CN207964635U - Heating sampling structure based on fluorescent quenching technology trace explosive detector - Google Patents
Heating sampling structure based on fluorescent quenching technology trace explosive detector Download PDFInfo
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- CN207964635U CN207964635U CN201721884505.4U CN201721884505U CN207964635U CN 207964635 U CN207964635 U CN 207964635U CN 201721884505 U CN201721884505 U CN 201721884505U CN 207964635 U CN207964635 U CN 207964635U
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- heating
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- sampling
- fluorescent quenching
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Abstract
The utility model discloses a kind of heating sampling structures based on fluorescent quenching technology trace explosive detector, including sampling structure, heating structure and consumptive material, the heating structure to be actively set on the outer wall of sampling structure；The consumptive material activity is inserted into heating structure；Perforation is provided with three hole circular passages in the sampling structure, and the bottom of three hole circular passages is provided with water conservancy diversion aggregation infrastructure；The bottom of the sampling structure is provided with the concave station for coordinating consumptive material to be inserted into；Screw threads for fastening structure is provided between the sampling structure and heating structure；The centre position perforation of the consumptive material is provided with consumptive material channel, and consumptive material channel is staggered with three hole circular passages.The installation of heating sampling structure, cleaning, maintenance of the utility model are simple and efficient, and are increased the collection area of explosive molecules, are substantially increased the collection efficiency of explosive molecules；Eliminate the risk that ambient light is emitted directly toward consumptive material channel；Quenching efficiency of the explosive molecules to consumptive material is improved, improves the detection limit of detection indirectly.
Description
Technical field
The utility model is related to a kind of heating sampling structures, more particularly to a kind of fluorescent quenching technology trace explosive that is based on to visit
Survey the heating sampling structure of device.
Background technology
In place of existing heating sampling structure comes with some shortcomings：1) aperture of sample introduction is smaller so that collectable explosive
Molecular amounts are few；2) there are the risks of optics light leakage；3) difficult clean and maintenance；4) lack gas circuit buffering structure.Therefore, it is necessary to one
The improved heating sampling structure of kind is to solve above-mentioned shortcoming.
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of based on fluorescent quenching technology trace explosive detector
Sampling structure is heated, which solve the defects of existing heating sampling structure.
In order to achieve the above object, the technical solution of the utility model is as follows：One kind is fried based on fluorescent quenching technology trace
The heating sampling structure of medicine detector, including sampling structure, heating structure and consumptive material, the heating structure are actively set on sample introduction knot
On the outer wall of structure；The consumptive material activity is inserted into heating structure；It is penetrated through in the sampling structure and is provided with three hole circular passages, three
The bottom of hole circular passage is provided with water conservancy diversion aggregation infrastructure；The bottom of the sampling structure is provided with for coordinating consumptive material to be inserted into
Concave station.
Preferably, being provided with screw threads for fastening structure between the sampling structure and heating structure.
Preferably, being provided with circle sealing "O"-ring on the inner wall of the concave station bottom.
Preferably, the bottom of the heating structure is provided with heating plate for heating.
Preferably, the centre position of heating structure is inserted into activity to the consumptive material from below, and inserted across sealing "O"-ring
Enter in concave station.
Preferably, the centre position perforation of the consumptive material is provided with consumptive material channel, and consumptive material channel and three hole annulars are logical
Road is staggered, not in same vertical line.
Preferably, the sampling structure by screw threads for fastening structure from the interposition of top activity precession heating structure
It sets.
In heating process, heating plate work is heated heating structure, is transferred heat to by screw threads for fastening structure
Sampling structure makes three hole circular passages be heated, into normal working condition.During sample introduction, the explosive that is evaporated out
Gas enters by three hole circular passages in sampling structure, explosive gas is buffered at water conservancy diversion aggregation infrastructure, and the gas is converged
Gather and is detected in consumptive material channel.
The beneficial effects of the utility model：The heating based on fluorescent quenching technology trace explosive detector of the utility model
Sampling structure is uniformly distributed design in sampling structure using three hole circular passages, increases the collection area of explosive molecules, and
Substantially increase the collection efficiency of explosive molecules；Three hole circular passages of sampling structure and consumptive material channel are set using cross structure
Meter, eliminates the risk that ambient light is emitted directly toward consumptive material channel by three hole circular passages of sampling structure；Sampling structure bottom
Portion uses water conservancy diversion aggregation infrastructure, forms air-flow buffer channel, improves quenching efficiency of the explosive molecules to consumptive material, improve indirectly
The detection limit of detection；Heating structure and sampling structure use separation design so that installation, cleaning, maintenance are more simple and efficient.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram in the utility model section；
Fig. 3 is the structural schematic diagram of the utility model sampling structure；
Fig. 4 is the present invention looks up structural representation of the utility model sampling structure；
Wherein：1. sampling structure, 11 3 hole circular passages, 12. water conservancy diversion aggregation infrastructures, 2. heating structures, 3. consumptive materials, 31.
Consumptive material channel, 4. screw threads for fastening structures, 5. heating plates, 6. sealing "O"-rings.
Specific implementation mode
The utility model is described in further detail With reference to embodiment.
As shown in Figure 1, for a kind of heating sample introduction based on fluorescent quenching technology trace explosive detector of the utility model
Structure, including sampling structure 1, heating structure 2 and consumptive material 3, the heating structure 2 are actively set on the outer wall of sampling structure 1；Institute
3 activity of consumptive material is stated to be inserted into heating structure 2；As shown in Figures 3 and 4, perforation is provided with three hole circular passages in the sampling structure 1
11, the bottom of three hole circular passages 11 is provided with water conservancy diversion aggregation infrastructure 12；The bottom of the sampling structure 1 is provided with for coordinating
The concave station 13 that consumptive material 3 is inserted into.
As shown in Fig. 2, being provided with screw threads for fastening structure 4 between the sampling structure 1 and heating structure 2.
Circle sealing "O"-ring 6 is provided on the inner wall of 13 bottom of the concave station.
The bottom of the heating structure 2 is provided with heating plate 5 for heating.
The centre position of heating structure 2 is inserted into activity to the consumptive material 3 from below, and is inserted into concave station across sealing "O"-ring 6
In 13.
The centre position perforation of the consumptive material 3 is provided with consumptive material channel 31, and consumptive material channel 31 and three hole circular passages 11
It is staggered, not in same vertical line, the light path that ambient light enters consumptive material channel 31 has been cut off with this, completely cut off ambient light to detection
Influence.
The sampling structure 1 is by screw threads for fastening structure 4 from the centre position of top activity precession heating structure 2.Pass through
Screw threads for fastening structure 4 can easily be such that sampling structure 1 is taken apart from heating structure 2, facilitate cleaning and maintenance.
The course of work packet of the heating sampling structure based on fluorescent quenching technology trace explosive detector of the utility model
Heating process and sample introduction process are included, specific work process is as follows：
In heating process, the heating plate 5 of 2 bottom of heating structure works, and is heated to heating structure 2, heating structure 2
Sampling structure 1 is transferred heat to by screw threads for fastening structure 4, three hole circular passages 11 in sampling structure 1 is made also to be heated,
Into normal working condition.
During sample introduction, after being heated after three hole circular passages 11 and entering working condition, the explosive gas that is evaporated out
Three hole circular passages 11 will be passed through to enter in sampling structure 1, delayed at the water conservancy diversion aggregation infrastructure 12 of three hole circular passages, 11 bottom
It rushes explosive gas, and will be detected in consumptive material channel 31 that the gas converges in consumptive material 3.In the process, it is evaporated out
The explosive gas come substantially increases the utilization rate for the explosive gas for being evaporated out behind three hole circular passages 11；Explosive
Steam converges to after being buffered at water conservancy diversion aggregation infrastructure 12 in the consumptive material channel 31 in consumptive material 3 again, reduces the stream of explosive steam
Speed improves quenching efficiency of the explosive steam to consumptive material, improves the detection limit of detection indirectly.
The heating sampling structure of the utility model increases the collection area of explosive molecules, and substantially increases explosive molecules
Collection efficiency；Eliminate the risk that ambient light is emitted directly toward consumptive material channel；Explosive molecules are improved to imitate the quenching of consumptive material
Rate improves the detection limit of detection indirectly；And installation, cleaning, maintenance is made more to be simple and efficient.
Claims (7)
1. a kind of heating sampling structure based on fluorescent quenching technology trace explosive detector, which is characterized in that including sample introduction knot
Structure (1), heating structure (2) and consumptive material (3), the heating structure (2) are actively set on the outer wall of sampling structure (1)；The consumption
Material (3) activity is inserted into heating structure (2)；Perforation is provided with three hole circular passages (11), three orifice rings in the sampling structure (1)
The bottom in shape channel (11) is provided with water conservancy diversion aggregation infrastructure (12)；The bottom of the sampling structure (1) is provided with for coordinating consumption
The concave station (13) that material (3) is inserted into.
2. the heating sampling structure according to claim 1 based on fluorescent quenching technology trace explosive detector, feature
It is, screw threads for fastening structure (4) is provided between the sampling structure (1) and heating structure (2).
3. the heating sampling structure according to claim 1 based on fluorescent quenching technology trace explosive detector, feature
It is, circle sealing "O"-ring (6) is provided on the inner wall of concave station (13) bottom.
4. the heating sampling structure according to claim 2 based on fluorescent quenching technology trace explosive detector, feature
It is, the bottom of the heating structure (2) is provided with heating plate for heating (5).
5. the heating sampling structure according to claim 1 based on fluorescent quenching technology trace explosive detector, feature
It is, the centre position of heating structure (2) is inserted into activity to the consumptive material (3) from below, and is inserted into across sealing "O"-ring (6)
In concave station (13).
6. the heating sampling structure according to claim 1 based on fluorescent quenching technology trace explosive detector, feature
It is, the centre position perforation of the consumptive material (3) is provided with consumptive material channel (31), and consumptive material channel (31) and three hole circular passages
(11) it is staggered, not in same vertical line.
7. the heating sampling structure according to claim 2 based on fluorescent quenching technology trace explosive detector, feature
It is, the sampling structure (1) is by screw threads for fastening structure (4) from the centre position of top activity precession heating structure (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884505.4U CN207964635U (en) | 2017-12-28 | 2017-12-28 | Heating sampling structure based on fluorescent quenching technology trace explosive detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884505.4U CN207964635U (en) | 2017-12-28 | 2017-12-28 | Heating sampling structure based on fluorescent quenching technology trace explosive detector |
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| CN207964635U true CN207964635U (en) | 2018-10-12 |
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| CN201721884505.4U Active CN207964635U (en) | 2017-12-28 | 2017-12-28 | Heating sampling structure based on fluorescent quenching technology trace explosive detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991278A (en) * | 2017-12-28 | 2018-05-04 | 湖南华南光电科技股份有限公司 | Heating sampling structure based on fluorescent quenching technology trace explosive detector |
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2017
- 2017-12-28 CN CN201721884505.4U patent/CN207964635U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991278A (en) * | 2017-12-28 | 2018-05-04 | 湖南华南光电科技股份有限公司 | Heating sampling structure based on fluorescent quenching technology trace explosive detector |
| CN107991278B (en) * | 2017-12-28 | 2024-04-26 | 湖南华南光电科技股份有限公司 | Heating sample injection structure of trace explosive detector based on fluorescence quenching technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Heating Injection Structure of Trace Explosive Detectors Based on Fluorescence Quenching Technology Effective date of registration: 20230912 Granted publication date: 20181012 Pledgee: Arms Equipment Group Finance Co.,Ltd. Pledgor: HUNAN SOUTH CHINA PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2023980056302 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |