CN214542124U - Sample introduction device of mass spectrometer - Google Patents

Abstract

The utility model discloses a sampling device of mass spectrometer, including sampling device main part, filter and pneumatic pump an, the spout has been seted up to the both sides inside of sampling device main part, the filter is installed through the spout gomphosis to the sampling device main part, one side outer wall of sampling device main part has pneumatic pump case an through the bolt fastening, pneumatic pump case an's inside has pneumatic pump an through the bolt fastening, pneumatic pump case b's inside has pneumatic pump b through the bolt fastening, the bottom of sampling device main part is run through and is installed the pipe, the one end fixedly connected with ion source interface of pipe. The utility model discloses a slider is installed to the outer wall of filter, slides in the spout is inside through the slider, and the staff of being convenient for can follow taking out of filter with the active carbon filter layer through opening the apron with the filter dismouting, washs, prevents that the filterable impurity of active carbon filter layer from leading to the device to use the result error that obtains.

Description

Sample introduction device of mass spectrometer

Technical Field

The utility model relates to a mass spectrograph technical field specifically is a sampling device of mass spectrograph.

Background

The gas chromatograph is mainly constructed by six kinds of equipment, which are respectively: the sample injection system is applied to the chromatography, and gas or liquid samples are uniformly and quantitatively added to the upper end of the chromatographic column, so that the separation efficiency of the chromatography and the accuracy and precision of a quantitative result are influenced by the sample injection amount, the sample injection time, the sample vaporization speed and the concentration.

The sample injection device in the prior art has the defects that:

1. in the prior art, after the sampling device is used, workers are inconvenient to disassemble and clean the filtering device, so that the workload of the workers is increased, and the working efficiency of the workers is reduced;

2. the sampling device can not effectively guarantee the vacuum inside the sampling device when in use in the prior art, thereby reducing the efficiency of the sampling device when in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sampling device of mass spectrometer to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme, a sampling device of mass spectrometer, including sampling device main part, filter and pneumatic pump an, the spout has been seted up to the both sides inside of sampling device main part, the filter is installed through the spout gomphosis to the sampling device main part, one side outer wall of sampling device main part has pneumatic pump case an through the bolt fastening, pneumatic pump case an's inside has pneumatic pump an through the bolt fastening, the opposite side outer wall of sampling device main part has pneumatic pump case b through the bolt fastening, pneumatic pump case b's inside has pneumatic pump b through the bolt fastening, the bottom of sampling device main part is run through and is installed the pipe, the one end fixedly connected with ion source interface of pipe.

Preferably, the sealed lid of roof fixedly connected with of sampling device main part, the inside packing of inner wall of sampling device main part has thermal insulation material, and the introduction port is installed to the roof of sealed lid, and the valve is installed to the outer wall of introduction port, the internally mounted of sampling device main part has the air chamber of depositing, and the inside of depositing the air chamber is fixed with the heater strip through the bolt.

Preferably, the top of filter is installed the apron, and the filter screen is installed at the top of apron, and the internally mounted of filter has the active carbon filter layer, and the slider is installed to the outer wall of filter.

Preferably, an exhaust tube a is installed at one end of the pneumatic pump a, the exhaust tube a penetrates through the pneumatic pump box a and is connected with the ion source interface, and an exhaust tube a is installed at the other end of the pneumatic pump a.

Preferably, an air exhaust pipe b is mounted at one end of the pneumatic pump b, and an air exhaust pipe b is mounted at the other end of the pneumatic pump b.

Preferably, the molecular leak hole is installed to the inside one end that is located the sampling device main part of pipe, and the sealing strip is installed to the inside one end outer wall that is located the sampling device main part of pipe, and the sealing strip is located one side of molecular leak hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a slider is installed to the outer wall of filter, through the slider in the inside slip of spout, the staff of being convenient for with the filter dismouting, can follow taking out of filter with the active carbon filter layer through opening the apron, wash, prevent that the filterable impurity of active carbon filter layer from leading to the device to use the result error that obtains, can filter the inside air that gets into deposit the air chamber through filter screen and active carbon filter layer, prevent that impurity in the air from leading to the device to use the result error that obtains.

2. The utility model discloses a pneumatic pump a moves and will deposit the inside air in air chamber out through exhaust tube an, rethread blast pipe an is with air escape, thereby make and deposit the inside vacuum in air chamber, through making and deposit the inside vacuum in air chamber, efficiency when improving sampling device and using, can take out the inside air of ion source interface through exhaust tube b when moving through pneumatic pump b, discharge the air through blast pipe b, thereby make the inside vacuum of ion source interface, through making the inside vacuum of ion source interface, efficiency when improving sampling device and using.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the filter of the present invention;

FIG. 3 is a schematic view of the top structure of the main body of the sample injection device of the present invention;

fig. 4 is a schematic structural diagram of a position a of the present invention.

