CN111562403A - Control device and automatic sampling system for closed space - Google Patents
Control device and automatic sampling system for closed space Download PDFInfo
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- CN111562403A CN111562403A CN202010678295.3A CN202010678295A CN111562403A CN 111562403 A CN111562403 A CN 111562403A CN 202010678295 A CN202010678295 A CN 202010678295A CN 111562403 A CN111562403 A CN 111562403A
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- 238000005070 sampling Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction 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
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0403—Sample carriers with closing or sealing means
- G01N2035/0405—Sample carriers with closing or sealing means manipulating closing or opening means, e.g. stoppers, screw caps, lids or covers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0474—Details of actuating means for conveyors or pipettes
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a control device and an automatic sampling system for a closed space, wherein the control device for the closed space comprises: the bearing piece comprises a body and a plurality of bearing units arranged on the body in an array distribution manner, each bearing unit comprises a through hole and a positioning groove, the pipe body is suitable for being accommodated in the through hole, and the second extending part of the cover body is suitable for being clamped in the positioning groove; the first moving piece moves up and down under the driving of the first driving mechanism; the clamping mechanism is used for clamping and releasing the pipe body driven by the first moving part to move upwards; the two-dimensional moving mechanism drives the bearing part or the first moving part to enable the first moving part to be positioned at the lower side of any through hole; the second moving piece is arranged on the upper side of the clamping mechanism and is suitable for fixing the first extending part of the cover body, and the second driving mechanism drives the second moving piece to move; the rotating mechanism drives the second moving part to rotate forwards and backwards. The invention has the advantages of automation, small volume and the like.
Description
Technical Field
The invention relates to sample introduction, in particular to a control device of a closed space and an automatic sample introduction system.
Background
At present, carry out the sample in-process to the reagent of sealing up in the body, for preventing that the body is interior reagent volatilizees, it is rotten, can adopt the lid to carry out reagent sealed storage or take the open mode of body for the automation. In the manual sample of treating the test agent, need artifical manual opening the lid, make the sample cell stretch into the internal sample of body simultaneously, later recycle lid seal body. In current automation equipment, the body does not generally adopt the lid to seal, or adopts the rubber buffer to seal, and it carries out position movement to drive the steel needle through three-dimensional removal module, and the steel needle punctures the rubber buffer and carries out sampling operation. The existing method has many defects, such as:
1. the cover body is opened manually, so that the efficiency is low, the cover body can contact with an object to be detected, and the safety is poor;
2. the manual sampling amount cannot be accurately controlled, and the repeated positioning precision is poor;
3. the open tube body can cause the volatilization and oxidation of the reagent;
4. the rubber stopper can not satisfy the use requirements that the sampling unit is soft, brittle material, etc.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides an automatic control device for a closed space with small volume.
The purpose of the invention is realized by the following technical scheme:
a control device for a closed space is formed in a pipe body with an opening at one end and a closed end, and a cover body of the pipe body is provided with a first extending part and a second extending part which extend to the outer side of the pipe body; the control device of the enclosed space comprises:
the bearing part comprises a body and a plurality of bearing units arranged on the body in an array distribution manner, each bearing unit comprises a through hole and a positioning groove, the pipe body is suitable for being accommodated in the through hole, and the second extending part is suitable for being clamped in the positioning groove;
the first moving part is driven by the first driving mechanism to move up and down;
the clamping mechanism is used for clamping and loosening the pipe body driven by the first moving part to move upwards;
the two-dimensional moving mechanism drives the bearing part or the first moving part to enable the first moving part to be positioned at the lower side of any through hole;
the second moving part is arranged on the upper side of the clamping mechanism and is provided with a fixing part suitable for fixing the first extending part, and the second driving mechanism drives the second moving part to move;
a rotation mechanism that drives the second moving member to rotate forward and backward.
According to the control device of the closed space, preferably, in the first direction, the plurality of through holes are arranged adjacently in sequence, and the plurality of positioning grooves are arranged adjacently in sequence; in the second direction, a through hole is arranged between any two adjacent positioning grooves; the included angle between the first direction and the second direction is a right angle or an acute angle.
