CN103884539A - Sample Analysis Device - Google Patents
Sample Analysis Device Download PDFInfo
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- CN103884539A CN103884539A CN201310682582.1A CN201310682582A CN103884539A CN 103884539 A CN103884539 A CN 103884539A CN 201310682582 A CN201310682582 A CN 201310682582A CN 103884539 A CN103884539 A CN 103884539A
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- suction tube
- cleaning part
- sample
- washing lotion
- analyzing device
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- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a sample analysis device which can not make the plastic deformation of a suction tube in the process of dawing a sample conducted by staff and is a small cheap device to effectively clean the suction tube. The sample analysis device has a suction tube (34) prepared from super elastic metal and dawing the sample from a sample vessel, an analysis section analyzing the drew sample, a predesignated position set in a box body, a semi fixed cleaning department (40) guiding the suction tube (34) from a mortar-like shape opening part to the inside to clean, a move/stop mechanism moving/stoping the suction tube (34) and making the suction tube move between the drew sample's first location of the sample vessel and a second location corresponding to the opening part of the cleaning department.
Description
Technical field
The present invention relates to a kind of analyzing device of the sample such as blood, urine to analyze that draw.
Background technology
In analyzing device in the past, be by reviewer under the state of the hand-held sampling receptacle that sample is housed, suction tube is imported in sampling receptacle from the front end that is exposed to the suction tube casing.In this case, attract the suction tube of sample to be mostly stainless steel from sampling receptacle.Adopt such structure, there will be in the problem to suction tube generation plastic yield in importing the process to attract sample in sampling receptacle by suction tube.
To this, known have a device (with reference to patent documentation 1) of being made up suction tube of superelastic metal.Utilize this structure, eliminated the problem of suction tube generation plastic yield.But in the case of the device described in this patent documentation 1, the structure that the cleaning part that what it adopted is cleans suction tube moves together with suction tube, instead of be arranged at the structure of cleaning part plug suction tube in precalculated position.
The cleaning part of said structure is connected with respectively for supplying with and cleans with the pipe portion of solution with for the pipe portion of effluent discharge, and cleaning part moves together with suction tube, therefore, and the space of abundance while needing cleaning part and pipe portion to move.That is, need the movement in the casing of device of cleaning part and pipe portion can, because other structure is hindered, therefore not need larger space, cause device to maximize.In addition, need between the upper opening portion of cleaning part and suction tube, gap be set, therefore be difficult to effectively clean.
Formerly technical literature
Patent documentation
Patent documentation 1: No. 4781075 instructions of Jap.P.
Summary of the invention
The problem that invention will solve
The present invention is the problem in order to solve above-mentioned existing analyzing device and making, its object is to provide one to carry out suction tube in sample attraction process reviewer can there is not plastic yield, and can effectively carry out the small inexpensive device of the cleaning of suction tube.
Solve the means of problem
Analyzing device of the present invention is characterised in that to have: the suction tube of being made and attracted sample by superelastic metal from sampling receptacle; The analysis portion that attracted sample is analyzed; Be disposed at the precalculated position in casing, above-mentioned suction tube guided to the semi-fixed type cleaning part cleaning inside from mortar shape peristome; With make above-mentioned suction tube move/stop, at least making above-mentioned suction tube attract from above-mentioned sampling receptacle sample primary importance and and the second place corresponding to the peristome of above-mentioned cleaning part between mobile movement/shut-down mechanism.
In analyzing device of the present invention, it is characterized in that, above-mentioned cleaning part from peristome to inner internal face, be provided with the seal sealing in the mode around the suction tube being inserted into.
Analyzing device of the present invention is characterised in that, the front end of suction tube is formed as having the degree of tilt of acute angle.
Analyzing device of the present invention is characterised in that, there is the washing lotion groove that storage is attached to the surperficial washing lotion of suction tube, above-mentioned movement/shut-down mechanism makes suction tube before cleaning suction tube, move to position the location of above-mentioned washing lotion groove, makes washing lotion be attached to suction tube surface.
