CN204832227U - A autosampler for liquid chromatograph - Google Patents
A autosampler for liquid chromatograph Download PDFInfo
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- CN204832227U CN204832227U CN201520387811.1U CN201520387811U CN204832227U CN 204832227 U CN204832227 U CN 204832227U CN 201520387811 U CN201520387811 U CN 201520387811U CN 204832227 U CN204832227 U CN 204832227U
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- sample
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- belt
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Abstract
The utility model provides an autosampler for liquid chromatograph, include the drive disk assembly, press from both sides appearance ware parts, advance a kind unit, syringe parts, admission valve, sample bottleholder, power supply unit and injector mainboard. Transmission unit control presss from both sides appearance ware parts makes the sample bottle shift between sample bottleholder and needle file, drive belt and drive belt band pulley can be controlled syringe simultaneously and combine with the needle file in pricking the sample bottle through step motor's power, control syringe, the pump head is used for absorbing liquid in the sample bottle. High, the good reliability of the device precision can alleviate staff's operation in the use, improved work efficiency, has solved among the prior art manual mode and has advanced appearance and to technical problem such as the having relatively high expectations of operator, inefficiencies, have extensive application.
Description
Technical field
The utility model belongs to chemical analysis equipment technology field, is particularly applicable to chromatographic analyzer of liquid phase device technical field.
Background technology
Liquid chromatograph is a kind of difference utilizing potpourri distribution ratio between liquid-solid or immiscible two kinds of liquid, is first separated, then the instrument of Analysis and Identification to potpourri.Liquid phase chromatography only requires that sample can make solution, not by the volatile restriction of sample, the selectable wide ranges of mobile phase, Stationary liquid of a great variety, thus can unstable and nonvolatile, the dissociation of heat of dissociation with the material of non-dissociated and various molecular weight ranges.Because liquid chromatograph has, high resolving power, high sensitivity, speed are fast, chromatographic column can be recycled, flow out the advantages such as component easily collecting, be thus widely applied to the various fields such as biological chemistry, food analysis, medical research, environmental analysis, inorganic analysis.
Liquid chromatograph is primarily of part compositions such as high pressure pump, sampling system, temperature control system, chromatographic column, detecting device, signal recording systems.Many employing manual mode sample introductions in prior art, the requirement of such input mode to operator is higher.Such as, must ensure that excretion capillary outlet and pin mouth are in same level, reveal to prevent from flowing backwards or produce siphon; And the position of taking out sample introduction needle also will strictly control, to prevent suck-back or to produce bubble; And the operating efficiency of hand sampling is also lower.Therefore, a kind of precision is invented and the higher automatic sampler be applicable in chromatographic analyzer of liquid phase device of reliability is extremely urgent.
Summary of the invention
For prior art problem and present situation, the utility model provides a kind of automatic sampler for liquid chromatograph, pressing from both sides sample device parts in this automatic sampler transfers to needle stand on by sample bottle from sample bottle stand by drive disk assembly, then people's liquid in sample introduction needle pipette samples bottle is controlled by console panel, after liquid assimilating completes, driving stepper motor driving-belt and driving-belt belt wheel, sample introduction needle is combined with needle stand, sample is injected sampling valve by kapillary by sample introduction pump head, makes sample enter chromatographic column analysis by the stream handoff functionality of sampling valve.Controlling and carrying out metering to sample by running accurately between each parts, to solve in prior art manual mode sample introduction to the requirement of operator comparatively high-technology problem.This automatic sampler precision is high, good reliability, can alleviate the operation of staff, improve work efficiency largely in use procedure.
The utility model is achieved by the following technical solution:
For an automatic sampler for liquid chromatograph, comprise drive disk assembly, folder sample device parts, sample injection unit parts, sample introduction needle parts, sampling valve, sample bottle stand, power supply unit and injector mainboard; Wherein, sample injection unit parts comprise sample injection unit web joint, driving-belt, driving-belt belt wheel, stepper motor, sample kapillary, sample introduction pump head, kapillary, safety screen, leak sensor, sewer pipe; Sample introduction needle parts comprise needle stand, needle stand ducon, sample introduction needle and console panel.
In the utility model, pcs signal is translated to the current signal that can be transmitted component identification by injector mainboard, drive disk assembly controls folder sample device parts, driving-belt and driving-belt belt wheel pass through the power control sample introduction needle of stepper motor, and control sample introduction needle and combine with needle stand, sample is injected sampling valve by sample introduction pump head, makes sample enter chromatographic column analysis by the stream handoff functionality of sampling valve; Sample bottle is transferred on needle stand from sample bottle stand by drive disk assembly by folder sample device parts, driving stepper motor driving-belt and driving-belt belt wheel, control sample introduction needle by console panel and penetrate sample bottle, sample introduction pump head is by sample kapillary pipette samples, and drive disk assembly controls folder sample device parts and sample is put back to product bottle stand.
