CN107290467B - The positioning device and its localization method of the automatic fraction collection of double circuit - Google Patents
The positioning device and its localization method of the automatic fraction collection of double circuit Download PDFInfo
- Publication number
- CN107290467B CN107290467B CN201710440372.XA CN201710440372A CN107290467B CN 107290467 B CN107290467 B CN 107290467B CN 201710440372 A CN201710440372 A CN 201710440372A CN 107290467 B CN107290467 B CN 107290467B
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- China
- Prior art keywords
- test tube
- liquid level
- rotation detection
- motor
- pedestal
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/80—Fraction collectors
- G01N30/82—Automatic means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/24—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the treatment of the fractions to be distributed
- B01D15/247—Fraction collectors
Abstract
The present invention relates to the positioning devices and its localization method of a kind of automatic fraction collection of double circuit, belong to fraction collection field, including pedestal, shaft is installed by bearing on pedestal, shaft connects motor by driving member, rack for test tube and test tube pallet are successively fixed in shaft from top to bottom, the test tube putting hole of annular is set on rack for test tube, liquid level detecting switch and rotation detection switch are set on the pedestal of pallet lower part, liquid level detecting switch passes through control unit with rotation detection switch and connects motor, and motor connects power supply, at low cost, structure is simple, convenient for safeguarding.
Description
Technical field
The present invention relates to the positioning devices and its localization method of a kind of automatic fraction collection of double circuit, belong to fraction collection neck
Domain.
Background technique
Fraction collector is the micro computer control instrument of new generation provided for laboratory automation, can be by liquid column chromatography layer
It analyses liquid automatically component to collect in vitro, can optionally timing, fixed drop or the control mode collected by peak, instrument stablize with performance
Reliably, easy to operate, applied widely, small in size, light-weight, fraction collector is that one kind can collect chromatography liquid automatically
Device, generally use single-chip microcontroller and step motor control, collect fraction automatically by periodically achieving the purpose that, but structure answer
It is miscellaneous, higher cost, it is difficult to a wide range of to promote.When carrying out general chromatographic column separating experiment, this fraction collector is because of price
The less use of reason, while maintenance cost is also higher.
Summary of the invention
According to the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is providing a kind of at low cost, structure
Simply, the localization method of the positioning device and its this equipment of the automatic fraction collection of double circuit convenient for safeguarding.
A kind of positioning device of the automatic fraction collection of double circuit of the present invention, including pedestal pass through bearing on pedestal
Shaft is installed, shaft connects motor by driving member, successively fixes rack for test tube and test tube pallet, rack for test tube from top to bottom in shaft
On set the test tube putting hole of annular, set liquid level detecting switch and rotation detection switch on the pedestal of pallet lower part, level sensing is opened
Pass passes through control unit with rotation detection switch and connects motor, and motor connects power supply.
A method of it is automatically positioned, is included the following steps: using the positioning device of the automatic fraction collection of double circuit
(1) test tube is inserted into the test tube putting hole on rack for test tube, test tube bottom contacts test tube pallet, by motor and control
Unit powers on；
(2) by liquid injection pipe injecting fluid into test tube, when liquid level reaches a certain level, liquid level detecting switch is connect
It is logical, electric motor starting, test tube rotation are controlled by control unit；
(3) when rotation detection switch detects the rotation of test tube pallet, rotation detection switch is connected, and test tube has left at this time
Liquid level detecting switch, liquid level detecting switch shutdown, rotation detection switch control electric motor starting by control unit, and test tube continues to revolve
Turn；
(4) when next test tube is rotated to liquid level detecting switch position, rotation detection switch shutdown, liquid injection pipe is to test tube
Interior injecting fluid, repeats the above steps.
