CN212693798U - Automatic analysis positioning system - Google Patents
Automatic analysis positioning system Download PDFInfo
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- CN212693798U CN212693798U CN202021080784.0U CN202021080784U CN212693798U CN 212693798 U CN212693798 U CN 212693798U CN 202021080784 U CN202021080784 U CN 202021080784U CN 212693798 U CN212693798 U CN 212693798U
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Abstract
The utility model discloses an automatic analysis positioning system, include: the pneumatic transmission pipeline is used for transmitting the sample bottles through air flow; the measuring chamber is connected with a pneumatic transmission pipeline, the pneumatic transmission pipeline vertically penetrates through the measuring chamber, and a pneumatic transmission pipeline opening is formed in the pneumatic transmission pipeline in the measuring chamber; the moving mechanism comprises a moving mechanism main body and a clamping and positioning mechanism which is arranged on the moving mechanism main body and used for clamping and positioning the sample bottle, and the moving mechanism is detachably connected with the measuring chamber; a first position detector disposed on the moving mechanism body; and the first position detector and the second position detector are used for monitoring whether the sample bottle is transmitted in place. The utility model discloses well measuring chamber is connected with pneumatic transmission pipeline and is realized receiving and sending of pneumatic appearance system transmission time to the sample bottle, ensures that sample bottle is in the accurate positioning of measuring position among the automatic analysis process, characteristics such as installation, maintenance, change are convenient.
Description
Technical Field
The utility model belongs to the technical field of nuclear fuel aftertreatment, concretely relates to automatic analysis positioning system.
Background
The nuclear fuel post-treatment process needs to analyze radioactive samples of all process sections, the radioactive samples generally have the characteristics of strong radioactivity, high toxicity and the like, and the operation modes of analyzing and detecting the radioactive samples comprise non-automatic analysis and automatic analysis. The non-automatic analysis has the disadvantages of complicated operation, low analysis efficiency and difficult instrument maintenance, especially when analyzing high-radioactivity samples, the radiation damage to operators is serious, the radiation shielding requirement on a shielding body is very high, and once accidents such as sample leakage occur, the personnel safety is difficult to ensure. The automatic analysis does not need personnel to intervene under the normal working condition, but has higher requirement on the accurate positioning precision of the sample bottle, and the difficulty of overhauling, maintaining and operating is higher because the automatic analysis and measurement post is usually in the environment with higher radioactivity level. The prior literature has not yet referred to a sample vial positioning device for automated analysis of radioactive samples.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned not enough that exists among the prior art, provide an automatic analysis positioning system, to the receipt and the sending of sample bottle when can realizing the transmission of pneumatic sample presentation system, ensure the accurate location of sample bottle at measuring position among the automatic analysis process, it is convenient to install, overhaul, change.
Solve the utility model discloses technical scheme that technical problem adopted provides an automatic analysis positioning system, include:
the pneumatic transmission pipeline is used for transmitting the sample bottles through air flow;
the measuring chamber is connected with the pneumatic transmission pipeline, the pneumatic transmission pipeline penetrates through the measuring chamber from top to bottom, a reducing part which is locally reduced and used for receiving the sample bottles is arranged on the pneumatic transmission pipeline outside the measuring chamber, a pneumatic transmission pipeline opening is arranged on the pneumatic transmission pipeline inside the measuring chamber, the pneumatic transmission pipeline opening is used for clamping and positioning the sample bottles when the clamping and positioning mechanism enters and exits the pneumatic transmission pipeline, and an analysis measuring window used for transmitting samples in the sample bottles in place is arranged on the pneumatic transmission pipeline;
the moving mechanism comprises a moving mechanism main body and a clamping and positioning mechanism which is arranged on the moving mechanism main body and used for clamping and positioning the sample bottle, and the moving mechanism is detachably connected with the measuring chamber;
the first position detector is arranged on the moving mechanism body, a first detection hole is correspondingly arranged on a pneumatic transmission pipeline in the measuring chamber, and when the moving mechanism is connected with the measuring chamber, the height of the first position detector is higher than the preset height of the sample bottle which is transmitted in place;
and the second position detector is arranged on the moving mechanism body, a second detection hole is correspondingly arranged on the pneumatic transmission pipeline in the measuring chamber, when the moving mechanism is connected with the measuring chamber, the height of the second position detector is positioned between the first position detector and the clamping and positioning mechanism, and the first position detector and the second position detector are used for monitoring whether the sample bottle is transmitted in place.
Preferably, the automatic analysis positioning system further comprises a locking mechanism which is arranged on the moving mechanism and the measuring chamber and is in fit connection with each other, and the locking mechanism is used for locking the moving mechanism and the measuring chamber.
The locking mechanism includes: the locking device comprises a rotatable locking device arranged on the measuring chamber, a locking device handle connected with the locking device and a positioning bolt arranged on the moving mechanism body, wherein when the moving mechanism is in butt joint with the measuring chamber, the locking device is tightly pressed by rotating the locking device handle to be locked with the positioning bolt. The locker handle is a U-shaped rod handle, and two ends of the U-shaped rod handle are respectively and rotatably connected with the locker.
Preferably, the automatic analysis positioning system further comprises a sealing member disposed in the moving mechanism or the measuring chamber, and the moving mechanism and the measuring chamber are hermetically connected through the sealing member.
The measuring chamber and the moving mechanism are of modular design, and the pneumatic transmission pipeline comprises: the pipeline measuring device comprises a first pipeline, a second pipeline and a third pipeline which are connected in sequence, wherein the first pipeline is located above a measuring chamber, the second pipeline is located in the measuring chamber, the third pipeline is located below the measuring chamber, and the joints of the first pipeline, the second pipeline and the third pipeline are quick-change and sealing structures, so that the pipeline measuring device is convenient to integrally install and disassemble.
Preferably, the clamping and positioning mechanism includes: the air pipe is used for providing power for the parallel air claws, and the parallel air claws open and close to drive the V-shaped fingers to loosen or clamp the sample bottle.
The V-shaped fingers comprise a first finger and a second finger, the first finger and the second finger are fixedly connected in a V shape, and the first finger and the second finger are symmetrically arranged.
The parallel gas claw comprises a first gas claw and a second gas claw which are parallel to each other, the first gas claw and the second gas claw are respectively connected with a V-shaped finger, the V-shaped fingers connected with the first gas claw and the V-shaped fingers connected with the second gas claw are symmetrically distributed, and openings of the two V-shaped fingers are opposite.
The trachea is through first sealing member and moving mechanism main part sealing connection, and is specific, first sealing member include first sealing washer and set up the first joint that compresses tightly on first sealing washer, and outside the trachea was arranged in to first sealing washer cover.
Preferably, the clamping and positioning mechanism further comprises a valve arranged on the air pipe, the automatic analysis and positioning system further comprises a controller, the controller is connected with the valve, the controller is used for controlling the opening and closing of the valve to control the opening and closing of the parallel air claws, and the parallel air claws are opened and closed to drive the V-shaped fingers to loosen or clamp the sample bottle.
Preferably, the automatic analysis positioning system further comprises a manual positioning mechanism, and the manual positioning mechanism comprises: the motion rod, the sleeve of the linear bearing outside the motion rod is arranged in the cover, the telescopic handle and the link mechanism, the motion rod penetrates through the moving mechanism body, the linear bearing sleeve is arranged on the moving mechanism body, one end of the motion rod outside the moving mechanism body is connected with the telescopic handle, one end of the motion rod inside the moving mechanism body is connected with the link mechanism, the link mechanism is connected with the V-shaped finger, the telescopic handle drives the motion rod to move when being pushed and pulled, the angle of the link mechanism is changed, and the motion rod acts on the V-shaped finger to clamp and loosen a sample bottle.
The linear bearing sleeve is connected with the moving mechanism body through a second sealing piece, specifically, the second sealing piece comprises a second sealing ring and a second compression joint arranged on the second sealing ring, and the second sealing piece is sleeved outside the linear bearing sleeve.
Preferably, the manual positioning mechanism further comprises a third position detector arranged on the linear bearing sleeve and a position detector detection plate arranged on the telescopic handle, and the telescopic handle moves to drive the position detector detection plate to move to trigger the third position detector and is used for detecting the working state of the V-shaped finger.
Preferably, the third position detector is any one of a fiber optic sensor, a laser sensor, or an ultrasonic sensor.
