CN205941483U - Gas chromatograph high temperature sampling device - Google Patents
Gas chromatograph high temperature sampling device Download PDFInfo
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- CN205941483U CN205941483U CN201620931708.3U CN201620931708U CN205941483U CN 205941483 U CN205941483 U CN 205941483U CN 201620931708 U CN201620931708 U CN 201620931708U CN 205941483 U CN205941483 U CN 205941483U
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- gas chromatograph
- sampling device
- high temperature
- installing hole
- heating
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Abstract
The utility model belongs to the technical field of gas chromatograph, especially, relate to a gas chromatograph high temperature sampling device, including the shell, install in the inside heating assembly of shell, set up heat preservation between shell and heating assembly and cotton and set up in shell and the temperature control device that is connected with heating assembly electricity, heat the assembly and include metal block, heating pipe and temperature sensor, be provided with guide pin hole, first mounting hole and second mounting hole on the metal block, the heating pipe is installed in first mounting hole, temperature sensor installs in the second mounting hole. The utility model discloses fusing point according to the sample is adjusted temperature control device to the by heating pipe heats, experiences as temperature sensor then to stop the heating when heating temperature has reached in advance the set temperature and through cotton heat preservation the that keep warm, has guaranteed like this that the sample can not solidify in syringe advancing a kind in -process, can enter into gas chromatograph test system smoothly, thereby guarantee the analysis precision and the repeatability of sample test.
Description
Technical field
The utility model belongs to gas chromatograph techniques field, more particularly, to a kind of gas chromatograph high temperature sampling device.
Background technology
Gas chromatograph with its separative efficiency high, sensitive, quick the advantages of and extensively applied by all trades and professions.At present, with
The listing of lithium ion battery electric automobile, the lithium-ion battery electrolytes market in downstream is also increasing, in electrolyte often
Can be using to the such as high-melting-point organic matter such as ethylene carbonate, biphenyl, the fusing point of these organic matters is higher than normal temperature, wherein, ethylene
The fusing point of alkene ester is 35-38 DEG C, and the fusing point of biphenyl is 68-70 DEG C.That is, above-mentioned organic matter is solid at room temperature, such as
The fruit above-mentioned organic matter of gas chromatographic detection, needs in sample introduction to be heated to more than melting temperature in an oven and could play sample
Enter in gas chromatographic sample introduction device.And it should be noted that sample fusing point is compared, room temperature difference is bigger, and sample introduction is more difficult, or even
Sometimes sample can condense in sample introduction needle, causes sample introduction needle to block, and this can lead to sample peak type broadening, the weight of impact sample detection
Renaturation.
Content of the invention
The purpose of this utility model is：For the deficiencies in the prior art, and provide a kind of gas chromatograph high temperature sample introduction
Device, it is to avoid freeze solidly in sample introduction needle during high-melting-point sample feeding, thus improve the analysis precision to sample and repeatability.
To achieve these goals, the utility model employs the following technical solutions：
A kind of gas chromatograph high temperature sampling device, the heating assembly including shell, being installed on described enclosure, setting
Heat-preservation cotton between described shell and heating assembly and be arranged at described shell and with the described heating temperature that electrically connects of assembly
Degree control device, described heating assembly includes metal derby, heating tube and temperature sensor, described metal derby is provided with guide pin
Hole, the first installing hole and the second installing hole, described heating tube is installed on described first installing hole, and described temperature sensor is installed on
Described second installing hole.
As gas chromatograph high temperature sampling device described in the utility model one kind improvement, described temperature sensor with
Described temperature control equipment electrical connection.The temperature of temperature sensor impression heating assembly simultaneously converts thereof into usable output signal biography
Give temperature control equipment, when reaching the preset temperature of temperature control equipment, heating assembly stops heating.
As one kind improvement of gas chromatograph high temperature sampling device described in the utility model, described guide pinhole is arranged at
The central authorities of described metal derby, described guide pinhole is set to through hole.The setting of guide pinhole makes sample introduction needle pass through this through hole and gas phase
Chromatographic injection port coordinates, and sample simultaneously smoothly can be tested from entrance injection port in heating assembly in fusing.
As gas chromatograph high temperature sampling device described in the utility model one kind improvement, described first installing hole and
Described second installing hole is disposed as blind hole.
As one kind improvement of gas chromatograph high temperature sampling device described in the utility model, described first installing hole sets
It is set to three, three described first installing holes are uniformly distributed in edge of described metal derby week.The uniform root of three the first installing holes exists
In metal derby, it is to ensure to heat the uniformity of temperature profile of assembly as far as possible.
As one kind improvement of gas chromatograph high temperature sampling device described in the utility model, described second installing hole sets
It is set to one, the center of circle of described second installing hole is arranged on same circumference with the center of circle of three described first installing holes.
The center of circle of the second installing hole is to ensure that temperature sensor can be preferably with the center of circle of the first installing hole on same circumference
Experience the heating-up temperature of heating tube and it is sent to temperature control equipment with exportable signal.
As one kind improvement of gas chromatograph high temperature sampling device described in the utility model, three described first installations
The diameter in hole is identical.
As one kind improvement of gas chromatograph high temperature sampling device described in the utility model, the section of described metal derby
For " convex " font.
As one kind improvement of gas chromatograph high temperature sampling device described in the utility model, also include temperature control dress
Put, described temperature control equipment is arranged at described shell, described temperature control equipment is electrically connected with described heating assembly.Temperature control
Device processed be for control heating assembly heating-up temperature, the difference of the fusing point according to added sample and standard is carried out to temperature
True regulation controls, to guarantee that sample can be completely melt.
As one kind improvement of gas chromatograph high temperature sampling device described in the utility model, described temperature control equipment
On be provided with dial.Dial is marked with corresponding temperature, during convenient test, temperature is adjusted.
As one kind improvement of gas chromatograph high temperature sampling device described in the utility model, also include power switch,
Described power switch is arranged at described shell, and described power switch is electrically connected with described heating assembly.Power switch is used for controlling
The open and close of heating assembly.
With respect to prior art, the beneficial effects of the utility model are：The utility model provides a kind of gas chromatograph
High temperature sampling device, the heating assembly including shell, being installed on described enclosure, is arranged at described shell and described heating is total
Heat-preservation cotton between one-tenth and be arranged at described shell the temperature control equipment electrically connecting with described heating assembly, described heating
Assembly includes metal derby, heating tube and temperature sensor, and described metal derby is provided with guide pinhole, the first installing hole and the second peace
Dress hole, described heating tube is installed on described first installing hole, and described temperature sensor is installed on described second installing hole.This practicality
The new fusing point according to sample is adjusted to temperature control equipment, and is heated by heating tube, when temperature sensor sense
Heated temperature has been reached and has then stopped when pre-setting temperature heating and being incubated by heat-preservation cotton, which ensures that sample will not be
Freeze solidly on during sample introduction in sample introduction needle, can smoothly enter in gas chromatograph test system, ensure that sample is surveyed
The analysis precision of examination and repeatability.
Brief description
Fig. 1 is one of structural representation of the present utility model.
Fig. 2 is to heat one of structural representation of assembly in the utility model.
Fig. 3 is the two of the structural representation heating assembly in the utility model.
Wherein：1- shell, 2- heats assembly, 3- heat-preservation cotton, 4- metal derby, 5- heating tube, 6- temperature sensor, 7- temperature
Control device, 8- power switch, 9- dial, 41- guide pinhole, 42- first installing hole, 43- second installing hole.
Specific embodiment
With reference to specific embodiment and Figure of description, the utility model is described in further detail, but this
The embodiment of utility model is not limited to this.
As shown in Fig. 1 ~ 3, a kind of gas chromatograph high temperature sampling device, including shell 1, it is installed on adding within shell 1
Hot assembly 2, be arranged at shell 1 and heating assembly 2 between heat-preservation cotton 3 and be arranged at shell 1 and with heating assembly electrically connect
Temperature control equipment 7, heating assembly 4 include metal derby 4, heating tube 5 and temperature sensor 6, metal derby 4 is provided with guide pin
Hole 41, the first installing hole 42 and the second installing hole 43, heating tube 5 is installed on the first installing hole 42, and temperature sensor 6 is installed on
Two installing holes 43.
Guide pinhole 41 is arranged at the central authorities of metal derby 4, and guide pinhole 41 is set to through hole.First installing hole 42 and the second installation
Hole 43 is disposed as blind hole.First installing hole 42 is set to three, and three the first installing holes 42 are uniformly distributed in metal derby 4 weeks
Edge.Second installing hole 43 is set to one, and the center of circle of second installing hole 43 is arranged with the center of circle of three the first installing holes 42
On same circumference.The diameter of three the first installing holes 42 is identical.The section of metal derby 4 is " convex " font.Temperature control equipment 7
On be provided with dial 9.
The utility model also includes power switch 8, and power switch 8 is arranged at shell 1, power switch 8 and heating assembly 2 electricity
Connect.
Operating process of the present utility model is：The first step, the injection port of guide pinhole 41 and gas chromatograph is connected；
Second step, power-on switch 8, adjust temperature control equipment 7, set temperature value to be heated, now, three first installations
Heating tube 5 in hole 42 proceeds by heating, temperature sensor 6 induction heating temperature in the second installing hole 43, when heating temperature
When degree reaches temperature controller 7 default temperature value, heating tube 5 then stops heating, and heat-preservation cotton 3 is made to 2 insulations of heating assembly
With；3rd step, sample introduction needle takes entered sample size, is first from top to bottom placed on sample introduction needle in guide pinhole 41, manually by sample introduction needle
Press downward in the injector of gas-chromatography, promote sample introduction needle nook closing member, sample is brought into gas chromatographic sample introduction device, complete into
Sample.
The announcement of book and teaching according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is changed.Therefore, the utility model is not limited to above-mentioned specific embodiment, every this area skill
The done any conspicuously improved, replacement on the basis of the utility model of art personnel or modification belong to this practicality newly
The protection domain of type.Although additionally, employing some specific terms in this specification, these terms are intended merely to conveniently say
Bright, any restriction is not constituted to the utility model.
Claims (10)
1. a kind of gas chromatograph high temperature sampling device it is characterised in that：Including shell, the heating that is installed on described enclosure
Assembly, the heat-preservation cotton being arranged between described shell and described heating assembly and be arranged at described shell total with described heating
Become the temperature control equipment of electrical connection, described heating assembly includes metal derby, heating tube and temperature sensor, on described metal derby
It is provided with guide pinhole, the first installing hole and the second installing hole, described heating tube is installed on described first installing hole, described temperature passes
Sensor is installed on described second installing hole.
2. gas chromatograph high temperature sampling device according to claim 1 it is characterised in that：Described temperature sensor and institute
State temperature control equipment electrical connection.
3. gas chromatograph high temperature sampling device according to claim 1 it is characterised in that：Described guide pinhole is arranged at institute
State the central authorities of metal derby, described guide pinhole is set to through hole.
4. gas chromatograph high temperature sampling device according to claim 1 it is characterised in that：Described first installing hole and institute
State the second installing hole and be disposed as blind hole.
5. gas chromatograph high temperature sampling device according to claim 1 it is characterised in that：Described first installing hole setting
For three, three described first installing holes are uniformly distributed in edge of described metal derby week.
6. gas chromatograph high temperature sampling device according to claim 5 it is characterised in that：Described second installing hole setting
For one, the center of circle of described second installing hole is arranged on same circumference with the center of circle of three described first installing holes.
7. gas chromatograph high temperature sampling device according to claim 5 it is characterised in that：Three described first installing holes
Diameter identical.
8. gas chromatograph high temperature sampling device according to claim 1 it is characterised in that：The section of described metal derby is
" convex " font.
9. gas chromatograph high temperature sampling device according to claim 1 it is characterised in that：On described temperature control equipment
It is provided with dial.
10. gas chromatograph high temperature sampling device according to claim 1 it is characterised in that：Also include power switch, institute
State power switch and be arranged at described shell, described power switch is electrically connected with described heating assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620931708.3U CN205941483U (en) | 2016-08-24 | 2016-08-24 | Gas chromatograph high temperature sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620931708.3U CN205941483U (en) | 2016-08-24 | 2016-08-24 | Gas chromatograph high temperature sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941483U true CN205941483U (en) | 2017-02-08 |
Family
ID=57951544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620931708.3U Active CN205941483U (en) | 2016-08-24 | 2016-08-24 | Gas chromatograph high temperature sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152433A (en) * | 2017-12-25 | 2018-06-12 | 佛山市中环环境检测中心 | A kind of gas chromatograph high temperature sampling device and with its gas chromatograph |
-
2016
- 2016-08-24 CN CN201620931708.3U patent/CN205941483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152433A (en) * | 2017-12-25 | 2018-06-12 | 佛山市中环环境检测中心 | A kind of gas chromatograph high temperature sampling device and with its gas chromatograph |
| CN108152433B (en) * | 2017-12-25 | 2020-09-11 | 北京高麦克仪器科技有限公司 | Gas chromatograph high temperature sampling device and gas chromatograph who has it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230922 Address after: No.62 Huayin North Road, Kecheng District, Quzhou City, Zhejiang Province Patentee after: New Asia Shanshan New Material Technology (Quzhou) Co.,Ltd. Address before: 523000 workshop 5, phase II plant area, Pengdong Industrial Zone, Hengmei shuilian, Nancheng District, Dongguan City, Guangdong Province Patentee before: DONGGUAN SHANSHAN BATTERY MATERIALS Co.,Ltd. |