CN211122707U - Single-point automatic sample injector - Google Patents

Single-point automatic sample injector Download PDF

Info

Publication number
CN211122707U
CN211122707U CN201921439373.3U CN201921439373U CN211122707U CN 211122707 U CN211122707 U CN 211122707U CN 201921439373 U CN201921439373 U CN 201921439373U CN 211122707 U CN211122707 U CN 211122707U
Authority
CN
China
Prior art keywords
electromagnetic valve
air pump
sample
autosampler
point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921439373.3U
Other languages
Chinese (zh)
Inventor
乔雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxin Instrument Technology Shanghai Co ltd
Original Assignee
Xinxin Instrument Technology Shanghai Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinxin Instrument Technology Shanghai Co ltd filed Critical Xinxin Instrument Technology Shanghai Co ltd
Priority to CN201921439373.3U priority Critical patent/CN211122707U/en
Application granted granted Critical
Publication of CN211122707U publication Critical patent/CN211122707U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a single-point autosampler, it includes: the instrument comprises an instrument body (1) which is internally provided with an air pump (2), an electromagnetic valve (3) connected with the air pump (2), a control module (4) connected with the air pump and the electromagnetic valve, and a power supply (5); the instrument body (1) is provided with a sample inlet, a purging port and an analyzer connecting port; the sample inlet of the electromagnetic valve is connected with the sample inlet; the purging interface of the electromagnetic valve is connected with the purging port; and the sample outlet interface of the electromagnetic valve is connected to the inlet end of the air pump, and the outlet end of the air pump is connected to the analyzer connecting port. The utility model has the characteristics of it is safe, realize advancing the appearance full automatization, improve analysis efficiency, effectively improve the reliability of analysis data to application scope is wide, can carry out autoinjection control through each brand analysis appearance, improves analysis efficiency.

