CN116429961A - Oil chromatographic analysis instrument and detection method thereof - Google Patents
Oil chromatographic analysis instrument and detection method thereof Download PDFInfo
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- CN116429961A CN116429961A CN202310691740.3A CN202310691740A CN116429961A CN 116429961 A CN116429961 A CN 116429961A CN 202310691740 A CN202310691740 A CN 202310691740A CN 116429961 A CN116429961 A CN 116429961A
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- 238000001514 detection method Methods 0.000 title claims abstract description 65
- 238000004587 chromatography analysis Methods 0.000 title claims abstract description 44
- 238000011084 recovery Methods 0.000 claims abstract description 141
- 238000002347 injection Methods 0.000 claims abstract description 48
- 239000007924 injection Substances 0.000 claims abstract description 48
- 238000004458 analytical method Methods 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims description 33
- 238000009434 installation Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 10
- 238000005070 sampling Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012840 feeding operation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/24—Automatic injection systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8804—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 automated systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8809—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample
- G01N2030/884—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample organic compounds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to the technical field of oil chromatographic analysis, in particular to an oil chromatographic analysis instrument and a detection method thereof, which solve the problems that: in order to solve the problem of insufficient positioning accuracy of an oil chromatographic analysis instrument during automatic sample injection, an embodiment of the invention provides an oil chromatographic analysis instrument, which comprises: the analysis device is provided with a sample inlet; the lofting device is arranged on one side, close to the sample inlet, of the analysis device and comprises a lifting rod and a rotating table, the lifting rod is connected with the rotating table in a matched mode, the lifting rod can drive the rotating table to move up and down, the distance between the rotating table and the sample inlet is changed, the pushing device is fixedly connected with the rotating table, the sample feeding device is arranged above the rotating table, at least part of the sample feeding device can move towards the sample inlet, and the recovery tank is arranged side by side with the lifting rod.
Description
Technical Field
The invention relates to the technical field of oil chromatography, in particular to an oil chromatography analysis instrument and a detection method thereof.
Background
Conventional oil chromatograph sample introduction is manual sample introduction, and manual sample introduction mode analyst intensity of labour is too high, and work efficiency is low, because the sample introduction port of chromatograph is narrow, needs the location of high accuracy when the location, current automatic gas chromatograph, though can realize automatic lofting and introduction, at the location precision not enough, leads to the testing result to appear wrong easily, brings inconvenience for the staff, and at the in-process of automatic lofting, the interval time overlength of lofting leads to detection efficiency lower moreover.
Disclosure of Invention
The invention solves the problems that: the problem of insufficient positioning precision of the oil chromatographic analysis instrument during automatic sample injection.
In order to solve the above problems, an embodiment of the present invention provides an oil chromatography apparatus, including: the analysis device is provided with a sample inlet; the lofting device is arranged on one side, close to the sample inlet, of the analysis device and comprises a lifting rod and a rotating table, the lifting rod is connected with the rotating table in a matched mode, the lifting rod can drive the rotating table to move up and down, the distance between a moving channel and the sample inlet is changed, a plurality of moving channels are arranged at the outer edge of the rotating table, and a mounting position is arranged on the rotating table and used for placing a pipe body; the pushing devices are fixedly connected with the rotating table, the number of the pushing devices is the same as that of the moving channels, the pushing devices correspond to the moving channels one by one, and at least part of the pushing devices can enter the moving channels and push the pipe bodies in the installation positions; the sample injection device is at least partially arranged above the rotating table, at least partially can move towards the direction of the sample injection port and can contact with the tube body to output substances in the tube body; the recovery groove is arranged side by side with the lifting rod; and the recovery device and the lifting rod are respectively positioned at two opposite sides of the recovery groove, at least part of the recovery device can move, and the pipe body positioned in the moving channel is recovered into the recovery groove.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of analytical equipment lets the oil chromatography analysis instrument can analyze the internal material of pipeline, the height of body can be adjusted in the setting of lifter, can shorten the body when injecting the sample and the direct distance of sample inlet, can avoid body and analytical equipment contact again when rotating, the platform of rotation lets the interior body of different removal passageway come to the top of sample inlet in proper order through rotating, the work efficiency of oil chromatography analysis instrument at the continuous during operation has been promoted, thrust unit cooperates with recovery unit, can send into the recovery tank with the body that finishes of injecting the sample, guarantee that the body that does not have the sample can be smooth place on the installation site, the practicality of oil chromatography analysis instrument has been promoted.
In one embodiment of the invention, the pushing means comprises: the pushing motor is fixedly connected with the rotating table; the pushing rod is connected with the output end of the pushing motor and can move under the driving of the pushing motor; the pushing plate is fixedly connected with the pushing rod, can be contacted with the pipe body and pushes the pipe body to move along the moving channel.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of pushing motor provides power for thrust unit, and the setting of push plate has increased the area of contact between thrust unit and the body, lets the process of promotion more smooth, and the setting of push rod lets the removal of push plate more stable, and the push plate mutually supports with the movable channel, has straightened the body after the removal, lets the location between body and the inlet more accurate.
In one embodiment of the present invention, the number of the pushing motors is equal to the number of the moving channels and corresponds to one another, and the extending direction of each pushing rod is consistent with the extending direction of the moving channel corresponding to the pushing rod.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the plurality of pushing motors are arranged, so that after the rotating table rotates each time, the corresponding moving channels can be provided with pushing motors to drive the pushing plates to enter.