Preferably, the measurement chamber comprises: the measuring chamber comprises a measuring chamber main body, a guide rod and a positioning pin hole, wherein the guide rod and the positioning pin hole are arranged on the end surface of the measuring chamber main body;
the moving mechanism further includes: and the positioning pin is arranged on the end surface of the moving mechanism main body and is used for being inserted into the positioning pin hole.
Preferably, the automatic analysis positioning system further comprises a handheld portion disposed on the moving mechanism body, and the handheld portion is used for holding the moving mechanism.
Preferably, the first position detector and/or the second position detector is any one of a fiber optic sensor, a laser sensor, or an ultrasonic sensor.
Preferably, the automatic analysis positioning system further comprises a controller, when the controller receives the signal of the second position detector and does not receive the signal of the first position detector at a preset time interval, the controller monitors that the sample bottle is normally transmitted to the measurement position, and the controller controls the clamping and positioning mechanism to clamp and position the sample bottle.
Otherwise, the controller does not control the clamping and positioning mechanism to clamp and position the sample bottle.
Preferably, the automatic analysis positioning system further comprises a display, and when the controller receives the signal from the second position detector and does not receive the signal from the first position detector at a preset time interval, the controller is used for controlling the display to display that the sample bottle is transmitted in place, that is, the sample bottle is normally transmitted to the measurement position;
when the controller does not receive the signals of the first position detector and the second position detector at a preset time interval, the controller is used for controlling the display to display the clamping stagnation of the sample bottle in the transmission process;
when the controller receives signals of the first position detector and the second position detector at a preset time interval, the controller is used for controlling the display to display that the sample bottle is clamped by the clamping and positioning mechanism.
The controller is connected with the first position detector and the second position detector, and the controller is connected with the display. The controller is connected with the third position detector.
The utility model provides an automatic analysis positioning system, measuring chamber and pneumatic transmission pipeline are connected, to the receipt and the sending of sample bottle when can realizing the transmission of pneumatic sample conveying system, ensure the accurate positioning of automatic analysis in-process sample bottle at measuring position, characteristics such as installation, maintenance, change are convenient, and measuring chamber and moving mechanism's modularized design make the device installation, overhaul, change more convenient.
Drawings
Fig. 1 is a schematic structural diagram of an automatic analysis positioning system according to embodiment 2 of the present invention;
fig. 2 is a schematic structural diagram of a pneumatic transmission pipeline and a measurement chamber in embodiment 2 of the present invention;
fig. 3 is a schematic view of a positioning structure of a sample bottle in a measuring chamber in embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a moving mechanism in embodiment 2 of the present invention;
fig. 5 is a schematic structural view of a moving mechanism according to embodiment 2 of the present invention.
In the figure: 1. the measuring device comprises a measuring chamber, 2. a parallel gas claw, 3. a V-shaped finger, 4. a moving mechanism main body, 5. a first position detector, 6. a second position detector, 7. a connecting rod mechanism, 8. a moving rod, 9. a telescopic handle, 10. a first pipeline, 11. a third pipeline, 12. a locker, 13. a first detection hole, 14. a gas pipe, 15. a guide rod, 16. a positioning pin hole, 17. a handheld part, 18. a positioning pin, 19. a locker handle, 20. a positioning bolt, 21. a linear bearing sleeve, 22. a third position detector, 23. a position detector detection plate, 24. a sealing ring, 25. a first sealing element, 26. a second sealing element, 27. a pneumatic transmission pipeline, 28. a reducing part, 29. a pneumatic transmission pipeline opening, 30. an analysis measuring window, 31. a second detection hole, 32. a second pipeline, 33. a first finger, 34. a second finger and 35. a measuring chamber main body.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
The present embodiment provides an automatic analysis positioning system, including:
the pneumatic transmission pipeline is used for transmitting the sample bottles through air flow;
the measuring chamber is connected with the pneumatic transmission pipeline, the pneumatic transmission pipeline penetrates through the measuring chamber from top to bottom, a reducing part which is locally reduced and used for receiving the sample bottles is arranged on the pneumatic transmission pipeline outside the measuring chamber, a pneumatic transmission pipeline opening is arranged on the pneumatic transmission pipeline inside the measuring chamber, the pneumatic transmission pipeline opening is used for clamping and positioning the sample bottles when the clamping and positioning mechanism enters and exits the pneumatic transmission pipeline, and an analysis measuring window used for transmitting samples in the sample bottles in place is arranged on the pneumatic transmission pipeline;
the moving mechanism comprises a moving mechanism main body and a clamping and positioning mechanism which is arranged on the moving mechanism main body and used for clamping and positioning the sample bottle, and the moving mechanism is detachably connected with the measuring chamber;
the first position detector is arranged on the moving mechanism body, a first detection hole is correspondingly arranged on a pneumatic transmission pipeline in the measuring chamber, and when the moving mechanism is connected with the measuring chamber, the height of the first position detector is higher than the preset height of the sample bottle which is transmitted in place;
and the second position detector is arranged on the moving mechanism body, a second detection hole is correspondingly arranged on the pneumatic transmission pipeline in the measuring chamber, when the moving mechanism is connected with the measuring chamber, the height of the second position detector is positioned between the first position detector and the clamping and positioning mechanism, and the first position detector and the second position detector are used for monitoring whether the sample bottle is transmitted in place.
