with bearing fixing base 46, bearing fixing base 46 is fixed on the inside bottom plate of cavity 1, the bearing fixing base 46 outside is equipped with the x encoder 47 of being connected with x axle lead screw 43, the both sides of x connecting plate 410 all are equipped with x direction opto-coupler separation blade 48 the inboard bottom both ends of cavity 1 still are equipped with x opto-coupler 49, the both sides of y connecting plate 414 are equipped with y opto-coupler separation blade 415, x connecting plate 410 upper surface both sides all are equipped with y axle opto-coupler 416.
And a plurality of air guide grooves are formed in the y connecting plate, so that the vacuum performance is ensured.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021886255.XU CN213337445U (en) | 2020-09-02 | 2020-09-02 | Vacuum high-pressure motion platform for mass spectrometry detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021886255.XU CN213337445U (en) | 2020-09-02 | 2020-09-02 | Vacuum high-pressure motion platform for mass spectrometry detection |
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| CN213337445U true CN213337445U (en) | 2021-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014457A (en) * | 2020-09-02 | 2020-12-01 | 天津国科医工科技发展有限公司 | Vacuum high-pressure motion platform for mass spectrometry detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014457A (en) * | 2020-09-02 | 2020-12-01 | 天津国科医工科技发展有限公司 | Vacuum high-pressure motion platform for mass spectrometry detection |
| CN112014457B (en) * | 2020-09-02 | 2024-09-10 | 天津国科医疗科技发展有限公司 | Vacuum high-pressure motion platform for mass spectrum detection |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240329 Address after: 300000 building 4, No. 16, Wujing Road, Dongli Development Zone, Dongli District, Tianjin Patentee after: Tianjin Guoke Medical Technology Development Co.,Ltd. Country or region after: China Patentee after: Suzhou Institute of Biomedical Engineering and Technology Chinese Academy of Sciences Address before: Building 4, No.16 Wujing Road, development zone, Dongli District, Tianjin Patentee before: TIANJIN GUOKE YIGONG TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region before: China |
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