According to the control device of the enclosed space, optionally, the clamping mechanism comprises:
a first portion having a first grip portion that mates with the outer wall of the tubular body;
a second portion having a second grip portion that mates with the outer wall of the tube;
the first part and the second part are respectively arranged on the guide rail, the first clamping part and the second clamping part which move oppositely extrude the pipe body, and the first clamping part and the second clamping part which move oppositely loosen the pipe body;
a bracket carrying the guide rail.
According to the control device of the enclosed space, optionally, the control device of the enclosed space further comprises:
and the second extending part moving up and down is suitable for being positioned in the limiting groove, and the limiting groove is arranged on the support and is arranged on the upper side of the bearing part.
According to the control device of the enclosed space, optionally, the rotating mechanism comprises:
the arc-shaped guide rail is arranged on the second part and is positioned on the upper side of the second clamping part, and the second moving part is arranged on the arc-shaped guide rail.
According to the control device of the enclosed space, preferably, the arc-shaped guide rail adopts an arc-shaped sliding table or an arc-shaped waist-shaped hole.
According to the control device of the closed space, preferably, the tube body and the cover body are integrated, and the second extending portion is a connecting hinge between the tube body and the cover body.
According to the control device of the closed space, the rotation angle of the second moving member is preferably not less than 90 degrees.
The invention also aims to provide an automatic sample introduction system applying the control device of the closed space, and the invention aims to be realized by the following technical scheme:
an automatic sampling system comprises a sampling unit and a moving platform, wherein the sampling unit moves in two dimensions along with the moving platform, and the two-dimensional movement comprises up-and-down movement; the automatic sampling system further comprises:
the rotating unit is arranged on the moving platform, and the sampling unit rotates forwards and backwards under the driving of the rotating unit;
the control device of the closed space adopts the control device of the closed space; the bearing piece and the sampling unit move relatively, so that the sampling unit moving along with the moving platform is suitable for being positioned on the upper side of any through hole and moving up and down.
According to the automatic sampling system, preferably, the rotation plane of the sampling unit is perpendicular to the vertical two-dimensional moving plane of the moving platform.
Compared with the prior art, the invention has the beneficial effects that:
this patent application has studied the characteristics of current body and lid: the lid has the extension that extends to outside the body of pipe to pertinence has been proposed high flux and has been born the carrier, makes the extending direction of the lid of body upper end unanimous in each through-hole, does benefit to the fixed and rotation between second moving member and lid (only need the translation to need not the rotation can realize the fixed of second moving member and lid), lays the basis for the automation of control and sample. Based on this, the following are achieved:
1. automatic control is realized, and the efficiency is high;
the upward movement and fixation of the tube body and the rotation of the cover body are realized by utilizing various moving mechanisms, so that the automatic operation is realized, the manual operation is not needed, and the control and sampling efficiency is correspondingly improved;
2. the volume is small;
the two-dimensional movement of the bearing part, the relative fixation of the clamping mechanism and the second moving part and the two-dimensional moving platform are adopted, the use of a complex three-dimensional moving mechanism is avoided, and the volumes of the device and the system are reduced;
in view of the consistent extending direction of the cover body corresponding to each pipe body on the bearing piece, the fixed connection of the second connecting piece and the cover body can be realized only by translating the second moving piece without rotating the second moving piece, so that the volume of the device is reduced;
the clamping mechanism and the second moving piece move synchronously, clamping of the pipe body and connection of the second connecting piece and the cover body are achieved simultaneously, working efficiency is high, the structure is compact, and the required size is small;
3. the stability is good;
during the up-and-down movement of the pipe body, one end of the cover body is always connected with the pipe body, the limiting groove ensures the vertical movement of the pipe body, so that the accurate connection of the second moving part and the cover body is ensured, and when the pipe body returns, the second extending part is accurately clamped into the positioning groove, so that the adverse effect that the outward protruding non-return pipe body and the cover body touch the clamping mechanism to cause the incapability of clamping other pipe bodies is avoided;
4. high flux;
the array design of the bearing units improves the subsequent detection flux;
5. safety;
the cover body does not need to be operated manually, so that the contact with an object to be measured in the tube body is effectively avoided, and the safety is improved.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only for illustrating the technical solutions of the present invention and are not intended to limit the scope of the present invention. In the figure:
fig. 1 is a schematic structural view of a control device for an enclosed space according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a carrier according to an embodiment of the invention;
FIG. 3 is a schematic structural view of a tube and a cap according to an embodiment of the present invention;
FIG. 4 is a partially enlarged schematic view according to the state of part A in FIG. 1;
FIG. 5 is a partially enlarged schematic view of another state according to portion A of FIG. 1;
fig. 6 is a schematic structural diagram of an automatic sample injection system according to an embodiment of the invention.
