CN102983053B - A kind of ion reception device - Google Patents
A kind of ion reception device Download PDFInfo
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- CN102983053B CN102983053B CN201210515878.XA CN201210515878A CN102983053B CN 102983053 B CN102983053 B CN 102983053B CN 201210515878 A CN201210515878 A CN 201210515878A CN 102983053 B CN102983053 B CN 102983053B
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- pole piece
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- 239000002184 metal Substances 0.000 claims abstract description 42
- 230000004888 barrier function Effects 0.000 claims 3
- 150000002500 ions Chemical class 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001871 ion mobility spectroscopy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
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- Electrophotography Using Other Than Carlson'S Method (AREA)
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Abstract
本发明提供一种离子接收装置，包括金属极片(1)、绝缘层(2)、金属屏蔽层(3)，其特征在于：所述的金属极片(1)上开设孔，气流从孔通过，金属极片(1)外侧与绝缘层(2)衔接，绝缘层(2)外侧设置金属屏蔽层(3)；本发明特点和有益效果为：本发明在接收极板上开多个小孔，气流从孔流过，可在气流场内离子的接收，克服目前用一个金属片接收离子，气流从金属片侧壁流过，造成气流不稳定的现象，将一个极片分为若干个小的极片，使得气流流过接收极片后气流变的相对平稳，具有结构简单、气流平稳、离子接收效率高的特点。
The invention provides an ion receiving device, comprising a metal pole piece (1), an insulating layer (2), and a metal shielding layer (3), characterized in that holes are set on the metal pole piece (1), and the airflow passes through the holes Through, the outer side of the metal pole piece (1) is connected with the insulating layer (2), and the outer side of the insulating layer (2) is provided with a metal shielding layer (3); the characteristics and beneficial effects of the present invention are: the present invention opens a plurality of small Holes, the airflow flows through the holes, and the ions can be received in the airflow field. It overcomes the current phenomenon that a metal sheet is used to receive ions, and the airflow flows through the side wall of the metal sheet, resulting in unstable airflow. A pole piece is divided into several The small pole piece makes the air flow relatively stable after the airflow passes through the receiving pole piece, and has the characteristics of simple structure, stable airflow and high ion receiving efficiency.
Description
技术领域technical field
本发明涉及一种离子装置，尤其涉及一种离子接收装置。The invention relates to an ion device, in particular to an ion receiving device.
背景技术Background technique
传统离子迁移谱或其它类似迁移谱中，通常以一个金属片作为接收极板，气流从极片的侧面流过，由于该金属圆片面积较大，从而造成气流的不稳定，该现象表现为，在接收极前面出现喇叭口状的低压区，不同位置的各点的气流流速不平稳。In traditional ion mobility spectrometry or other similar mobility spectrometry, a metal plate is usually used as a receiving plate, and the airflow flows through the side of the pole piece. Due to the large area of the metal disc, the airflow is unstable. This phenomenon is manifested as , a trumpet-shaped low-pressure area appears in front of the receiving pole, and the airflow velocity at each point at different positions is not stable.
发明内容Contents of the invention
本发明的目的在于解决目前国内现有技术和设计原理在该领域内的缺陷和不足，本发明提供了一种离子接收装置，由于在接收极板上开多个小孔，气流从孔流过，等效于将一个极片分为若干个小的极片，使得气流流过接收极片后气流变的相对平稳。The purpose of the present invention is to solve the defects and deficiencies of the current domestic existing technologies and design principles in this field. The present invention provides an ion receiving device. Since a plurality of small holes are opened on the receiving electrode plate, the airflow flows through , which is equivalent to dividing one pole piece into several small pole pieces, so that the air flow becomes relatively stable after passing through the receiving pole piece.
本发明的目的是通过以下技术方案来实现，一种离子接收装置，该离子接收装置包括金属极片1、绝缘层2、金属屏蔽层3，其特征在于：所述的金属极片1上开设孔，金属极片1外侧与绝缘层2衔接，绝缘层2外侧设置金属屏蔽层3；The object of the present invention is achieved through the following technical solutions, an ion receiving device, which includes a metal pole piece 1, an insulating layer 2, and a metal shielding layer 3, and is characterized in that: the metal pole piece 1 is provided with hole, the outer side of the metal pole piece 1 is connected with the insulating layer 2, and the outer side of the insulating layer 2 is provided with a metal shielding layer 3;
所述的金属极片1为圆形或多边形，金属极片1上的孔可为圆形或多边形；The metal pole piece 1 is circular or polygonal, and the holes on the metal pole piece 1 can be circular or polygonal;
所述的金属极片1上的孔的个数为1个以上；The number of holes on the metal pole piece 1 is more than one;
所述的金属极片1开孔极片的数量为1片或2片以上。The number of perforated pole pieces of the metal pole piece 1 is 1 piece or more than 2 pieces.