In analyzing device of the present invention, it is characterized in that, movement/shut-down mechanism makes suction tube in the time that device starts or attracts to move to before sample position the location of above-mentioned cleaning part, makes before suction tube runs through cleaning part, to make washing lotion be attached to the peristome of cleaning part.
In analyzing device of the present invention, it is characterized in that, movement/shut-down mechanism makes suction tube and moves to above-mentioned cleaning part position location in the time that device starts or before attraction sample, runs through in the process of cleaning part at suction tube, makes washing lotion be attached to suction tube surface.
Analyzing device of the present invention is characterised in that, cleaning part has the through hole connecting from peristome downwards, utilizes suction tube to attract sample from the sampling receptacle being positioned the state of downside of above-mentioned through hole.
The effect of invention
According to analyzing device of the present invention, because suction tube is made up of superelastic metal, therefore needn't worry plastic yield, thereby can improve the operating efficiency of attraction.Because cleaning part is disposed at the precalculated position in casing, therefore without larger space, thus miniaturization that can implement device.And, because the head of cleaning part is that mortar shape peristome and cleaning part are semi-fixed type, therefore, even fail the descent path of suction tube accurately to aim at the center of peristome in the time that suction tube is inserted to cleaning part is inner, also suction tube normally can be inserted to cleaning part inside, can make design easily, and inexpensive product can be provided.
According to analyzing device of the present invention, cleaning part from peristome to inner internal face, be provided with the seal it being sealed in the mode around the suction tube being inserted into, therefore, not can from the wall air amount of the suction tube of seal butt, thereby can improve the cleaning efficiency of suction tube.In addition, because the front end of suction tube is formed as having the degree of tilt of acute angle, even therefore its insertion and run through the puncture force of sealing surface of reagent unit less also can, and there is the driving mechanism of larger strength without use, thereby there is the driver part that can adopt small inexpensive.
According to analyzing device of the present invention, because cleaning part has the through hole connecting from peristome downwards, and utilize suction tube to attract sample from the sampling receptacle being positioned the state of downside of above-mentioned through hole, therefore, can below cleaning part, attract sample, then clean at the cleaning part on top, so can be expected to suitably being cleaned by the suction tube of sample contamination.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the embodiment of analyzing device of the present invention.
Fig. 2 is the front view of the embodiment of analyzing device of the present invention.
Fig. 3 is the amplification view of the major part of the embodiment suction tube used of analyzing device of the present invention.
Fig. 4 is the amplification view of the embodiment cleaning part used of analyzing device of the present invention.
Fig. 5 is the amplification view of the embodiment cleaning part used of analyzing device of the present invention.
Fig. 6 is that the bending part of the embodiment suction tube used of analyzing device of the present invention is economized sketch map.
Fig. 7 is the process flow diagram of the action of the embodiment for analyzing device of the present invention is described.
Symbol description
11 upper casings
12 lower casings
14,15 stepper motors
23,24 axles
25 movable pipes
31 supporting arms
32 lead arm
34 suction tubes
40 cleaning parts
43 peristomes
45 seals
52 washing lotion supply pipes
53 washing lotion suction tubes
72 reagent unit
73 washing lotion grooves
80 control parts
Embodiment
Below, with reference to the accompanying drawings of the embodiment of analyzing device of the present invention.Same structure key element in each figure is used prosign and omits repeat specification.Fig. 1 represents the stereographic map of the major part of the embodiment of analyzing device of the present invention, and Fig. 2 represents front view.This analyzing device is fixed between the flat upper casing 11 and lower casing 12 of not shown casing at it, has two casings connection the cramp bars 13 to its supporting.One end of upper casing 11 has two stepper motors 14,15.Chimeric on the turning axle of stepper motor 14 have a belt wheel 16, and chimeric on the turning axle of stepper motor 15 have a belt wheel 17.
On belt wheel 16, be embedded with Timing Belt 18, this Timing Belt 18 is chimeric with the belt wheel 19 of the subtend avris end of upper casing 11.In addition, be embedded with Timing Belt 21 on belt wheel 17, this Timing Belt 21 is chimeric with the belt wheel 22 that is arranged on the position adjacent with the belt wheel 19 of upper casing 11.
The periphery of axle 23 is chimeric have with respect to axial free but along with the rotation of axle 23 mobile movable block 26.Combination crane span structure 27 and these movable block 26 combinations of extending from movable pipe 25.Therefore, by the rotation of stepper motor 15, axle 24 rotates, and in the time that movable pipe 25 moves up and down, movable block 26 is also followed this and moved and move up and down.
On the top of movable block 26, be provided with near precalculated position periphery and be equipped with the disc 28 in multiple holes.Be provided with optical chopper (photo interrupter) 29 in the mode that clamps near the hole periphery of this disc 28 from the above-below direction of disc 28, can detect the rotation corresponding to stepper motor 14, the postrotational position of rotation of axle 23.The signal of optical chopper 29 is transferred into control part 80 for rotating control.
On movable block 26, be provided with towards the supporting arm 31 that radially side away from axle 23 is extended.Supporting arm 31 flatly extends from axle 23, is again formed as flat condition through bending upward part.In lower casing 12 sides of axle 23, be provided with the lead arm 32 roughly the same with supporting arm 31 shapes.In lead arm 32, be provided with auxiliary rod 33, thereby the top that this auxiliary rod 33 connects supporting arm 31 and extends to movable block 26 from lead arm 32 is fixed.
For attracting the suction tube 34 of sample to be arranged at the front end of supporting arm 31 with overhang.Suction tube 34 is made up of superelastic metal, and the front end of suction tube 34 can decline and rise via the through hole 32A of the front end that is arranged at lead arm 32.As shown in Figure 3, the front end of suction tube 34 has the tiltangleθ that is acute angle.More specifically, suction tube 34 is less the closer to its caliber of front end, and for example, the angle [alpha] being formed by circular conical surface can be set as 12 degree left and right.Tiltangleθ is the angle being formed by the front end face of the inclination of the line segment of the length direction perpendicular to suction tube 34 and suction tube 34.This tiltangleθ is preferably 10 degree～40 degree.
In the time that axle 23 rotates because of the rotation of stepper motor 14, supporting arm 31, lead arm 32 and auxiliary rod 33 one rotations.Now, the suction tube 34 of front end that is arranged on supporting arm 31 is also to enter the state rotation of through hole 32A of lead arm 32.
In the ratio square surface of lower casing 12 outstanding position more laterally, be provided with cleaning part 40.As shown in Figure 4,5, cleaning part 40 is embedded in the bottom of the base portion 41 of tubular under the state of lower casing 12, is installed on lower casing 12 with semifixed state., cleaning part 40 can move freely with respect to lower casing 12 along continuous straight runs in the scope in gap.The top of base portion 41 is threaded with lid 42.The center upper portion of lid 42 is formed with mortar shape peristome 43.From peristome 43 to base portion 41 center, be formed with openings 44.To the internal face of base portion 41 inside, be provided with the seal 45 sealing around the suction tube 34 being inserted into from above-mentioned peristome 43.,, in the upper end of openings 44, insert and be provided with seal 45.
And, from the downside lateral wall of base portion 41 towards the openings 44 that is formed at base portion 41 center, be formed with washing lotion supply port 46.In addition, from the upside lateral wall of base portion 41 towards the openings 44 that is formed at base portion 41 center, be formed with washing lotion suction port 47.Connector 48 combinations of washing lotion supply port 46 and Fig. 1, and then be connected with washing lotion supply pipe 52.Washing lotion suction port 47 and connector 49 combinations, and then be connected with washing lotion suction tube 53.