In one embodiment of the invention, the inner wall of the rotating table is provided with a first sliding groove, two sides of the moving channel are provided with second sliding grooves, and the first sliding groove is communicated with the second sliding groove.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of first sliding tray lets the body when placing through the installation position, and the height of installation is more confirmed easily, has promoted the placing efficiency of body, and the setting of second sliding tray and first sliding tray intercommunication lets the body can be through the quick entering travel channel of installation position, and the setting that the second sliding tray extends along the travel channel lateral wall lets the body can be smooth along the travel channel removal.
In one embodiment of the invention, the pipe body is provided with a protruding part, the protruding part can be matched with the first sliding groove or the second sliding groove, when the pipe body moves along the moving channel, the protruding part moves along the second sliding groove, the bottom of the pipe body is provided with an air outlet, and the air outlet can be communicated with the sample inlet.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of protruding portion lets the body can be with first sliding tray and second sliding tray cooperation, lets the body can be smooth along the removal passageway removal, has promoted the stability that the body removed, presses the setting of mouth and lets the sampling device can be smooth send out the material in the body from the gas outlet to in letting in the sample inlet.
In one embodiment of the present invention, a sample injection device includes: the supporting table is arranged side by side with the recovery device; the sample injection motor is fixedly connected with the supporting table, and a rotating rod is arranged above the sample injection motor; the movable ring is connected with the rotating rod in a matched manner, the rotating rod drives the movable ring to move along the up-down direction through rotation, a connecting plate extending towards the direction of the sample inlet is arranged on the movable ring, a pressing rod extending downwards is arranged on the connecting plate, and the pressing rod can be in contact with the tube body through movement.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of connecting plate lets press the top that the depression bar can be located the pressure mouth, advances the cooperation of appearance motor and dwang, has realized the reciprocating of removal ring to through the reciprocating of removal ring, control the body and follow the gas outlet with the material discharge.
In one embodiment of the invention, the analytical instrument further comprises: the fixed plate is detachably connected with the analysis device and is arranged on the upper surface of the analysis device, a positioning hole is formed in the fixed plate, and the center of the positioning hole and the center of the sample inlet are positioned on the same vertical line; wherein, at least part of the pressing rod passes through the positioning hole.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of fixed plate lets the dwang when rotating, presses the pole and only can reciprocate, can not follow the dwang and rotate, also straightens the direction of movement of pressing the pole simultaneously, avoids pressing the position emergence deviation of pressing the pole, has promoted the accuracy nature of sampling device location.
In one embodiment of the invention, the recovery device comprises: the recovery motor is positioned above the recovery tank; the recovery rod is connected with the recovery motor; and the recovery plate is fixedly connected with the recovery rod, and the recovery rod can drive the recovery plate to move towards the direction close to the recovery groove.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of retrieving the motor provides power for retrieving the removal of board, retrieves the board and promotes the board and mutually support, has realized retrieving smoothly of body, lets the staff can be continuous for oil chromatographic analysis instrument loading through the installation position, has promoted oil chromatographic analysis instrument's work efficiency.
In one embodiment of the present invention, the present invention further provides a detection method of an oil chromatography apparatus, where the detection method is applied to the oil chromatography apparatus described in the above embodiment, and the detection method includes:
compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: monitoring and observing the placement position of the pipe body through the image, adjusting the placement position of the pushing device according to the placement position of the pipe body, and judging whether the pipe body is placed on the detection position; if yes, controlling the pushing device to push the pipe body to move along the moving channel for a first distance, and detecting the distance between the pipe body and the sample inlet after the pushing device is pushed, so as to obtain a first detection result; controlling the moving distance of the lifting rod according to the first detection result, and descending the rotating table by a first height; controlling the sample injection device to move, conveying the substances in the pipe body into the sample injection port, judging whether the pipe body is placed on the recovery position through image detection in the conveying process, and controlling the recovery device to move; when the material in the pipe body is conveyed, controlling the moving distance of the lifting rod, lifting the rotating table to a first height, and then controlling the rotating table to rotate by a target angle; if not, the rotating table is controlled to rotate by a target angle, wherein the recovery position is a moving channel corresponding to the upper part of the recovery groove.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of image detection lets whether have the body on the movable channel to judge more easily, still control the rolling table and go up and down when avoiding oil chromatography instrument to have the body on detecting the position, the work efficiency of oil chromatography instrument has been promoted, the setting of first distance lets thrust unit can promote the top of feed inlet with the body, the sampling device of being convenient for presses the mouth of pressing, the setting of first height lets the moving height of rolling table can adjust according to the distance between feed inlet and the gas outlet, ensure that the feed inlet can communicate with the gas outlet, the stability of injecting sample has been promoted, the rotation of target angle lets oil chromatography instrument can orderly carry out the detection of body, the practicality of oil chromatography instrument has been promoted.