所述的开设孔的金属极片1当为2层以上时，相邻两层孔的中心可完全相对，且孔完全相对，也可以偏离中心，孔仍保持部分相通。When the metal pole piece 1 with holes has more than 2 layers, the centers of the holes of two adjacent layers can be completely opposite, and the holes can be completely opposite, or they can be deviated from the center, and the holes still remain partially connected.
本发明特点和有益效果为：本发明在接收极板上开多个小孔，气流从孔流过，可在气流场内离子的接收，克服目前用一个金属片接收离子，气流从金属片侧壁流过，造成气流不稳定的现象，将一个极片分为若干个小的极片，使得气流流过接收极片后气流变的相对平稳，具有结构简单、气流平稳、离子接收效率高的特点。The characteristics and beneficial effects of the present invention are: the present invention opens a plurality of small holes on the receiving plate, and the airflow flows through the holes, so that the ions can be received in the airflow field, which overcomes the current use of a metal sheet to receive ions, and the airflow flows from the side of the metal sheet The wall flows through, resulting in the phenomenon of unstable air flow. A pole piece is divided into several small pole pieces, so that the airflow becomes relatively stable after the airflow flows through the receiving pole piece. It has the advantages of simple structure, stable airflow and high ion receiving efficiency. features.
附图说明Description of drawings
图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
具体实施方式detailed description
下面结合附图对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings.
该离子接收装置包括金属极片1、绝缘层2、金属屏蔽层3，其特征在于：所述的金属极片1上开设孔，金属极片1外侧与绝缘层2衔接，绝缘层2外侧设置金属屏蔽层3；The ion receiving device includes a metal pole piece 1, an insulating layer 2, and a metal shielding layer 3, and is characterized in that: the metal pole piece 1 is provided with a hole, the outer side of the metal pole piece 1 is connected with the insulating layer 2, and the outer side of the insulating layer 2 is arranged Metal shielding layer 3;
所述的金属极片1为圆形或方形或三角形或其它多边形，金属极片1上的孔可为圆形或方形或三角形或其它多边形；The metal pole piece 1 is circular or square or triangular or other polygonal, and the holes on the metal pole piece 1 can be circular or square or triangular or other polygonal;
所述的金属极片1上的孔的个数为1个以上；The number of holes on the metal pole piece 1 is more than one;
所述的金属极片1开孔极片的数量为1片或2片以上。The number of perforated pole pieces of the metal pole piece 1 is 1 piece or more than 2 pieces.
所述的开设孔的金属极片1当为2层以上时，相邻两层孔的中心可完全相对，且孔完全相对，也可以偏离中心，孔仍保持部分相通。When the metal pole piece 1 with holes has more than 2 layers, the centers of the holes of two adjacent layers can be completely opposite, and the holes can be completely opposite, or they can be deviated from the center, and the holes still remain partially connected.
所述的绝缘层2外部有一层金属屏蔽3，是隔离高压对离子接收器的干扰。There is a layer of metal shielding 3 outside the insulating layer 2, which is to isolate the interference of high voltage to the ion receiver.
另外，本发明并不意味着被示意图及说明书所局限，在没有脱离设计宗旨及其原理的前提下可以有所变化。In addition, the present invention is not meant to be limited by the schematic diagrams and descriptions, and can be changed without departing from the purpose and principle of the design.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515878.XA CN102983053B (en) | 2012-11-27 | 2012-11-27 | A kind of ion reception device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210515878.XA CN102983053B (en) | 2012-11-27 | 2012-11-27 | A kind of ion reception device |
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| CN102983053A CN102983053A (en) | 2013-03-20 |
| CN102983053B true CN102983053B (en) | 2017-05-31 |
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| CN201210515878.XA Active CN102983053B (en) | 2012-11-27 | 2012-11-27 | A kind of ion reception device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107275180B (en) * | 2017-06-29 | 2019-07-12 | 哈尔滨工业大学（威海） | ion receiver |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315076A (en) * | 2010-07-05 | 2012-01-11 | 同方威视技术股份有限公司 | Ionic migration tube |
| CN102522309A (en) * | 2009-06-30 | 2012-06-27 | 同方威视技术股份有限公司 | Ion collection device of ion mobility spectrometer and ion mobility spectrometer |
| CN202373551U (en) * | 2011-12-19 | 2012-08-08 | 中国科学院大连化学物理研究所 | Ion receiving device used for ion mobility spectrometry |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2094375A4 (en) * | 2006-11-28 | 2011-12-14 | Excellims Corp | Practical ion mobility spectrometer apparatus and methods for chemical and/or biological detection |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522309A (en) * | 2009-06-30 | 2012-06-27 | 同方威视技术股份有限公司 | Ion collection device of ion mobility spectrometer and ion mobility spectrometer |
| CN102315076A (en) * | 2010-07-05 | 2012-01-11 | 同方威视技术股份有限公司 | Ionic migration tube |
| CN202373551U (en) * | 2011-12-19 | 2012-08-08 | 中国科学院大连化学物理研究所 | Ion receiving device used for ion mobility spectrometry |
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