In the utility model, drive disk assembly controls folder sample device parts makes sample bottle shift between sample bottle stand and needle stand; Driving-belt and driving-belt belt wheel, by the power of stepper motor, control sample introduction needle and penetrate in sample bottle, can control sample introduction needle simultaneously and be combined with needle stand; Pump head is used for liquid in pipette samples bottle; Sample is injected sampling valve by sample introduction pump head, makes sample enter chromatographic column analysis by the stream handoff functionality of sampling valve; Safety screen prevents artificial touching from damaging sample introduction needle parts; Leak sensor is at fluid seepage alarm.
When using a kind of automatic sampler for liquid chromatograph described in the utility model, pcs signal is translated to the current signal that can be transmitted component identification by injector mainboard, sample bottle is transferred on needle stand from sample bottle stand by drive disk assembly by folder sample device parts, signal now from computer is sent to stepper motor, driving stepper motor driving-belt and driving-belt belt wheel, control sample introduction needle by console panel and penetrate sample bottle, sample introduction pump head is by liquid in sample kapillary pipette samples bottle, after liquid assimilating completes, drive disk assembly controls folder sample device parts and sample bottle is put back to product bottle stand.Now, stepper motor is combined with needle stand by driving driving-belt and driving-belt belt wheel to control sample introduction needle, and sample is injected sampling valve by kapillary by sample introduction pump head, makes sample enter chromatographic column analysis by the stream handoff functionality of sampling valve.
The beneficial effect that the utility model reaches:
The automatic sampler for liquid chromatograph that the utility model is adopted, by the transfer of drive disk assembly to sample bottle, then people's liquid in sample introduction needle pipette samples bottle is controlled by console panel, after liquid assimilating completes, drive disk assembly controls sample introduction needle makes sample enter chromatographic column analysis by sampling valve.Control by running accurately between each parts and carry out metering sampling, solve the technical matterss such as the requirement of manual mode sample introduction to operator is higher, efficiency is low in prior art, this automatic sampler precision is high, good reliability, the operation of staff can be alleviated in use procedure, improve work efficiency largely.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is sample injection unit parts schematic perspective view in the utility model.
In Fig. 1-2: 1-drive disk assembly, 2-presss from both sides sample device parts, 3-sample injection unit parts, 4-sample introduction needle parts, 5-sampling valve, 7-sample bottle stand, 8-power supply unit, 9-injector mainboard, 10-sample injection unit web joint, 11-driving-belt, 12-stepper motor, 13-sample kapillary, 14-sample introduction pump head, 15-kapillary, 16-safety screen, 17-leak sensor, 18-sewer pipe, 19-needle stand, 20-needle stand ducon, 21-controls sample introduction needle, 22-console panel, 23-driving-belt belt wheel.
Embodiment
Below in conjunction with accompanying drawing 1-2 and embodiment, the utility model is further described.
For an automatic sampler for liquid chromatograph, comprise drive disk assembly (1), folder sample device parts (2), sample injection unit parts (3), sample introduction needle parts (4), sampling valve (5), sample bottle stand (7), power supply unit (8) and injector mainboard (9); Wherein, sample injection unit parts (3) comprise sample injection unit web joint (10), driving-belt (11), driving-belt belt wheel (23), stepper motor (12), sample kapillary (13), sample introduction pump head (14), kapillary (15), safety screen (16), leak sensor (17), sewer pipe (18); Sample introduction needle parts (4) comprise needle stand (19), needle stand ducon (20), sample introduction needle (21) and console panel (22).
In the utility model, pcs signal is translated to the current signal that can be transmitted parts (1) and identify by injector mainboard (9), drive disk assembly (1) controls folder sample device parts (2), driving-belt (11) and driving-belt belt wheel (23) are by the power control sample introduction needle (21) of stepper motor (12), and control sample introduction needle (21) and combine with needle stand (19), sample is injected sampling valve (5) by sample introduction pump head (14), makes sample enter chromatographic column analysis by the stream handoff functionality of sampling valve (5); Sample bottle is transferred on needle stand (19) from sample bottle stand (7) by drive disk assembly (1) by folder sample device parts (2), stepper motor (12) drives driving-belt (11) and driving-belt belt wheel (23), control sample introduction needle (21) by console panel (22) and penetrate sample bottle, sample introduction pump head (14) is by sample kapillary (13) pipette samples, and drive disk assembly (1) controls folder sample device parts (2) and sample put back to product bottle stand (7).
In the utility model, drive disk assembly (1) controls folder sample device parts (2) makes sample bottle shift between sample bottle stand (7) and needle stand (6); Driving-belt (11) and driving-belt belt wheel (23), by the power of stepper motor (12), control sample introduction needle (21) and penetrate in sample bottle, can control sample introduction needle (21) simultaneously and combine with needle stand (19); Pump head (14) is used for liquid in pipette samples bottle; Sample is injected sampling valve (5) by sample introduction pump head (14), makes sample enter chromatographic column analysis by the stream handoff functionality of sampling valve (5); Safety screen (16) prevents artificial touching from damaging sample introduction needle parts; Leak sensor (17) is at fluid seepage alarm.
When using a kind of automatic sampler for liquid chromatograph described in the utility model, pcs signal is translated to the current signal that can be transmitted parts (1) and identify by injector mainboard (9), sample bottle is transferred on needle stand (19) from sample bottle stand (7) by drive disk assembly (1) by folder sample device parts (2), signal now from computer is sent to stepper motor (12), stepper motor (12) drives driving-belt (11) and driving-belt belt wheel (23), control sample introduction needle (21) by console panel (22) and penetrate sample bottle, sample introduction pump head (14) is by liquid in sample kapillary (13) pipette samples bottle, after liquid assimilating completes, drive disk assembly (1) controls folder sample device parts (2) and sample bottle is put back to product bottle stand (7).Now, stepper motor (12) combines with needle stand (19) by driving driving-belt (11) and driving-belt belt wheel (23) to control sample introduction needle (21), sample is injected sampling valve (5) by kapillary (15) by sample introduction pump head (14), makes sample enter chromatographic column analysis by the stream handoff functionality of sampling valve (5).
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it is all encompassed in the middle of right of the present utility model.
Claims (4)
1. the automatic sampler for liquid chromatograph, comprise drive disk assembly, folder sample device parts, sample injection unit parts, sample introduction needle parts, sampling valve, sample bottle stand, power supply unit and injector mainboard, it is characterized in that, sample injection unit parts comprise sample injection unit web joint, driving-belt, driving-belt belt wheel, stepper motor, sample kapillary, sample introduction pump head, kapillary, safety screen, leak sensor, sewer pipe; Sample introduction needle parts comprise needle stand, needle stand ducon, sample introduction needle and console panel; Pcs signal is translated to the current signal that can be transmitted component identification by injector mainboard, drive disk assembly controls folder sample device parts, driving-belt and driving-belt belt wheel pass through the power control sample introduction needle of stepper motor, and control sample introduction needle and combine with needle stand, sample is injected sampling valve by sample introduction pump head, makes sample enter chromatographic column analysis by the stream handoff functionality of sampling valve.
2. as claimed in claim 1 for the automatic sampler of liquid chromatograph, it is characterized in that, sample bottle is transferred on needle stand from sample bottle stand by drive disk assembly by described folder sample device parts, driving stepper motor driving-belt and driving-belt belt wheel, control sample introduction needle by console panel and penetrate sample bottle, sample introduction pump head is by sample kapillary pipette samples, and drive disk assembly controls folder sample device parts and sample is put back to product bottle stand.
3. as claimed in claim 1 for the automatic sampler of liquid chromatograph, it is characterized in that, described drive disk assembly controls folder sample device parts makes sample bottle shift between sample bottle stand and needle stand.
4., as claimed in claim 1 for the automatic sampler of liquid chromatograph, it is characterized in that, the stream handoff functionality of described sampling valve makes sample enter chromatographic column analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520387811.1U CN204832227U (en) | 2015-06-08 | 2015-06-08 | A autosampler for liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520387811.1U CN204832227U (en) | 2015-06-08 | 2015-06-08 | A autosampler for liquid chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204832227U true CN204832227U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520387811.1U Expired - Fee Related CN204832227U (en) | 2015-06-08 | 2015-06-08 | A autosampler for liquid chromatograph |
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| CN (1) | CN204832227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160835A (en) * | 2019-05-24 | 2019-08-23 | 深圳市前海微升科学股份有限公司 | A kind of method and device thereof of quantitative microsampling and transmission |
| CN112272772A (en) * | 2018-06-14 | 2021-01-26 | 沃特世科技公司 | Sample organizer, tray, system and method |
-
2015
- 2015-06-08 CN CN201520387811.1U patent/CN204832227U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272772A (en) * | 2018-06-14 | 2021-01-26 | 沃特世科技公司 | Sample organizer, tray, system and method |
| CN110160835A (en) * | 2019-05-24 | 2019-08-23 | 深圳市前海微升科学股份有限公司 | A kind of method and device thereof of quantitative microsampling and transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |