CN110095324A - A kind of sampler that distribution performance is examined - Google Patents
A kind of sampler that distribution performance is examined Download PDFInfo
- Publication number
- CN110095324A CN110095324A CN201910320728.5A CN201910320728A CN110095324A CN 110095324 A CN110095324 A CN 110095324A CN 201910320728 A CN201910320728 A CN 201910320728A CN 110095324 A CN110095324 A CN 110095324A
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- piston
- sampler
- headspace bottle
- storage box
- screw rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
- G01N2001/2229—Headspace sampling, i.e. vapour over liquid
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to material analysing equipment fields, more specifically, it is related to a kind of sampler that distribution performance is examined, its key points of the technical solution are that: the storage box including having open and close door, the storage box is for placing ml headspace bottle to be sampled, it is provided with the temperature control component for keeping ml headspace bottle temperature in the storage box, the sample mechanism for taking out sample in ml headspace bottle is provided on the storage box.The sampler that a kind of distribution performance of the invention is examined has the advantages that improve sample survey accuracy.
Description
Technical field
The present invention relates to material analysing equipment fields, more specifically, it relates to the sampling dress that a kind of distribution performance is examined
It sets.
Background technique
Headspace analysis is because greatly reducing the harm to analysis personnel and environment, being without organic solvent extraction
A kind of environmentally protective analysis means, are widely used to the volatile components such as biological sample, drug, polymer, environment, tobacco
In analysis.
There are commonly manual modes for headspace analysis method at present, and manual mode is that the ml headspace bottle equipped with sample is put into perseverance
Heated at constant temperature is carried out in incubator or water bath to take out ml headspace bottle after sample heating reaches thermal equilibrium state, then use syringe
Sample in ml headspace bottle is taken out, then takes the enterprising promoting the circulation of qi facies analysis of gas chromatograph.
But be to deposit the thermal equilibrium state for being easy to break sample at room temperature during being sampled, so as to cause sample
The problem of inaccuracy is tested in product examine.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of sampling dress that distribution performance is examined
It sets, has the advantages that improve sample survey accuracy.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of taking for distribution performance inspection
Sampling device, the storage box including having open and close door, the storage box are set in the storage box for placing ml headspace bottle to be sampled
It is equipped with the temperature control component for keeping ml headspace bottle temperature, the sampler for taking out sample in ml headspace bottle is provided on the storage box
Structure.
By using above-mentioned technical proposal, the ml headspace bottle taking-up after being heated by insulating box or water bath is put into
In storage box, remain unchanged the temperature of ml headspace bottle by the temperature control component in storage box, so that the temperature for reducing ml headspace bottle becomes
Change, the sample in ml headspace bottle is made to be maintained at thermal equilibrium state, then again by sample mechanism to the ml headspace bottle being located in storage box
It is sampled, so that the temperature change during down-sampling, is then again examined the sample got by gas chromatograph
It tests, to improve sample survey accuracy.
The present invention is further arranged to: the temperature control component includes the heating tube for being vertically arranged in storage box bottom, described
Ml headspace bottle is put into heating tube, and the heating tube uses electrically heated heating method.
By using above-mentioned technical proposal, ml headspace bottle is put into heating tube, is conducted by the heat of heating tube, is passed through heating
The mode of pipe can quickly heat up, so that ml headspace bottle be made to keep temperature-resistant, and ml headspace bottle can be made to stablize by heating tube
Be located at storage box in, so that convenience sampling mechanism is sampled.
The present invention is further arranged to: the axially symmetric split settings of heating tube, the storage box two lateral walls are equal
Horizontally disposed to have telescopic rod, the end of two telescopic rods is separately positioned in the heating tube of two split settings.
By using above-mentioned technical proposal, by the heating tube of split settings, so that ml headspace bottle be facilitated to be placed on heating tube
It is interior.
The present invention is further arranged to: the telescopic rod includes loop bar, spring and mandril, and the loop bar axially offers
Telescopic chute, the activity of described mandril one end are plugged on telescopic chute, and the spring one end is connected to telescopic chute slot bottom, other end connection
In mandrel ends, the mandril is connected to heating tube side wall far from spring one end, is vertically installed with driving lever on the mandril.
By using above-mentioned technical proposal, heating tube is easy to open by driving lever, is added to facilitate and be placed on ml headspace bottle
In heat pipe, then by spring, so that the heating tube of two split settings is held ml headspace bottle tightly and kept the temperature.
