CN209689988U - A kind of electronic nose sampler - Google Patents
A kind of electronic nose sampler Download PDFInfo
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- CN209689988U CN209689988U CN201822196412.3U CN201822196412U CN209689988U CN 209689988 U CN209689988 U CN 209689988U CN 201822196412 U CN201822196412 U CN 201822196412U CN 209689988 U CN209689988 U CN 209689988U
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- hole
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- electronic nose
- sampling head
- head probe
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Abstract
The utility model discloses a kind of electronic nose samplers, comprising: handle；With sampling head probe, the sampling head probe extends from the handle, with elongated structure and has hollow pipeline；Wherein, sampling pipe is equipped in the handle, the proximal end of the sampling head probe is connected to the sampling pipe, distally far from the handle；The sampling head probe of electronic nose sampler is connected to sampling pipe, when checking luggage case, by the way that sampling head probe is extend into luggage case, the probability for collecting the air being mixed with outside luggage case in gas can be reduced, luggage case progress rapidly and efficiently and is accurately checked so as to realize.
Description
Technical field
The utility model relates to a kind of electronic nose samplers.
Background technique
Customs test quarantine examination when, can using electric nasus system to pass in and out passenger carrying luggage case into
Row examination, whether to judge in luggage case containing any contraband.If it is desired in the case where not opening luggage case, accurate judgement luggage
With the presence or absence of concern article in case, then the gas in vasculum as much as possible is needed.
In the prior art, electric nasus system is typically directly carried out using the electronic nose sampler with opened type air inlet
Sampling.And since the luggage case for the passenger that passes in and out usually all is sealing, if using conventional with opened type air inlet
Electronic nose sampler is sampled, even if the gas of sampling is also most absolutely by air inlet as much as possible close to the gap of luggage case
Number is all the outer air of case, and examination error rate is very big.
Utility model content
The purpose of this utility model aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
The utility model provides a kind of electronic nose sampler, which can not unpack in situation, utilizes
Whether sampling head probe is inspected the baggage in case suspicion contraband, achievees the effect that improve examination speed, efficiency and accuracy rate.
One aspect according to the present utility model provides a kind of electronic nose sampler, comprising: handle；With sampling head probe,
The sampling head probe extends from the handle, with elongated structure and has hollow pipeline；Wherein, it is equipped in the handle
The proximal end of sampling pipe, the sampling head probe is connected to the sampling pipe, distally far from the handle.
One embodiment according to the present utility model, electronic nose sampler further include: be set on the sampling head probe
The first sheath and the second sheath, first sheath and second sheath are described with the sampling head probe coaxial line
The internal diameter of first sheath is greater than the internal diameter of second sheath, and first sheath is connect with the handle.
Another embodiment according to the present utility model, the handle have wall, and the wall is equipped with first through hole, described
First sheath is connected to the wall, so that the proximal end of the sampling head probe is connected with the sampling pipe by the first through hole
It is logical.
The wall of another embodiment according to the present utility model, the handle limits chamber, and the electronic nose sampler also wraps
It includes and is set to the intracavitary mounting plate, the mounting plate is equipped with the second through-hole, and the sampling pipe is plugged on second through-hole
Interior, the proximal end of first sheath is connected to the mounting plate across the first through hole and makes the hollow of the sampling head probe
Pipeline is connected to the sampling pipe.
Another embodiment according to the present utility model, the electronic nose sampler further include outside the wall of the handle
The mounting plate in portion, the mounting plate are equipped with the second through-hole, and the sampling pipe passes through the wall and institute by the first through hole
State the second through-hole grafting, first sheath be connected to the mounting plate make the hollow pipeline of the sampling head probe with it is described
Sampling pipe connection.
Another embodiment according to the present utility model, first sheath include sequentially connected first backplate, protection
Column and the second backplate, first backplate are equipped with third through-hole, and second backplate is equipped with fourth hole, the guard column
Interior formation accommodating space, first backplate are connect with the mounting plate, and second backplate is connect with second sheath, institute
It states fourth hole and is connected to the guard column and second sheath.
Another embodiment according to the present utility model, second sheath have cone cell outside wall surface and cylindrical inner wall
The diameter in face, the cross section of second sheath gradually becomes smaller from close to first sheath to far from first sheath.
Other side according to the present utility model, the electronic nose sampler further includes positioning component, the positioning group
Part is set in the proximal end of the sampling head probe, and the positioning component, which is placed in first sheath, makes the positioning component
One end is abutted with the mounting plate, and the other end is abutted with second backplate.
In the space that one embodiment according to the present utility model, the end of the guard column and second backplate surround
Equipped with liner, the liner is equipped with the fifth hole that be connected to the fourth hole, and the sampling head probe passes through described the
Five through-holes pass through the liner, and the end face for padding the close mounting plate is equipped with to be adapted with the end of the positioning component
Groove, the end accommodation of the positioning component is in the groove.
Other side according to the present utility model is equipped with the transition of cone cell between the guard column and second backplate
The diameter in portion, the transition part is gradually become smaller by the guard column to second backplate, described to pad the tapered and described lining
Padded degree is equal with the height of the transition part.
Another embodiment according to the present utility model, the positioning component include being set to the mounting plate and the along axial
Supporting element between two backplates, interior be equipped with of the supporting element are suitable for the 6th through-hole that the sampling head probe accommodates, and the described 6th
Through-hole is connected to second through-hole and the fourth hole, and the sampling head probe extends to described across the fourth hole
In 6th through-hole.
Another embodiment according to the present utility model, the positioning component further include being set on the outside of the supporting element
Cutting ferrule, the supporting element include external thread section and first non-threaded section, and the cutting ferrule includes internal thread segment and second non-threaded section,
Described first non-threaded section with described second non-threaded section of cooperation and described first non-threaded section of one end is supported with second backplate
It connects, the other end extends in the internal thread segment, and the external thread section is threadedly engaged with the internal thread segment and the external thread section
One end is abutted with described first non-threaded section of the end face extended in the internal thread segment, the other end stretch out the internal thread segment with
The mounting plate abuts.
Another embodiment according to the present utility model, the internal thread segment detachably connect with described second non-threaded section
It connects, first cover board of the internal thread segment close to the end of second sheath equipped with the closing internal thread segment, described first
Offering the 7th through-hole on cover board, the internal diameter of the 7th through-hole is not less than described second non-threaded section of outer diameter, and described second
The non-threaded section of end close to the mounting plate is equipped with the second cover board, and the outer diameter of second cover board is greater than the 7th through-hole
Internal diameter, described second non-threaded section of one end pass through the outside that the 7th through-hole extend out to the internal thread segment, the institute of the other end
The second cover board is stated to be accommodated in the internal thread segment and abut with first cover board.
Another embodiment according to the present utility model, the cutting ferrule are equipped with sealing institute close to the end face of second sheath
The third cover board of cutting ferrule is stated, the 8th through-hole with the 6th through-hole coaxial line, the sampling are offered on the third cover board
Head probe passes through the third cover board by the 8th through-hole, and third cover board one end is abutted with second backplate, separately
One end is abutted with described first non-threaded section.
Another embodiment according to the present utility model, between the third cover board and first non-threaded section of the end face
Equipped with sealing ring.
Another embodiment according to the present utility model, the sampling head probe include boss, ontology and cone cell head, described
Hollow pipeline runs through the boss, the ontology and the cone cell head, and the outer diameter of the boss is less than the outer diameter of the ontology, institute
Boss is stated set on the sampling head probe close to the proximal end of the sampling pipe, the cone cell head is set to the remote of the sampling head probe
End.
Another embodiment according to the present utility model, the length range of the sampling head probe are 30mm~60mm.
Another embodiment according to the present utility model, the inside diameter ranges of the sampling head probe are 1mm~3mm, outer diameter
Range is 5mm~8mm.
Another embodiment according to the present utility model, the internal diameter of the sampling head probe are 2mm, outer diameter 6mm, length
Degree is 40mm.
Another embodiment according to the present utility model, the sampling head probe are made of stainless steel, and the sampling head is visited
The outside wall surface of needle is equipped with polytetrafluoroethylene (PTFE).
Another embodiment according to the present utility model, the handle are equipped with trigger portion.
In the embodiment of aforementioned each exemplary according to the present utility model, the sampling head probe of electronic nose sampler with
Sampling pipe connection, when checking luggage case, by stretching sampling head probe through (such as zipper joint) at luggage case gap
Enter into luggage case, in the case where not unpacking, the probability for collecting the air being mixed with outside luggage case in gas can be reduced, from
And it may be implemented that luggage case rapidly and efficiently and accurately check.
It is described by below with reference to attached drawing to made by the utility model, the other objects and advantages of the utility model will
It is clear that can simultaneously help to be fully understood by the utility model.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of the electronic nose sampler of one embodiment according to the present utility model；
Fig. 2 shows the partial section enlarged view of electronic nose sampler shown in FIG. 1.
Appended drawing reference:
11- handle, 111- wall,
12- sampling head probe, 121- hollow pipeline, 122- boss, 123- ontology, 124- cone cell head,
13- sampling pipe,
The first sheath of 14-, the first backplate of 141-, 142- guard column, the second backplate of 143-, 144- liner, 1441- groove,
145- transition part, the first cover board of 146-, the second cover board of 147-,
The second sheath of 15-,
16- chamber,
17- mounting plate,
18- positioning component, 181- supporting element, 1811- external thread section, first non-threaded section of 1812-, 182- cutting ferrule,
1821- internal thread segment, second non-threaded section of 1822-, 183- third cover board,
19- sealing ring,
20- trigger portion.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.In
In specification, the same or similar drawing reference numeral indicates the same or similar component.It is following real to the utility model referring to attached drawing
The explanation for applying mode is intended to explain the overall utility model design of the utility model, and is not construed as practical to this
A kind of novel limitation.
In addition, in the following detailed description, to elaborate many concrete details to provide to present disclosure convenient for explaining
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments without these specific details can also be with
It is carried out.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
General technical design according to the present utility model, a kind of electronic nose sampler, comprising: handle；Sampling head is visited
Needle, the sampling head probe extend from the handle, with elongated structure and have hollow pipeline；Wherein, in the handle
Equipped with sampling pipe, the proximal end of the sampling head probe is connected to the sampling pipe, distally far from the handle.
Fig. 1 shows the structural schematic diagram of the electronic nose sampler of one embodiment according to the present utility model；Fig. 2 display figure
The partial section enlarged view of electronic nose sampler shown in 1.
As depicted in figs. 1 and 2, in one embodiment, a kind of electronic nose sampler is provided, comprising: handle 11；Sampling head
Probe 12, the sampling head probe 12 extend from the handle 11, with elongated structure and have hollow pipeline 121；Its
In, it is equipped with sampling pipe 13 in the handle 11, the proximal end of the sampling head probe 12 is connected to the sampling pipe 13, distally separate
The handle 11.
In one embodiment of the utility model, the inside diameter ranges of the sampling head probe 12 are 1mm~3mm, outer diameter
Range is 5mm~8mm, and length range is 30mm~60mm.In one embodiment, the internal diameter of the sampling head probe 12 is
2mm, outer diameter 6mm, length 40mm.In addition, in order to guarantee that sampling head probe 12 has enough structural strengths in order to slotting
Enter in luggage case, while the own material of sampling head probe 12 will not have an impact the volatility of electronic nose sampler smell analysis
The material of substance, the sampling head probe 12 is made of the virgin material of such as stainless steel etc., outside the sampling head probe 12
Wall surface is equipped with polytetrafluoroethylene (PTFE), to play heat-insulated effect.
