CN107607446A - A kind of internal-circulation type micro-example pond - Google Patents
A kind of internal-circulation type micro-example pond Download PDFInfo
- Publication number
- CN107607446A CN107607446A CN201711135278.XA CN201711135278A CN107607446A CN 107607446 A CN107607446 A CN 107607446A CN 201711135278 A CN201711135278 A CN 201711135278A CN 107607446 A CN107607446 A CN 107607446A
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- sample window
- sample
- flow deflector
- internal
- circulation type
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Abstract
A kind of internal-circulation type micro-example pond, including drive device, agitating device, sample window and fixed support, sample window upper and lower ends set lid and sample window base on sample window respectively, sample window base is fixed on fixed support, counter sample window middle position is provided with light hole on fixed support, it is characterised in that：The flow deflector of L-type is provided between the front and rear two sides of the sample window, the flow deflector of L-type is integrally divided into mutually perpendicular riser and transverse sheet, the riser and transverse sheet are vertical with light path, riser is parallel with sample window side, agitating device is located in the lower chamber of flow deflector transverse sheet bottom, and driven device driving rotates clockwise.Take the mode of interior circulation to circulate solution, reach the effect that dispersed sample particle is distributed its epigranular, cycle frequency can be controlled by regulation motor rotating speed, and volume very little is easy to operate suitable for the detection of micro-example.
Description
Technical field
The present invention relates to laser particle analyzer field, is that one kind does interior circulation with propeller-driven sample particle in sample cell
The micro-example pond of motion, it is related to a kind of miniature cycling mechanism, and in particular to a kind of internal-circulation type micro-example pond.
Background technology
In the prior art, there are many kinds to the agitating mode of material：Propeller type, push type, turbine type, hyperboloid formula,
Outer circulation type etc..These agitating modes use extensively, but in small-sized or micromodule equipment in large-scale conventional equipment, these
Agitating mode is not appropriate for.Micro-example window space only has 5-10mm or so, and conventional whisk volume is larger, so cannot be used for
The stirring in micro-example pond.Sample cell is in the container for the mixture for holding sample and medium, and particle detections instrument
One of important parts.For the cheap sample of price general charged, the mode that outer circulation is usually taken in we is detected, this
Medium and sample needed for situation is more；For valuable sample, due to being available for the sample size of detection fewer, in order to save sample
Product, and reach the quantitative requirement of test, minute sample pond need to be used, both at home and abroad to the stirring side in micro-example pond in the same industry
Formula does not have correlative study yet.In order to realize agitating function to micro-example pond, the present invention designs can be narrow and small micro
The mechanism of circulation in being realized in sample cell, stirring demand is disclosure satisfy that in particle size analyzer operation.
The content of the invention
Using outer circulation etc., medium and sample are more needed for mode in order to solve in the prior art, fill up to micro-example pond
The defects of research of agitating mode lacks, can be in narrow and small micro sample the invention provides a kind of internal-circulation type micro-example pond
Circulated in being realized in product pond, agitating function is realized to micro-example pond, save sample and medium, easy to operate, sample window is readily removable
Unload, install.
Technical scheme provided by the invention is：A kind of internal-circulation type micro-example pond, including drive device, agitating device,
Sample window and fixed support, the upper and lower ends of sample window 4 set lid 3 and sample window base 7, sample window base on sample window respectively
7 are fixed on fixed support, and the middle position of counter sample window 4 is provided with light hole 10 on fixed support, it is characterised in that：The sample
The flow deflector 12 of L-type is provided between the front and rear two sides of product window 4, the flow deflector 12 of L-type is overall to be divided into mutually perpendicular riser and horizontal stroke
Piece, the riser and transverse sheet are vertical with light path, and riser is parallel with the side of sample window 4, flow deflector 12 up and down, left and right edges with
There is space at the edge of sample window 4；Riser is located at the left side of the position of 4 face light hole of sample window 10, and transverse sheet is located at face light hole
The bottom of position；Lid 3 and sample window base 7 have cover slot and sample window bottom on the sample window matched with sample window 4 on sample window
Seat slot, cover slot and sample window bottom tub position corresponding with the inner chamber of sample window 4 are respectively toward internal concave shape into circular arc on sample window
The upper cavity 19 and lower chamber 20 of shape；The agitating device is located in the lower chamber 20 of the transverse sheet bottom of flow deflector 12, and is driven
Device driving rotates clockwise.
Further, the riser of flow deflector and transverse sheet are arcuation transition.
Further, the right-hand end of flow deflector transverse sheet is to the close arc-shaped of agitating device.
Further, flow deflector is any one in plastics or metal material, and flow deflector is bonded in sample by glue
On the front and rear two sides of product window.
Further, the agitating device is rotatable blade construction.
Further, in order to play more preferable guide functions, the lower surface of the flow deflector transverse sheet right-hand end and blade
The external arc of clockwise movement is concentric circles, and the two intermediate space is 1mm.
Further, the blade construction is propeller, there is five blades, and material is stainless steel.
Further, the drive device is motor, and motor is also associated with machine governor, and motor is brush DC electricity
Machine.
Further, sample window length is 40 millimeters, and width is 40 millimeters, and general thickness is 11-16 millimeters, intermediate gaps
Thickness be 5-10 millimeters, the sample window is fixed on sample window base by being covered on sample window by annular knurl flat head screw.
Further, the feed arrangement communicated with upper cavity is covered with the sample window, sample window base is provided with out
Water pipe；Sample window material is any one in quartz glass or optical glass, sample window submount material be duralumin, hard alumin ium alloy or
Any one in plastics.
Further, fixed support is motor fixing plate, and motor fixing plate material is times in duralumin, hard alumin ium alloy or plastics
Meaning is a kind of.
Beneficial effects of the present invention are:
Take the mode of interior circulation to circulate solution, reach the effect that dispersed sample particle is distributed its epigranular.This
Kind inner loop mode saves sample and medium more than 95% compared to outer circulation mode.
Cycle frequency can be controlled by regulation motor rotating speed, and control is more stable, and adjustable range is wider, to variable grain
The sample of size can play good ringing, can survey the wider sample of granular size scope.
Volume very little, easy to operate suitable for the detection of micro-example, sample window is quick detachable, installation, is detected entirely
Cheng Zhong, without dismantling sample window.
Brief description of the drawings
Fig. 1 is internal-circulation type micro-example pond left view provided by the invention；
Fig. 2 is internal-circulation type micro-example pond front view provided by the invention；
Fig. 3 is internal-circulation type micro-example pond rearview provided by the invention.
In figure, 1. annular knurl flat head screws, 2. motor fixing plates, cover on 3. sample windows, 4. sample windows, hexagonal cylindrical head in 5.
Screw, 6. motors, 7. sample window bases, 8. machine governors, 9. wires, 10. light holes, 11.O type sealing rings, 12. water conservancy diversion
Piece, 13. holding screws, 14. propellers, 15. sample window seal gaskets, 16. screws, 17. outlet pipes, 18. feed arrangements, 19.
Upper cavity, 20. lower chambers.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, technical scheme include drive device, agitating device, sample window assembly with
And fixed support.Drive device is motor 6, is fixed on by hexagon socket cap head screw 5 on fixed support, motor 6 is also associated with
Machine governor 8, connected by wire 9, motor 6 is DC brushless motor, and the rotating speed of motor can be adjusted within the specific limits.
The agitating device is rotatable blade construction, is preferably propeller 14, is fixed on the drive means, spiral
Oar 14 is clockwise pivoted；Propeller 14 is fixed on by holding screw 13 on the main shaft of motor 6, the main shaft and sample window of motor 6
Sealed between base 7 by O-ring seal 11.Propeller 14 is located in the cavity of sample window base 7.
Fixed support is motor fixing plate 2, as shown in figure 3, motor fixing plate 2 is provided with the circular light hole for passing through laser
10, the material of motor fixing plate 2 is any one in duralumin, hard alumin ium alloy or plastics.
Propeller 14 has five blades, and material is stainless steel, preferably 304 stainless steels.
Sample window 4 is 40 millimeters of length, and 40 millimeters of width, general thickness 11-16 millimeters, the thickness of intermediate gaps is 5-10
The rectangular configuration of millimeter, sample window upper and lower ends set lid 3 and sample window base 7, sample window base 7 on sample window to fix respectively
On fixed support, the middle position of counter sample window 4 is provided with light hole 10 on fixed support, and laser beam is shone by light hole 10
Penetrate on two sides, the light path of laser beam is vertical with the front and rear two sides of sample window before and after sample window 4..