The outside that is positioned at the lower casing 12 of the position that is provided with cleaning part 40 is the outside of not shown casing, and in the time carrying out the attraction of sample, sampling receptacle 71 is positioned by reviewer.In casing, the corresponding position of the first predetermined point on the circular arc of describing with the front end of suction tube 34 in the time that axle 23 rotates along with the rotation of stepper motor 14, is provided with the washing lotion groove 73 of tubular.The bottom of washing lotion groove 73 is provided with and attracts with pipe portion 54.In casing, the corresponding position of the second predetermined point on the circular arc of describing with the front end of suction tube 34 in the time that axle 23 rotates along with the rotation of stepper motor 14, is provided with reagent unit 72.In casing, the corresponding position of predetermined point beyond the first predetermined point on the circular arc of describing with the front end of suction tube 34 in the time that axle 23 rotates along with the rotation of stepper motor 14 and the second predetermined point, is provided with the hybrid processing portion of analyzing and processing portion and setting as required etc.
Washing lotion storage tank 81 is connected with pipe portion 51,52 with valve 83 via piston 82, and its internal storage has washing lotion.Pipe portion 51 is connected with the upper end of suction tube 34, can be to the internal feed washing lotion of suction tube 34.
Waste liquid after the interior storage of waste liquid tank 84 is cleaned and flushing washing lotion after treatment.Waste liquid tank 84 is connected with pipe portion 53,54 with valve 86 via pump 85.Control part 80 control pistons 82, the valve 83,86 that are made up of CPU etc., carry out the supply/attraction of cleaning fluid (washing lotion) and control.
It should be noted that, control part 80 in Fig. 1, washing lotion storage tank 81, piston 82, valve 83,86, pump 85, pipe portion 51～54th, be arranged at the parts in the precalculated position in casing, and accompanying drawing represents the existence of structure member.These members omit in Fig. 2.
In the analyzing device forming as mentioned above, utilize the program corresponding with process flow diagram shown in Fig. 7 that control part 80 is worked, control each several part to carry out sample analysis processing.Below, based on this process flow diagram, action is described.Switched on power by not shown power switch, startup analysis processing.The rotation of control part 80 control step motors 14,15, is positioned the front end of suction tube 34 on the top of washing lotion groove 73, then suction tube 34 is declined towards washing lotion groove 73, and its front end is arranged to the precalculated position in washing lotion groove 73.Valve 83 is switched to suction tube 34 sides by control part 80, and driven plunger 82 is supplied to washing lotion in washing lotion groove 73 via suction tube 34 from washing lotion storage tank 81, utilizes washing lotion by the moistened surface of suction tube 34 (S11).Now valve 86 is closed, and does not carry out from the attraction in washing lotion groove 73, and by-pass valve control 86 and pump 85 attract the washing lotion in washing lotion groove 73 and guided to waste liquid tank 84 afterwards.
After step S11, from the interior lifting suction tube 34 of washing lotion groove 73, make its rotation, suction tube 34 is positioned to the top of the peristome 43 of cleaning part 40.State is now shown in Fig. 4.Make as shown in Figure 5 again suction tube 34 decline (S12).Now, because the surface of suction tube 34 is soaked by washing lotion, caused offending sound rubs therefore can prevent the part by seal 45 time.The attraction position (S13) that makes again suction tube 34 declines make it be exposed to the outside of casing and be positioned sample.
Reviewer, in the hand-held sampling receptacle 71 that sample is housed, makes the state of sample in attracting to the interior guiding of sampling receptacle 71 from the front end of suction tube 34.Now, as shown in Figure 6, can make the part bending of exposing from casing of the suction tube 34 of being made by superelastic metal.Even under this state, suction tube 34 can be because plastic yield occurs in bending yet, and can, after taking off sampling receptacle 71 and taking off, revert to as shown in Figure 6 (b) original state.When suction tube 34 being stretched under the state of the sample in sampling receptacle 71, reviewer operates while attracting starting switch, control by control part 80 to valve 83 and piston 82, attracts the sample of scheduled volume to suction tube 34, then suction tube 34 is promoted and be positioned cleaning positions (S14).Fig. 5 can be also the schematic diagram that represents state now.