Liquid level detecting switch is liquid level optoelectronic reflection sensor, and rotation detection switch is rotary photoelectric reflective sensor, examination
Annular loophole is set on conduit saddle disk, liquid level optoelectronic reflection sensor and the test tube putting hole on corresponding rack for test tube are corresponding, rotation
Optoelectronic reflection sensor is fixed on the base and close to test tube pallet, and rotary photoelectric reflective sensor is directed at annular loophole, this
When rotary photoelectric reflective sensor be directed at test tube, liquid level optoelectronic reflection sensor is fixed on the base by connector, and control is single
Member is field-effect tube.
Liquid level detecting switch includes inclined-plane slide unit, and inclined-plane slide unit is fixed by the bracket on pedestal, close to inclined-plane slide unit height
Point sets contact-making switch, and contact-making switch is fixed by the bracket on pedestal, and contact-making switch includes articulated slab and fixed plate, articulated slab and
Fixed hard contact, two hard contacts are separately connected motor and power supply on fixed plate contact surface, and articulated slab is hinged on bracket,
Articulated slab is connect with fixed plate by spring supporting, and on test tube running track, rotation detection is opened for inclined-plane slide unit and contact-making switch
Closing includes that two conductor contact chip, two metal contact chip is placed on pedestal side by side, and the setting of test tube tray bottom is corresponding with test tube
Conductive layer is arranged in position, is separated between conductive layer by insulating layer, two metal contact chips are separately connected motor and power supply.
Compared with the prior art, the invention has the beneficial effects that:
The positioning device and its localization method of the automatic fraction collection of double circuit of the present invention, pass through liquid level detecting switch
Controlling motor respectively with rotation detection switch drives test tube pallet to rotate half of station, and liquid level detecting switch detects signal
Just start rotation detection switch afterwards, it is safe and reliable to operation, while realizing continuous rotation, with monolithic processor controlled fraction collector phase
Than having reached identical technical effect, but structure is simpler, cost substantially reduces, and registration, and it is general to be suitable for large area
And.
Detailed description of the invention
Fig. 1 is structure of the invention schematic illustration；
Fig. 2 is 1 schematic diagram of the embodiment of the present invention；
Fig. 3 is embodiment test tube pallet schematic diagram shown in Fig. 2；
Fig. 4 is the schematic diagram of the embodiment of the present invention 2；
Fig. 5 is embodiment illustrated in fig. 4 right view；
Fig. 6 is embodiment illustrated in fig. 4 test tube pallet schematic diagram.
In figure: 1, liquid level detecting switch；111, liquid level optoelectronic reflection sensor；121, inclined-plane slide unit；122 brackets；123,
Contact；124, articulated slab；125, spring；126, fixed plate；2, rotation detection switch；211, annular loophole；212, light is rotated
Galvanic reflex sensor；221, contact；222, conductive layer；223, insulating layer；3, resistance；4, motor；5, control unit；6, power supply；
7, rack for test tube；8, shaft；9, test tube；10, test tube pallet；11, pedestal；12, motor；13, speed reducer；14, gear.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
Embodiment 1 as shown in Figure 1-Figure 3, wrap by a kind of positioning device of the automatic fraction collection of double circuit of the present invention
Include pedestal 11, shaft 8 installed by bearing on pedestal 11, shaft 8 by driving member connection motor 4, in shaft 8 from top to bottom according to
Secondary fixed rack for test tube 7 and test tube pallet 10 set the test tube putting hole of annular on rack for test tube 7, set liquid on the pedestal 11 of pallet lower part
Position detection switch 1 and rotation detection switch 2, liquid level detecting switch 1 and rotation detection switch 2 connect electricity by control unit 5
Machine 4, motor 4 connect power supply 6.
Liquid level detecting switch 1 is liquid level optoelectronic reflection sensor 111, and rotation detection switch 2 is rotary photoelectric reflection sense
Device 212, sets annular loophole 211 on test tube pallet 10, liquid level optoelectronic reflection sensor 111 and the examination on corresponding rack for test tube 7
Pipe putting hole is corresponding, and rotary photoelectric reflective sensor 212 is fixed on the pedestal 11 and close to test tube pallet 10, and rotary photoelectric reflects
Sensor 212 is directed at annular loophole 211, and rotary photoelectric reflective sensor 212 is directed at test tube 9 at this time, and liquid level photoelectric reflection passes
Sensor 111 is fixed on the pedestal 11 by connector, and control unit 5 is field-effect tube.
When work, liquid injection pipe injecting fluid into test tube 9, the liquid level optoelectronic reflection sensor when liquid level reaches specified altitude
111 conductings, field-effect tube g electrode potential increase, and field-effect tube conducting, motor 4 drives shaft 8 to rotate, and test tube 9 leaves liquid level photoelectricity
Reflective sensor 111, liquid level optoelectronic reflection sensor 111 can't detect liquid level and open a way, at this time the loophole 211 on pallet from
Rotary photoelectric reflective sensor 212 is opened, the infrared ray that rotational positioning optoelectronic reflection sensor 212 issues is reflected back, and is rotated
It positions optoelectronic reflection sensor 212 to be connected, field-effect tube g electrode potential increases conducting, and motor 4 is again started up, 9 turns of next test tube
111 lower section of liquid level optoelectronic reflection sensor, 211 face rotational positioning optoelectronic reflection sensor 212 of loophole are moved, infrared ray leads to
It crosses loophole 211 and misses and cannot reflect, open a way, motor stalls repeat the above process.
Embodiment 2
As shown in Fig. 1 and Fig. 4-Fig. 6, a kind of positioning device of the automatic fraction collection of double circuit of the present invention, including
Pedestal 11 installs shaft 8 by bearing on pedestal 11, and shaft 8 is by driving member connection motor 4, in shaft 8 from top to bottom successively
9 frame 7 of test tube and 9 pallet 10 of test tube are fixed, the test tube putting hole of annular is set on 9 frame 7 of test tube, sets liquid on the pedestal 11 of pallet lower part
Position detection switch 1 and rotation detection switch 2, liquid level detecting switch 1 and rotation detection switch 2 connect electricity by control unit 5
Machine 4, motor 4 connect power supply 6.
Liquid level detecting switch 1 includes inclined-plane slide unit 121, and inclined-plane slide unit 121 is fixed on the pedestal 11, tightly by bracket 122
Adjacent 121 high point of inclined-plane slide unit sets contact-making switch, and contact-making switch is fixed on the pedestal 11 by bracket 122, and contact-making switch includes hinge
Fishplate bar 124 and fixed plate 126, fixed hard contact 123, two hard contacts on 126 contact surface of articulated slab 124 and fixed plate
123 are separately connected motor 4 and power supply 6, and articulated slab 124 is hinged on bracket 122, and articulated slab 124 and fixed plate 126 pass through spring
125 support connections, on 9 running track of test tube, rotation detection switch 2 includes that two conductors connect for inclined-plane slide unit 121 and contact-making switch
Contact 221, two metal contact chips 221 are placed on the pedestal 11 side by side, and position corresponding with test tube 9 is arranged in 10 bottom of test tube pallet
Conductive layer 222 is set, is separated between conductive layer 222 by insulating layer 223, two metal contact chips 221 are separately connected motor 4 and electricity
Source 6.
When work, liquid injection pipe carries out fluid injection to the test tube 9 being located on articulated slab 124, (i.e. when liquid reaches certain liquid level
Reach constant weight), 9 gravity of test tube overcome 125 elastic force of spring make articulated slab 124 move down and with the contact 123 in fixed plate 126
Contact makes motor 4 power on 6 startings, and the rotation of shaft 8 drives test tube 9 and test tube pallet 10 to rotate, and test tube 9 is from articulated slab 124
On fall, articulated slab 124 resets, and two contacts 123 disconnect, and the rotation of conductive layer 222 of 10 bottom of test tube pallet is to two contacts at this time
221 positions make two contacts 221 connect conduction, and the rotation of motor 4 drives test tube pallet 10 to rotate, when next test tube 9 is located at hingedly
When on plate 124, the insulating layer 223 of 10 bottom of test tube pallet is rotated to two contacts, 221 position, and two contacts 221 disconnect, motor
4 stallings, repeat the above process.
The liquid level detecting switch and rotation detection switch of both examples above can be interchangeable combination, form new reality
Example is applied, while liquid level detecting switch and rotation detection switch are not limited to the form of above-described embodiment, it is any achievable corresponding
The switch form of function can form the embodiment of the present invention, within protection scope of the present invention.
Claims (1)
1. a kind of method that the positioning device using the automatic fraction collection of double circuit is automatically positioned, it is characterised in that: described
The positioning device of the automatic fraction collection of double circuit include pedestal (11), pass through bearing installation shaft (8), shaft on pedestal (11)
(8) motor (4) are connected by driving member, successively fixes rack for test tube (7) and test tube pallet (10), examination in shaft (8) from top to bottom
The test tube putting hole of annular is set on pipe support (7), and liquid level detecting switch (1) is set on the pedestal (11) of pallet lower part and rotation detection is opened
It closes (2), liquid level detecting switch (1) and rotation detection switch (2) are by control unit (5) connection motor (4), and motor (4) is even
Connect power supply (6)；
The liquid level detecting switch (1) is liquid level optoelectronic reflection sensor (111), and rotation detection switch (2) is that rotary photoelectric is anti-
Penetrate sensor (212), set on test tube pallet (10) annular loophole (211), liquid level optoelectronic reflection sensor (111) with it is corresponding
Test tube putting hole on rack for test tube (7) is corresponding, and rotary photoelectric reflective sensor (212) is fixed on pedestal (11) and close to test tube
Pallet (10), rotary photoelectric reflective sensor (212) are directed at annular loophole (211), at this time rotary photoelectric reflective sensor
(212) test tube (9) are directed at, liquid level optoelectronic reflection sensor (111) is fixed on pedestal (11) by connector, control unit
It (5) is field-effect tube；
The method that the positioning device of the automatic fraction collection of the double circuit is automatically positioned, includes the following steps:
1) test tube (9) are inserted into the test tube putting hole on rack for test tube (7), test tube bottom contacts test tube pallet (10), by motor
(4) (6) are powered on control unit (5)；
2) pass through liquid injection pipe to test tube (9) interior injecting fluid, when liquid level reaches a certain level, liquid level detecting switch (1)
It connects, passes through control unit (5) control motor (4) starting, test tube (9) rotation；
3) when rotation detection switch (2) detects test tube pallet (10) rotation, rotation detection switch (2) is connected, at this time test tube
(9) it has left liquid level detecting switch (1), liquid level detecting switch (1) shutdown, rotation detection switch (2) is controlled by control unit (5)
Motor (4) starting processed, test tube (9) continue to rotate；
4) when next test tube (9) are rotated to liquid level detecting switch (1) position, rotation detection switch (2) shutdown, liquid injection pipe to
Test tube (9) interior injecting fluid, repeats the above steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710440372.XA CN107290467B (en) | 2014-09-01 | 2014-09-01 | The positioning device and its localization method of the automatic fraction collection of double circuit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445375.9A CN104198633B (en) | 2014-09-01 | 2014-09-01 | The location equipment and its localization method of the automatic fraction collection of double circuit |
| CN201710440372.XA CN107290467B (en) | 2014-09-01 | 2014-09-01 | The positioning device and its localization method of the automatic fraction collection of double circuit |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410445375.9A Division CN104198633B (en) | 2014-09-01 | 2014-09-01 | The location equipment and its localization method of the automatic fraction collection of double circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107290467A CN107290467A (en) | 2017-10-24 |
| CN107290467B true CN107290467B (en) | 2019-04-30 |
Family
ID=52083957
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410445375.9A Expired - Fee Related CN104198633B (en) | 2014-09-01 | 2014-09-01 | The location equipment and its localization method of the automatic fraction collection of double circuit |
| CN201710440372.XA Active CN107290467B (en) | 2014-09-01 | 2014-09-01 | The positioning device and its localization method of the automatic fraction collection of double circuit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410445375.9A Expired - Fee Related CN104198633B (en) | 2014-09-01 | 2014-09-01 | The location equipment and its localization method of the automatic fraction collection of double circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104198633B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037803A (en) * | 2019-05-28 | 2019-07-23 | 谢小娟 | Carrying case is used in clinical laboratory's blood sampling |
| CN116105547A (en) * | 2023-04-07 | 2023-05-12 | 山西壶化集团金星化工有限公司 | Detonating tool production equipment and production system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4495975A (en) * | 1981-09-22 | 1985-01-29 | Pharmacia Ab | Sample treatment device |
| CN2064058U (en) * | 1990-01-08 | 1990-10-17 | 四川省轻工业研究所 | Optical liquid level sensor |
| CN2938091Y (en) * | 2006-08-10 | 2007-08-22 | 北京丰杰华信科学仪器有限公司 | Automatic fraction collector |
| CN201698769U (en) * | 2010-06-09 | 2011-01-05 | 重庆南方数控设备有限责任公司 | Rotary table positioning system |
| CN203376334U (en) * | 2013-07-16 | 2014-01-01 | 李中 | Automatic feeding device capable of automatically metering volume and mixing uniformly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6113158A (en) * | 1984-06-28 | 1986-01-21 | Konishiroku Photo Ind Co Ltd | Biochemical analyser |
| JP2004340929A (en) * | 2003-04-21 | 2004-12-02 | Mitsubishi Electric Corp | Optical rotary encoder |
| US7138050B2 (en) * | 2003-05-29 | 2006-11-21 | Shimadzu Corporation | Fractionating/collecting device of liquid chromatograph |
| JP2005003539A (en) * | 2003-06-12 | 2005-01-06 | Sharp Corp | Rotation detector and input instrument using the same |
| CN102124329B (en) * | 2008-08-19 | 2014-07-30 | 株式会社岛津制作所 | Split liquid chromatographic apparatus |
| CN204065043U (en) * | 2014-09-01 | 2014-12-31 | 周德波 | The positioning equipment of the automatic fraction collection of double circuit |
-
2014
- 2014-09-01 CN CN201410445375.9A patent/CN104198633B/en not_active Expired - Fee Related
- 2014-09-01 CN CN201710440372.XA patent/CN107290467B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4495975A (en) * | 1981-09-22 | 1985-01-29 | Pharmacia Ab | Sample treatment device |
| CN2064058U (en) * | 1990-01-08 | 1990-10-17 | 四川省轻工业研究所 | Optical liquid level sensor |
| CN2938091Y (en) * | 2006-08-10 | 2007-08-22 | 北京丰杰华信科学仪器有限公司 | Automatic fraction collector |
| CN201698769U (en) * | 2010-06-09 | 2011-01-05 | 重庆南方数控设备有限责任公司 | Rotary table positioning system |
| CN203376334U (en) * | 2013-07-16 | 2014-01-01 | 李中 | Automatic feeding device capable of automatically metering volume and mixing uniformly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107290467A (en) | 2017-10-24 |
| CN104198633B (en) | 2017-06-30 |
| CN104198633A (en) | 2014-12-10 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191205 Address after: 239000 Sanzhu team, Wangying village, Shizi Town, Quanjiao County, Chuzhou City, Anhui Province Patentee after: Anhui D & Automation Equipment Co Ltd Address before: 250100 new building 27, College of chemistry and chemical engineering, 518 Da Shan Nan Road, Licheng District, Shandong, Ji'nan Patentee before: Zhou Debo |
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| TR01 | Transfer of patent right |