Description

Single-point automatic sample injector
Technical Field
The utility model relates to an laboratory glassware field especially relates to a single-point autosampler.
Background
Nowadays, petrochemical industry factories gradually reduce labor cost, and a small amount of technicians are used for managing a plurality of experimental instruments.
In such a context, users naturally demand more integrated auxiliary equipment for automating the operation of field instruments. Thereby reducing the repeated labor of workers and improving the production analysis efficiency.
The factory user samples the sample from the field using a bladder or sample bag and then sends it to an analysis chamber where the sample gas is analyzed by a chromatographic analyzer. Currently, a technician in an analysis room mainly accesses a single air bag into an analyzer, and mainly enters a sample into a gas chromatograph for analysis in a manual squeezing mode. The drawback of the existing manual extrusion sample injection technology lies in:
1. the manual extrusion sample injection pressure can cause the instability of the sample injection pressure and the flow velocity, and the repeatability and the accuracy of the chromatographic analysis are influenced.
2. After the extrusion process and the extrusion are finished, the sample is easy to leak and cause damage to human bodies.
3. The working efficiency is low, and the repeated labor intensity is high.
4. The manual extrusion air bag easily leads to the damage of sampling air bag, bladder, improves spare parts cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single-point autosampler, it can realize mill's appearance analysis automation of advancing.
The utility model provides a single-point autosampler, it includes: the instrument comprises an instrument body (1) which is internally provided with an air pump (2), an electromagnetic valve (3) connected with the air pump (2), a control module (4) connected with the air pump and the electromagnetic valve, and a power supply (5); the instrument body (1) is provided with a sample inlet, a purging port and an analyzer connecting port; the sample inlet of the electromagnetic valve is connected with the sample inlet; the purging interface of the electromagnetic valve is connected with the purging port; and the sample outlet interface of the electromagnetic valve is connected to the inlet end of the air pump, and the outlet end of the air pump is connected to the analyzer connecting port.
Further, the sample inlet is a plate penetrating clamping sleeve connector.
Further, the air pump is a vacuum diaphragm pump.
Further, the electromagnetic valve is a three-way valve.
Further, the instrument body is provided with a panel status light connected to the control module.
Further, the instrument body has an instrument housing.
Further, the instrument shell is provided with a power button, a sample injection button and a purging button, and the sample injection button and the purging button are connected to the control module.
Furthermore, the control module adopts a singlechip.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. can carry out autoinjection control through each brand analysis appearance, improve analysis efficiency. Brands supported include, but are not limited to, Agilent, American thermoelectric, PE, Shimadzu, and the like.
2. The inlet is the board cutting ferrule joint is worn to standard 1/4 ", more can customize according to user's demand, and it is more convenient to use.
3. And a vacuum diaphragm pump is used for sample injection, so that excellent sample injection repeatability is ensured.
4. A sample line with an outer diameter of 1/16 "was used to connect to the gas injection valve of the analyzer. The passivation pipeline can be configured according to the requirements of users for analyzing components such as sulfide and the like.
5. Possesses the blowback function, reduces cross contamination.
6. And a panel state lamp is additionally arranged to indicate the sample introduction state.
To sum up, the utility model has the characteristics of it is safe, realize advancing kind full automatization, improve analysis efficiency, effectively improve the reliability of analysis data to application scope is wide, can carry out autoinjection control through each brand analysis appearance, improves analysis efficiency.
Drawings
Fig. 1 is a perspective view of a single-point auto-sampler.
Fig. 2 is a schematic view of the installation position of the internal structure of the single-point autosampler, in which arrow F represents the front of the instrument and arrow B represents the back of the instrument.
FIG. 3 is a flow diagram of a single-point autosampler.
Fig. 4 is a rear view of the single-point auto-sampler.
Detailed Description
The present invention will now be described in more detail with reference to the drawings, in which preferred embodiments of the invention are shown, it being understood that one skilled in the art could modify the invention herein described while still achieving the beneficial effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The utility model discloses a single-point autosampler, see fig. 1, it includes: the instrument body 1, with reference to fig. 2-3, is provided with an air pump 2, an electromagnetic valve 3 connected to the air pump 2, a control module 4 connected to the air pump and the electromagnetic valve, and a power supply 5 in the instrument body 1, wherein the power supply 5 supplies power to the whole instrument.
Referring to fig. 4, the apparatus body 1 is provided with a sample inlet 1a, a purge port 1b, and an analyzer connector 1c, the sample inlet 1a is connected to a sample inlet bag of a user, and with reference to fig. 3, a sample inlet of the electromagnetic valve is connected to the sample inlet, a purge port of the electromagnetic valve is connected to the purge port, a sample outlet of the electromagnetic valve is connected to an inlet end of the air pump, and an outlet end of the air pump is connected to the analyzer connector 1 h.
The electromagnetic valve is convenient for selecting a sample inlet or a purging port, and the electromagnetic valve is a three-way valve.
It should be noted that the sample inlet is a plate penetrating ferrule connector, for example, a standard 1/4 "plate penetrating ferrule connector, which is convenient for butting external devices, and of course, the other external device butting interfaces may also adopt plate penetrating ferrule connectors, and are specifically installed as required.
The air pump is used as a sample feeding power source of the instrument and comprises but is not limited to a vacuum diaphragm pump.
And the instrument body is provided with a panel state lamp connected to the control module, so that an operator can know the working state of the instrument conveniently.
Referring to fig. 1, the instrument body has an instrument shell, the instrument shell is provided with a power button 1d, a sample injection button 1e and a purging button 1f, the sample injection button and the purging button are connected to a control module, and the control module adopts a single chip microcomputer.
In fig. 4, the GC COMM port is a communication interface for connecting to a user analyzer, which is remotely controlled to start analysis and receive the current ready/not ready status signal of the analyzer.
The utility model discloses a advance kind flow does:
1) purging through a purge port;
2) after the sample bag is hung on the sample inlet, the sample bag is pumped into the analyzer by the air pump. The purging time length, the sample introduction sequence, the repeated sample introduction time length and the balance time are all fixed;
3) after the sample introduction is finished, the sample injector remotely controls the analyzer to start analysis;
4) and purging through the purging port again, wherein the purging duration is fixed.
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims (8)