After cleaning finishes, the supply of washing lotion and attraction also finish, and promote suction tube 34 and also it are extracted and rotated from cleaning part 40.By this rotation, suction tube 34 is positioned to the top position of reagent unit 72, the sealing surface that makes its decline and run through reagent unit 72 is to drop to the predetermined degree of depth.Now, the front end of suction tube 34 is formed as having the degree of tilt of acute angle, therefore can run through the sealing surface of reagent unit 72 without larger puncture force.When suction tube 34 is positioned at precalculated position, carry out discharging the mix and blend of sample, sample and reagent and attracting the operation (S16) of the sample that is mixed with reagent from reagent unit 72 to reagent unit 72.It should be noted that, reagent unit 72 settles by reviewer the part that required reagent is housed in advance.
Finish, after the mix and blend of sample and reagent, to promote and rotating suction pipe 34, be located to the top of not shown analyzing and processing portion, and make it drop to predetermined height, discharge the analytic target liquid after sample and the mixed stirring of reagent.Analyzing and processing portion analyzes (S17) under the control of control part 80, and can carry out being the results are shown in the display part self installing, and from printer the output for printing, or is transferred to the processing such as PC shows.
As mentioned above, can provide a kind of in the analyzing device of cleaning part 40 with superelastic metal suction tube processed and semifixed setting, reviewer carries out suction tube in sample attraction process can there is not plastic yield, and can effectively carry out the small inexpensive device of the cleaning of suction tube.
Although be to have washing lotion in washing lotion storage tank 81 in present embodiment, can not also to store washing lotion but storage clean-out system use.In addition, although be in the present embodiment before suction tube 34 is inserted to cleaning part 40 by the washing lotion in washing lotion groove 73 by suction tube 34 moistened surfaces, the invention is not restricted to this.For example, also can, in the time that this device starts or before sample attraction, suction tube 34 be moved and be positioned to the position of cleaning part 40, from suction tube 34, washing lotion is discharged to peristome 43; Or run through in the process of cleaning part 40 at suction tube 34, washing lotion is discharged and drawn from washing lotion suction port 47 from the washing lotion supply port 46 of cleaning part 40, make thus washing lotion be attached to peristome 43, the inwall of openings 44 and the surface of suction tube 34 of cleaning part 40, thereby prevent the offending sound that friction causes.
Claims (8)
1. an analyzing device, is characterized in that, has:
Suction tube, described suction tube is made up of superelastic metal, for attracting sample from sampling receptacle;
Analysis portion, described analysis portion is analyzed attracted sample;
Cleaning part, described cleaning part is disposed at the precalculated position in casing, described suction tube is guided to inside from mortar shape peristome and clean; With
Movement/shut-down mechanism, described movement/shut-down mechanism makes described suction tube move/stop, at least making described suction tube attract from described sampling receptacle sample primary importance and and the second place corresponding to the peristome of described cleaning part between move.
2. analyzing device according to claim 1, is characterized in that,
In described cleaning part from peristome to inner internal face, be provided with the seal sealing in the mode around the described suction tube being inserted into.
3. analyzing device according to claim 1 and 2, is characterized in that,
The front end of described suction tube is formed as having the degree of tilt of acute angle.
4. according to the analyzing device described in any one in claim 1～3, it is characterized in that,
Have washing lotion groove, described washing lotion groove is used for storing the surperficial washing lotion that is attached to described suction tube,
Described movement/shut-down mechanism makes described suction tube before cleaning described suction tube, move to position the location of described washing lotion groove, makes washing lotion be attached to the surface of described suction tube.
5. according to the analyzing device described in any one in claim 1～3, it is characterized in that,
Described movement/shut-down mechanism makes described suction tube in the time that device starts or attracts to move to before sample position the location of described cleaning part, makes before described suction tube runs through described cleaning part, to make washing lotion be attached to the peristome of described cleaning part.
6. according to the analyzing device described in any one in claim 1～3, it is characterized in that,
Described movement/shut-down mechanism makes described suction tube move to the position of described cleaning part and locate in the time of device startup or before attracting sample, runs through in the process of cleaning part at described suction tube, makes washing lotion be attached to the surface of suction tube.
7. according to the analyzing device described in any one in claim 1～6, it is characterized in that,
Described cleaning part has the through hole connecting from described peristome downwards,
Utilize described suction tube to attract sample from the described sampling receptacle being positioned the state of downside of described through hole.
8. analyzing device according to claim 1, is characterized in that:
Described cleaning part is installed on described casing with semifixed state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-279411 | 2012-12-21 | ||
| JP2012279411A JP6076075B2 (en) | 2012-12-21 | 2012-12-21 | Sample analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103884539A true CN103884539A (en) | 2014-06-25 |
Family
ID=50953558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310682582.1A Pending CN103884539A (en) | 2012-12-21 | 2013-12-12 | Sample Analysis Device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6076075B2 (en) |
| CN (1) | CN103884539A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999436A (en) * | 2020-08-25 | 2020-11-27 | 江苏博微检测技术有限公司 | Sampling equipment, detection device and detection method for cosmetic pH detection |
| CN115301642A (en) * | 2022-07-12 | 2022-11-08 | 生态环境部南京环境科学研究所 | Sewage sampling self-cleaning device and sampling method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445485B (en) * | 2015-12-26 | 2017-08-29 | 嘉兴凯实生物科技有限公司 | A kind of sample absorbing device and streaming fluorescence detector |
| JP6948158B2 (en) * | 2017-05-29 | 2021-10-13 | シスメックス株式会社 | Sample processing equipment and sample processing method |
| DE102021121265B4 (en) * | 2021-08-16 | 2024-03-07 | Bluecatbio Gmbh | Dispensing device, centrifuge with such a dispensing device and method for cleaning dispensing nozzles |
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| JPS63139256A (en) * | 1986-11-14 | 1988-06-11 | ソシエテ アベイクス | Washer of needle for extracting liquid sample |
| US5592959A (en) * | 1993-12-20 | 1997-01-14 | Toa Medical Electronics Co., Ltd. | Pipet washing apparatus |
| JP2001305148A (en) * | 2000-04-26 | 2001-10-31 | Shimadzu Corp | Sample injection device |
| JP2005127895A (en) * | 2003-10-24 | 2005-05-19 | Nippon Koden Corp | Method for cleaning sampling tube in sampling mechanism of blood, or the like |
| CN1945337A (en) * | 2005-10-03 | 2007-04-11 | 希森美康株式会社 | Specimen analyzer and specimen suction device |
| CN101865929A (en) * | 2001-09-06 | 2010-10-20 | 希森美康株式会社 | Automatic sample analyzer and its components |
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2012
- 2012-12-21 JP JP2012279411A patent/JP6076075B2/en active Active
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| JPS63139256A (en) * | 1986-11-14 | 1988-06-11 | ソシエテ アベイクス | Washer of needle for extracting liquid sample |
| US5592959A (en) * | 1993-12-20 | 1997-01-14 | Toa Medical Electronics Co., Ltd. | Pipet washing apparatus |
| JP2001305148A (en) * | 2000-04-26 | 2001-10-31 | Shimadzu Corp | Sample injection device |
| CN101865929A (en) * | 2001-09-06 | 2010-10-20 | 希森美康株式会社 | Automatic sample analyzer and its components |
| JP2005127895A (en) * | 2003-10-24 | 2005-05-19 | Nippon Koden Corp | Method for cleaning sampling tube in sampling mechanism of blood, or the like |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999436A (en) * | 2020-08-25 | 2020-11-27 | 江苏博微检测技术有限公司 | Sampling equipment, detection device and detection method for cosmetic pH detection |
| CN115301642A (en) * | 2022-07-12 | 2022-11-08 | 生态环境部南京环境科学研究所 | Sewage sampling self-cleaning device and sampling method |
| CN115301642B (en) * | 2022-07-12 | 2023-12-22 | 生态环境部南京环境科学研究所 | Sewage sampling self-cleaning device and sampling method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014122839A (en) | 2014-07-03 |
| JP6076075B2 (en) | 2017-02-08 |
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Application publication date: 20140625 |