Referring to Figure 1, in the illustrated embodiment, electronic nose sampler further include: be set in the sampling head probe 12
On the first sheath 14 and the second sheath 15, first sheath 14 and second sheath 15 with the sampling head probe
12 coaxial lines, the internal diameter of first sheath 14 are greater than the internal diameter of second sheath 15, first sheath 14 and the hand
Handle 11 connects.First sheath 14 and the second sheath 15 are an integral molding structure.Since sampling head probe 12 is more very thin, the first shield
Set 14 and the second sheath 15 play the role of protecting sampling head probe 12.
As shown in Figure 1, in one embodiment, the handle 11 has wall 111, and it is logical that the wall 111 is equipped with first
Hole, first sheath 14 are connected to the wall 111, so that the proximal end of the sampling head probe 12 and the sampling pipe 13 are in institute
State connection in first through hole.In one embodiment, the proximal end of sampling head probe 12 directly contacts abutting with the sampling pipe 13,
In another embodiment, sampling head probe 12 is abutted with sampling pipe 13 proximally by filter cotton or other filter elements.
In one embodiment, on the basis of above structure, as depicted in figs. 1 and 2, the wall 111 of the handle 11 is limited
Determine chamber 16, the electronic nose sampler further includes the mounting plate 17 in the chamber 16, and the mounting plate 17 is equipped with second
Through-hole, the sampling pipe 13 are plugged in second through-hole, and the proximal end of first sheath 14 connects across the first through hole
Being connected to the mounting plate 17 is connected to the hollow pipeline 121 of the sampling head probe 12 with the sampling pipe 13.Mounting plate 17
In the chamber 16 of handle 11 and extend to the proximal end of the first sheath 14 in the chamber 16 of handle 11 to be connected to the hollow pipeline
121 and the sampling pipe 13, the structure of electronic nose sampler can be kept more tight more fully using the space in handle 11
It gathers.
In one embodiment, mounting plate 17 can also be set to 11 outside of handle, specific structure are as follows: the electronic nose sampling
Device further includes the mounting plate 17 outside the wall 111 of the handle 11, and the mounting plate 17 is equipped with the second through-hole, described to adopt
Sample pipe 13 passes through the wall 111 and the second through-hole grafting by the first through hole, and first sheath 14 is connected to institute
Stating mounting plate 17 is connected to the hollow pipeline 121 of the sampling head probe 12 with the sampling pipe 13.Mounting plate 17 is set to
Outside the wall 111 of handle 11 and sampling pipe 13 is drawn and is connected outside wall 111 with the hollow pipeline 121 with the sampling head probe 12
Logical, which does not need the assembling that sampling head probe 12 is carried out inside handle 11, can reduce the assembly of electronic nose sampler
Difficulty.
More specifically, as shown in Fig. 2, in another embodiment, first sheath 14 includes sequentially connected the
One backplate 141, guard column 142 and the second backplate 143, first backplate 141 are equipped with third through-hole, second backplate
143 are equipped with fourth hole, and accommodating space, first backplate 141 and the mounting plate 17 are formed in the guard column 142
Connection, second backplate 143 connect with second sheath 15, the fourth hole connection guard column 142 with it is described
Second sheath 15.First backplate 141 and the second backplate 143 are to be parallel to each other and the central axis with guard column 142.In
In the embodiment of diagram, the first backplate 141 is fitted and connected with mounting plate 17 is stated.
In one embodiment, as shown in Fig. 2, second sheath 15 has cone cell outside wall surface and cylindrical inner wall face,
The diameter of the cross section of second sheath 15 gradually becomes smaller from close to first sheath 14 to far from first sheath 14.
The cone cell outside wall surface of second sheath 15 of the structure can make sampling head probe 12 relatively easily be inserted into progress in luggage case
Examination.
In one embodiment, the electronic nose sampler further includes positioning component 18, and the positioning component 18 is set in
The proximal end of the sampling head probe 12, the positioning component 18, which is placed in first sheath 14, makes the positioning component 18
One end is abutted with the mounting plate 17, and the other end is abutted with second backplate 143, so as to improve sampling head probe 12
Positioning accuracy, prevent sampling head probe 12 from shifting in use.
Referring to fig. 2, it is equipped with liner 144 in the space that the end of the guard column 142 and second backplate 143 surround,
The liner 144 is equipped with sampling head probe 12 described in the fifth hole being connected to the fourth hole by the described 5th
Through-hole passes through the liner 144, and the liner 144 is equipped with the end with the positioning component 18 close to the end face of the mounting plate 17
The compatible groove 1441 in portion, the end accommodation of the positioning component 18 is in the groove 1441.The liner 144 uses
Elastic material is made.Liner 144 made of elastic material can play the role of buffering and absorb vibration.It is padded by setting
144, the length for adjusting positioning component 18 can also be played the role of.
In one embodiment, the transition part of cone cell can be equipped between the guard column 142 and second backplate 143
145, the diameter of the transition part 145 is gradually become smaller by the guard column 142 to second backplate 143, and the liner 144 is in
Cone cell and 144 height of the liner are equal with the height of the transition part 145.Liner 144 is filled in transition part 145, can be with
Guarantee the reliability of positioning of liner 144, and then guarantees the circumferentially positioned precision of sampling head probe 12.
As shown in Fig. 2, the positioning component 18 includes being set between the mounting plate 17 and the second backplate 143 along axial
Supporting element 181, the supporting element 181 is interior to be equipped with the 6th through-hole for being suitable for the sampling head probe 12 accommodating, the 6th through-hole
It is connected to second through-hole and the fourth hole, the sampling head probe 12 passes through the fourth hole and extends to described the
In six through-holes.Supporting element 181 is fixedly connected with sampling head probe 12.The present embodiment can increase sampling head probe 12 and the peace
The contact area and the soundness of itself of loading board 17 and the second backplate 143.
In one embodiment, the positioning component 18 further includes the cutting ferrule 182 for being set in 181 outside of supporting element,
The supporting element 181 includes external thread section 1811 and first non-threaded section 1812, and the cutting ferrule 182 includes 1821 He of internal thread segment
Second non-threaded section 1822, described first non-threaded section 1812 and described second non-threaded section 1822 cooperation and the first non-spiral shell
1812 one end of line section is abutted with second backplate 143, and the other end extends in the internal thread segment 1821, the external thread section
1811 are threadedly engaged and 1811 one end of the external thread section and extend in the internal thread segment 1821 with the internal thread segment 1821
Described first non-threaded section 1812 of end face abut, the other end stretches out the internal thread segment 1821 to be supported with the mounting plate 17
It connects.Cutting ferrule 182 plays the role of protecting supporting element 181 herein.
In order to reduce the difficulty of processing and processing cost of cutting ferrule 182, convenient for batch production, as shown in Fig. 2, in a reality
It applies in example, the internal thread segment 1821 is detachably connected with described second non-threaded section 1822, and the internal thread segment 1821 is close
The end of second sheath 15 is equipped with the first cover board 146 for closing the internal thread segment 1821, opens on first cover board 146
Equipped with the 7th through-hole, the internal diameter of the 7th through-hole is not less than described second non-threaded section 1822 of outer diameter, the second non-spiral shell
Line section 1822 is equipped with the second cover board 147 close to the end of the mounting plate 17, and the outer diameter of second cover board 147 is greater than described the
The internal diameter of seven through-holes, described second non-threaded section of 1822 one end pass through the 7th through-hole and extend out to the internal thread segment 1821
Outside, second cover board 147 of the other end is accommodated in the internal thread segment 1821 and supports with first cover board 146
It connects.