In one embodiment of the present invention, the movement of the sample injection device is controlled, and the substance in the tube body is conveyed into the sample injection port, and in the conveying process, whether the tube body is placed on the recovery position is judged by image detection, and the movement of the recovery device is controlled, specifically including: when the rotating table descends by a first height, judging whether a pipe body exists on the recovery position according to image detection; if so, controlling the recovery device to move towards the direction of the rotating table until the pipe body leaves the moving channel; if not, the recovery device does not operate.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: through the detection of the body on the recovery position, the recovery device can be prevented from recovering the moving channel without the body, and the energy-saving effect is achieved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings to be used in the description of the embodiments will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a schematic diagram of the overall structure of an oil chromatography apparatus according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at C;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is an enlarged view of FIG. 3 at D;
FIG. 5 is a schematic diagram showing the positional relationship between the sample injection device and the analysis device;
FIG. 6 is an enlarged view of FIG. 5 at E;
FIG. 7 is a schematic view of the overall structure of the pipe body of the present invention;
FIG. 8 is a flow chart of a detection method of the oil chromatography apparatus of the present invention;
reference numerals illustrate:
100. an analytical instrument; 110. a tube body; 111. a pressing opening; 112. a protruding portion; 113. an air outlet; 200. an analysis device; 210. a sample inlet; 220. a fixing plate; 300. a lofting device; 310. a rotating table; 311. a first sliding groove; 312. a mounting position; 320. a lifting rod; 330. a pushing device; 331. a pushing motor; 332. a push rod; 333. a pushing plate; 340. a moving channel; 341. a second sliding groove; 400. a sample introduction device; 410. a support table; 420. a sample injection motor; 430. a rotating lever; 440. a moving ring; 441. a connecting plate; 442. pressing a pressing rod; 500. a recovery device; 510. a recovery tank; 520. recovering the motor; 530. a recovery rod; 540. and (5) recovering the plate.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
[ first embodiment ]
Referring to fig. 1 to 7, in a specific embodiment, the present invention provides an oil chromatography apparatus 100, the apparatus 100 comprising: the analysis device 200, the analysis device 200 is provided with a sample inlet 210; the lofting device 300, the lofting device 300 locates one side of the analysis device 200 near the sample inlet 210, the lofting device 300 includes the lifting lever 320 and rotates the platform 310, the lifting lever 320 cooperates with and connects with rotating the platform 310, the lifting lever 320 can drive the rotating the platform 310 to reciprocate, and change the distance between sample inlet 210 and the moving channel 340, there are multiple moving channels 340 in the outer edge of rotating the platform 310, there are mounting sites 312 on the rotating platform 310, the mounting site 312 is used for placing the tube 110; the pushing devices 330 are fixedly connected with the rotating table 310, the number of the pushing devices 330 is the same as that of the moving channels 340, the pushing devices 330 are in one-to-one correspondence with the moving channels 340, and at least part of the pushing devices 330 can enter the moving channels 340 and push the pipe body 110 positioned in the mounting position 312; the sample injection device 400, at least part of the sample injection device 400 is arranged above the rotating table 310, and at least part of the sample injection device 400 can move towards the sample injection port 210 and can contact with the tube body 110 to output substances in the tube body 110; a recovery groove 510, the recovery groove 510 being arranged side by side with the lifting rod 320; and a recovery device 500, wherein the recovery device 500 and the lifting rod 320 are respectively positioned at two opposite sides of the recovery tank 510, at least part of the recovery device 500 can move, and the pipe body 110 positioned in the moving channel 340 is recovered into the recovery tank 510.
The sample inlet 210 is arranged on the upper surface of the analysis device 200, and is positioned on one side of the analysis device 200, which is close to the sample placing device 300, the lifting rod 320 is fixedly connected with the rotating table 310, the rotating table 310 is positioned above the lifting rod 320, the center of the rotating table 310 is a circular table, the periphery of the circular table is outwards extended with a plurality of moving channels 340, the size and the length of each moving channel 340 are consistent, the included angles between the adjacent moving channels 340 are the same, the lower surfaces of the moving channels 340 are hollowed, when the tube 110 is placed in the moving channels 340, the bottommost end of the tube 110 is positioned below the lower surface of the moving channels 340, when the lifting rod 320 controls the rotating table 310 to move, the tube 110 can contact the sample inlet 210 before the rotating table 310, the pushing device 330 is fixed on the circular table, one pushing device 330 corresponds to one moving channel 340, the corresponding relation between the pushing device 330 and the moving channel 340 is kept unchanged in the rotating process of the rotating table 310, the pushing device 330 can move along the corresponding moving channel 340 when running, and push the tube 340 to be placed in the corresponding moving channel 340, when the tube 110 is placed in the moving channel 340, the tube 110 is placed in the moving channel, the tube 110 can be placed in the recovery channel 510, the recovery channel is arranged at a position which can be slightly lower than the position between the upper side of the lifting device and the upper side of the lifting device 300 and the recovery channel 500, and the recovery channel 110 can be positioned in the recovery channel 510, and the recovery channel is positioned at the position of the upper side of the position of the recovery channel 500.
When working, a worker sends the tube body 110 into the moving channel 340 through the mounting position 312, then rotates the tube body 110 through the rotating table 310 to change the distance between the tube body 110 and the sample inlet 210, the rotating table 310 rotates each time by an angle related to the number of the moving channels 340, for example, the number of the moving channels 340 is 6, each time rotates by 60 degrees, the number of the moving channels 340 is 8, each time rotates by 45 degrees, generally, the number of the moving channels 340 is 8, when the moving channels 340 can perform sample feeding operation, the moving channels 340 are positioned at the detection position, when the moving channels 340 can perform sample feeding operation after the next rotation, the moving channels 340 are positioned at the detection preparation position, when the moving channels 340 are positioned at the detection preparation position, the pushing device 330 pushes the tube body 110 to move along the moving channels 340 until moving to the tail ends of the moving channels 340, when the tube body 110 at the detection position is completely fed, the rotating table 310 is integrally lifted to avoid the contact between the tube 110 and the analysis device 200 in the rotating process, the tube 110 is lifted to a target height and then rotates once, the pushing device 330 in the detection preparation position keeps the relative position between the tube 110 and the moving channel 340 in the rotating process to avoid the shaking of the tube 110 in the rotating process, the lifting rod 320 controls the rotating table 310 to descend after the moving channel 340 rotates from the detection preparation position to the detection position, the sample injection device 400 inputs the substances in the tube 110 into the sample injection port 210 by moving after the target height is lowered, the recovery device 500 pushes the tube 110 after sample injection in the moving channel 340 in the input process, the tube 110 after sample injection is separated from the moving channel 340, the staff can conveniently continue to add the tube 110 into the installation position 312 after sample injection is finished, the sample feeding device 400 is reset, the recovery device 500 is reset, the lifting rod 320 controls the rotating table 310 to ascend, the rotating table 310 rotates next time, the tube body 110 in the detection preparation position rotates to the detection position, and continuous sample feeding of the analysis device 200 is realized.