In the automatic analysis positioning system in the embodiment, the measuring chamber is connected with the pneumatic transmission pipeline, so that the receiving and sending of the sample bottles can be realized during the transmission of the pneumatic sample conveying system, the accurate positioning of the sample bottles at the measuring position in the automatic analysis process is ensured, and the automatic analysis positioning system has the characteristics of convenience in installation, maintenance, replacement and the like, and the modular design of the measuring chamber and the moving mechanism enables the device to be more convenient to install, maintain and replace.
Example 2
As shown in fig. 1 to 5, the present embodiment provides an automatic analysis positioning system, including:
a pneumatic transport pipe 27 for transporting the sample bottles by air flow; the pneumatic transmission pipeline 27 is externally connected with a pneumatic sample feeding system.
The measuring chamber 1 is connected with a pneumatic transmission pipeline 27, the pneumatic transmission pipeline 27 penetrates through the measuring chamber 1 from top to bottom, a diameter-reduced part 28 which is locally reduced and used for receiving a sample bottle is arranged on the pneumatic transmission pipeline 27 outside the measuring chamber 1, a pneumatic transmission pipeline opening 29 is arranged on the pneumatic transmission pipeline 27 in the measuring chamber 1, the pneumatic transmission pipeline opening 29 is used for clamping and positioning a sample bottle when a clamping and positioning mechanism enters and exits the pneumatic transmission pipeline 27, and an analysis and measurement window 30 used for transmitting a sample in the sample bottle in place is formed in the pneumatic transmission pipeline 27;
the moving mechanism comprises a moving mechanism main body 4 and a clamping and positioning mechanism which is arranged on the moving mechanism main body 4 and used for clamping and positioning the sample bottle, and the moving mechanism is detachably connected with the measuring chamber 1;
the first position detector 5 is arranged on the moving mechanism body 4, a first detection hole 13 is correspondingly arranged on a pneumatic transmission pipeline 27 in the measuring chamber 1, and when the moving mechanism is connected with the measuring chamber 1, the height of the first position detector 5 is higher than the preset height of the sample bottle which is transmitted in place;
and the second position detector 6 is arranged on the moving mechanism body 4, a second detection hole 31 is correspondingly arranged on the pneumatic transmission pipeline 27 in the measuring chamber 1, when the moving mechanism is connected with the measuring chamber 1, the height of the second position detector 6 is positioned between the first position detector 5 and the clamping and positioning mechanism, and the first position detector 5 and the second position detector 6 are used for monitoring whether the sample bottles are transmitted in place.
Specifically, in this embodiment, the sample bottle is transported from top to bottom in the pneumatic transport pipeline 27, the sample bottle falls to the reduced diameter portion 28, the size of the reduced diameter portion 28 of the pneumatic transport pipeline 27 in the measurement chamber 1 does not affect the amount of air required for pneumatic transport, so that the sample bottle can fall vertically without being stuck or inclined at the reduced diameter portion 28, the sample bottle is transported to a measurement position through the pneumatic sample transport system, that is, the sample bottle is transported to a position in place, that is, a position indicated by a line B-B in fig. 3, and the connecting pipeline between the line B-B and a line C-C is locally reduced in diameter, so that the sample bottle falls to the reduced diameter portion, and the sample bottle is received.
Preferably, the automatic analysis positioning system further comprises a locking mechanism which is arranged on the moving mechanism and the measuring chamber 1 and is in fit connection with each other, and the locking mechanism is used for locking the moving mechanism and the measuring chamber 1.
The locking mechanism includes: the locking device comprises a rotatable locking device 12 arranged on the measuring chamber 1, a locking device handle 19 connected with the locking device 12 and a positioning bolt 20 arranged on the moving mechanism body 4, wherein when the moving mechanism is in butt joint with the measuring chamber 1, the locking device 12 and the positioning bolt 20 are tightly pressed by the rotating locking device handle 19 to be locked. The locker handle 19 is a U-shaped lever handle, and both ends of the U-shaped lever handle are rotatably connected with the locker 12, respectively.
Preferably, the automatic analysis positioning system further comprises a sealing member disposed on the moving mechanism or the measuring chamber 1, and the moving mechanism is connected with the measuring chamber 1 in a sealing manner through the sealing member. Specifically, the sealing member in this embodiment is a seal ring 24, and the seal ring 24 is provided on the moving mechanism body 4.
The measuring chamber 1 and the moving mechanism are of modular design, and the pneumatic transmission pipeline 27 comprises: the device comprises a first pipeline 10, a second pipeline 32 and a third pipeline 11 which are sequentially connected, wherein the first pipeline 10 is located above a measuring chamber 1, the second pipeline 32 is located in the measuring chamber 1, the third pipeline 11 is located below the measuring chamber 1, the first pipeline 10 is externally connected with a pneumatic sample conveying pipeline, and the third pipeline 11 is externally connected with a pneumatic sample conveying air supply pipeline. The joints of the first pipeline 10, the second pipeline 32 and the third pipeline 11 are quick-change and sealing structures, so that the whole installation and the whole disassembly are convenient.
Preferably, the clamping and positioning mechanism includes: the V-shaped finger 3, the parallel gas claw 2 and the gas pipe 14 are used for clamping a sample bottle, the parallel gas claw 2 is connected with the V-shaped finger 3, the gas pipe 14 is connected with the parallel gas claw 2, the gas pipe 14 penetrates through the moving mechanism main body 4 to be connected with a gas source, the gas pipe 14 is used for providing power for the parallel gas claw 2, and the parallel gas claw 2 is opened and closed to drive the V-shaped finger 3 to loosen or clamp the sample bottle.
The V-shaped finger 3 comprises a first finger 33 and a second finger 34, the first finger 33 and the second finger 34 are fixedly connected in a V shape, and the first finger 33 and the second finger 34 are symmetrically arranged. When the V-shaped fingers 3 clamp the sample bottle, the two V-shaped fingers 3 are symmetrically arranged relative to the sample bottle, so that the sample bottle is not misplaced or deviated when being clamped, the center positioning of the sample bottle is realized, and the positioning precision is less than or equal to 0.1 mm. A V-shaped finger 3 operation space is reserved in a pneumatic transmission pipeline 27 in the measuring chamber 1.
The parallel gas claw 2 comprises a first gas claw and a second gas claw which are parallel to each other, the first gas claw and the second gas claw are respectively connected with a V-shaped finger 3, the V-shaped fingers 3 connected with the first gas claw and the V-shaped fingers 3 connected with the second gas claw are symmetrically distributed, and openings of the two V-shaped fingers 3 are opposite.
The position of the probe of the first position detector 5 is slightly higher than the position of the top end of the bottle cap of the sample bottle which is transmitted to the position, and the probe of the second position detector 6 is positioned between the first position detector 5 and the V-shaped finger 3.
The air pipe 14 is connected with the moving mechanism main body 4 in a sealing manner through a first sealing element 25, specifically, the first sealing element 25 comprises a first sealing ring and a first pressing joint arranged on the first sealing ring, and the first sealing ring is sleeved outside the air pipe 14.
Preferably, the clamping and positioning mechanism further comprises a valve arranged on the air pipe 14, the automatic analysis and positioning system further comprises a controller, the controller is connected with the valve, the controller is used for controlling the opening and closing of the valve to control the opening and closing of the parallel air claws 2, and the parallel air claws 2 are opened and closed to drive the V-shaped fingers 3 to loosen or clamp the sample bottle. Specifically, in this embodiment, the air tube 14 passes through the moving mechanism body 4 and is connected with the air source, the valve is an electromagnetic valve, and the controller controls the air flow by controlling the electromagnetic valve, and acts on the parallel air claw 2 to open and close and drives the V-shaped finger 3 to loosen or clamp the sample bottle.
After the sample bottle is normally transmitted in place, the second position detector 6 carries out center positioning detection on the sample bottle by measuring the distance from the sample bottle to the second position detector 6, and the signal is fed back to the controller to trigger the opening electromagnetic valve so that the V-shaped fingers 3 automatically clamp the sample bottle, the V-shaped fingers 3 are symmetrically arranged relative to the sample bottle, so that the sample bottle is not misplaced or deviated when being clamped, the center positioning of the sample bottle is realized, and the positioning precision is less than or equal to 0.1 mm. In fig. 3, a measurement area of the automatic analyzer is located between the line a-a and the line B-B, and the pneumatic transmission pipeline 27 may be provided with other types of analysis and measurement windows 30 such as a transmission window, but the airtightness of the pipeline is not affected, specifically, the analysis and measurement window 30 in this embodiment is a transmission window; after the analysis instrument finishes measuring, the controller controls to close the electromagnetic valve so that the V-shaped finger 3 automatically loosens the sample bottle, and the pneumatic sample conveying system reversely transmits the sample bottle to other analysis posts.
Preferably, the automatic analysis positioning system further comprises a manual positioning mechanism, and the manual positioning mechanism comprises: the motion rod 8, the linear bearing cover 21 of locating the motion rod 8 outside the cover, telescopic handle 9, link mechanism 7, the motion rod 8 passes moving mechanism main part 4, linear bearing cover 21 sets up on moving mechanism main part 4, the one end that is located the motion rod 8 outside moving mechanism main part 4 is connected with telescopic handle 9, the one end that is located the motion rod 8 in moving mechanism main part 4 is connected with link mechanism 7, link mechanism 7 is connected with V type finger 3, telescopic handle 9 drives motion rod 8 to remove when the push-and-pull, change the angle of link mechanism 7, act on V type finger 3 and realize the clamp of sample bottle and loosen. The method is used for manual intervention and source withdrawal in special cases. Specifically, the telescopic handle 9 is pulled relative to the moving mechanism body 4, and the V-shaped fingers 3 are clamped; the telescopic handle 9 is pushed, and the V-shaped fingers 3 are loosened.
The linear bearing housing 21 is connected to the moving mechanism body 4 through a second sealing member 26, specifically, the second sealing member 26 includes a second sealing ring and a second pressing joint disposed on the second sealing ring, and the second sealing member 26 is sleeved outside the linear bearing housing 21.
The whole measuring chamber 1 and the moving mechanism are of an airtight structure after being locked, and sealing is achieved through a sealing ring 24.
Preferably, the manual positioning mechanism further comprises a third position detector 22 arranged on the linear bearing housing 21 and a position detector detection plate 23 arranged on the telescopic handle 9, and the telescopic handle 9 moves to drive the position detector detection plate 23 to move to trigger the third position detector 22 for detecting the working state of the V-shaped finger 3. Therefore, the sample bottle can be clamped or loosened manually under special conditions such as faults and the like, and manual intervention and source removal are facilitated.
Preferably, the third position detector 22 is any one of a fiber optic sensor, a laser sensor, or an ultrasonic sensor. Specifically, the third position detector 22 in the present embodiment is a laser sensor.
Preferably, the measuring chamber 1 comprises: a measuring chamber body 35, a guide rod 15 and a positioning pin hole 16 which are arranged on the end surface of the measuring chamber body 35;
the moving mechanism further includes: and a positioning pin 18 provided on an end surface of the moving mechanism body 4 and inserted into the positioning pin hole 16.
Specifically, the end surface of the measuring chamber main body 35 in this embodiment is provided with two parallel guide rods 15 and two positioning pin holes 16, and the end surface of the moving mechanism main body 4 is provided with two positioning pins 18.
Preferably, the automatic analysis positioning system further includes a hand-held portion 17 provided on the moving mechanism body 4, and the hand-held portion 17 is used for holding the moving mechanism. Specifically, the hand-held portion 17 is provided above the moving mechanism body 4, and the hand-held portion 17 is a handle.
The moving mechanism body 4 is placed on the parallel guide rod 15 through the handle, the moving mechanism body 4 is pushed, the positioning pin 18 on the moving mechanism body 4 is inserted into the positioning pin hole 16 of the measuring chamber 1, the locker handle 19 is pressed downwards, the locker 12 is locked with the positioning bolt 20 on the moving mechanism body 4, and the measuring chamber 1 is fixed with the moving mechanism body 4. When the device is disassembled, the locker handle 19 is lifted upwards to separate the measuring chamber 1 from the moving mechanism main body 4, so that the moving mechanism main body 4 can be rapidly installed and disassembled, and the parts on the moving mechanism main body 4 can be conveniently overhauled and replaced.
Preferably, the first position detector 5 and/or the second position detector 6 is any one of a fiber optic sensor, a laser sensor, or an ultrasonic sensor. Specifically, the first position detector 5 and the second position detector 6 in the present embodiment are laser sensors.
Preferably, the automatic analysis positioning system further comprises a controller, when the controller receives the signal from the second position detector 6 and does not receive the signal from the first position detector 5 at a preset time interval, the controller monitors that the sample bottle is normally transmitted to the measurement position, and the controller controls the clamping and positioning mechanism to clamp and position the sample bottle.
Otherwise, the controller does not control the clamping and positioning mechanism to clamp and position the sample bottle.
Preferably, the automatic analysis positioning system further comprises a display, and when the controller receives the signal from the second position detector 6 and does not receive the signal from the first position detector 5 at a preset time interval, the controller is used for controlling the display to display that the sample bottle is transmitted in place, that is, the sample bottle is normally transmitted to the measurement position;
when the controller does not receive the signals of the first position detector 5 and the second position detector 6 at a preset time interval, the controller is used for controlling the display to display the clamping stagnation of the sample bottle in the transmission process;
when the controller receives signals of the first position detector 5 and the second position detector 6 at a preset time interval, the controller is used for controlling the display to display that the sample bottle is blocked by the V-shaped finger 3 and does not normally fall to the measuring position.
The controller is connected to the first position detector 5 and the second position detector 6, and the controller is connected to the display. The controller is connected to a third position detector 22.
In this embodiment, the measuring chamber 1 is connected to a pneumatic transmission pipeline 27, and has a sample bottle receiving and sending function; the automatic, accurate and central positioning of the measurement post of the sample bottle when the sample bottle is transmitted in place is realized through the first position detector 5, the second position detector 6, the V-shaped finger 3 and the parallel gas claw 2, and the device has the advantages of high positioning precision, stable positioning operation and good positioning repeatability; under special conditions such as faults, the V-shaped finger 3 is locked and released through the link mechanism 7, the moving rod 8 and the telescopic handle 9 and used for manual intervention and source removal; the modular design of the measuring chamber 1 and the moving mechanism enables the device to be more convenient to install, overhaul and replace.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (13)
1. An automated analytical positioning system, comprising:
the pneumatic transmission pipeline is used for transmitting the sample bottles through air flow;
the measuring chamber is connected with the pneumatic transmission pipeline, the pneumatic transmission pipeline penetrates through the measuring chamber from top to bottom, a reducing part which is locally reduced and used for receiving the sample bottles is arranged on the pneumatic transmission pipeline outside the measuring chamber, a pneumatic transmission pipeline opening is arranged on the pneumatic transmission pipeline inside the measuring chamber, the pneumatic transmission pipeline opening is used for clamping and positioning the sample bottles when the clamping and positioning mechanism enters and exits the pneumatic transmission pipeline, and an analysis measuring window used for transmitting samples in the sample bottles in place is arranged on the pneumatic transmission pipeline;
the moving mechanism comprises a moving mechanism main body and a clamping and positioning mechanism which is arranged on the moving mechanism main body and used for clamping and positioning the sample bottle, and the moving mechanism is detachably connected with the measuring chamber;
the first position detector is arranged on the moving mechanism body, a first detection hole is correspondingly arranged on a pneumatic transmission pipeline in the measuring chamber, and when the moving mechanism is connected with the measuring chamber, the height of the first position detector is higher than the preset height of the sample bottle which is transmitted in place;
and the second position detector is arranged on the moving mechanism body, a second detection hole is correspondingly arranged on the pneumatic transmission pipeline in the measuring chamber, when the moving mechanism is connected with the measuring chamber, the height of the second position detector is positioned between the first position detector and the clamping and positioning mechanism, and the first position detector and the second position detector are used for monitoring whether the sample bottle is transmitted in place.
