CN215218703U

CN215218703U - Automatic sample introduction gas chromatograph-mass spectrometer

Info

Publication number: CN215218703U
Application number: CN202121521896.XU
Authority: CN
Inventors: 杨利娟; 姜瑞; 刘晓芬; 李秀丽
Original assignee: Ningxia Zhilian Institution Of Testing Science And Technology Ltd
Current assignee: Ningxia Zhilian Institution Of Testing Science And Technology Ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-17
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses an automatic gas chromatograph-mass spectrometer of appearance advances, including organism, gas chromatograph-mass spectrometer body, detection room, annotate liquid and lead to groove and control panel, the inside one side of organism is equipped with the detection room, and the inside liquid that is equipped with of organism of detection room one side leads to the groove, annotates the one end that the liquid leads to the groove and extends to the inside of detection room to annotate the inside one side of liquid and be equipped with sampling mechanism, annotate the inside power cavity that is equipped with of organism that the liquid led to the groove below, and the central point department of putting of power cavity bottom installs gas chromatograph-mass spectrometer body, and the one end of gas-mass spectrometer body extends to the inside of detecting the room, one side on organism top is equipped with annotates the liquid mouth, and installs the check valve on the outer wall of annotating liquid mouth one end, is equipped with the fluid-discharge tube on the outer wall of organism one side. The utility model discloses not only reduced the intensity of labour of staff when gas chromatography-mass spectrometer uses, improved the stability when gas chromatography-mass spectrometer uses, improved the convenience when gas chromatography-mass spectrometer uses moreover.

Description

Automatic sample introduction gas chromatograph-mass spectrometer

Technical Field

The utility model relates to a allies oneself with appearance technical field specifically is an automatic gas chromatography-mass spectrometer of appearance of advancing.

Background

The gas chromatograph-mass spectrometer is an instrument which combines a gas chromatograph and a mass spectrometer, the mass spectrometer can carry out effective qualitative analysis, but the analysis of complex organic compounds is ineffective, and the chromatography is an effective separation and analysis method for organic compounds, is particularly suitable for carrying out quantitative analysis on organic compounds, but the qualitative analysis is difficult, so that the effective combination of the two methods can provide a high-efficiency qualitative and quantitative analysis tool for carrying out the complex organic compounds for chemists and biochemists.

The existing gas chromatograph-mass spectrometer in the market is various in types, can basically meet the use requirements of people, but still has certain defects, and has the following specific problems.

(1) The existing gas chromatograph-mass spectrometer is inconvenient for automatic sample introduction treatment, and corresponding operation is required to be carried out by workers by means of external tools, so that the labor intensity of the workers is enhanced;

(2) the existing gas chromatograph-mass spectrometer is inconvenient for anti-skid treatment, so that the phenomenon of slippage is easy to occur due to external factors, and the stability is general;

(3) the existing gas chromatograph-mass spectrometer is inconvenient for placing and processing a sample test tube, so that the sample test tube is inconvenient to carry and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an autoinjection's gas chromatograph-mass spectrometer to it is not convenient for autoinjection to handle, is not convenient for carry out anti-skidding processing and is not convenient for place the problem of handling to the sample test tube to provide gas chromatograph-mass spectrometer in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic sample injection gas chromatograph-mass spectrometer comprises a machine body, a gas chromatograph-mass spectrometer body, a detection chamber, a liquid injection through groove and a control panel, wherein the detection chamber is arranged on one side inside the machine body, the liquid injection through groove is arranged inside the machine body on one side of the detection chamber, one end of the liquid injection through groove extends into the detection chamber, a sample injection mechanism is arranged on one side inside the liquid injection through groove, a power cavity is arranged inside the machine body below the liquid injection through groove, the gas chromatograph-mass spectrometer body is arranged at the central position of the bottom of the power cavity, one end of the gas chromatograph-mass spectrometer body extends into the detection chamber, a liquid injection port is arranged on one side of the top end of the machine body, the bottom end of the liquid injection port extends into the liquid injection through groove, a one-way valve is arranged on the outer wall of one side of the machine body, a liquid discharge pipe is arranged on the outer wall of one side of the machine body, the top end of the liquid discharge pipe extends into the detection chamber, and a solenoid valve is arranged on the outer wall of one end of the liquid discharge pipe, and a control panel is arranged on the outer wall of one side of the machine body, which is far away from the liquid discharge pipe, and the output end of the singlechip in the control panel is electrically connected with the input end of the electromagnetic valve.

Preferably, the edge position department of organism bottom is fixed with square spacing frame, and the one end that square spacing frame kept away from the organism installs anti-skidding backing plate to carry out anti-skidding processing.