It should be noted that, before the sample-introduced moving channel 340 passes through the sample-placing position of the worker, the recovery device 500 pushes the tube 110 in the moving channel 340 into the recovery groove 510, so as to ensure the worker to place the tube 110 smoothly.
Preferably, the placement of the tube 110 may also be accomplished by a manipulator, and the tube 110 is automatically placed in the installation site 312 by the position of the image acquisition moving channel 340, so as to realize the automatic lofting of the oil chromatograph 100.
The setting of analytical equipment 200 lets oil chromatograph 100 can analyze the material in pipe body 110, the height of pipe body 110 can be adjusted in the setting of lifter 320, can shorten the direct distance of pipe body 110 and sample inlet 210 when the introduction, can avoid pipe body 110 to contact with analytical equipment 200 again when rotating, rotate the top that the pipe body 110 in letting different removal passageway 340 can come to sample inlet 210 in proper order through rotating, the work efficiency of oil chromatograph 100 when lasting operation has been promoted, pusher 330 cooperates with recovery unit 500, can send into recovery tank 510 with the pipe body 110 that advances the sample, guarantee that pipe body 110 that does not advance can be smooth place on installation position 312, the practicality of oil chromatograph 100 has been promoted.
[ second embodiment ]
Referring to fig. 5 and 6, in one particular embodiment, the pushing device 330 includes: the pushing motor 331, the pushing motor 331 is fixedly connected with the rotating table 310; the pushing rod 332, the pushing rod 332 is connected with the output end of the pushing motor 331 and can move under the driving of the pushing motor 331; the pushing plate 333, the pushing plate 333 is fixedly connected with the pushing rod 332, and the pushing plate 333 can contact with the tube 110 and push the tube 110 to move along the moving channel 340.
The pushing motor 331 is fixed on the round platform to encircle the setting around the center of round platform, the pushing plate 333 is the arc, and the radian of pushing plate 333 internal surface is unanimous with the radian of body 110's outline, lets the pushing plate 333 have bigger area of contact when pushing body 110, also lets the removal of body 110 become more convenient, and the width of pushing plate 333 is less than the width of removal passageway 340, ensures that pushing plate 333 wholly can get into removal passageway 340, and the radian of the terminal inner wall of removal passageway 340 and body 110's outline is unanimous, when body 110 is pushed to the terminal by pushing plate 333, and terminal inner wall and pushing plate 333 mutually support, can carry out the alignment to body 110, avoid body 110 to take place the slope at the removal in-process.
When the tube 110 enters the moving channel 340 through the mounting position 312, the pushing plate 333 moves to the connection position between the moving channel 340 and the round table, so as to prevent the tube 110 from falling in the process of rotating to the detection preparation position, when the moving channel 340 rotates to the detection preparation position, the pushing motor 331 controls the pushing plate 333 to move, the tube 110 is pushed to the tail end of the moving channel 340, after the moving is completed, the pushing plate 333 is kept still until the moving channel 340 moves to the position corresponding to the recovery device 500, the pushing motor 331 controls the pushing plate 333 to reset, and the recovery device 500 pushes the tube 110 away from the moving channel 340 and falls to the recovery groove 510 from the mounting position 312.
The setting of pushing motor 331 provides power for thrust unit 330, and the setting of push plate 333 has increased the area of contact between thrust unit 330 and the body 110, lets the process of pushing more smooth, and the setting of push rod 332 lets the removal of push plate 333 more stable, and push plate 333 and moving channel 340 mutually support, has straightened body 110 after the removal, lets the location between body 110 and the sample inlet 210 more accurate.
[ third embodiment ]
In a specific embodiment, the number of the pushing motors 331 is equal to the number of the moving channels 340 and corresponds to one another, and the extending direction of each pushing rod 332 corresponds to the extending direction of the moving channel 340 corresponding to the pushing rod 332.
The direction of the pushing rod 332 is the same as the direction of the moving channel 340 corresponding to the pushing rod 332, and is parallel to the side wall of the corresponding moving channel 340, the pushing motor 331 and the moving channel 340 rotate synchronously along with the round table, and in the rotating process, the alignment relationship between the pushing motor 331 and the moving channel 340 is not changed.
The plurality of pushing motors 331 are arranged, so that after each rotation of the rotating table 310, the corresponding moving channel 340 can have the pushing motor 331 to drive the pushing plate 333 to enter.
[ fourth embodiment ]
In a specific embodiment, the inner wall of the rotating table 310 is provided with a first sliding groove 311, and two sides of the moving channel 340 are provided with a second sliding groove 341, and the first sliding groove 311 communicates with the second sliding groove 341.