Detailed Description
Fig. 1-6 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and use the invention. Some conventional aspects have been simplified or omitted for the purpose of illustrating the technical solutions of the present invention. Those skilled in the art will appreciate that variations or substitutions from these embodiments will be within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Thus, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Example 1:
fig. 1 is a schematic view showing a configuration of a control apparatus for an enclosed space according to embodiment 1 of the present invention, and as shown in fig. 1, the control apparatus for an enclosed space includes:
the carrier 2, as shown in fig. 2, includes a body and a plurality of carrier units arranged on the body in an array, where the carrier units include through holes 201 and positioning grooves 202;
as shown in fig. 3, the closed space is formed in a tube 91 having an open end and a closed end, and the cover 90 of the tube 91 has a first extension 92 and a second extension 93 extending to the outside of the tube 91; if the tube 91 and the cover 90 are integrated, the second extension 93 is a connection hinge between the tube 91 and the cover 90; the tube 91 is adapted to be received in the through hole 201, and the second extending portion 93 is adapted to be clamped in the positioning groove 202;
a first moving member 410 and a first driving mechanism 409, wherein the first moving member 410 moves up and down by the first driving mechanism 409;
a gripping mechanism, as shown in fig. 4 and 5, for gripping and releasing the pipe body 91 driven to move upward by the first moving member 410, such as by co-pressing the pipe body 91 with two members, thereby gripping the pipe body 91;
a two-dimensional moving mechanism 1, wherein the two-dimensional moving mechanism 1 drives the carrier 2 or the first moving member 410, and the first moving member 410 is positioned at the lower side of any one of the through holes 201, so as to move upwards against the pipe body 91;
a second moving member 408 and a second driving mechanism 401, wherein the second moving member 408 is disposed on the upper side of the clamping mechanism, and has a fixing portion 400 adapted to fix the first extending portion 92, for example, a groove adapted to be clamped by the first extending portion 92, and the second driving mechanism 401 drives the second moving member 408 to move, so that the second moving member 408 is fixed with the cover 90, for example, the second moving member 408 is fixedly connected with the cover 90 when moving forward, and the cover 90 is released when moving backward;
a rotating mechanism which drives the second moving member 408 to rotate forward and backward.
In order to ensure that the second moving member 408 can be fixed with the cover 90 without rotating, further, in the first direction, the plurality of through holes 201 are sequentially and adjacently arranged, and the plurality of positioning grooves 202 are sequentially and adjacently arranged; in the second direction, a through hole is formed between any two adjacent positioning grooves 202, so that the extending directions of the cover body 90 on each pipe body 91 are the same, if the second extending portions 93 are all located on the right side of the pipe body 91, the first extending portions 92 are located on the left side of the pipe body 91; the included angle between the first direction and the second direction on the horizontal plane is a right angle or an acute angle.
For accurate, reliable fixed body, further, fixture includes:
a first portion 403, the first portion 403 having a first gripping portion, such as an arcuate first gripping portion, that mates with the outer wall of the tubular body 91;
a second portion 405, the second portion 405 having a second grip portion, such as an arcuate second grip portion, that mates with the outer wall of the tubular body 91;
a guide rail on which the first and second portions 403 and 405 are respectively disposed, the first and second clamping portions moving toward each other press the pipe body 91 to clamp the pipe body 91, and the first and second clamping portions moving away from each other release the pipe body 91;
a bracket carrying the guide rail.
In order to prevent the tube 91 from moving upwards in a rotating manner, and ensure that the tube 91 can only move vertically up and down, and further ensure that the second moving member 408 is accurately fixed with the cover 90, further, the control device for the enclosed space further comprises:
the limiting groove 3 and the second extending part 93 which moves up and down are suitable for being positioned in the limiting groove 3, and the limiting groove 3 is arranged on the bracket and is arranged on the upper side of the bearing part 2.
In order to realize that the clamping of the pipe body 91 and the fixing of the cover body 90 are simultaneously performed to improve the control efficiency, further, the rotating mechanism includes:
an arc-shaped guide rail 406, such as an arc-shaped sliding table or an arc-shaped waist-shaped hole, is disposed on the second portion 405 and is located on the upper side of the second clamping portion, and the second moving member 408 is disposed on the arc-shaped guide rail 406, so that the second moving member 408 and the second portion 405 move synchronously, and the second moving member 408 and the cover body 90 are fixed (loosened) while the second portion 405 clamps (loosens) the pipe body 91.
In order to prevent the second moving member 408 and the cover 90 from affecting the sampling of the object to be measured in the tube 91, further, the rotation angle of the second moving member 408 is not less than 90 degrees.
Example 2:
an example of application of the control device for a closed space according to embodiment 1 of the present invention to an automatic sampling system.
In this application example, as shown in fig. 1 and 6, the automatic sampling system includes:
the sampling device comprises a sampling unit 71 and a moving platform 5, wherein the sampling unit 71 moves in two dimensions along with the moving platform 5, the two-dimensional movement comprises up-and-down movement and left-and-right movement relative to a support in a control device, and the back-and-forth movement relative to the support does not exist; the sampling unit 71 is a prior art in the field, and the specific structure and operation thereof are not described herein;
the rotating unit 6 is arranged on the moving platform 5, the sampling unit 71 is driven by the rotating unit 6 to rotate in the forward direction and the reverse direction, and the sampling unit 71 is superposed and rotated on the basis of two-dimensional movement, so that the pure forward and backward movement does not exist; the rotation plane of the sampling unit 71 is perpendicular to the vertical two-dimensional moving plane of the moving platform 5;
a control device for a closed space, which is the control device for a closed space in embodiment 1;
the carrier 2 and the sampling unit 71 move relatively, so that when the sampling unit 71 is rotated to the vertical direction, the moving platform 5 moves up and down on the upper side of any through hole 201, and if the moving platform moves down, the moving platform extends into the tube 91 with the cover body 90 opened to sample, and moves up and leaves the upper side of the through hole 201, so that the cover body 90 leaving the upper end opening of the tube 91 can close the upper end opening again.
Example 3:
an application example of the automatic sampling system according to invention embodiment 2.
In this application example, as shown in fig. 1, 2 and 3, the tube 91 and the cover 90 are integrally formed as a plastic piece, the cover 90 is adapted to be clamped into the open end of the tube 91, and the second extending portion 93 is a connecting hinge between the tube 91 and the cover 90; from top to bottom, the outer diameter of the tube 91 is smaller, and correspondingly, the inner diameter is also smaller; the outer diameter of the open end is larger than the inner diameter of the through hole 201;
as shown in fig. 2 and 3, the carrier 2 includes a body and a plurality of carrier units disposed on the body and distributed in an array, where the carrier units include through holes 201 and positioning grooves 202; in the first direction, the through holes 201 are sequentially and adjacently arranged, and the positioning grooves 202 are sequentially and adjacently arranged; in the second direction, a through hole 201 is arranged between any two adjacent positioning grooves 202; when the pipe bodies 91 are positioned in the through holes 201 and the second extending parts 93 are clamped in the positioning grooves 202, the extending directions of the cover body 90 on each pipe body 91 are consistent, the second extending parts 93 are positioned on the right side of the pipe bodies 91, the first extending parts 92 are positioned on the left side of the pipe bodies 91, and the parts of the second extending parts 93 and the cover body 90 clamped in the opening ends and the first extending parts 92 are sequentially arranged; an included angle between the first direction and the second direction in the horizontal plane is a right angle; the length of the pipe body 91 is greater than the depth of the through hole 201, and when the pipe body 91 is positioned in the through hole 201, the bottom end of the pipe body 91 is positioned outside the through hole 201 and at the lower side of the body;
as shown in fig. 1, the first moving member 410 and the first driving mechanism 409, the first moving member 410 can only vertically move up and down under the driving of the first driving mechanism 409; the first driving mechanism 409 adopts a motor and is fixed on the bracket;
as shown in fig. 4 and 5, a chucking mechanism, comprising: the first portion 403 has an arc-shaped first clamping portion matching the outer wall of the pipe body 91; the second portion 405 has an arcuate second grip portion that mates with the outer wall of the tubular body 91; the first part 403 and the second part 405 are respectively arranged on a horizontal guide rail, a first clamping part and a second clamping part which move oppositely press the pipe body 91 to clamp the pipe body 91, and the first clamping part and the second clamping part which move oppositely release the pipe body 91; the horizontal guide rail is arranged on the bracket; the second drive mechanism 401, which employs motorized jaws, drives the first portion 403 and the second portion 405 in opposite directions;
as shown in fig. 1 and 2, the two-dimensional moving mechanism 1 being disposed on a support, and driving the carrier 2 to move two-dimensionally in a horizontal plane by using a screw manner, so that the first moving member 410 is located at a lower side of any one of the through holes 201, and thus moves upward against the pipe 91; the two-dimensional moving mechanism 1 is the prior art, and the specific structure and the working mode are not described herein again;
as shown in fig. 1, 4 and 5, a second moving member 408 and a second driving mechanism 401, wherein the second moving member 408 is disposed on the upper side of the second portion 405, is connected to the second portion 405, and moves horizontally in synchronization with the second portion 405; the second moving part 408 has a fixing portion 400 adapted to fix the first extending portion 92, and a groove adapted to be clamped by the first extending portion 92 is adopted, the second driving mechanism 401 drives the second portion 405 and the second moving part 408 to synchronously move and move forward and horizontally, while the second moving part 408 is fixedly connected with the cover body 90, the second portion 405 and the first portion 403 clamp the pipe body 91; the horizontal movement is reversed, the second moving member 408 releases the cover 90, and simultaneously, the second part 405 and the first part 403 release the pipe body 91;
a rotating mechanism comprising an arc-shaped guide rail 406 and a power mechanism 404; the arc-shaped guide rail 406 adopts an arc-shaped waist-shaped hole, one end of the second moving part 408 penetrates through the arc-shaped waist-shaped hole and is connected with the power mechanism 404, the power mechanism 404 drives the second moving part 408 to rotate forwards and backwards along the arc-shaped waist-shaped hole, and the angle of the forward rotation and the reverse rotation is not less than 90 degrees; the power mechanism 404 drives the second moving member 408 to rotate, which is a technique in the art, for example, a motor drives a rotating arm to rotate, and the rotating arm is connected to the second moving member 408;
the limiting groove 3 is suitable for being positioned in the limiting groove 3, and the second extending part 93 which moves up and down is arranged on the bracket and is arranged on the upper side of the bearing part 2;
the bracket is also provided with a code scanning unit 402 which is used for identifying a bar code or a two-dimensional code which is on one side of the cover body 90 and corresponds to the object to be detected one by one;
as shown in fig. 6, the sampling unit 71 moves two-dimensionally along with the moving platform 5, and the two-dimensional movement includes up and down movement and left and right movement relative to the support, for example, by using a combination of a belt, a driving wheel and a driven wheel, there is no back and forth movement relative to the support; the sampling unit is the prior art in the field, for example, the end of the sampling unit 71 is provided with a sampling needle 72 for sampling, and the specific structure and working mode are not described herein again;
the rotating unit 6 adopts a motor and is arranged on the moving platform 5, the sampling unit 71 is driven by the rotating unit 6 to rotate in the forward direction and the reverse direction, and the sampling unit 71 is superposed and rotated on the basis of two-dimensional movement, and even then, the pure forward and backward movement does not exist; the rotation plane of the sampling unit 71 is perpendicular to the vertical two-dimensional moving plane of the moving platform 5.
As can be seen from the above, in this application example, the carrier 2 and the rotating unit 6 both move in two dimensions, the first moving member 410, the first portion 403 and the second portion 405 all move in one dimension, and the second moving member 408 moves and rotates in one dimension at different times, which reduces the structural complexity of the system and improves the operational reliability.
Example 4:
an application example of the automatic sampling system according to embodiment 2 of the present invention is different from embodiment 3 in that:
1. one end of the cover body is sleeved outside the pipe body and is positioned at the lower side of the opening end, and the cover body is not integrally formed;
2. the moving platform is provided with a double-mechanism for left and right movement, and one left and right movement mechanism is superposed with the other left and right movement mechanism, so that the occupied volume is small and the stroke is long;
3. the first part and the second part are driven by a screw;
4. on the carrier, the included angle between the first direction and the second direction in the horizontal plane is an acute angle, such as 80 degrees, 60 degrees, 45 degrees.
The above embodiment exemplarily shows that the second driving mechanism adopts the electric clamping jaw and the screw rod respectively, but the following mechanisms can be adopted: the second driving mechanism comprises a motor, a driving wheel, a driven wheel and a belt, wherein the motor, the driving wheel, the driven wheel and the belt are arranged on the support, the first part is connected with the driving wheel and the belt on the upper side of the driven wheel, and the second part is connected with the driving wheel and the belt on the lower side of the driven wheel, so that the moving directions of the first part and the second part are opposite all the time.
Claims (10)
1. A control device for a closed space is formed in a pipe body with an opening at one end and a closed end, and a cover body of the pipe body is provided with a first extending part and a second extending part which extend to the outer side of the pipe body; characterized in that the control device of the enclosed space comprises:
the bearing part comprises a body and a plurality of bearing units arranged on the body in an array distribution manner, each bearing unit comprises a through hole and a positioning groove, the pipe body is suitable for being accommodated in the through hole, and the second extending part is suitable for being clamped in the positioning groove;
the first moving part is driven by the first driving mechanism to move up and down;
the clamping mechanism is used for clamping and loosening the pipe body driven by the first moving part to move upwards;
the two-dimensional moving mechanism drives the bearing part or the first moving part to enable the first moving part to be positioned at the lower side of any through hole;
the second moving part is arranged on the upper side of the clamping mechanism and is provided with a fixing part suitable for fixing the first extending part, and the second driving mechanism drives the second moving part to move;
a rotation mechanism that drives the second moving member to rotate forward and backward.
2. The control device for an enclosed space according to claim 1, wherein: in the first direction, the through holes are sequentially and adjacently arranged, and the positioning grooves are sequentially and adjacently arranged; in the second direction, a through hole is arranged between any two adjacent positioning grooves; the included angle between the first direction and the second direction is a right angle or an acute angle.
3. The control device for an enclosed space according to claim 1, wherein: the fixture includes:
a first portion having a first grip portion that mates with the outer wall of the tubular body;
a second portion having a second grip portion that mates with the outer wall of the tube;
the first part and the second part are respectively arranged on the guide rail, the first clamping part and the second clamping part which move oppositely extrude the pipe body, and the first clamping part and the second clamping part which move oppositely loosen the pipe body;
a bracket carrying the guide rail.
4. A control device for an enclosed space according to claim 3, wherein: the control device of the enclosed space further comprises:
and the second extending part moving up and down is suitable for being positioned in the limiting groove, and the limiting groove is arranged on the support and is arranged on the upper side of the bearing part.
5. A control device for an enclosed space according to claim 3, wherein: the rotating mechanism includes:
the arc-shaped guide rail is arranged on the second part and is positioned on the upper side of the second clamping part, and the second moving part is arranged on the arc-shaped guide rail.
6. The control device for an enclosed space according to claim 5, wherein: the arc guide rail adopts an arc sliding table or an arc waist-shaped hole.
7. The control device for an enclosed space according to claim 1, wherein: the pipe body and the cover body are integrated, and the second extending part is a connecting hinge between the pipe body and the cover body.
8. The control device for an enclosed space according to claim 1, wherein: the rotating angle of the second moving part is not less than 90 degrees.
9. An automatic sampling system comprises a sampling unit and a moving platform, and is characterized in that the sampling unit moves in two dimensions along with the moving platform, and the two-dimensional movement comprises up-down movement; the automatic sampling system further comprises:
the rotating unit is arranged on the moving platform, and the sampling unit rotates forwards and backwards under the driving of the rotating unit;
a control device for an enclosed space, which employs the control device for an enclosed space according to any one of claims 1 to 8; the bearing piece and the sampling unit move relatively, so that the sampling unit moving along with the moving platform is suitable for being positioned on the upper side of any through hole and moving up and down.
10. The automated sampling system of claim 9, wherein: the rotation surface of the sampling unit is perpendicular to the vertical two-dimensional moving surface of the moving platform.
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