The present invention is further arranged to: be provided on the tube wall of the heating tube fitting ml headspace bottle of two split settings with
The compatible heat-conducting silica gel sheet of ml headspace bottle.
By using above-mentioned technical proposal, by the heat-conducting silica gel sheet being arranged in heating tube, thus improve heating tube with
The laminating degree of ml headspace bottle and can be reduced heating tube and made to ml headspace bottle to further facilitate thermally conductive by heat-conducting silica gel sheet
At damaged in collision.
The present invention is further arranged to: the sample mechanism includes piston sampler, piston pump device, mounting plate, entirety
Pushing component and piston pushing component, the storage box upper surface are provided with installs case, the installs case bottom offer with
Vertical spacing is arranged in mounting plate in the horizontal direction for two through-holes that storage box communicates, the piston sampler and piston pump device
On；The piston sampler and piston pump device include empty cylinder, needle tubing, piston and push rod, and the integrated pushing component is set
It sets in installs case, for pushing mounting plate to move up and down, so that needle tubing passes through in through-hole insertion ml headspace bottle；The piston pushes
Component is arranged on a mounting board, for pushing the piston in the piston sampler and piston pump device to move up and down, the work
The needle tubing lower end for filling in sampler is higher than the needle tubing lower end of piston pump device, and the piston pump device is provided with nitrogen.
It by using above-mentioned technical proposal, is moved down by integrated pushing components drive mounting plate, so that installation will be mounted on
The needle tubing on piston sampler and piston pump device on plate is inserted into ml headspace bottle by through-hole, is then pushed again by piston
Piston on Component driver piston sampler and piston pump device moves up and down, and is filled with so that piston pump device is provided with nitrogen
To ml headspace bottle bottom, then the gas on ml headspace bottle top is pumped into the empty cylinder of piston sampler.
The present invention is further arranged to: the integrated pushing component includes the first screw rod, movable block and first motor, institute
It states installs case sidewalls vertical and offers shifting chute, first screw rod is rotationally connected with shifting chute, the movable block setting vertically
It in mounting plate side wall and is threadedly connected on the first screw rod, the first motor drives the rotation of the first screw rod.
By using above-mentioned technical proposal, the rotation of the first screw rod is driven by first motor, so that driving is threaded in
Movable block on first screw rod moves along slot and moves up and down, so that drive installation plate moves up and down, and then drives and is mounted on
Piston sampler and piston pump device in loading board move up and down.
The present invention is further arranged to: the piston pushing component includes the second screw rod, convex block, link block and the second electricity
Machine, the convex block are arranged two, and the side wall of mounting plate is arranged in two convex block vertical spacings, and the second screw rod rotation connects
It connects between two convex blocks, the second screw rod of the second motor driven rotation, second screw rod is located at piston sampler and work
It fills between aerator, the link block is arranged two, and two link blocks are respectively and on piston sampler and piston pump device
Push rod connection, and second screw rod is arranged from centre to both ends left-hand thread, and two link blocks are threaded in up and down
On second screw rod, the empty cylinder fixed setting in the piston sampler and piston pump device is on a mounting board.
By using above-mentioned technical proposal, rotated by second the second screw rod of motor driven, since the second screw rod is by centre
It is arranged to both ends left-hand thread, thus two link block reverse movements of driving, so that the push rod of piston sampler is driven to move up pumping,
It drives the push rod of piston pump device to move down, the nitrogen in piston pump device is filled in ml headspace bottle, so that ml headspace bottle be made to keep gas
Weighing apparatus is flattened, is facilitated the gas extraction in ml headspace bottle.
The present invention is further arranged to: be provided with C-shaped snap ring on the mounting plate, the sky cylinder side wall axially offer with
The card slot that C-shaped snap ring matches, two push rod ends are provided with abaculus, and the side wall of the link block is offered for abaculus
The caulking groove being embedded.
By using above-mentioned technical proposal, by being arranged C-shaped snap ring on a mounting board, easy disassembly piston sampler and
Piston pump device.