2. The automated analytical positioning system of claim 1, further comprising a locking mechanism disposed on the moving mechanism and the measuring chamber in mating engagement with each other, the locking mechanism being configured to lock the moving mechanism and the measuring chamber.
3. The automated analytical positioning system of claim 1, further comprising a seal disposed on the movement mechanism or the measurement chamber, the movement mechanism and the measurement chamber being sealingly connected by the seal.
4. The automated analytical positioning system of claim 1, wherein the clamp positioning mechanism comprises: the air pipe is used for providing power for the parallel air claws, and the parallel air claws open and close to drive the V-shaped fingers to loosen or clamp the sample bottle.
5. The automatic analysis positioning system of claim 4, wherein the clamping and positioning mechanism further comprises a valve disposed on the air tube, and the automatic analysis positioning system further comprises a controller, wherein the controller is connected with the valve and is used for controlling the opening and closing of the valve to control the opening and closing of the parallel air jaws, and the parallel air jaws open and close to drive the V-shaped fingers to loosen or clamp the sample bottle.
6. The automated analytical positioning system of claim 4, further comprising a manual positioning mechanism, the manual positioning mechanism comprising: the motion rod, the sleeve of the linear bearing outside the motion rod is arranged in the cover, the telescopic handle and the link mechanism, the motion rod penetrates through the moving mechanism body, the linear bearing sleeve is arranged on the moving mechanism body, one end of the motion rod outside the moving mechanism body is connected with the telescopic handle, one end of the motion rod inside the moving mechanism body is connected with the link mechanism, the link mechanism is connected with the V-shaped finger, the telescopic handle drives the motion rod to move when being pushed and pulled, the angle of the link mechanism is changed, and the motion rod acts on the V-shaped finger to clamp and loosen a sample bottle.
7. The automatic analyzing and positioning system of claim 6, wherein the manual positioning mechanism further comprises a third position detector disposed on the linear bearing housing, and a position detector detecting plate disposed on the retractable handle, wherein the retractable handle moves to drive the position detector detecting plate to move to trigger the third position detector for detecting the operating state of the V-shaped finger.
8. The automated analytical positioning system of claim 7, wherein the third position detector is any one of a fiber optic sensor, a laser sensor, or an ultrasonic sensor.
9. The automated analytical positioning system of claim 1, wherein the measurement chamber comprises: the measuring chamber comprises a measuring chamber main body, a guide rod and a positioning pin hole, wherein the guide rod and the positioning pin hole are arranged on the end surface of the measuring chamber main body;
the moving mechanism further includes: and the positioning pin is arranged on the end surface of the moving mechanism main body and is used for being inserted into the positioning pin hole.
10. The automated analytical positioning system of claim 1, further comprising a hand-held portion provided to the moving mechanism body, the hand-held portion being configured to hold the moving mechanism in hand.
11. The automated analytical positioning system of claim 1, wherein the first position detector and/or the second position detector is any one of a fiber optic sensor, a laser sensor, or an ultrasonic sensor.
12. The automatic analysis positioning system according to any one of claims 1 to 4 and 6 to 11, further comprising a controller, wherein when the controller receives the signal from the second position detector and does not receive the signal from the first position detector at a predetermined time interval, the controller monitors that the sample bottle is normally transferred to the measurement position, and the controller controls the clamping and positioning mechanism to clamp and position the sample bottle.
13. The automated analytical positioning system of claim 12, further comprising a display, wherein the controller is configured to control the display to show that the sample vial is in place when the controller receives the signal from the second position detector and does not receive the signal from the first position detector at a predetermined time interval;
when the controller does not receive the signals of the first position detector and the second position detector at a preset time interval, the controller is used for controlling the display to display the clamping stagnation of the sample bottle in the transmission process;
when the controller receives signals of the first position detector and the second position detector at a preset time interval, the controller is used for controlling the display to display that the sample bottle is clamped by the clamping and positioning mechanism.
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| CN202021080784.0U CN212693798U (en) | 2020-06-12 | 2020-06-12 | Automatic analysis positioning system |
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| CN202021080784.0U CN212693798U (en) | 2020-06-12 | 2020-06-12 | Automatic analysis positioning system |
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