CN220341165U - Portable time-of-flight mass spectrometer with detachable structure - Google Patents
Portable time-of-flight mass spectrometer with detachable structure Download PDFInfo
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- CN220341165U CN220341165U CN202321352984.0U CN202321352984U CN220341165U CN 220341165 U CN220341165 U CN 220341165U CN 202321352984 U CN202321352984 U CN 202321352984U CN 220341165 U CN220341165 U CN 220341165U
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- flange seat
- mass spectrometer
- upper flange
- lower flange
- flight mass
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- 238000001819 mass spectrum Methods 0.000 claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 229920001973 fluoroelastomer Polymers 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 230000009286 beneficial effect 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
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001872 inorganic gas Inorganic materials 0.000 description 1
- 238000005040 ion trap Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model discloses a portable time-of-flight mass spectrometer with a detachable structure, which comprises: a main body unit, comprising: the device comprises a mass spectrometer body, a mass spectrum cavity arranged on the inner side of the mass spectrometer body, and an ionization cavity arranged on one side of the mass spectrum cavity, wherein a molecular pump and a diaphragm pump are further arranged on the inner side of the mass spectrometer body, and the molecular pump is arranged under the mass spectrum cavity; a detachable unit, comprising: the mass spectrometer comprises a flight time mass analyzer and an upper flange seat fixedly arranged at the bottom side of the flight time mass analyzer, wherein a lower flange seat in butt joint fit connection with the upper flange seat is fixedly connected above the mass spectrum cavity. According to the utility model, the plum blossom-shaped knobs are arranged, so that the plum blossom-shaped knobs can be directly screwed out from the outside, then the lower flange seat and the upper flange seat can be detached and quickly separated, and the positioning rod with a specific angle is arranged at the bottom end of the upper flange seat, so that the installation error of the flight time mass analyzer is avoided.
Description
Technical Field
The utility model relates to the technical field of mass spectrometers, in particular to a portable time-of-flight mass spectrometer with a detachable structure.
Background
The portable mass spectrometer is an analytical instrument widely applied to the field of environmental monitoring, can rapidly move in an outdoor field or an emergency accident, and realizes continuous on-line monitoring of volatile and semi-volatile organic compounds and inorganic gases in an on-site environment. The portable mass spectrometer generally adopts quadrupole rods or ion traps as mass analyzers, and has the advantages of simple structure, portability, compactness and portability; the method has the defects that the mass resolution of the two is low, the scanning speed is low, and quick and high-resolution analysis cannot be carried out on some objects to be detected with approximate mass numbers.
A time-of-flight mass analyzer is one that has a high mass resolution and a fast sampling rate. However, due to the fact that the flight time mass analyzer is long, once the flight time mass analyzer is installed, the flight time mass analyzer cannot be freely detached, the integrated structure occupies large space, and the integrated structure is inconvenient to carry, so that the integrated structure is difficult to use in the field or on specific occasions.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-mentioned problems occurring in the prior art.
In order to solve the technical problems, the utility model provides the following technical scheme:
a portable time-of-flight mass spectrometer of detachable construction, comprising:
a main body unit, comprising: the device comprises a mass spectrometer body, a mass spectrum cavity arranged on the inner side of the mass spectrometer body and an ionization cavity arranged on one side of the mass spectrum cavity, wherein a molecular pump and a diaphragm pump are further arranged on the inner side of the mass spectrometer body, the molecular pump is arranged right below the mass spectrum cavity, the diaphragm pump is arranged at a front stage of the molecular pump, and the diaphragm pump, the molecular pump and the mass spectrum cavity are distributed in vacuum tandem;
a detachable unit, comprising: the flight time mass analyzer is fixedly arranged on the upper flange seat at the bottom side of the flight time mass analyzer;
the upper part of the mass spectrum cavity is fixedly connected with a lower flange seat which is in butt fit connection with the upper flange seat, and the lower flange seat and the upper flange seat are fixedly and hermetically connected through a plurality of plum blossom-shaped knobs.