The sample window 4 is fixed on sample window base 7 by lid on sample window 3 by annular knurl flat head screw 1.Put down by annular knurl
Head screw 1 clamps, and annular knurl flat head screw 1 easily rotates, and facilitates the dismounting and cleaning of sample window 4；Specifically, described sample window
Base 7 is fixed on motor fixing plate 2 by screw 16, and screw 16 is preferably hexagon socket cap head screw.
Lid 3 and sample window base 7 have cover slot and sample window base on the sample window matched with sample window 4 on sample window
Groove, upper and lower correct of sample window 4 is set to be positioned in groove, cover slot and sample window bottom tub and the inner chamber pair of sample window 4 on sample window
It is easy to the stream of liquid toward internal concave shape into the upper cavity 19 of arc-shaped and lower chamber 20, arc-shaped cavity respectively in the position answered
It is dynamic, required for the radian of circular arc without especially specific；Sample window base 7 is additionally provided with sample window seal gasket 15, plays close
Envelope acts on.
Such as Fig. 2, the flow deflector 12 of L-type, overall point of the flow deflector 12 of L-type are provided between the front and rear two sides of the sample window 4
For mutually perpendicular riser and transverse sheet, riser and transverse sheet are vertical with light path, and riser is parallel with the side of sample window 4, flow deflector 12
Up and down, inner wall edge of the left and right edges with sample window 4 leave space；Riser is located at the position of 4 face light hole of sample window 10
Left side, transverse sheet is located at the bottom of the position of 4 face light hole of sample window 10, do not influence passing through for light beam；The flow deflector 12 of L-type is proper
Well between the front and rear two sides of sample window 4, flow deflector 12 can be bonded on the front and rear two sides of sample cell 4 by glue；It is described
Agitating device is located in the lower chamber 20 of the transverse sheet bottom of flow deflector 12, and driven device driving rotates clockwise.
Preferably, the riser of flow deflector 12 and transverse sheet are arcuation transition, and the right-hand end of flow deflector transverse sheet is to be filled to stirring
The close arc-shaped of propeller 14 is put, the center section of transverse sheet is transverse horizontal structure.The transverse sheet right-hand end of flow deflector 12
The external arc of lower surface and the blade clockwise movement of propeller 14 be concentric circles, the two intermediate space is preferably 1mm.
The quality of flow deflector 12 is harder, is L-type bar shaped laminated structure, and riser is rectangular configuration, transverse sheet is consistent with riser width,
Arcuation transition；Material is unlimited, is preferably any one in plastics or metal material, for being led to sample mixture
Stream, makes its sample particle pass through the middle section of sample window 4.
Intelligible, as shown in Fig. 2, Fig. 1, the top of lid 3 is provided with feed arrangement 18 on sample window, feed arrangement 18 with it is upper
Cavity 19 communicates, and feed arrangement is feeding funnel；Sample window base 7 is provided with outlet pipe 17；The material of sample window 4 is quartz glass
Or any one in optical glass, the material of sample window base 7 are any one in duralumin, hard alumin ium alloy or plastics.
First, sample window 4 is fixed on sample window base 7, tightens annular knurl flat head screw 1.Then clamped with tongs
Outlet pipe 17, make its blocking.Then micro-example is put into sample window 4, then adds appropriate medium from feeding funnel inlet.
DC brushless motor is opened, with machine governor 8 come the rotating speed of controlled motor, the regulation of rotating speed can be according to the sedimentation of sample particle
Speed is adjusted, and sinking speed is fast, tune up the rotating speed of DC brushless motor accordingly；Sinking speed is slow, turns direct current down accordingly
The rotating speed of brushless electric machine, it is therefore an objective to enable sample to be evenly distributed in sample window 4.Motor 6 rotates, by electric machine main shaft,
So that propeller 14 is clockwise pivoted, so as to drive sample mixed liquor to flow.By the water conservancy diversion of flow deflector 12, sample particle leads to
Cross the middle section of sample window.The middle section of sample window 4 has laser beam to pass through.Therefore, it can realize and micro-example is carried out
Granule detecting.
Finished etc. to be detected, power supply can be closed, treat that DC brushless motor stops operating, opened tongs, make mixed liquor
Outflow, it is then clean with medium washes, finally clamp outlet pipe 17 with tongs.This is a flow of this invention work.