The first sliding groove 311 is the same as the second sliding groove 341 in height, the notch is the same in size, under normal conditions, the first sliding groove 311 is located in the middle of the side wall of the circular truncated cone, the first sliding groove 311 is divided into multiple sections and is arranged around the circular truncated cone, the outwards protrusions of the moving channel 340 are located in the second sliding groove 341 to be communicated, when the pipe 110 enters from the installation position 312, the first sliding groove 311 can enable the workers to rapidly locate the placing height of the pipe 110, and smoothly send the pipe 110 into the moving channel 340, and at least part of the pipe 110 also enters the second sliding groove 341 while sending the pipe into the moving channel 340.
The setting of first sliding tray 311 lets body 110 when placing through installation position 312, and the height of installation is more easily confirmed, has promoted the efficiency of placing of body 110, and the setting of second sliding tray 341 and first sliding tray 311 intercommunication lets body 110 can be through the quick entering removal passageway 340 of installation position 312, and the setting that the second sliding tray 341 extends along removal passageway 340 lateral wall lets body 110 can be smooth remove along removal passageway 340.
[ fifth embodiment ]
Referring to fig. 7, in a specific embodiment, a protrusion 112 is provided on the tube 110, the protrusion 112 can be matched with the first sliding groove 311 or the second sliding groove 341, when the tube 110 moves along the moving channel 340, the protrusion 112 moves along the second sliding groove 341, an air outlet 113 is provided at the bottom of the tube 110, and the air outlet 113 can be communicated with the sample inlet 210.
The protruding part 112 is arranged at the left side and the right side of the pipe body 110, the length of the protruding part 112 is smaller than the depth of the second sliding groove 341, the thickness of the protruding part 112 is smaller than the height of the second sliding groove 341 and the first sliding groove 311, the pipe body 110 can smoothly enter the first sliding groove 311 and the second sliding groove 341, the whole length of the combined protruding part 112 at the two sides and the pipe body 110 is smaller than the width of the mounting position 312, the pipe body 110 can smoothly fall from the mounting position 312 when the recovery device 500 recovers the pipe body 110, the air outlet 113 is arranged at the center position of the lower surface of the pipe body 110, when the pipe body 110 is pushed to the tail end of the moving channel 340 by the pushing plate 333, the air outlet 113 and the air inlet are positioned on the same vertical line, the lifting rod 320 controls the rotating table 310 to descend, the distance between the air inlet and the air outlet 113 is shortened, the center position of the upper surface of the pipe body 110 is provided with a downward concave pressing opening 111, and after the air inlet and the air outlet 113 are calibrated, the sample feeding device 400 applies external force to the pressing opening 111, and feeds substances in the pipe body 110 into the sample inlet 210.
It should be noted that, the protruding portion 112 and the tube 110 are not necessarily integrally formed, and when the shape of the tube 110 is required when the sample is collected, the protruding portion 112 may be provided on the external set of the tube 110 after the collection is completed.
The arrangement of the protruding portion 112 enables the tube 110 to be matched with the first sliding groove 311 and the second sliding groove 341, enables the tube 110 to smoothly move along the moving channel 340, improves the moving stability of the tube 110, and enables the sample injection device 400 to smoothly send out substances in the tube 110 from the air outlet 113 and to be introduced into the sample injection port 210 due to the arrangement of the pressing port 111.
[ sixth embodiment ]
In a specific embodiment, the sample injection device 400 includes: a support table 410, wherein the support table 410 is arranged side by side with the recovery device 500; the sample injection motor 420, the sample injection motor 420 is fixedly connected with the supporting table 410, and a rotating rod 430 is arranged above the sample injection motor 420; the movable ring 440, the movable ring 440 is cooperatively connected with the rotating rod 430, the rotating rod 430 drives the movable ring 440 to move up and down by rotating, the movable ring 440 is provided with a connecting plate 441 extending towards the sample inlet 210, the connecting plate 441 is provided with a pressing rod 442 extending downwards, and the pressing rod 442 can be contacted with the tube body 110 by moving.
The supporting table 410 is used for lifting the placing height of the sample injection motor 420, the output shaft of the sample injection motor 420 is vertically upwards, the rotating rod 430 is matched with the output shaft of the sample injection motor 420 and can rotate under the drive of the sample injection motor 420, the upper end of the rotating rod 430 is provided with external threads, the inner surface of the moving ring 440 is provided with internal threads, the moving ring 440 and the rotating rod 430 are matched through threads, in the rotating process of the rotating rod 430, the moving ring 440 can move up and down along the rotating rod 430, a connecting plate 441 is arranged on one side, close to the sample inlet 210, of the moving ring 440, the connecting plate 441 extends to the upper side of the sample inlet 210, a pressing rod 442 extending downwards is arranged at the tail end of the connecting plate 441, when the pipe body 110 is located at the detection position, the pressing inlet 111, the pressing rod 442 and the center of the sample inlet 210 are located on the same vertical line, after the rotating table 310 descends, the sample injection motor 420 drives the rotating rod 430 to rotate, the moving ring 440 moves downwards under the action of the rotating rod 430, meanwhile, the pressing rod 442 gradually approaches the pressing inlet 111, and continuously presses the sample inlet 111 until substances inside the pipe body 110 enter the motor 420, and then the whole moving ring 420.
The arrangement of the connecting plate 441 enables the pressing rod 442 to be located above the pressing port 111, and the sample injection motor 420 and the rotating rod 430 cooperate to realize the up-and-down movement of the moving ring 440, and control the tube 110 to discharge the substance from the air outlet 113 through the up-and-down movement of the moving ring 440.
[ seventh embodiment ]
In a specific embodiment, the analytical instrument 100 further comprises: the fixing plate 220 is detachably connected with the analysis device 200 and is arranged on the upper surface of the analysis device 200, a positioning hole is formed in the fixing plate 220, and the center of the positioning hole and the center of the sample inlet 210 are positioned on the same vertical line; wherein at least a portion of the pressing rod 442 passes through the positioning hole.
The height of the fixing plate 220 is located between the moving channel 340 and the connection plate 441, the projection of the fixing plate 220 and the connection plate 441 in the vertical direction is at least partially overlapped, the positioning hole is formed at the projection overlapped position, the pressing rod 442 can pass through the positioning hole and can contact with the pressing opening 111 through lifting, and the moving ring 440 does not rotate along with the rotating rod 430 but moves up and down along with the threads when the rotating rod 430 rotates due to the arrangement of the fixing plate 220, so that the pressing rod 442 can contact with the pressing opening 111.
The setting of fixed plate 220 lets dwang 430 when rotating, presses the pole 442 and only can reciprocate, can not follow dwang 430 and rotate, also straightens the direction of movement of pressing pole 442 simultaneously, avoids pressing the position emergence deviation of pole 442, has promoted the accuracy nature of sampling device 400 location.
[ eighth embodiment ]
In a specific embodiment, the recycling apparatus 500 includes: a recovery motor 520, the recovery motor 520 being located above the recovery tank 510; a recovery lever 530, the recovery lever 530 being connected to the recovery motor 520; the recovery plate 540, the recovery plate 540 and the recovery rod 530 are fixedly connected, and the recovery rod 530 can drive the recovery plate 540 to move in a direction close to the recovery groove 510.
The driving mode between the recovery motor 520 and the recovery rod 530 is the same as the driving mode between the lofting motor and the lofting rod, when the pipe body 110 passes through the detection position, the rotating table 310 is rotated for 1 to 2 times again, the moving channel 340 where the pipe body 110 is located reaches the recovery position, after the moving channel 340 rotates to the recovery position, the pushing plate 333 can reach the position closest to the pushing motor 331, the space of the installation position 312 is increased as much as possible, the pipe body 110 can smoothly enter the recovery groove 510 through the installation position 312, the moving direction of the recovery rod 530 is opposite to the moving direction of the moving rod of the corresponding moving channel 340, the recovery starting time is when the rotating table 310 descends, namely, when the air outlet 113 is communicated with the feed inlet, the recovery plate 540 pushes the pipe body 110 on the moving channel 340 to the direction of the installation position 312 until the pipe body 110 leaves the moving channel 340, when the recovery work and the sample feeding work are finished, the lifting rod 320 controls the rotating table 310 to ascend again, the next rotation is carried out, after the next rotation is finished, the recovery device 500 is carried out again.
It should be noted that, when the tube 110 is placed, the position of the pushing plate 333 is used to ensure that the tube 110 is convenient to be placed, the protrusion 112 is used to prevent the tube 110 from falling from the mounting position 312, and the pushing plate 333 is retracted by a distance further in the recycling process, and the mounting position 312 is increased by a distance that the tube 110 can fall from the mounting position 312 smoothly.
The setting of retrieving motor 520 provides power for retrieving the removal of board 540, retrieves board 540 and pushing plate 333 mutually support, has realized the smooth recovery of body 110, lets the staff can be continuous for oil chromatographic analysis instrument 100 loading through mount position 312, has promoted the work efficiency of oil chromatographic analysis instrument 100.
[ ninth embodiment ]
Referring to fig. 8, in a specific embodiment, the present invention further provides a detection method of an oil chromatography apparatus, where the detection method is applied to the oil chromatography apparatus described in the above embodiment, and the detection method includes:
s100, monitoring and observing the placement position of the pipe body through an image, adjusting the placement position of the pushing device according to the placement position of the pipe body, and judging whether the pipe body is placed on the detection position;
S200, if yes, controlling the pushing device to push the pipe body to move along the moving channel for a first distance, and detecting the distance between the pipe body and the sample inlet after pushing by the pushing device is finished, so as to obtain a first detection result;
s300, controlling the moving distance of the lifting rod according to a first detection result, and descending the rotating table by a first height;
s400, controlling the sample injection device to move, conveying substances in the pipe body into the sample injection port, judging whether the pipe body is placed on the recovery position through image detection in the conveying process, and controlling the recovery device to move;
s500, after the material in the pipe body is conveyed, controlling the moving distance of the lifting rod, lifting the rotating table to a first height, and then controlling the rotating table to rotate by a target angle;
s600, if not, controlling the rotating table to rotate by a target angle;
wherein, the recovery position is the corresponding moving channel above the recovery tank.
In step S100, a camera is placed around the analysis device to capture a moving channel on the detection position, whether a tube is placed on the detection position is determined according to an image, the position of a pushing plate on the moving channel is adjusted according to the position of the moving channel, when the moving channel is located at the detection preparation position, the pushing plate pushes the tube to the tail end of the moving channel, the pushing plate is kept at the position until the moving channel rotates to the recovery position, after the moving channel reaches the recovery position, the pushing plate moves in the direction of the pushing motor and moves to the position closest to the pushing motor, after the moving channel passes from the recovery position, the pushing plate moves in the direction of the moving channel, but the distance is kept between the front section of the pushing plate and one side of the moving channel close to the moving motor along the rotation direction of the rotating table, and between the recovery position and the detection preparation position, whether the tube is placed through the installation position is determined through the image, if the tube is placed through the installation position, the pushing plate is controlled to move in the direction of the moving channel until the front end of the pushing plate is flush with the entrance of the moving channel, and if the tube is not kept at the current position, the tube is kept through the installation position.
