CN206057179U - Petroleum bloom analyser sample cell - Google Patents
Petroleum bloom analyser sample cell Download PDFInfo
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- CN206057179U CN206057179U CN201621048486.7U CN201621048486U CN206057179U CN 206057179 U CN206057179 U CN 206057179U CN 201621048486 U CN201621048486 U CN 201621048486U CN 206057179 U CN206057179 U CN 206057179U
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- sample cell
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- colorimetric utensil
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Abstract
A kind of petroleum bloom analyser sample cell is disclosed in this utility model, include quartz colorimetric utensil and the support being supported in outside the quartz colorimetric utensil, the upper end of the quartz colorimetric utensil is provided with inlet, cover on the inlet and be provided with a closure, the central authorities of the closure are provided with an open-work, the silica gel pad that the open-work is blocked in a sealing is embedded with the closure, when the closure is covered on the inlet, the silica gel pad is butted between the inlet and the roof of closure, which passes through the change of structure at inlet on contrast color ware, it is allowd to coordinate petroleum bloom analyser, it is broken to complete liquid injection that acquirement can be injected acupuncture, the technique effect of liquid seal in cuvette is kept after injection needle is extracted.
Description
Technical field
This utility model is related to a kind of petroleum bloom analyser, more particularly to a kind of petroleum bloom analyser sample cell.
Background technology
When also fluorescence analyser is analyzed oil sample for utilization, need standard colorimetric will to be injected after diluted sample
In ware, and with the sample in the light irradiation cuvette of certain wavelength, the hydrocarbons in sample are under the irradiation of certain wavelength light
Inspire the fluorescence of different wave length, fluorescence is received by detector through cuvette, and transmit after the conversion of photosignal to
Computer is analyzed.
Due to inspection be sample fluorescent characteristic, therefore, cuvette itself should unstressed configuration, therefore, the overwhelming majority
Cuvette is using the good quartz material of the permeability of excitability and fluorescence.But, quartz material is frangible, and its side wall is clear
Cleanliness directly affects the result of sample analysis, therefore, cuvette is usually occur analyzing with petroleum bloom in the form of sample cell
In instrument, i.e., cuvette adds the form of support.
When being analyzed using the petroleum bloom analyser for being shifted with automatic sample and the sample for preparing automatically, need
Liquid to be carried out to the injection in cuvette using injection needle, during this, need to reliably seal liquid, to prevent
Extract volatilization in liquid, existing quartz colorimetric utensil often reserve an aperture as inlet opening at top, and this mouth exists
Open setting is before and after injection, is unfavorable for the sealing of liquid.
Utility model content
The purpose of this utility model is to provide one kind can be injected acupuncture broken to complete liquid injection, and in injection needle
The petroleum bloom analyser sample cell of liquid seal in cuvette is kept after extracting.
Above-mentioned purpose of the present utility model technical scheme is that：A kind of petroleum bloom analyser is used
Sample cell, includes quartz colorimetric utensil and the support being supported in outside the quartz colorimetric utensil, the quartz colorimetric utensil it is upper
End is provided with inlet, covers and be provided with a closure on the inlet, and the central authorities of the closure are provided with an open-work, institute
The silica gel pad for being embedded with closure that the open-work is blocked in a sealing is stated, when the closure is covered on the inlet, institute
State silica gel pad to be butted between the inlet and the roof of closure.
By adopting above-mentioned technical proposal, the open-work on closure is the region that injection needle can be pierced into, and this position
Sealed by silica gel pad, when to injecting fluid in quartz colorimetric utensil, injection needle makes syringe needle by puncturing silica gel pad to injection needle
Stretch into inside quartz colorimetric utensil and extract is injected into which；After injection needle is completed to inject and leaves silica gel pad, silicagel pad
The elasticity of piece can make the position being punctured that elastic recoil occurs, and quartz colorimetric utensil be carried out substantially sealed off.
Preferably, the quartz colorimetric utensil includes the body of rectangular in cross-section, and the upper end of the body is provided with cylinder
Bottleneck, the inlet are arranged on the bottleneck, and the upper surface of the body is formed with positioning plane in neck flange, described
The pressing plate being pressed in the positioning plane is provided with support.