Whole detection process is not required to dismantle sample window 4, so as to avoid cumbersome dismounting, installation process.Clean when needing or more vary
During product window 4, annular knurl flat head screw 1 only need to be outwarded winding, lid 3 on sample window is removed, can remove.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
Any modification, equivalent substitution and improvements done within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of internal-circulation type micro-example pond, including drive device, agitating device, sample window and fixed support, sample window
（4）Upper and lower ends set on sample window and covered respectively（3）With sample window base（7）, sample window base（7）It is fixed on fixed support
On, counter sample window on fixed support（4）Middle position is provided with light hole（10）, it is characterised in that：The sample window（4）Before
The flow deflector of L-type is provided between two sides afterwards（12）, the flow deflector of L-type（12）Entirety is divided into mutually perpendicular riser and transverse sheet, institute
State riser and transverse sheet is vertical with light path, riser and sample window（4）Side is parallel, flow deflector（12）Up and down, left and right edges with
Sample window（4）Inwall between have space；Riser is located at sample window（4）Face light hole（10）The left side of position, transverse sheet are located at
The bottom of face thang-kng hole site；Covered on sample window（3）With sample window base（7）Have and sample window（4）The sample window of matching
Upper cover slot and sample window bottom tub, cover slot and sample window bottom tub and sample window on sample window（4）Distinguish position corresponding to inner chamber
Toward internal concave shape into the upper cavity of arc-shaped（19）And lower chamber（20）；The agitating device is located at flow deflector（12）Under transverse sheet
The lower chamber in portion（20）It is interior, and driven device driving rotates clockwise.
2. internal-circulation type micro-example pond according to claim 1, it is characterised in that：Flow deflector（12）Riser and transverse sheet
For arcuation transition.
3. internal-circulation type micro-example pond according to claim 2, it is characterised in that：Flow deflector（12）The right-hand end of transverse sheet
Portion is to the close arc-shaped of agitating device.
4. internal-circulation type micro-example pond according to claim 3, it is characterised in that：Flow deflector（12）For plastics or gold
Belong to any one in material, flow deflector（12）Sample window is bonded in by glue（4）Front and rear two sides on.
5. the internal-circulation type micro-example pond according to claim 1-4 any claims, it is characterised in that：The stirring
Device is rotatable blade construction.
6. internal-circulation type micro-example pond according to claim 5, it is characterised in that：The flow deflector（12）The right side of transverse sheet
The lower surface of side end and the external arc of vane clockwise motion are concentric circles, and the two intermediate space is 1mm.
7. internal-circulation type micro-example pond according to claim 6, it is characterised in that：The blade construction is propeller
（14）, have five blades, material is stainless steel.
8. internal-circulation type micro-example pond according to claim 7, it is characterised in that：The drive device is motor（6）,
Motor（6）It is also associated with machine governor（8）, motor is DC brushless motor.
9. internal-circulation type micro-example pond according to claim 8, it is characterised in that：Sample window（4）Length is 40 millimeters,
Width is 40 millimeters, and general thickness is 11-16 millimeters, and the thickness of intermediate gaps is 5-10 millimeters, the sample window（4）By sample
Covered on window（3）Pass through annular knurl flat head screw（1）It is fixed on sample window base（7）On.
10. internal-circulation type micro-example pond according to claim 9, it is characterised in that：Covered on the sample window（3）It is provided with
With upper cavity（19）The feed arrangement communicated（18）, sample window base（7）It is provided with outlet pipe（17）；Sample window（4）Material is
Any one in quartz glass or optical glass, sample window base（7）Material is any one in duralumin, hard alumin ium alloy or plastics
Kind；Fixed support is motor fixing plate（2）, motor fixing plate material is any one in duralumin, hard alumin ium alloy or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711135278.XA CN107607446B (en) | 2017-11-16 | 2017-11-16 | Internal circulation type micro sample cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711135278.XA CN107607446B (en) | 2017-11-16 | 2017-11-16 | Internal circulation type micro sample cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107607446A true CN107607446A (en) | 2018-01-19 |
| CN107607446B CN107607446B (en) | 2023-09-15 |
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ID=61085752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711135278.XA Active CN107607446B (en) | 2017-11-16 | 2017-11-16 | Internal circulation type micro sample cell |
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| Country | Link |
|---|---|
| CN (1) | CN107607446B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799189A (en) * | 2019-01-24 | 2019-05-24 | 浙江理工大学 | A kind of centrifugal cycle detection pond and its application |
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