In the figure: 1. a sample introduction device body; 101. a thermal insulation material; 102. a sealing cover; 103. a sample inlet; 104. a valve; 105. an air storage chamber; 106. heating wires; 107. a chute; 2. a filter; 201. a cover plate; 202. filtering with a screen; 203. an activated carbon filter layer; 204. a slider; 3. a pneumatic pump a; 301. an air pressure pump box a; 302. an air exhaust pipe a; 303. an exhaust pipe a; 4. a pneumatic pump b; 401. an air pressure pump box b; 402. an air exhaust pipe b; 403. an exhaust pipe b; 5. a conduit; 501. an ion source interface; 502. a molecular leak; 503. a sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

Referring to fig. 1-4, an embodiment of the present invention provides a sample introduction device for a mass spectrometer, including a sample introduction device main body 1, a filter 2, and a pneumatic pump a3, wherein two sides of the sample introduction device main body 1 are provided with a sliding slot 107, the sliding slot 107 slides inside the sliding slot 107 via a sliding block 204, so as to facilitate a worker to disassemble and assemble the filter 2, the filter 2 is installed on the sample introduction device main body 1 via the sliding slot 107, the air entering the air storage chamber 105 can be filtered via the filter 2, thereby preventing impurities in the air from causing errors in the result obtained by using the device, an outer wall of one side of the sample introduction device main body 1 is fixed with a pneumatic pump box a301 via bolts, the pneumatic pump box a301 can fix a pneumatic pump a3 to ensure the stability of the pneumatic pump a3, the pneumatic pump a3 is fixed with a pneumatic pump a3 via bolts inside the pneumatic pump a3, the air inside the air storage chamber 105 is pumped out via an exhaust tube a302 during operation, the air is exhausted through an exhaust pipe a303, so that the inside of the air storage chamber 105 is vacuumized, the use efficiency of the sampling device is improved, an air pressure pump box b401 is fixed on the outer wall of the other side of the sampling device body 1 through bolts, the air pressure pump box b4 can be fixed by the air pressure pump box b401, the stability of an air pressure pump b4 is guaranteed, the air pressure pump b4 is fixed in the air pressure pump box b401 through bolts, the air inside the ion source interface 501 can be pumped out through an exhaust pipe b402 during the operation of the air pressure pump b4, the air is exhausted through an exhaust pipe b403, so that the inside of the ion source interface 501 is vacuumized, the use efficiency of the sampling device is improved through the inside of the ion source interface 501, a guide pipe 5 is installed at the bottom of the sampling device body 1 in a penetrating manner, an ion source interface 501 is fixedly connected with one end of the guide pipe 5, and molecules enter the inside of the ion source interface 501 through the guide pipe 5, send into the inside of mass spectrograph with the sample through ion source interface 501, guarantee that the mass spectrograph can normal operating.

Further, the sealed lid 102 of the roof fixedly connected with of sampling device main part 1, sealed lid 102 can cover the roof of sampling device main part 1, guarantee the leakproofness of sampling device main part 1, the inside packing of the inner wall of sampling device main part 1 has thermal insulation material 101, can prevent through thermal insulation material 101 that the inside heat of gas chamber 105 from leaking, guarantee to deposit the heat stability of gas chamber 105 inside, sample inlet 103 is installed to the roof of sealed lid 102, valve 104 is installed to the outer wall of sample inlet 103, air sample material gets into the inside of depositing gas chamber 105 through sample inlet 103, through the switch of the steerable sample inlet 103 of valve 104, the internally mounted of sampling device main part 1 has gas chamber 105, the inside of gas chamber 105 has heater strip 106 through the bolt fastening, can heat gas chamber 105 through heater strip 106, guarantee the operation that sampling device can be normal.

Further, apron 201 is installed at the top of filter 2, filter screen 202 is installed at the top of apron 201, the internally mounted of filter 2 has activated carbon filter layer 203, slider 204 is installed to the outer wall of filter 2, slide in spout 107 through slider 204, the staff of being convenient for is with filter 2 dismouting, can follow taking out of filter 2 with activated carbon filter layer 203 through opening apron 201, wash, prevent that the filterable impurity of activated carbon filter layer 203 from leading to the device to use the result error that obtains, can filter the air that gets into the inside of air storage chamber 105 through filter screen 202 and activated carbon filter layer 203, prevent that impurity in the air from leading to the device to use the result error that obtains.

Further, an exhaust tube a302 is installed at one end of the pneumatic pump a3, the exhaust tube a302 penetrates through the pneumatic pump box a301 to be connected with the ion source interface 501, an exhaust tube a303 is installed at the other end of the pneumatic pump a3, when the pneumatic pump a3 operates, air in the air storage chamber 105 is exhausted through the exhaust tube a302 and then exhausted through the exhaust tube a303, so that the inside of the air storage chamber 105 is vacuumed, and the inside of the air storage chamber 105 is vacuumed, thereby improving the efficiency of the sample injection device when in use.

Furthermore, an exhaust tube b402 is installed at one end of the pneumatic pump b4, an exhaust tube b403 is installed at the other end of the pneumatic pump b4, and when the pneumatic pump b4 operates, air inside the ion source interface 501 can be exhausted through the exhaust tube b402 and the exhaust tube b403, so that the inside of the ion source interface 501 is vacuumed, and the inside of the ion source interface 501 is vacuumed, thereby improving the efficiency of the sampling device during use.

Further, the molecule small opening 502 is installed to the inside one end that is located sampling device main part 1 of pipe 5, sealing strip 503 is installed to the inside one end outer wall that is located sampling device main part 1 of pipe 5, sealing strip 503 is located one side of molecule small opening 502, the inside sample material of gas storage chamber 105 passes through molecule small opening 502 and gets into ion source interface 501, send into the inside of mass spectrograph with the sample material through ion source interface 501, guarantee the mass spectrograph can normal operating, guarantee the leakproofness that pipe 5 and gas storage chamber 105 are connected through sealing strip 503, prevent the inside gas leakage of gas storage chamber 105, lead to the inside unable vacuum of gas storage chamber 105.

The working principle is that a sliding block 204 is installed on the outer wall of the filter 2, the sliding block 204 slides in the sliding groove 107, the filter 2 can be conveniently disassembled and assembled by a worker, the active carbon filtering layer 203 can be taken out of the filter 2 by opening the cover plate 201 and cleaned, the error of the result obtained by using the device caused by impurities filtered by the active carbon filtering layer 203 is prevented, air entering the air storage chamber 105 can be filtered by the filter screen 202 and the active carbon filtering layer 203, the error of the result obtained by using the device caused by impurities in the air is prevented, the air in the air storage chamber 105 is pumped out by the air suction pipe a302 when the air pressure pump a3 runs, the air is exhausted by the air exhaust pipe a303, the air in the air storage chamber 105 is vacuumized, the efficiency of the sampling device when the sampling device is used is improved by vacuumizing the air in the air storage chamber 105, the air source in the sampling port 501 can be pumped out by the air suction pipe b402 when the air pressure pump b4 runs, air is discharged through the exhaust pipe b403, so that the interior of the ion source interface 501 is vacuum, the efficiency of the sampling device during use is improved by enabling the interior of the ion source interface 501 to be vacuum, molecules enter the ion source interface 501 through the guide pipe 5, and the sample is sent into the mass spectrometer through the ion source interface 501, so that the mass spectrometer can normally operate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a sampling device of mass spectrometer, includes sampling device main part (1), filter (2) and pneumatic pump a (3), its characterized in that: the utility model discloses a filter, including sampling device main part (1), spout (107) have been seted up to both sides inside, filter (2) are installed through spout (107) gomphosis in sampling device main part (1), one side outer wall of sampling device main part (1) has air pressure pump case an (301) through the bolt fastening, the inside of air pressure pump case an (301) has air pressure pump a (3) through the bolt fastening, the opposite side outer wall of sampling device main part (1) has air pressure pump case b (401) through the bolt fastening, the inside of air pressure pump case b (401) has air pressure pump b (4) through the bolt fastening, the bottom of sampling device main part (1) is run through and is installed pipe (5), the one end fixedly connected with ion source interface (501) of pipe (5).

2. The sample introduction device of a mass spectrometer of claim 1, wherein: the top wall fixedly connected with of sampling device main part (1) seals lid (102), and the inside packing of the inner wall of sampling device main part (1) has thermal insulation material (101), and sample inlet (103) are installed to the top wall of sealed lid (102), and valve (104) are installed to the outer wall of sample inlet (103), the internally mounted of sampling device main part (1) has air storage chamber (105), and the inside of air storage chamber (105) is fixed with heater strip (106) through the bolt.

3. The sample introduction device of a mass spectrometer of claim 1, wherein: the top of filter (2) is installed apron (201), and filter screen (202) are installed at the top of apron (201), and the internally mounted of filter (2) has active carbon filter layer (203), and slider (204) are installed to the outer wall of filter (2).

4. The sample introduction device of a mass spectrometer of claim 1, wherein: an air extraction pipe a (302) is installed at one end of the air pressure pump a (3), the air extraction pipe a (302) penetrates through the air pressure pump box a (301) to be connected with the ion source interface (501), and an exhaust pipe a (303) is installed at the other end of the air pressure pump a (3).

5. The sample introduction device of a mass spectrometer of claim 1, wherein: and an air exhaust pipe b (402) is installed at one end of the pneumatic pump b (4), and an exhaust pipe b (403) is installed at the other end of the pneumatic pump b (4).

6. The sample introduction device of a mass spectrometer of claim 1, wherein: the molecular leak hole (502) is installed to the one end that is located sampling device main part (1) inside of pipe (5), and sealing strip (503) is installed to the one end outer wall that is located sampling device main part (1) inside of pipe (5), and sealing strip (503) are located one side of molecular leak hole (502).

Images