As a preferred embodiment of the portable time-of-flight mass spectrometer of the detachable structure according to the present utility model, wherein: the fool-proof mechanism is arranged between the upper flange seat and the lower flange seat, and comprises: the positioning rod is fixedly arranged at the bottom side of the upper flange seat, and a positioning hole for being in butt joint fit with the positioning rod is formed in the lower flange seat.
As a preferred embodiment of the portable time-of-flight mass spectrometer of the detachable structure according to the present utility model, wherein: the inner side of the lower flange seat is provided with an annular groove, a fluororubber sealing ring is arranged in the annular groove, and after the upper flange seat is in butt joint with the lower flange seat, the fluororubber sealing ring is pressed to the annular groove, and the cross section of the annular groove is trapezoid.
As a preferred embodiment of the portable time-of-flight mass spectrometer of the detachable structure according to the present utility model, wherein: the bottom side of the upper flange seat is also provided with a plurality of power receiving interface structures, and the lower flange seat is provided with a plurality of power transmission interface structures matched with the power receiving interface structures;
wherein, the power receiving interface structure includes: the utility model provides a fixed connection receives electric needle backing plate, with receiving electric needle backing plate fixed connection's electric needle fixed plate and fixed connection's gilt contact pin on receiving electric needle fixed plate in last flange seat inboard, send electric interface structure includes: the power supply jack base plate is fixedly arranged on the lower flange seat, the power supply jack fixing plate is fixedly arranged on the power supply jack base plate, and the gold-plated power supply jack is arranged on the inner side of the power supply jack fixing plate.
As a preferred embodiment of the portable time-of-flight mass spectrometer of the detachable structure according to the present utility model, wherein: the number of the plum blossom-shaped knobs is not less than four, and a plurality of the plum blossom-shaped knobs are distributed in an annular uniform array.
As a preferred embodiment of the portable time-of-flight mass spectrometer of the detachable structure according to the present utility model, wherein: the included angle of the connecting line between the circle centers of the two positioning rods and the circle center of the upper flange seat is 60-160 degrees.
The utility model has the beneficial effects that:
through the arrangement of the plum blossom-shaped knobs, the plum blossom-shaped knobs can be directly screwed out from the outside, and then the detachable and rapid separation of the lower flange seat and the upper flange seat is realized, so that the mass spectrometer is stored in two parts, the whole occupied space is reduced, and the portability is improved;
when the installation is used, through the locating lever of setting up specific angle in the bottom of last flange seat for time of flight mass analyser can only lay according to specific angle, make time of flight mass analyser put accurate location reliable, avoid the staff installation mistake, and after laying the completion, receive electric interface structure automatic butt joint to the power transmission interface structure of reservation in, need not to carry out extra wiring power supply, install swift location reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of the working state of a portable time-of-flight mass spectrometer with a detachable structure and an installation and detachment method thereof;
FIG. 2 is a schematic diagram showing the distribution of the inside of a side of a portable time-of-flight mass spectrometer with a detachable structure and a method for installing and detaching the portable time-of-flight mass spectrometer;
FIG. 3 is a schematic diagram of a portable time-of-flight mass spectrometer with a detachable structure and a method for assembling and disassembling the portable time-of-flight mass spectrometer;
FIG. 4 is a schematic view of the bottom structure of the upper flange;
fig. 5 is a schematic cross-sectional view of a power transmitting interface structure and a power receiving interface structure.
In the figure: 100-main body unit, 101-mass spectrometer body, 102-mass spectrum cavity, 103-ionization cavity, 104-molecular pump, 105-diaphragm pump, 106-lower flange seat, 107-fluororubber sealing ring, 108-locating hole, 109-power transmission interface structure, 110-power supply jack backing plate, 111-power supply jack fixing plate, 112-gold-plated power supply jack, 200-detachable unit, 201-time-of-flight mass analyzer, 202-upper flange seat, 203-plum blossom type knob, 204-power receiving interface structure, 205-locating rod, 206-power receiving needle backing plate, 207-power receiving needle fixing plate and 208-gold-plated contact pin.
Description of the embodiments
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Referring to fig. 1-5, for one embodiment of the present utility model, there is provided a portable time-of-flight mass spectrometer of detachable construction and a method of installing and detaching the same, the mass spectrometer comprising: the main body unit 100 and the detachable unit 200.
Wherein the main body unit 100 includes: the mass spectrometer comprises a mass spectrometer body 101, a mass spectrum cavity 102 arranged on the inner side of the mass spectrometer body 101 and an ionization cavity 103 arranged on one side of the mass spectrum cavity 102, wherein a molecular pump 104 and a diaphragm pump 106 are further arranged on the inner side of the mass spectrometer body 101, the molecular pump 104 is arranged under the mass spectrum cavity 102, and the diaphragm pump 106 is arranged in front of the molecular pump 104. The diaphragm pump 105, the molecular pump 104 and the mass spectrum cavity 102 are distributed in vacuum series;
and the detachable unit 200 includes: a time-of-flight mass analyzer 201, and an upper flange seat 202 fixedly arranged on the bottom side of the time-of-flight mass analyzer 201.
Wherein, the top fixedly connected with of mass spectrum chamber 102 is with last flange seat 202 butt joint cooperation lower flange seat 106 of being connected, and lower flange seat 106 carries out fixed connection through a plurality of plum blossom type knobs 203 with last flange seat 202, and the quantity of plum blossom type knobs 203 is not less than four, and a plurality of plum blossom type knobs 203 are annular even array distribution, the staff of being convenient for is rotatory split work in the outside, is provided with foolproof mechanism between last flange seat 202 and the lower flange seat 106 specifically, and foolproof structure includes: the positioning rods 205 are fixedly arranged at the bottom side of the upper flange seat 202, the positioning holes 108 for butt-joint fit with the positioning rods 205 are formed in the lower flange seat 106, the included angle between the connecting lines between the circle centers of the two positioning rods 205 and the circle center of the upper flange seat 202 is 60-160 degrees, and after the positioning rods 205 are inserted into the positioning holes 108, the time-of-flight mass analyzer 201 is placed accurately and reliably, so that the installation errors of workers are avoided.
In addition, the annular groove is formed in the inner side of the lower flange seat 106, the fluororubber sealing ring 107 is arranged in the annular groove, after the upper flange seat 202 is in butt fit with the lower flange seat 106, the fluororubber sealing ring 107 is pressed to the annular groove, the cross section of the annular groove is trapezoid, and after the upper flange seat 202 is pressed to the lower flange seat 106, the fluororubber sealing ring 107 is pressed into the trapezoid groove, so that falling is avoided.
Furthermore, the bottom side of the upper flange seat 202 is further provided with a plurality of power receiving interface structures 204, the lower flange seat 106 is provided with a plurality of power transmitting interface structures 109 matched with the power receiving interface structures 204, after the two structures are matched in a contact manner, the conduction of current can be realized, the flying time mass analyzer 201 is internally provided with a plurality of paths of direct current high voltage power supply, and the flying direction of charged particles is changed, specifically, the power receiving interface structures 204 comprise: the power transmission interface structure 109 includes: the power supply jack backing plate 110 fixedly arranged on the lower flange seat 106, the power supply jack fixing plate 111 fixedly arranged on the power supply jack backing plate 110, and the gold plating power supply jack 112 arranged on the inner side of the power supply jack fixing plate 111, wherein the gold plating power supply jack 112 and the gold plating contact pin 208 are electrically connected with a wire, and the power receiving needle backing plate 206, the power receiving needle fixing plate 207, the power supply jack backing plate 110 and the power supply jack fixing plate 111 are made of PEEK materials.
It should be noted that, when the time-of-flight mass analyzer 201 is removed, the openings of the upper flange base 105 and the lower flange base 106 may be sealed and blocked by an external sealing plate, so as to avoid dust entering.
The installation and disassembly method of the portable flight time mass spectrometer with the detachable structure comprises the following steps: when the device is disassembled, the device can be directly unscrewed outside by arranging the plum blossom-shaped knobs 203, and then the detachable quick separation of the lower flange seat 106 and the upper flange seat 202 is realized, so that the mass spectrometer is divided into two parts for storage, the whole occupied space is reduced, portability is increased, when the device is required to be used and installed, the time-of-flight mass analyzer 201 can be placed only according to a specific angle by arranging the positioning rod 205 with a specific angle at the bottom end of the upper flange seat 202, the error in azimuth placement of the time-of-flight mass analyzer 201 is avoided, and after the placement is finished, the power receiving interface structure 204 is automatically butted into the reserved power transmission interface structure 109, namely the gold plating contact pin 208 at the inner side of the power receiving interface structure 204 is correspondingly inserted into the gold plating power supply jack 112 at the inner side of the power transmission interface structure 109, so that the quick power supply requirement of the time-of-flight mass analyzer 201 is realized, extra wiring power supply is not needed, and the wireless path is pulled, and the device is quite quick and convenient.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (5)
1. A portable time-of-flight mass spectrometer of detachable construction, comprising:
a main body unit (100) comprising: the device comprises a mass spectrometer body (101), a mass spectrum cavity (102) arranged on the inner side of the mass spectrometer body (101) and an ionization cavity (103) arranged on one side of the mass spectrum cavity (102), wherein a molecular pump (104) and a diaphragm pump (105) are further arranged on the inner side of the mass spectrometer body (101), and the molecular pump (104) is arranged under the mass spectrum cavity (102);
a detachable unit (200), comprising: the device comprises a time-of-flight mass analyzer (201) and an upper flange seat (202) fixedly arranged on the bottom side of the time-of-flight mass analyzer (201);
the upper part of the mass spectrum cavity (102) is fixedly connected with a lower flange seat (106) which is in butt joint fit connection with an upper flange seat (202), and the lower flange seat (106) and the upper flange seat (202) are fixedly and hermetically connected through a plurality of plum blossom-shaped knobs (203).
2. A portable time-of-flight mass spectrometer of a detachable construction according to claim 1, wherein: a fool-proof mechanism is arranged between the upper flange seat (202) and the lower flange seat (106), and the fool-proof mechanism comprises: the positioning rod (205) is fixedly arranged at the bottom side of the upper flange seat (202), and the lower flange seat (106) is provided with a positioning hole (108) for being in butt joint with the positioning rod (205).
3. A portable time-of-flight mass spectrometer of a detachable construction according to claim 1, wherein: an annular groove is formed in the inner side of the lower flange seat (106), a fluororubber sealing ring (107) is arranged in the annular groove, and after the upper flange seat (202) is in butt fit with the lower flange seat (106), the fluororubber sealing ring (107) is pressed to the annular groove, and the cross section of the annular groove is trapezoid.
4. A portable time-of-flight mass spectrometer of a detachable construction according to claim 1, wherein: the bottom side of the upper flange seat (202) is also provided with a plurality of power receiving interface structures (204), and the lower flange seat (106) is provided with a plurality of power transmission interface structures (109) matched with the power receiving interface structures (204);
wherein the power receiving interface structure (204) comprises: the utility model provides a power transmission interface structure (109) includes: the power supply jack base plate (110) is fixedly arranged on the lower flange seat (106), the power supply jack fixing plate (111) is fixedly arranged on the power supply jack base plate (110), and the gold-plated power supply jack (112) is arranged on the inner side of the power supply jack fixing plate (111).
5. A portable time-of-flight mass spectrometer of a detachable construction according to claim 1, wherein: the number of the plum blossom-shaped knobs (203) is not less than four, and a plurality of the plum blossom-shaped knobs (203) are distributed in a ring-shaped uniform array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352984.0U CN220341165U (en) | 2023-05-31 | 2023-05-31 | Portable time-of-flight mass spectrometer with detachable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352984.0U CN220341165U (en) | 2023-05-31 | 2023-05-31 | Portable time-of-flight mass spectrometer with detachable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220341165U true CN220341165U (en) | 2024-01-12 |
Family
ID=89444817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321352984.0U Active CN220341165U (en) | 2023-05-31 | 2023-05-31 | Portable time-of-flight mass spectrometer with detachable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220341165U (en) |
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2023
- 2023-05-31 CN CN202321352984.0U patent/CN220341165U/en active Active
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