CN107356777A - A kind of sampling device - Google Patents
A kind of sampling device Download PDFInfo
- Publication number
- CN107356777A CN107356777A CN201710483106.5A CN201710483106A CN107356777A CN 107356777 A CN107356777 A CN 107356777A CN 201710483106 A CN201710483106 A CN 201710483106A CN 107356777 A CN107356777 A CN 107356777A
- Authority
- CN
- China
- Prior art keywords
- needle
- headspace bottle
- cartridge heater
- air
- gear unit
- 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.)
- Pending
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Classifications
-
- 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
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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)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of sampling device, including ml headspace bottle, air-out needle and the air inlet needle being connected respectively with transmission mechanism, ml headspace bottle is set to the cylinder that vertical cross-section is inverted trapezoidal, the bottle mouth position of ml headspace bottle is provided with sealing catch, air inlet needle is connected with gas source conduit, valve body and fluid velocity meter are provided with gas source conduit, gas source conduit is connected with source of the gas, air-out needle is connected by outtake tube with detecting instrument, transmission mechanism includes downward gear unit and upward gear unit, and the bottom of ml headspace bottle is arranged in cartridge heater；It has testing result precision high, and operating efficiency is high, simple to operate, has a safety feature, disclosure satisfy that actually detected requirements of one's work.
Description
Technical field
The invention belongs to detection device technology field, is related to a kind of sampling device.
Background technology
At present, in headspace analysis operation, the conventional gas by above sample substrate is sent to headspace analysis detection and set
Sample is first placed in closed container and heated, reach heat more using sample introduction operation of knocking off by the standby middle sample introduction work detected
A certain amount of sample is extracted with syringe after poised state, the sample is taken rapidly on analyzer and tested and analyzed, the party
There is the problems such as analysis testing result error is big, and operating efficiency is low in method, for this reason, it may be necessary to which one kind can solve the problem that in the prior art
The sampling device of problem is stated, meets actually detected requirements of one's work.
The content of the invention
It is an object of the present invention to provide a kind of sampling device, solving that testing result error is big, and operating efficiency is low etc. asks
Topic, greatly reduces its measuring result error, operating efficiency greatly improves, to meet actually detected requirements of one's work.
To achieve the above object, the present invention provides a kind of sampling device, including the head space being connected respectively with transmission mechanism
Bottle, air-out needle and air inlet needle, ml headspace bottle are set to the cylinder that vertical cross-section is inverted trapezoidal, and the bottle mouth position of ml headspace bottle is provided with sealing and kept off
Piece, air inlet needle are connected with gas source conduit, are provided with valve body at gas source conduit and fluid velocity meter, gas source conduit are connected with source of the gas
Connecing, air-out needle is connected by outtake tube with detecting instrument, and transmission mechanism includes downward gear unit and upward gear unit,
The bottom of ml headspace bottle is arranged in cartridge heater, and the bottom on the inside of cartridge heater is provided with heat block, and the bottom on the outside of cartridge heater is provided with solid
The base being scheduled on upward gear unit, ml headspace bottle are connected by base with upward gear unit, the outer periphery of cartridge heater
Be arranged with collet, the outer sheath of ml headspace bottle is provided with constant temperature sleeve, opening position that air inlet needle is connected with gas source conduit, air-out needle with
The opening position that outtake tube is connected is equipped with fixture, and fixture is connected by fixed plate with underdrive unit, upper transmission
Positioning and locking part is equipped with unit and underdrive unit, air-out needle and air inlet needle include syringe and syringe needle, syringe and syringe needle
Junction is provided with seal nipple, and syringe needle is connected by compaction hoop at seal nipple with syringe.
In above scheme preferably, cartridge heater is set to the structure with inner hollow chamber, is provided with hollow chamber
Electrical heating wire.
It may also be preferred that the madial wall of the inner hollow chamber of cartridge heater and the top of heat block are exhausted provided with integral type
Edge sealant.
It may also be preferred that cartridge heater is interior, the periphery of ml headspace bottle is uniformly provided with water-circulating pipe.
It may also be preferred that cartridge heater uses cylinder of the vertical cross-section for inverted trapezoidal, and with the bottom phase of ml headspace bottle
Matching.
It may also be preferred that positioning and locking part uses tight locking button or ring gear keeper.
It may also be preferred that transmission mechanism is using the combined structure of guide rail and motor.
The sampling device of the present invention, can solve the problem that the problems such as testing result error is big, and operating efficiency is low, and it has detection
As a result precision is high, and operating efficiency is high, simple to operate, has a safety feature, disclosure satisfy that actually detected requirements of one's work.
Brief description of the drawings
The invention will be further described with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the sampling device of the present invention.
In figure, 1 is transmission mechanism, and 2 be ml headspace bottle, and 3 be air-out needle, and 4 be air inlet needle, and 5 be sealing catch, and 6 lead for source of the gas
Pipe, 7 be source of the gas, and 8 be outtake tube, and 9 be detecting instrument, and 10 be cartridge heater, and 11 be base, and 12 be collet, and 13 be constant temperature sleeve,
14 be fixture, and 15 be fixed plate.
Embodiment
For a better understanding of the present invention, the present invention is explained in detail with reference to specific embodiment.It is clear that
Different modifications can be carried out to the present invention with remodeling and without departing from the broader spirit of the invention and model of appended claims
Enclose.Therefore, following examples have exemplary without the implication of limitation.
Embodiment 1:
A kind of sampling device, including ml headspace bottle 2, air-out needle 3 and the air inlet needle 4 being connected respectively with transmission mechanism 1, ml headspace bottle 2
The cylinder that vertical cross-section is inverted trapezoidal is set to, the bottle mouth position of ml headspace bottle 2 is provided with sealing catch 5, air inlet needle 4 and gas source conduit 6
It is connected, valve body and fluid velocity meter is provided with gas source conduit 6, gas source conduit 6 is connected with source of the gas 7, and air-out needle 3 passes through outlet
Conduit 8 is connected with detecting instrument 9, and transmission mechanism 1 includes downward gear unit and upward gear unit, the bottom of ml headspace bottle 2
Be arranged in cartridge heater 10, the bottom of the inner side of cartridge heater 10 is provided with heat block, the bottom in the outside of cartridge heater 10 provided be fixed on to
Base 11 on upper gear unit, ml headspace bottle 2 are connected by base 11 with upward gear unit, the outer periphery of cartridge heater 10
Collet 12 is arranged with, the outer sheath of ml headspace bottle 2 is provided with constant temperature sleeve 13, opening position that air inlet needle 4 is connected with gas source conduit 6,
Air-out needle 3 is equipped with fixture 14 with the opening position that outtake tube 8 is connected, and fixture 14 passes through fixed plate 1 and underdrive list
Member is connected, and positioning and locking part is equipped with upper gear unit and underdrive unit, and air-out needle 3 and air inlet needle 4 include syringe
And syringe needle, syringe and syringe needle junction are provided with seal nipple, syringe needle is connected by compaction hoop at seal nipple with syringe.
Claims (2)
1. a kind of sampling device, including respectively with transmission mechanism（1）The ml headspace bottle being connected（2）, air-out needle（3）And air inlet needle
（4）, it is characterised in that：Ml headspace bottle（2）It is set to the cylinder that vertical cross-section is inverted trapezoidal, ml headspace bottle（2）Bottle mouth position be provided with it is close
Block piece（5）, air inlet needle（4）With gas source conduit（6）It is connected, gas source conduit（6）Place is provided with valve body and fluid velocity meter, source of the gas
Conduit（6）With source of the gas（7）It is connected, air-out needle（3）Pass through outtake tube（8）With detecting instrument（9）It is connected, transmission mechanism
（1）Including downward gear unit and upward gear unit, ml headspace bottle（2）Bottom be arranged on cartridge heater（10）In, cartridge heater
（10）The bottom of inner side is provided with heat block, cartridge heater（10）The bottom in outside is provided with the base being fixed on upward gear unit
（11）, ml headspace bottle（2）Pass through base（11）It is connected with upward gear unit, cartridge heater（10）Outer periphery be arranged with it is heat-insulated
Set（12）, ml headspace bottle（2）Outer sheath be provided with constant temperature sleeve（13）, air inlet needle（4）With gas source conduit（6）The opening position that is connected,
Air-out needle（3）The opening position being connected with outtake tube (8) is equipped with fixture（14）, fixture（14）Pass through fixed plate（1）
It is connected with underdrive unit, positioning and locking part, air-out needle is equipped with upper gear unit and underdrive unit（3）And air inlet needle
（4）Include syringe and syringe needle, syringe and syringe needle junction are provided with seal nipple, syringe needle by compaction hoop at seal nipple with
Syringe connects；Positioning and locking part uses tight locking button or ring gear keeper；Cartridge heater（10）Use circle of the vertical cross-section for inverted trapezoidal
Cylinder, and and ml headspace bottle（2）Bottom match；Transmission mechanism（1）Using the structure that guide rail and motor are combined.
2. sampling device as claimed in claim 1, it is characterised in that：Cartridge heater（10）It is set to the knot with inner hollow chamber
Structure, electrical heating wire, cartridge heater are provided with hollow chamber（10）The madial wall of inner hollow chamber and the top of heat block be provided with
Integral type insulated enclosure layer, cartridge heater（10）Interior, ml headspace bottle periphery is uniformly provided with water-circulating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710483106.5A CN107356777A (en) | 2017-06-23 | 2017-06-23 | A kind of sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710483106.5A CN107356777A (en) | 2017-06-23 | 2017-06-23 | A kind of sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107356777A true CN107356777A (en) | 2017-11-17 |
Family
ID=60273575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710483106.5A Pending CN107356777A (en) | 2017-06-23 | 2017-06-23 | A kind of sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107356777A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374770A (en) * | 2018-11-15 | 2019-02-22 | 杭州邦沃森生物科技有限公司 | A kind of detection method of Turtle Oil volatile component |
-
2017
- 2017-06-23 CN CN201710483106.5A patent/CN107356777A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374770A (en) * | 2018-11-15 | 2019-02-22 | 杭州邦沃森生物科技有限公司 | A kind of detection method of Turtle Oil volatile component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171117 |
|
| WD01 | Invention patent application deemed withdrawn after publication |