More specifically, the cutting ferrule 182 is equipped with close to the end face of second sheath 15 seals the of the cutting ferrule 182
Three cover boards 183, the 8th through-hole with the 6th through-hole coaxial line is offered on the third cover board 183, and the sampling head is visited
Needle 12 passes through the third cover board 183, described 183 one end of third cover board and second backplate 143 by the 8th through-hole
It abuts, the other end is abutted with described first non-threaded section 1812.Third cover board 183 plays the first non-spiral shell of protection supporting element 181
Line section 1812 prevents first non-threaded section 1812 to act on second backplate 143.Third cover board 183 can be with the second backplate
143 directly abut, and can also be abutted indirectly by liner 144 above-mentioned with the second backplate 143.
In addition, in one embodiment of the utility model, the third cover board 183 with described first non-threaded section 1812
End face between be equipped with sealing ring 19.Sealing ring 19 can be O shape sealing ring, be made of elastic material.It is sealed by setting
Circle 19, can be enhanced the sealing effect of sampling head probe 12 and second non-threaded section 1822.
In one embodiment, as shown in Fig. 2, the sampling head probe 12 includes boss 122, ontology 123 and cone cell head
124, the hollow pipeline 121 is outside the boss 122, the ontology 123 and the cone cell head 124, the boss 122
Diameter is less than the outer diameter of the ontology 123, and the boss 122 is set to the sampling head probe 12 close to the close of the sampling pipe 13
End, the cone cell head 124 are set to the distal end of the sampling head probe 12.The cone cell head 124 is convenient for sampling head probe 12 and the
The cooperation of two sheaths 15.In the embodiment shown in Figure 2, the ontology 123 of sampling head probe 12 and boss 122 extend to external thread section
Cooperate in 1811 with it, then for variable cross-section through-hole, (section is along axis in external thread section 1811 for the 6th through-hole of supporting element 181
Direction change), it is suitable for being matched with the ontology 123 of sampling head probe 12 and boss 122.
In one embodiment, the handle is equipped with trigger portion 20 and is used as sampling switch.It replaces passing by trigger portion 20
The sampling button on sampling switch or software interface on the host of system can be used with more convenient operator.
In the embodiment of aforementioned each exemplary according to the present utility model, the sampling head probe of electronic nose sampler with
Sampling pipe connection, when checking luggage case, sampling head probe is extend into through (such as zipper joint) at luggage case gap
In luggage case, in the case where not unpacking, the probability for collecting the air being mixed with outside luggage case in gas can be reduced, so as to
Luggage case progress rapidly and efficiently and is accurately checked with realizing.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this field
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of structure described in various embodiments
It can be freely combined in the case where prominent.
Although the utility model is illustrated in conjunction with attached drawing, embodiment disclosed in attached drawing is intended to practical to this
Novel embodiment illustrates, and should not be understood as a kind of limitation to the utility model.
Although some embodiments of the utility model general plotting have been shown and have illustrated, those of ordinary skill in the art will
Understand, in the case where the principle and spirit without departing substantially from the utility model general plotting, these embodiments can be made a change, this
The range of utility model is limited with claim and their equivalent.
It should be noted that word " comprising " is not excluded for other element or steps, word "a" or "an" is not excluded for multiple.Separately
Outside, any element label of claim should not be construed as limitation the scope of the utility model.
Claims (21)
1. a kind of electronic nose sampler characterized by comprising
Handle (11)；With
Sampling head probe (12), the sampling head probe (12) extend from the handle (11), have elongated structure and have
Hollow pipeline (121)；
Wherein, sampling pipe (13) are equipped in the handle (11), the proximal end of the sampling head probe (12) and the sampling pipe
(13) it is connected to, distally far from the handle (11).
2. electronic nose sampler according to claim 1, which is characterized in that further include: it is set in the sampling head probe
(12) the first sheath (14) and the second sheath (15) on, first sheath (14) and second sheath (15) with it is described
Sampling head probe (12) coaxial line, the internal diameter of first sheath (14) are greater than the internal diameter of second sheath (15), and described the
One sheath (14) is connect with the handle (11).
3. electronic nose sampler according to claim 2, which is characterized in that the handle (11) has wall (111), described
Wall (111) is equipped with first through hole, and first sheath (14) is connected to the wall (111), so that the sampling head probe
(12) proximal end is connected to the sampling pipe (13) by the first through hole.
4. electronic nose sampler according to claim 3, which is characterized in that the wall (111) of the handle (11) limits chamber
(16), the electronic nose sampler further includes the mounting plate (17) in the chamber (16), and the mounting plate (17) is equipped with
Second through-hole, the sampling pipe (13) are plugged in second through-hole, and the proximal end of first sheath (14) passes through described the
One through-hole is connected to the hollow pipeline (121) and the sampling pipe that the mounting plate (17) makes the sampling head probe (12)
(13) it is connected to.
5. electronic nose sampler according to claim 3, which is characterized in that the electronic nose sampler further includes being set to institute
The external mounting plate (17) of the wall (111) of handle (11) is stated, the mounting plate (17) is equipped with the second through-hole, the sampling pipe
(13) wall (111) and the second through-hole grafting are passed through by the first through hole, first sheath (14) is connected to
The mounting plate (17) is connected to the hollow pipeline (121) of the sampling head probe (12) with the sampling pipe (13).
6. electronic nose sampler according to claim 4 or 5, which is characterized in that first sheath (14) includes sequentially
The first backplate (141), guard column (142) and the second backplate (143) of connection, first backplate (141) are logical equipped with third
Hole, second backplate (143) are equipped with fourth hole, form accommodating space, first backplate in the guard column (142)
(141) it is connect with the mounting plate (17), second backplate (143) connect with second sheath (15), the four-way
Hole is connected to the guard column (142) and second sheath (15).
7. electronic nose sampler according to claim 2, which is characterized in that second sheath (15) has cone cell outer wall
Face and cylindrical inner wall face, the diameter of the cross section of second sheath (15) is from close to first sheath (14) to separate institute
The first sheath (14) is stated to gradually become smaller.
8. electronic nose sampler according to claim 6, which is characterized in that the electronic nose sampler further includes positioning group
Part (18), the positioning component (18) are set in the proximal end of the sampling head probe (12), and the positioning component (18) is placed in
The positioning component (18) one end is abutted with the mounting plate (17) in first sheath (14), the other end and described the
Two backplates (143) abut.
9. electronic nose sampler according to claim 8, which is characterized in that the end of the guard column (142) with it is described
Liner (144) is equipped in the space that second backplate (143) surrounds, the liner (144) is equipped with and is connected to the fourth hole
Fifth hole, the sampling head probe (12) by the fifth hole pass through the liner (144), the liner (144)
It is equipped with groove (1441) compatible with the end of the positioning component (18) close to the end face of the mounting plate (17), it is described fixed
The end accommodation of hyte part (18) is in the groove (1441).
10. electronic nose sampler according to claim 9, which is characterized in that the guard column (142) and second shield
The transition part (145) of cone cell is equipped between plate (143), the diameter of the transition part (145) is by the guard column (142) described in
Second backplate (143) gradually becomes smaller, the liner (144) is tapered and the liner (144) highly with the transition part (145)
Height it is equal.
11. electronic nose sampler according to claim 8, which is characterized in that the positioning component (18) includes along axial direction
Supporting element (181) between the mounting plate (17) and the second backplate (143), interior be equipped with of the supporting element (181) are suitable for
6th through-hole of sampling head probe (12) accommodating, the 6th through-hole and second through-hole and the fourth hole connect
Logical, the sampling head probe (12) passes through the fourth hole and extends in the 6th through-hole.
12. electronic nose sampler according to claim 11, which is characterized in that the positioning component (18) further includes being arranged
Cutting ferrule (182) on the outside of the supporting element (181), the supporting element (181) include external thread section (1811) and the first non-spiral shell
Line section (1812), the cutting ferrule (182) includes internal thread segment (1821) and second non-threaded section (1822), and described first is non-threaded
Section (1812) and described second non-threaded section (1822) cooperation and described first non-threaded section of (1812) one end and second shield
Plate (143) abuts, and the other end extends in the internal thread segment (1821), the external thread section (1811) and the internal thread segment
(1821) be threadedly engaged and the external thread section (1811) one end with extend to it is described first non-in the internal thread segment (1821)
The end face of thread segment (1812) abuts, and the other end stretches out the internal thread segment (1821) and abuts with the mounting plate (17).
13. electronic nose sampler according to claim 12, which is characterized in that the internal thread segment (1821) and described the
It is detachably connected for two non-threaded sections (1822), the internal thread segment (1821) is equipped with envelope close to the end of second sheath (15)
The first cover board (146) of the internal thread segment (1821) is closed, offers the 7th through-hole on first cover board (146), described
The internal diameter of seven through-holes is not less than the outer diameter of described second non-threaded section (1822), and second non-threaded section (1822) are close to described
The end of mounting plate (17) is equipped with the second cover board (147), and the outer diameter of second cover board (147) is greater than the interior of the 7th through-hole
Diameter, described second non-threaded section of (1822) one end pass through the outside that the 7th through-hole extend out to the internal thread segment (1821),
Second cover board (147) of the other end is accommodated in the internal thread segment (1821) and abuts with first cover board (146).
14. electronic nose sampler according to claim 13, which is characterized in that the cutting ferrule (182) is close to described second
The end face of sheath (15) is equipped with the third cover board (183) for sealing the cutting ferrule (182), offers on the third cover board (183)
With the 8th through-hole of the 6th through-hole coaxial line, the sampling head probe (12) passes through the third by the 8th through-hole
Cover board (183), described third cover board (183) one end are abutted with second backplate (143), the other end and described first non-threaded
Section (1812) abuts.
15. electronic nose sampler according to claim 14, which is characterized in that the third cover board (183) and described the
Sealing ring (19) are equipped between the end face of one non-threaded section (1812).
16. electronic nose sampler according to claim 1, which is characterized in that the sampling head probe (12) includes boss
(122), ontology (123) and cone cell head (124), the hollow pipeline (121) run through the boss (122), the ontology (123)
With the cone cell head (124), the outer diameter of the boss (122) is less than the outer diameter of the ontology (123), and the boss (122) sets
In the sampling head probe (12) close to the proximal end of the sampling pipe (13), the cone cell head (124) is visited set on the sampling head
The distal end of needle (12).
17. electronic nose sampler according to claim 1, which is characterized in that the length model of the sampling head probe (12)
It encloses for 30mm~60mm.
18. electronic nose sampler according to claim 17, which is characterized in that the internal diameter model of the sampling head probe (12)
It encloses for 1mm~3mm, external diametrical extent is 5mm~8mm.
19. electronic nose sampler described in 7 or 18 according to claim 1, which is characterized in that the sampling head probe (12) it is interior
Diameter is 2mm, outer diameter 6mm, length 40mm.
20. electronic nose sampler according to claim 1, which is characterized in that the sampling head probe (12) is by stainless steel
It is made, the outside wall surface of the sampling head probe (12) is equipped with polytetrafluoroethylene (PTFE).
21. electronic nose sampler according to claim 1, which is characterized in that the handle (11) is equipped with trigger portion
(20)。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374363A (en) * | 2018-12-25 | 2019-02-22 | 同方威视技术股份有限公司 | A kind of electronic nose sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374363A (en) * | 2018-12-25 | 2019-02-22 | 同方威视技术股份有限公司 | A kind of electronic nose sampler |
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