Preferably, the central point department of organism bottom is equipped with the screw connector, and the inside threaded connection of screw connector has a screwed joint, and screwed joint's bottom extends to the outside of screw connector and with the top fixed connection of non-slip backing plate to settle the processing to non-slip backing plate.

Preferably, the top end of the machine body on one side of the liquid injection port is provided with a I-shaped frame, the bottom of the I-shaped frame is provided with second through holes at equal intervals, the top of the I-shaped frame above the second through holes is provided with first through holes, and the top ends of the first through holes extend to the outside of the I-shaped frame so as to place and process the sample test tubes.

Preferably, the inside of advancing kind mechanism is equipped with electric telescopic handle, piston rod, reset spring, piston plate and locating plate in proper order, the one side of annotating the liquid and leading to the inslot portion is fixed with the locating plate, and the liquid of locating plate one side is annotated and is led to inslot portion and be equipped with the piston plate to carry out the autoinjection processing.

Preferably, the locating plate is kept away from and is installed electric telescopic handle on the logical inslot wall of notes liquid of piston board one side, and electric telescopic handle's one end installs the piston rod, the one end that electric telescopic handle was kept away from to the piston rod run through the locating plate and with the outer wall fixed connection of piston board to the locating plate has reset spring near the winding on the piston rod outer wall of piston board one side, reset spring's one end is connected with the outer wall of locating plate, reset spring's the other end is connected with the outer wall of piston board, so that drive the piston board and carry out the translation.

Compared with the prior art, the beneficial effects of the utility model are that: the automatic sample feeding gas chromatograph-mass spectrometer not only reduces the labor intensity of workers when the gas chromatograph-mass spectrometer is used, improves the stability of the gas chromatograph-mass spectrometer when the gas chromatograph-mass spectrometer is used, but also improves the convenience of the gas chromatograph-mass spectrometer when the gas chromatograph-mass spectrometer is used;

(1) by arranging the electric telescopic rod, the piston rod, the reset spring, the piston plate and the positioning plate, liquid in the sample test tube is injected into the liquid injection through the liquid injection port, the electric telescopic rod is controlled by the operation control panel at the moment, the piston plate is driven by the piston rod to be positioned in the liquid injection through groove to be translated, meanwhile, the positioning plate can limit the moving amplitude of the piston rod and is reset by the reset spring, so that the liquid in the liquid injection through groove is pushed into the detection chamber, the purpose of automatic sample injection is achieved, and the labor intensity of workers is reduced when the gas chromatograph-mass spectrometer is used;

(2) the anti-skid cushion plate is arranged at the bottom end of the square limiting frame, has good anti-skid performance, improves the anti-skid performance of the gas chromatograph-mass spectrometer, reduces the phenomenon of slippage caused by external factors and improves the stability of the gas chromatograph-mass spectrometer during use;

(3) through being provided with worker's type frame, first through-hole and second through-hole, run through first through-hole and insert the inside to the second through-hole through the bottom with the sample test tube for equidistant placing in the inboard of worker's type frame of sample test tube, in order to reach portable's purpose, thereby improved the convenience when gas chromatograph-mass spectrometer uses.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of a cross-sectional enlarged structure of the sample injection mechanism of the present invention;

fig. 3 is a schematic top view of the i-shaped rack according to the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the screw interface of the present invention.

In the figure: 1. a body; 2. a power cavity; 3. a gas chromatograph-mass spectrometer body; 4. a square limit frame; 5. an anti-skid backing plate; 6. a liquid discharge pipe; 7. an electromagnetic valve; 8. a detection chamber; 9. a liquid injection through groove; 10. a one-way valve; 11. a liquid injection port; 12. a jig frame; 13. a first through hole; 14. a second through hole; 15. a sample introduction mechanism; 1501. an electric telescopic rod; 1502. a piston rod; 1503. a return spring; 1504. a piston plate; 1505. positioning a plate; 16. a control panel; 17. a screw joint; 18. a screw interface.

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.

Referring to fig. 1-4, the present invention provides an embodiment: an automatic sample introduction gas chromatograph-mass spectrometer comprises a machine body 1, a gas chromatograph-mass spectrometer body 3, a detection chamber 8, a liquid injection through groove 9 and a control panel 16, wherein the detection chamber 8 is arranged on one side inside the machine body 1, the liquid injection through groove 9 is arranged inside the machine body 1 on one side of the detection chamber 8, one end of the liquid injection through groove 9 extends into the detection chamber 8, a square limiting frame 4 is fixed at the edge position of the bottom end of the machine body 1, and an anti-skid base plate 5 is installed at one end, far away from the machine body 1, of the square limiting frame 4 so as to perform anti-skid treatment;

a spiral connector 18 is arranged at the center of the bottom end of the machine body 1, a spiral connector 17 is connected to the inner thread of the spiral connector 18, and the bottom end of the spiral connector 17 extends to the outer part of the spiral connector 18 and is fixedly connected with the top end of the anti-skid base plate 5 so as to arrange the anti-skid base plate 5;

a sample injection mechanism 15 is arranged on one side inside the liquid injection through groove 9, an electric telescopic rod 1501, a piston rod 1502, a reset spring 1503, a piston plate 1504 and a positioning plate 1505 are sequentially arranged inside the sample injection mechanism 15, the positioning plate 1505 is fixed on one side inside the liquid injection through groove 9, the piston plate 1504 is arranged inside the liquid injection through groove 9 on one side of the positioning plate 1505, the electric telescopic rod 1501 is installed on the inner wall of the liquid injection through groove 9 on one side of the positioning plate 1505 away from the piston plate 1504, the electric telescopic rod 1501 can be ANT-26 in type, the input end of the electric telescopic rod 1501 is electrically connected with the output end of the single chip microcomputer inside the control panel 16, the piston rod 1502 is installed at one end of the electric telescopic rod 1501, one end of the piston rod 1502 far away from the electric telescopic rod 1501 penetrates through the positioning plate and is fixedly connected with the outer wall of the piston plate 1504, and the reset spring 1503 is wound on the outer wall of the piston rod 1502 on one side of the positioning plate 1505 close to the piston plate 1504, one end of a return spring 1503 is connected with the outer wall of the positioning plate 1505, and the other end of the return spring 1503 is connected with the outer wall of the piston plate 1504;

liquid in a sample test tube is injected into the liquid injection through the liquid injection port 11, at the moment, the control panel 16 is operated to control the electric telescopic rod 1501 to drive the piston plate 1504 to be positioned inside the liquid injection through groove 9 to translate through the piston rod 1502, meanwhile, the positioning plate 1505 can limit the moving amplitude of the piston rod 1502 and is reset through the reset spring 1503, so that the liquid in the liquid injection through groove 9 is pushed into the detection chamber 8, the purpose of automatic sample injection is achieved, and the labor intensity of workers during the use of the gas chromatograph-mass spectrometer is reduced;

a power cavity 2 is arranged in the machine body 1 below the liquid injection through groove 9, a gas chromatograph-mass spectrometer body 3 is arranged at the central position of the bottom of the power cavity 2, one end of the gas chromatograph-mass spectrometer body 3 extends into the detection chamber 8, a liquid injection port 11 is arranged on one side of the top end of the machine body 1, the bottom end of the liquid injection port 11 extends into the liquid injection through groove 9, an I-shaped frame 12 is arranged at the top end of the machine body 1 on one side of the liquid injection port 11, second through holes 14 with equal intervals are arranged at the bottom of the I-shaped frame 12, first through holes 13 are arranged at the tops of the I-shaped frames 12 above the second through holes 14, and the top ends of the first through holes 13 extend to the outside of the I-shaped frame 12 so as to place and process sample test tubes;

and install check valve 10 on the outer wall of notes liquid mouth 11 one end, be equipped with fluid-discharge tube 6 on the outer wall of organism 1 one side, the top of fluid-discharge tube 6 extends to the inside of detecting room 8, and install solenoid valve 7 on the outer wall of fluid-discharge tube 6 one end, the model of this solenoid valve 7 can be 4V210-08, install control panel 16 on the outer wall of organism 1 far away from fluid-discharge tube 6 one side, the model of this control panel 16 can be GC-1, the output of the inside singlechip of control panel 16 and the input electric connection of solenoid valve 7.

The working principle is as follows: when the gas chromatograph-mass spectrometer is used, firstly, liquid in a sample test tube is injected into the liquid injection through the liquid injection port 11, at the moment, the control panel 16 is operated to control the electric telescopic rod 1501 to drive the piston plate 1504 to be positioned in the liquid injection through groove 9 to translate through the piston rod 1502, meanwhile, the positioning plate 1505 can limit the moving amplitude of the piston rod 1502 and reset the piston rod 1502 through the reset spring 1503 so as to push the liquid in the liquid injection through groove 9 into the detection chamber 8 to achieve the purpose of automatic sample injection, the labor intensity of workers during the use of the gas chromatograph-mass spectrometer is reduced, then the sample liquid in the detection chamber 8 is detected through the gas chromatograph-mass spectrometer body 3 arranged in the power cavity 2, relevant data can be fed back to the control panel 16 to be displayed so as to be known by the workers, and then the antiskid backing plate 5 is rotated, make it drive screwed joint 17 screw in to the inside of screw interface 18, so that anti-skidding backing plate 5 installs in the bottom of square spacing frame 4, have good non-slip properties because of anti-skidding backing plate 5, make the non-slip properties of gas chromatography/mass spectrometry appearance obtain promoting, in order to reduce its phenomenon that produces and slide because of external factors, stability when having improved the use of gas chromatography/mass spectrometry appearance, last through running through first through-hole 13 and inserting to the inside of second through-hole 14 with the bottom of sample test tube, make the equidistant inboard of placing in I type frame 12 of sample test tube, in order to reach portable's purpose, the convenience when having improved the use of gas chromatography/mass spectrometry appearance, thereby accomplish the use of gas chromatography/mass spectrometry appearance.

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

1. The utility model provides an autoinjection's gas chromatography-mass spectrometer, includes organism (1), gas chromatography-mass spectrometer body (3), detects room (8), annotates liquid and leads to groove (9) and control panel (16), its characterized in that: one side of the inside of the machine body (1) is provided with a detection chamber (8), one side of the inside of the machine body (1) at one side of the detection chamber (8) is provided with a liquid injection through groove (9), one end of the liquid injection through groove (9) extends into the detection chamber (8), one side of the inside of the liquid injection through groove (9) is provided with a sample injection mechanism (15), the inside of the machine body (1) below the liquid injection through groove (9) is provided with a power cavity (2), the central position of the bottom of the power cavity (2) is provided with a gas chromatograph-mass spectrometer body (3), one end of the gas-mass spectrometer body (3) extends into the detection chamber (8), one side of the top end of the machine body (1) is provided with a liquid injection port (11), the bottom end of the liquid injection port (11) extends into the liquid injection through groove (9), the outer wall at one end of the liquid injection port (11) is provided with a one-way valve (10), the outer wall at one side of the machine body (1) is provided with a liquid discharge pipe (6), the top of fluid-discharge tube (6) extends to the inside that detects room (8) to install solenoid valve (7) on the outer wall of fluid-discharge tube (6) one end, install control panel (16) on the outer wall of fluid-discharge tube (6) one side is kept away from in organism (1), the output of the inside singlechip of control panel (16) and the input electric connection of solenoid valve (7).

2. The automatic sample introduction gas chromatograph-mass spectrometer according to claim 1, characterized in that: the edge position department of organism (1) bottom is fixed with square spacing frame (4), and the one end that organism (1) was kept away from in square spacing frame (4) installs anti-skidding backing plate (5).

3. The automatic sample introduction gas chromatograph-mass spectrometer according to claim 2, characterized in that: the machine body is characterized in that a spiral connector (18) is arranged at the center of the bottom end of the machine body (1), a spiral connector (17) is connected to the inner thread of the spiral connector (18), and the bottom end of the spiral connector (17) extends to the outer portion of the spiral connector (18) and is fixedly connected with the top end of the anti-skidding base plate (5).

4. The automatic sample introduction gas chromatograph-mass spectrometer according to claim 1, characterized in that: the top end of the machine body (1) on one side of the liquid injection port (11) is provided with a tool type frame (12), the bottom of the tool type frame (12) is provided with second through holes (14) at equal intervals, the top of the tool type frame (12) above the second through holes (14) is provided with first through holes (13), and the top end of each first through hole (13) extends to the outside of the tool type frame (12).

5. The automatic sample introduction gas chromatograph-mass spectrometer according to claim 1, characterized in that: the sample injection mechanism (15) is internally provided with an electric telescopic rod (1501), a piston rod (1502), a return spring (1503), a piston plate (1504) and a positioning plate (1505) in sequence, one side of the inside of the liquid injection through groove (9) is fixed with the positioning plate (1505), and the inside of the liquid injection through groove (9) on one side of the positioning plate (1505) is provided with the piston plate (1504).

6. The automatic sample introduction gas chromatograph-mass spectrometer according to claim 5, characterized in that: install electric telescopic handle (1501) on locating plate (1505) keep away from liquid injection logical groove (9) inner wall of piston board (1504) one side, and piston rod (1502) are installed to the one end of electric telescopic handle (1501), the one end that electric telescopic handle (1501) were kept away from in piston rod (1502) runs through locating plate (1505) and with the outer wall fixed connection of piston board (1504), and twine reset spring (1503) on locating plate (1505) is close to piston rod (1502) outer wall of piston board (1504) one side, the one end of reset spring (1503) is connected with the outer wall of locating plate (1505), the other end of reset spring (1503) is connected with the outer wall of piston board (1504).