In conclusion the invention has the following advantages:
First, the ml headspace bottle taking-up after heating by insulating box or water bath is put into storage box, pass through storage box
Interior temperature control component remains unchanged the temperature of ml headspace bottle, to reduce the temperature change of ml headspace bottle, makes the sample in ml headspace bottle
It is maintained at thermal equilibrium state, then the ml headspace bottle being located in storage box is sampled by sample mechanism again, is taken to reduce
Then temperature change during sample is again tested the sample got by gas chromatograph, to improve sample survey
Accuracy；
Second, ml headspace bottle is put into heating tube, is conducted by the heat of heating tube, can quickly be risen by way of heating tube
Temperature so that ml headspace bottle be made to keep temperature-resistant, and can make ml headspace bottle is stable to be located in storage box, thus side by heating tube
Just sample mechanism is sampled；
Third, moved down by integrated pushing components drive mounting plate, thus by installation piston sampler on a mounting board and work
Plug aerator on needle tubing be inserted into ml headspace bottle by through-hole, then again by piston pushing component drive piston sampler with
Piston on piston pump device moves up and down, so that piston pump device, which is provided with nitrogen, is filled into ml headspace bottle bottom, then will
The gas on ml headspace bottle top is pumped into the empty cylinder of piston sampler.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the structural schematic diagram in the present embodiment inside storage box；
Fig. 3 is the mounting structure schematic diagram of the telescopic rod after loop bar is axially splitted in the present embodiment；
Fig. 4 is the structural schematic diagram of the sample mechanism after installs case is splitted in the present embodiment.
In figure: 1, storage box；2, open and close door；3, ml headspace bottle；4, heating tube；5, loop bar；6, spring；7, mandril；8, it stretches
Slot；9, driving lever；10, heat-conducting silica gel sheet；11, piston sampler；12, piston pump device；13, mounting plate；14, installs case；15, lead to
Hole；16, empty cylinder；17, needle tubing；18, push rod；19, the first screw rod；20, movable block；21, first motor；22, shifting chute；23,
Two screw rods；24, convex block；25, link block；26, the second motor；27, guide groove；28, guide pad；29, C-shaped snap ring；30, card slot；
31, abaculus；32, caulking groove.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
A kind of sampler that distribution performance is examined, as depicted in figs. 1 and 2, the storage box 1 including having open and close door 2 holds
Case 1 is set for placing ml headspace bottle 3 to be sampled.It is provided with the temperature control component for keeping 3 temperature of ml headspace bottle in storage box 1, holds
Set the sample mechanism for being provided on case 1 and taking out sample in ml headspace bottle 3.
As shown in Fig. 2, ml headspace bottle 3 is put specifically, temperature control component includes the heating tube 4 for being vertically arranged in 1 bottom of storage box
Enter in heating tube 4, heating tube 4 uses electrically heated heating method, and temperature control is in the temperature phase with 3 heated at constant temperature of ml headspace bottle
Matching can specifically be detected using temperature sensor, then control the temperature of heating tube 4.Ml headspace bottle 3 is put into heating tube
It in 4, is conducted by the heat of heating tube 4, the mode of heating tube 4 is enable quickly to heat up, so that ml headspace bottle 3 be made to keep temperature
It is constant, and can make ml headspace bottle 3 is stable to be located in storage box 1 by heating tube 4, so that convenience sampling mechanism is sampled.
As shown in Figures 2 and 3, further, the axially symmetric split settings of heating tube 4, the equal water of 1 two lateral walls of storage box
Flat to be provided with telescopic rod, the end of two telescopic rods is separately positioned in the heating tube 4 of two split settings.Specifically, flexible
Bar includes loop bar 5, spring 6 and mandril 7, and loop bar 5 is axial to offer telescopic chute 8, and 7 one end activity of mandril is plugged on telescopic chute 8
On, 6 one end of spring is connected to 8 slot bottom of telescopic chute, and the other end is connected to 7 end of mandril, and mandril 7 is connected to far from 6 one end of spring
4 side wall of heating tube.And mandril 7 is vertically installed with driving lever 9.It is easy to open heating tube 4 by driving lever 9, to facilitate ml headspace bottle 3
It is placed in heating tube 4, then by spring 6, so that the heating tube 4 of two split settings is held ml headspace bottle 3 tightly and kept the temperature.Two
The heating tube 4 of split settings is bonded on the tube wall of ml headspace bottle 3 and is provided with heat-conducting silica gel sheet 10 compatible with ml headspace bottle 3.Pass through
Heat-conducting silica gel sheet 10 in heating tube 4 is set, so that the laminating degree of heating tube 4 Yu ml headspace bottle 3 is improved, thus further side
Just thermally conductive, and heating tube 4 can be reduced by heat-conducting silica gel sheet 10, damaged in collision is caused to ml headspace bottle 3.
As shown in Figure 1 and Figure 4, sample mechanism includes piston sampler 11, piston pump device 12, mounting plate 13, integrally pushes away
Dynamic component and piston pushing component, 1 upper surface of storage box are provided with installs case 14, and 14 side sidewall opening of installs case is arranged,
14 bottom of installs case offers two through-holes 15 communicated with storage box 1.Piston sampler 11 and piston pump device 12 are along level
Direction vertical spacing is arranged on mounting plate 13, and piston sampler 11 and piston pump device 12 include empty cylinder 16, needle tubing 17, live
Fill in (not shown) and push rod 18.Integrated pushing component is arranged in installs case 14, moves down on mounting plate 13 for pushing
It is dynamic, so that needle tubing 17 passes through through-hole 15 and is inserted into ml headspace bottle 3；Piston pushing component is arranged on mounting plate 13, for pushing work
Piston in plug sampler 11 and piston pump device 12 moves up and down, and piston sampler 11 and about 12 piston pump device misplace
Setting, so that 17 lower end of needle tubing of piston sampler 11 is higher than 17 lower end of needle tubing of piston pump device 12, to make sampling piston
When needle tubing 17 on device 11 is inserted into ml headspace bottle 3, it is located at 3 upside of ml headspace bottle, the needle tubing 17 on piston pump device 12 is inserted into ml headspace bottle 3
When, needle tubing 17 is located at 3 downside of ml headspace bottle.And piston pump device 12 is provided with nitrogen.Pass through integrated pushing components drive mounting plate
13 move down, so that will be mounted on the needle tubing on the piston sampler on mounting plate 13 11 and piston pump device 12 17 passes through through-hole 15
It is inserted into ml headspace bottle 3, then drives the piston on piston sampler 11 and piston pump device 12 by piston pushing component again
It moves up and down, so that piston pump device 12, which is provided with nitrogen, is filled into 3 bottom of ml headspace bottle, then by the gas on 3 top of ml headspace bottle
Body is pumped into the empty cylinder 16 of piston sampler 11.
As shown in figure 4, integrated pushing component includes the first screw rod 19, movable block 20 and first motor 21, installs case 14
Sidewalls vertical offers shifting chute 22, and the first screw rod 19 is rotationally connected with shifting chute 22 vertically, and movable block 20 is arranged in mounting plate
It 13 side walls and is threadedly connected on the first screw rod 19, first motor 21 drives the rotation of the first screw rod 19.It is driven by first motor 21
Dynamic first screw rod 19 rotation, so that the movable block 20 that driving is threaded on the first screw rod 19 is moved along and moved down on slot 22
It is dynamic, so that drive installation plate 13 moves up and down, and then drive piston sampler 11 and the piston pump being mounted on mounting plate 13
Device 12 moves up and down.
As shown in figure 4, piston pushing component includes the second screw rod 23, convex block 24, link block 25 and the second motor 26, it is convex
Block 24 is arranged two, and the side wall of mounting plate 13 is arranged in two 24 vertical spacings of convex block, and the second screw rod 23 is rotatably connected on two
Between convex block 24, the second motor 26 drives the rotation of the second screw rod 23, and the second screw rod 23 is located at piston sampler 11 and piston pump
Between device 12, link block 25 be arranged two, two link blocks 25 respectively with pushing away on piston sampler 11 and piston pump device 12
Bar 18 connects, and the second screw rod 23 is arranged from centre to both ends left-hand thread, and two about 25 link blocks are threaded in second
On bar 23, the empty cylinder 16 in piston sampler 11 and piston pump device 12 is fixed on mounting plate 13,13 side wall of mounting plate
Guide groove 27 is offered vertically, and the side wall of link block 25 is provided with the guide pad 28 that sliding is connected to guide groove 27.Pass through second
Motor 26 drives the rotation of the second screw rod 23, since the second screw rod 23 is arranged from centre to both ends left-hand thread, thus two companies of driving
The reverse movement of block 25 is connect, so that the push rod 18 of piston sampler 11 be driven to move up pumping, drives the push rod 18 of piston pump device 12
It moves down, the nitrogen in piston pump device 12 is filled in ml headspace bottle 3, so that ml headspace bottle 3 be made to keep air pressure balance, facilitate head space
Gas extraction in bottle 3.It is provided with control first motor 21 in installs case 14 and the second motor 26 stops or the control of positive and negative rotation
Button (not shown) processed.
13 side wall of mounting plate is fixedly installed C-shaped snap ring 29, and empty 16 side wall of cylinder is axially offered to be matched with C-shaped snap ring 29
Card slot 30.C-shaped snap ring 29 in the present embodiment is arranged four, and the empty cylinder 16 in piston pump device 12 has every inlay card between the upper and lower
Two C-shaped snap rings 29, every inlay card, there are two C-shaped snap rings 29 between the upper and lower for the empty cylinder 16 in piston sampler 11.Two 18 ends of push rod
Portion is provided with abaculus 31, and the side wall of link block 25 offers the caulking groove 32 being embedded for abaculus 31.By being arranged in mounting plate 13
On C-shaped snap ring 29, easy disassembly piston sampler 11 and piston pump device 12.
The implementation principle of the present embodiment are as follows: the taking-up of ml headspace bottle 3 after being heated by insulating box or water bath is put into
Into storage box 1, remain unchanged the temperature of ml headspace bottle 3 by the temperature control component in storage box 1, to reduce ml headspace bottle 3
Temperature change makes the sample in ml headspace bottle 3 be maintained at thermal equilibrium state, then again by sample mechanism in storage box 1
Ml headspace bottle 3 be sampled, so that the temperature change during down-sampling, then passes through gas-chromatography for the sample got again
Instrument is tested, to improve sample survey accuracy.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. the sampler that a kind of distribution performance is examined, it is characterised in that: the storage box (1) including having open and close door (2), it is described
Storage box (1) is provided in the storage box (1) for keeping ml headspace bottle (3) temperature for placing ml headspace bottle to be sampled (3)
Temperature control component, the sample mechanism for taking out the interior sample of ml headspace bottle (3) is provided on the storage box (1).
2. the sampler that a kind of distribution performance according to claim 1 is examined, it is characterised in that: the temperature control component packet
The heating tube (4) for being vertically arranged in storage box (1) bottom is included, the ml headspace bottle (3) is put into heating tube (4), the heating tube
(4) electrically heated heating method is used.
3. the sampler that a kind of distribution performance according to claim 2 is examined, it is characterised in that: the heating tube (4)
Axially symmetric split settings, storage box (1) two lateral walls are horizontally disposed telescopic rod, the end of two telescopic rods
Portion is separately positioned in the heating tube (4) of two split settings.
4. the sampler that a kind of distribution performance according to claim 3 is examined, it is characterised in that: the telescopic rod includes
Loop bar (5), spring (6) and mandril (7), the loop bar (5) axially offer telescopic chute (8), mandril (7) one end activity
It being plugged on telescopic chute (8), described spring (6) one end is connected to telescopic chute (8) slot bottom, and the other end is connected to mandril (7) end,
The mandril (7) is connected to heating tube (4) side wall far from spring (6) one end, is vertically installed with driving lever (9) on the mandril (7).
5. the sampler that a kind of distribution performance according to claim 4 is examined, it is characterised in that: two split settings
It is provided with and ml headspace bottle (3) compatible heat-conducting silica gel sheet (10) on the tube wall of heating tube (4) fitting ml headspace bottle (3).
6. the sampler that a kind of distribution performance according to claim 1 is examined, it is characterised in that: the sample mechanism packet
Piston sampler (11), piston pump device (12), mounting plate (13), integrated pushing component and piston pushing component are included, it is described
Storage box (1) upper surface is provided with installs case (14), and installs case (14) bottom offers two communicated with storage box (1)
Vertical spacing is arranged in mounting plate (13) in the horizontal direction for through-hole (15), the piston sampler (11) and piston pump device (12)
On；The piston sampler (11) and piston pump device (12) include empty cylinder (16), needle tubing (17), piston and push rod
(18), the integrated pushing component setting is in installs case (14), for pushing mounting plate (13) to move up and down, so that needle tubing
(17) it passes through in through-hole (15) insertion ml headspace bottle (3)；The piston pushing component is arranged on mounting plate (13), for pushing
The piston stated in piston sampler (11) and piston pump device (12) moves up and down, the position of piston sampler (11) installation
Higher than the position of piston pump device (12) installation, the piston pump device (12) is provided with nitrogen.
7. the sampler that a kind of distribution performance according to claim 6 is examined, it is characterised in that: the integrated pushing group
Part includes that the first screw rod (19), movable block (20) and first motor (21), installs case (14) sidewalls vertical offer shifting
Dynamic slot (22), first screw rod (19) are rotationally connected with shifting chute (22) vertically, and the movable block (20) is arranged in mounting plate
(13) it side wall and is threadedly connected on the first screw rod (19), first motor (21) driving the first screw rod (19) rotation.
8. the sampler that a kind of distribution performance according to claim 7 is examined, it is characterised in that: the piston promotion group
Part includes the second screw rod (23), convex block (24), link block (25) and the second motor (26), and the convex block (24) is arranged two,
The side wall in mounting plate (13) is arranged in two convex block (24) vertical spacings, and second screw rod (23) is rotatably connected on two
Between convex block (24), the second motor (26) driving the second screw rod (23) rotation, second screw rod (23) takes positioned at piston
Between sample device (11) and piston pump device (12), the link block (25) is arranged two, two link blocks (25) respectively with
Push rod (18) connection on piston sampler (11) and piston pump device (12), and second screw rod (23) is from centre to both ends
Left-hand thread setting, two link blocks (25) are threaded on the second screw rod (23) up and down, the piston sampler (11)
It is fixed on mounting plate (13) with the empty cylinder (16) in piston pump device (12).
9. the sampler that a kind of distribution performance according to claim 8 is examined, it is characterised in that: the mounting plate (13)
On be provided with C-shaped snap ring (29), it is described sky cylinder (16) side wall axially offer the card slot (30) matched with C-shaped snap ring (29),
Two push rod (18) ends are provided with abaculus (31), and the side wall of the link block (25) is offered to be embedded for abaculus (31)
Caulking groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910320728.5A CN110095324B (en) | 2019-04-20 | 2019-04-20 | Sampling device for emission performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910320728.5A CN110095324B (en) | 2019-04-20 | 2019-04-20 | Sampling device for emission performance test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110095324A true CN110095324A (en) | 2019-08-06 |
| CN110095324B CN110095324B (en) | 2021-08-20 |
Family
ID=67445409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910320728.5A Active CN110095324B (en) | 2019-04-20 | 2019-04-20 | Sampling device for emission performance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110095324B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19901590C1 (en) * | 1999-01-16 | 2000-07-27 | Draeger Medizintech Gmbh | Aqueous condensate trap used in sample gas line of breathing- or anesthetic gas supply apparatus employs microporous PTFE filtration membranes ahead of analyzer, with visible, convenient and reliable condensation collection chamber |
| CN205925714U (en) * | 2016-08-08 | 2017-02-08 | 张悦霖 | Chemical reaction device |
| CN107202851A (en) * | 2017-07-15 | 2017-09-26 | 杭州臻盛科技有限公司 | The sampling system and its method of a kind of head-space sampler |
| CN108535391A (en) * | 2018-04-17 | 2018-09-14 | 郑州克莱克特科学仪器有限公司 | A kind of gas chromatograph automatic headspace sample injector and automatic sampling method |
| CN208721622U (en) * | 2018-09-11 | 2019-04-09 | 天津先德科技有限责任公司 | A kind of volatile standard substance detection sampling device substituting headspace sampling |
-
2019
- 2019-04-20 CN CN201910320728.5A patent/CN110095324B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19901590C1 (en) * | 1999-01-16 | 2000-07-27 | Draeger Medizintech Gmbh | Aqueous condensate trap used in sample gas line of breathing- or anesthetic gas supply apparatus employs microporous PTFE filtration membranes ahead of analyzer, with visible, convenient and reliable condensation collection chamber |
| CN205925714U (en) * | 2016-08-08 | 2017-02-08 | 张悦霖 | Chemical reaction device |
| CN107202851A (en) * | 2017-07-15 | 2017-09-26 | 杭州臻盛科技有限公司 | The sampling system and its method of a kind of head-space sampler |
| CN108535391A (en) * | 2018-04-17 | 2018-09-14 | 郑州克莱克特科学仪器有限公司 | A kind of gas chromatograph automatic headspace sample injector and automatic sampling method |
| CN208721622U (en) * | 2018-09-11 | 2019-04-09 | 天津先德科技有限责任公司 | A kind of volatile standard substance detection sampling device substituting headspace sampling |
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| Publication number | Publication date |
|---|---|
| CN110095324B (en) | 2021-08-20 |
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