The small distance of push plate removes, can let the body that gets into the travel path through the installation position not fall out, detects the setting of the direct push tube body of preparation position, lets the sample introduction of next body that can be quick after the rotation of rolling table, has promoted work efficiency.
It should be noted that, the case of no tube body usually occurs when the oil chromatography apparatus is just started to operate, the first tube body is not yet detected, and the last tube body is detected, and no subsequent tube body needs to be detected.
In step S200, when the graphic detection determines that the pipe body needs to be lofted, the pushing plate pushes the pipe body by a first distance, the first distance is the length of the moving channel, and after the pushing device completes pushing, the distance between the air outlet of the pipe body and the sample inlet is detected, so as to obtain a first detection result.
In step S300, the lifting rod is lifted according to the first detection result, the first height of the rotation table falling is slightly greater than the height detected by the first detection result, so that the butt joint between the air outlet and the sample inlet is ensured, the substances in the pipe body can smoothly enter the sample inlet, and the accuracy of the analysis result of the analysis device is improved.
In step S400, after the lifting is finished, the pressing rod is matched with the pressing opening on the pipe body by moving, so that the conveying of the substances in the pipe body is completed, and at the moment, the image detection continues to judge whether the recovery device needs to recover, namely, whether the pipe body exists on the recovery position;
It should be noted that, the operation of retrieving the pipe body needs to be accomplished when the rotating table is in the decline position, therefore, when the pipe body of detecting the position carries out the material transportation, the pipe body of retrieving the position is pushed into the recovery groove by retrieving the board in step, because the sample introduction process of pipe body needs the consumption time, and the height of recovery groove can not interfere the lift of rotating table, consequently retrieves in the decline position, can also shorten the distance that the pipe body got into the recovery groove.
In step S500, after the material is conveyed, the lifting rod controls the rotating table to reset, the recovery plate is reset before the reset, the lifting of the rotating table is not affected, after the lifting is finished, the height difference is formed between the air outlet and the sample inlet of the pipe body, the rotating table can smoothly rotate, at this time, the rotating table is controlled to rotate by a target angle, namely, the angle required by one rotation in the embodiment is described in the embodiment, the number of the moving channels is related, the number of the moving channels is recorded as N, and then the target angle t=360+.n.
In step S600, if there is no pipe in the detection position at this time, it is determined whether there is a pipe in the recovery position, and if there is no pipe in both the detection position and the recovery position, the turntable is directly rotated by the target angle T, and after rotation, it is determined whether there is a pipe in the detection position by image detection.
The setting of image detection lets whether have the body on the movable channel to judge more easily, still control the rolling table and go up and down when avoiding oil chromatography instrument to have the body on detecting the position, the work efficiency of oil chromatography instrument has been promoted, the setting of first distance lets thrust unit can promote the top of feed inlet with the body, the sampling device of being convenient for presses the mouth of pressing, the setting of first height lets the moving height of rolling table can adjust according to the distance between feed inlet and the gas outlet, ensure that the feed inlet can communicate with the gas outlet, the stability of injecting sample has been promoted, the rotation of target angle lets oil chromatography instrument can orderly carry out the detection of body, the practicality of oil chromatography instrument has been promoted.
[ tenth embodiment ]
The control sampling device removes to in carrying the sample inlet with the material in the body, in the transportation process, judge through image detection whether to place the body on the recovery position, and control recovery device removes, specifically include:
s410, judging whether a pipe body exists on the recovery position according to image detection after the rotating table descends by a first height;
s420, if so, controlling the recovery device to move towards the direction of the rotating table until the pipe body leaves the moving channel;
And S430, if not, the recovery device does not work.
In step S410 to step S430, the pipe body at the recovery position is detected after the rotating table descends, and when the pipe body is detected, the recovery plate can perform recovery operation on the pipe body, and when the recovery position does not have the pipe body, the recovery device does not operate.
It should be noted that, when the oil chromatographic analysis instrument is just started to operate, no pipe body usually occurs in the recovery position, and through the detection of the pipe body in the recovery position, the recovery operation of the recovery device on the moving channel without the pipe body can be avoided, so that the energy-saving effect is achieved.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Claims (10)
1. An oil chromatography apparatus, characterized in that the analysis apparatus (100) comprises:
an analysis device (200), wherein a sample inlet (210) is arranged on the analysis device (200);
the lofting device (300), lofting device (300) are located analytical equipment (200) are close to one side of injection inlet (210), lofting device (300) include lifter (320) and rotating table (310), lifter (320) with rotating table (310) cooperation is connected, lifter (320) can drive rotating table (310) reciprocates to change the distance between movable channel (340) and injection inlet (210), the outward flange of rotating table (310) is equipped with a plurality of movable channel (340), be equipped with installation position (312) on rotating table (310), installation position (312) are used for placing body (110);
The pushing devices (330) are fixedly connected with the rotating table (310), the number of the pushing devices (330) is the same as that of the moving channels (340), the pushing devices (330) are in one-to-one correspondence with the moving channels (340), and at least part of the pushing devices (330) can enter the moving channels (340) and push the pipe body (110) positioned in the mounting position (312);
the sample injection device (400) is at least partially arranged above the rotating table (310), and at least part of the sample injection device (400) can move towards the sample injection port (210) and can contact with the pipe body (110) to output substances in the pipe body (110);
a recovery tank (510), wherein the recovery tank (510) is arranged side by side with the lifting rod (320);
and the recovery device (500), the recovery device (500) and the lifting rod (320) are respectively positioned at two opposite sides of the recovery groove (510), at least part of the recovery device (500) can move, and the pipe body (110) positioned in the moving channel (340) is recovered into the recovery groove (510).
2. The oil chromatography apparatus according to claim 1, wherein the pushing device (330) comprises:
a pushing motor (331), wherein the pushing motor (331) is fixedly connected with the rotating table (310);
the pushing rod (332) is connected with the output end of the pushing motor (331) and can move under the driving of the pushing motor (331);
the pushing plate (333) is fixedly connected with the pushing rod (332), and the pushing plate (333) can be in contact with the pipe body (110) and push the pipe body (110) to move along the moving channel (340).
3. The oil chromatography apparatus according to claim 2, wherein the number of the pushing motors (331) is equal to the number of the moving channels (340) and corresponds one by one, and the extending direction of each pushing rod (332) is consistent with the extending direction of the moving channel (340) to which the pushing rod (332) corresponds.
4. The oil chromatography apparatus according to claim 2, wherein the inner wall of the rotary table (310) is provided with a first sliding groove (311), both sides of the moving channel (340) are provided with a second sliding groove (341), and the first sliding groove (311) is communicated with the second sliding groove (341).
5. The oil chromatography apparatus according to claim 4, wherein the tube body (110) is provided with a protruding portion (112), the protruding portion (112) can be matched with the first sliding groove (311) or the second sliding groove (341), when the tube body (110) moves along the moving channel (340), the protruding portion (112) moves along the second sliding groove (341), the bottom of the tube body (110) is provided with an air outlet (113), and the air outlet (113) can be communicated with the sample inlet (210).
6. The oil chromatography apparatus according to claim 5, wherein the sample introduction device (400) comprises:
a support table (410), wherein the support table (410) is arranged side by side with the recovery device (500);
the sample injection motor (420), the sample injection motor (420) is fixedly connected with the supporting table (410), and a rotating rod (430) is arranged above the sample injection motor (420);
the movable ring (440), movable ring (440) with the cooperation of dwang (430) is connected, dwang (430) is through rotating, drives movable ring (440) are along the upper and lower direction removal, be equipped with on movable ring (440) towards connecting plate (441) that sample inlet (210) direction extends, be equipped with on connecting plate (441) down extend press lever (442), press lever (442) can with body (110) contact through the removal.
7. The oil chromatography apparatus according to claim 6, wherein the analysis apparatus (100) further comprises:
the fixing plate (220), the fixing plate (220) is detachably connected with the analysis device (200) and is arranged on the upper surface of the analysis device (200), a positioning hole is formed in the fixing plate (220), and the center of the positioning hole and the center of the sample inlet (210) are located on the same vertical line;
wherein at least part of the pressing rod (442) passes through the positioning hole.
8. The oil chromatography apparatus according to claim 6, wherein the recovery device (500) comprises:
a recovery motor (520), the recovery motor (520) being located above the recovery tank (510);
a recovery lever (530), the recovery lever (530) being connected to the recovery motor (520);
the recovery plate (540), recovery plate (540) with recovery pole (530) fixed connection, recovery pole (530) can drive recovery plate (540) to be close to the direction of recovery groove (510).
9. A detection method of an oil chromatography apparatus, characterized in that the detection method is used for the oil chromatography apparatus according to any one of claims 1 to 8, the detection method comprising:
Observing the placement position of the pipe body through image monitoring, adjusting the placement position of the pushing device according to the placement position of the pipe body, and judging whether the pipe body is placed on the detection position;
if yes, the pushing device is controlled to push the pipe body to move along the moving channel for a first distance, and after the pushing device is pushed, the distance between the pipe body and the sample inlet is detected to obtain a first detection result;
controlling the moving distance of the lifting rod according to the first detection result, and descending the rotating table by a first height;
controlling the sample injection device to move, conveying the substances in the pipe body into the sample injection port, judging whether the pipe body is placed on the recovery position through image detection in the conveying process, and controlling the recovery device to move;
when the material in the pipe body is conveyed, controlling the moving distance of the lifting rod, lifting the rotating table to a first height, and then controlling the rotating table to rotate by a target angle;
if not, controlling the rotating table to rotate by a target angle;
wherein the recovery position is the corresponding moving channel above the recovery tank.
10. The method according to claim 9, wherein the controlling the movement of the sample injection device and the transporting of the substance in the tube into the sample injection port, and the determining whether the tube is placed on the recovery site by image detection and controlling the movement of the recovery device during the transporting process specifically comprises:
when the rotating table descends by a first height, judging whether the pipe body exists on the recovery position according to image detection;
if yes, controlling the recovery device to move towards the direction of the rotating table until the pipe body leaves the moving channel;
if not, the recovery device does not work.
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Cited By (1)
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| CN116699166A (en) * | 2023-08-08 | 2023-09-05 | 国网浙江省电力有限公司宁波供电公司 | Visual identification-based oil chromatography sample automatic positioning method and system |
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| CN116429961B (en) | 2023-11-07 |
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