Caused by the elasticity for adopting above-mentioned technical proposal, silica gel pad itself, be subject to when injection is needled into and exits
Resistance it is larger, body is inlaid in support, with pressing plate compress on the positioning plane, quartz colorimetric utensil can be prevented to be injected pin
Take support out of or rock when injection is needled into.
Preferably, the diapire of the body is extended with drain pipe to outside body, corresponds to out liquid on the diapire of the body
The position of pipe is formed with liquid outlet road.
By adopting above-mentioned technical proposal, the liquid in quartz colorimetric utensil needs the syringe pump by peristaltic pump or reversion
Extract out, therefore, needing thereon to connect flexible pipe, the drain pipe of increase can be convenient to the connection of flexible pipe.
Preferably, twice of the bottom wall thickness of the body not less than sidewall thickness.
By adopting above-mentioned technical proposal, bottom wall thickness is larger, can be not affecting in cuvette before liquid detecting
Putting, increasing the intensity of quartz colorimetric utensil, especially drain pipe is provided with diapire, its thickness is larger can be in order to drain pipe
Processing.
Preferably, central authorities are oblique from side wall to body the side of body inner chamber to be provided with four on the diapire of the body
Downward is inclined domatic, and the liquid outlet road is located at four domatic intersections.
By adopting above-mentioned technical proposal, domatic setting flow into liquid in quartz colorimetric utensil can along it to
In centralized, and central authorities are provided with liquid outlet road, the air in the liquid of entrance directly can be discharged by liquid outlet road, prevent
Only there is bubble Interference Detection in quartz colorimetric utensil.
Preferably, the support includes support body, and the inner chamber of geomery and body external shape fits, institute are provided with the support body
The height for stating inner chamber adds the length of drain pipe not less than the body, and when the quartz colorimetric utensil is attached to the inner chamber,
The upper planes align of the positioning plane and support body.
By adopting above-mentioned technical proposal, the upper planes align of plane and support body is positioned, bottleneck and closure can be made equal
Be exposed at outside support body, be convenient to puncturing for injection needle, also, pressing plate reliably can be pressed on the positioning plane, which is prevented in note
Move during penetrating and going out pin.
Preferably, two entrance aperture are provided with two adjacent walls of the support body.
By adopting above-mentioned technical proposal, respective optical path during sample cell application, is needed, chain each entrance aperture one is used as light
The incident hole of line, another is used as beam projecting hole.
Preferably, two relative with two entrance aperture are provided with two other adjacent wall of the support body anti-
Perforation, is installed with illuminator on two reflection holes.
By adopting above-mentioned technical proposal, illuminator on reflection hole, is pasted, the light for passing through can be entered in two entrance aperture
Row reflection is strengthened, to improve the sensitivity of detection.
Preferably, the side on a pair of parallel side wall of the support body near bottom is provided with installation portion.
By adopting above-mentioned technical proposal, by installation portion, support body can be fixed to into petroleum bloom analyser easily
It is interior, then coordinate fixation of the pressing plate to quartz colorimetric utensil, it is ensured that precious sound of laughing sample cell is reliably fixed.
Preferably, the closure is connected with bottleneck thread.
By adopting above-mentioned technical proposal, threaded connection processing is simple, is easy to manufacture, and connects more reliable.
In sum, this utility model has the advantages that：Open-work on closure is what injection needle can be pierced into
Region, and this position is sealed by silica gel pad, when to injecting fluid in quartz colorimetric utensil, injection needle punctures silica gel to injection needle
Pad can make syringe needle stretch into inside quartz colorimetric utensil and extract is injected into which；Complete to inject in injection needle and leave silica gel
After pad, the elasticity of silica gel pad can make the position being punctured that elastic recoil occurs, and quartz colorimetric utensil be carried out substantially sealed off.
Description of the drawings
Fig. 1 is the overall structure view of sample cell；
Fig. 2 is the detonation configuration view of sample cell；
Fig. 3 is the sectional view of quartz colorimetric utensil.
In figure, 1, support；10th, support body；11st, installation portion；12nd, entrance aperture；13rd, reflection hole；14th, pressing plate；15th, inner chamber；2、
Quartz colorimetric utensil；20th, body；21st, bottleneck；22nd, position plane；23rd, drain pipe；24th, inlet；25th, it is domatic；26th, liquid outlet
Road；3rd, closure；30th, open-work；4th, illuminator；5th, silica gel pad.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
A kind of petroleum bloom analyser sample cell, as shown in fig. 1, sample cell includes support 1, quartz colorimetric utensil 2, lid
Together in closure 3 and illuminator 4 at the top of quartz colorimetric utensil 2.
As shown in Fig. 2 to 3, quartz colorimetric utensil 2 includes the body 20 of rectangular cross-section, and the upper end extension of body 20 is formed with
The bottleneck 21 of cylinder, forms certain bit plane 22 on both interfaces.Sap cavity is formed with body 20, for sample
Interim storage is provided with the inlet 24 for extending to this sap cavity, is provided with screw thread on 21 outer wall of bottleneck to detect on bottleneck 21,
And be tightened with closure 3 by the screw thread.
The middle position at the top of closure 3 is provided with open-work 30, is internally provided with silica gel pad 5, silicon in closure 3
The size of glue gasket 5 at least seals open-work 30, inlet 24 can be sealed with fitted seal lid 3 together, prevents extraction
Liquid volatilizees.When closure 3 is tightened in the outer wall of bottleneck 21, silica gel pad 5 be pressed between inlet 24 and open-work 30 with
Sealing quartz colorimetric utensil 2.Silica gel pad 5 due to material self character, be injected acupuncture it is broken when do not have too big resistance and make note
Pin bending is penetrated, and after injection needle is extracted, the resilience of itself can ensure that the sealing of the inlet 24 of quartz colorimetric utensil 2 again, because
This, is ideal diaphragm seal, it would however also be possible to employ other materials with approximate characteristic are made.
As shown in figure 3, the bottom wall thickness of body 20 will be much thicker than the thickness of side wall, not affect quartz colorimetric utensil 2
On the premise of light transmission, its 1 intensity is improved.The side being located in sap cavity on diapire is provided with four domatic 25, four domatic 25
It is obliquely installed to the central authorities of sap cavity obliquely by side wall, four domatic 25 form always in sap cavity Medial Convergence and in convergent point
The liquid outlet road 26 of logical diapire, diapire are provided with the drain pipe 23 connected with liquid outlet road 26, and drain pipe 23 is used to be arranged wriggling
The flexible pipe picked out on pump, so that the liquid in sap cavity is discharged by peristaltic pump.
Support 1 includes the support body 10 for housing body 20 and be completely exposed bottleneck 21, its structure and is sized to fit into
Body 20, when quartz colorimetric utensil 2 is attached in support 1, positioning plane 22 is flushed with the top edge of support body 10.In support body 10
Top open part is threaded connection part and is further fixed on two block pressur plates 14, for limiting the quartz colorimetric utensil 2 of inside in injection needle
Movement when extracting, pressing plate 14 are pressed in positioning plane 22.
Two groups, four holes penetrated in support body 10 are correspondingly arranged in the middle part of four walls of support body 10, that is, are arranged at adjacent two
Entrance aperture 12 and the reflection hole 13 being arranged on two other adjacent wall on the wall of side, illuminator 4 are sticked on reflection hole 13,
The light Jing for exciting the light source of liquid fluorescent characteristic that outside sends entrance aperture on the other side 12 is pointed into quartz colorimetric utensil
2, the illuminator 4 pasted on the reflection hole 13 relative with this entrance aperture 12 is reflected light back into come to strengthen light；In the same manner, in light
Line from another entrance aperture 12 project when, light is reflected the illuminator 4 pasted on reflection hole on the other side 13 reinforcement again,
Under such setting, the sensitivity of sample cell can lift at least 3 times.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. a kind of petroleum bloom analyser sample cell, includes quartz colorimetric utensil (2) and is supported in the quartz colorimetric utensil
(2) outside support (1), is characterized in that, the upper end of the quartz colorimetric utensil (2) is provided with inlet (24), the inlet
(24) cover on and be provided with a closure (3), the central authorities of the closure (3) are provided with an open-work (30), the closure (3)
The silica gel pad that the open-work (30) are blocked in a sealing is embedded with inside, when the closure (3) is covered on the inlet (24),
The silica gel pad is butted between the roof of the inlet (24) and closure (3).
2. petroleum bloom analyser sample cell according to claim 1, is characterized in that, quartz colorimetric utensil (2) bag
The body (20) of rectangular in cross-section is included, the upper end of the body (20) is provided with cylindrical bottleneck (21), the inlet (24)
It is arranged on the bottleneck (21), the upper surface of the body (20) is formed with positioning plane (22), institute in bottleneck (21) outer rim
State and on support (1), be provided with the pressing plate (14) being pressed on positioning plane (22).
3. petroleum bloom analyser sample cell according to claim 2, is characterized in that, the diapire of the body (20) to
Drain pipe (23) is extended with outside body (20), the position on the diapire of the body (20) corresponding to drain pipe (23) is formed with out
Fluid apertures road (26).
4. petroleum bloom analyser sample cell according to claim 3, is characterized in that, the diapire of the body (20) is thick
Twice of the degree not less than sidewall thickness.
5. petroleum bloom analyser sample cell according to claim 4, is characterized in that, on the diapire of the body (20)
Positioned at the side of body (20) inner chamber (15) be provided with four from side wall to body (20) central authorities' obliquely inclined domatic
(25), intersection of the liquid outlet road (26) positioned at four domatic (25).
6. petroleum bloom analyser sample cell according to claim 3, is characterized in that, the support (1) is including support body
(10) inner chamber (15) of geomery and body (20) external shape fits, the height of the inner chamber (15), are provided with the support body (10)
Degree is not less than length of the body (20) plus drain pipe (23), and when the quartz colorimetric utensil (2) is attached to the inner chamber
(15), the upper planes align of positioning plane (22) and support body (10).
7. petroleum bloom analyser sample cell according to claim 6, is characterized in that, two phases of the support body (10)
Two entrance aperture (12) are provided with adjacent side wall.
8. petroleum bloom analyser sample cell according to claim 7, is characterized in that, other the two of the support body (10)
Two reflection holes (13) relative with two entrance aperture (12), two reflection holes (13) are provided with individual adjacent wall
On be installed with illuminator (4).
9. petroleum bloom analyser sample cell according to claim 7, is characterized in that, a pair of the support body (10) are flat
Side on the wall of row side near bottom is provided with installation portion (11).
10. petroleum bloom analyser sample cell according to claim 2, is characterized in that, the closure (3) and bottleneck
(21) it is threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048486.7U CN206057179U (en) | 2016-09-10 | 2016-09-10 | Petroleum bloom analyser sample cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621048486.7U CN206057179U (en) | 2016-09-10 | 2016-09-10 | Petroleum bloom analyser sample cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206057179U true CN206057179U (en) | 2017-03-29 |
Family
ID=58370113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621048486.7U Active CN206057179U (en) | 2016-09-10 | 2016-09-10 | Petroleum bloom analyser sample cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206057179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318423A (en) * | 2018-03-22 | 2018-07-24 | 厦门行者科创科技有限公司 | A kind of universal solid sample holder for emission spectrum test |
| CN117074312A (en) * | 2023-08-24 | 2023-11-17 | 上海暄泓科学仪器有限公司 | Pipetting gun head type cuvette |
-
2016
- 2016-09-10 CN CN201621048486.7U patent/CN206057179U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318423A (en) * | 2018-03-22 | 2018-07-24 | 厦门行者科创科技有限公司 | A kind of universal solid sample holder for emission spectrum test |
| CN117074312A (en) * | 2023-08-24 | 2023-11-17 | 上海暄泓科学仪器有限公司 | Pipetting gun head type cuvette |
| CN117074312B (en) * | 2023-08-24 | 2024-02-20 | 上海暄泓科学仪器有限公司 | Pipetting gun head type cuvette |
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