1. A single-point autosampler, comprising:
the instrument comprises an instrument body (1) which is internally provided with an air pump (2), an electromagnetic valve (3) connected with the air pump (2), a control module (4) connected with the air pump and the electromagnetic valve, and a power supply (5);
the instrument body (1) is provided with a sample inlet, a purging port and an analyzer connecting port;
the sample inlet of the electromagnetic valve is connected with the sample inlet;
the purging interface of the electromagnetic valve is connected with the purging port;
and the sample outlet interface of the electromagnetic valve is connected to the inlet end of the air pump, and the outlet end of the air pump is connected to the analyzer connecting port.
2. The single-point autosampler of claim 1, wherein the sample inlet is a plate-piercing ferrule.
3. The single-point autosampler of claim 1, wherein the aspiration pump is a vacuum diaphragm pump.
4. The single-point autosampler of claim 1, wherein the solenoid valve is a three-way valve.
5. The single-point autosampler of claim 1, wherein the instrument body is provided with a panel status light connected to a control module.
6. The single-point autosampler of claim 1, wherein the instrument body has an instrument housing.
7. The single-point autosampler of claim 6, wherein the instrument housing is provided with a power button, a sample button, a purge button, the sample button, the purge button being connected to the control module.
8. The single-point autosampler of claim 1 or 7, wherein the control module is a single-chip microcomputer.
CN201921439373.3U 2019-08-30 2019-08-30 Single-point automatic sample injector Active CN211122707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921439373.3U CN211122707U (en) 2019-08-30 2019-08-30 Single-point automatic sample injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921439373.3U CN211122707U (en) 2019-08-30 2019-08-30 Single-point automatic sample injector

Publications (1)

Publication Number Publication Date
CN211122707U true CN211122707U (en) 2020-07-28

Family

ID=71696934

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921439373.3U Active CN211122707U (en) 2019-08-30 2019-08-30 Single-point automatic sample injector

Country Status (1)

Country Link
CN (1) CN211122707U (en)

Similar Documents

Publication Publication Date Title
EP2403621B1 (en) Electrospray interface to a microfluidic substrate
CN211122906U (en) Automatic air bag sample injector
US11435301B2 (en) Reaction control and mass spectrometry workstation for coupling an X-ray spectroscopic characterization instrument with an in-situ reaction cell
CN210513826U (en) Soil gas sample detection collector
CN211122707U (en) Single-point automatic sample injector
WO2021249347A1 (en) Static sample injection and fraction collection apparatus for use with liquid chromatograph
CN208297540U (en) A kind of Flow Injection Analysis device for saving reagent solution
CN110982665A (en) Multi-channel sample introduction device and method for sorting and detecting circulating tumor cells
CN100489512C (en) Multi-channel electrochemical automatic detecting system
CN103604936A (en) Automatic control and analysis detector for micro-fluidic chip
CN202033291U (en) Liquid driving sampling device capable of realizing steam reaction under constant voltage and constant current
CN204461833U (en) For automatic sampling device and the automatic gas chromatography detection system of gas chromatograph
CN109030842B (en) A kind of nutrients in sea water in-situ study device
CN202330372U (en) Ion chromatography system for detecting petroleum drilling solution in an online manner
CN216847644U (en) Full-automatic multi-position gas sample injector with sample dilution function
CN212082992U (en) Automatic sample injector for gas steel cylinder
CN214334404U (en) High-temperature sampling device
CN210278485U (en) A leading processing apparatus for water quality testing
CN203824968U (en) Connection system and device for liquid chromatogram or ion chromatograph and inductively coupled plasma source mass spectrometer
CN214348389U (en) Belt cleaning device of trace sampling needle
CN211554036U (en) Automatic liquid sample injector
CN213456292U (en) Micro-component analysis sampling tool
CN214794633U (en) Pneumatic solid phase micro-extraction chromatography on-line sequence analysis equipment
CN204925053U (en) Pyrolysis gas matter allies oneself with uses gas circuit auto -change over device
CN209496019U (en) A kind of vacuum system tails assay equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant