CN212540042U

CN212540042U - Laser particle analyzer with small measurement error

Info

Publication number: CN212540042U
Application number: CN202021346543.6U
Authority: CN
Inventors: 杨涛; 柳钟丽; 韩广乾
Original assignee: Shanghai Yinhuang Technology Co ltd
Current assignee: Shanghai Yinhuang Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-02-12
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a laser particle analyzer that measuring error is little, including the laser detection box body, the bottom of laser detection box body is provided with fixed foot rest, and fixed foot rest passes through the screw connection with the laser detection box body, the outside of laser detection box body is provided with central machine box, and central machine box and laser detection box body fixed connection, the outside of central machine box is provided with the operation display screen. This laser particle analyzer that measuring error is little, the rotation that begins can be followed along the inboard of placing the notch to electronic pivot, and the activity spiral cover can be fixed in the inboard of electronic pivot through the draw-in groove, so when electronic pivot rotates, will drive the sample solution bottle of activity spiral cover and activity spiral cover below and together rotate, thereby realize the stirring operation to the inside sample solution of sample solution bottle, replace traditional agitator stirring through this kind of mode, thereby avoid the loss of sample solution proportion, the guarantee detects the required precision of numerical value.

Description

Laser particle analyzer with small measurement error

Technical Field

The utility model relates to a laser particle analyzer technical field specifically is a laser particle analyzer that measuring error is little.

Background

The laser particle analyzer is an apparatus for analyzing the size of particles through the spatial distribution (scattering spectrum) of diffraction or scattering light of the particles, and adopts Furanhofer diffraction and Mie scattering theories, so that the testing process is not influenced by various factors such as temperature change, medium viscosity, sample density, surface state and the like, and accurate testing results can be obtained as long as a sample to be tested is uniformly displayed in a laser beam.

The existing laser particle analyzer needs to stir sample solution when detecting a solution type sample, a certain amount of sample can be adhered to a stirrer used in the stirring process, and after the stirrer is taken out, the proportion of the sample and the solution can be changed, so that the detection value has certain deviation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser particle analyzer that measuring error is little to solve the laser particle analyzer that proposes in the above-mentioned background art and need stir sample solution when the sample to solution formula detects, and can the adhesion a certain amount of sample on the agitator that stirring process used, after the agitator takes out, the proportion of sample and solution will change, thereby leads to detecting the problem that numerical value has certain deviation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a little laser particle analyzer of measuring error, includes the laser detection box, the bottom of laser detection box is provided with fixed foot rest, and fixed foot rest passes through the screw connection with the laser detection box, the outside of laser detection box is provided with central quick-witted box, and central machine box and laser detection box fixed connection, the outside of central machine box is provided with operation display screen, and operation display screen passes through the draw-in groove with central machine box and be connected, the top of central machine box is provided with places the notch, the inboard of placing the notch is provided with electronic pivot, and electronic pivot rotates with the standing groove to be connected, the top of placing the notch is provided with the activity spiral cover, and the activity spiral cover passes through the draw-in groove with electronic pivot and is connected.

Preferably, the bottom of the movable screw cap is provided with a sample solution bottle, the top of the sample solution bottle is provided with a threaded bottle opening, the threaded bottle opening is rotatably connected with the movable screw cap through an internal thread, and the sample solution bottle is of a transparent structure.

Preferably, the temple of laser detection box is provided with detects the darkroom, the both sides of detecting the darkroom all are provided with condensing lens, and condensing lens passes through the draw-in groove with detecting the darkroom and is connected.

Preferably, a modem box is arranged below the detection darkroom, a light source sensing element is arranged on one side of the modem box, a laser light source is arranged on the other side of the modem box, and the light source sensing element and the laser light source are attached to and connected with the condensing lens.

Preferably, the bottom of the detection darkroom is provided with a rotary cup holder, and the rotary cup holder is rotatably connected with the detection darkroom.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the laser particle analyzer with small measurement error, the electric rotating shaft can rotate along the inner side of the placing groove opening, and the movable spiral cover can be fixed on the inner side of the electric rotating shaft through the clamping groove, so that when the electric rotating shaft rotates, the movable spiral cover and a sample solution bottle below the movable spiral cover can be driven to rotate together, and thus the stirring operation of the sample solution in the sample solution bottle is realized, the traditional stirrer is replaced by the mode for stirring, the loss of the proportion of the sample solution is avoided, and the precision requirement of the detection value is ensured;

2. according to the laser particle analyzer with small measurement error, a light beam generated by a laser light source can penetrate through a sample solution in a sample solution bottle and then reach an opposite light source sensing element, and the light beam is refracted when contacting particles in the solution in the process.

Drawings

FIG. 1 is an overall front view of the present invention;

fig. 2 is a schematic view of the overall expansion structure of the present invention;

fig. 3 is the internal structure diagram of the laser detection box of the present invention.

In the figure: 1. a laser detection box body; 2. a center machine box; 3. operating the display screen; 4. fixing a foot rest; 5. a movable screw cap; 6. placing the notch; 7. an electric rotating shaft; 8. a sample solution bottle; 9. a threaded bottle mouth; 10. a modem box; 11. a light source sensing element; 12. a laser light source; 13. detecting a darkroom; 14. a condenser lens; 15. the cup holder is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a laser particle analyzer with small measurement error comprises a laser detection box body 1, wherein a fixed foot stand 4 is arranged at the bottom of the laser detection box body 1, the fixed foot stand 4 is connected with the laser detection box body 1 through a screw to play a role of supporting and fixing, a center machine box 2 is arranged at the outer side of the laser detection box body 1, the center machine box 2 is fixedly connected with the laser detection box body 1, an operation display screen 3 is arranged at the outer side of the center machine box 2, the operation display screen 3 is connected with the center machine box 2 through a clamping groove, the operation display screen 3 can adopt a touch operation mode and is convenient to use, a placing notch 6 is arranged at the top of the center machine box 2, the placing notch 6 is positioned above a detection darkroom 13, a sample solution bottle 8 can be placed in the detection darkroom 13 through the placing notch 6, an electric rotating shaft 7 is arranged at the inner side of the placing notch 6, and the electric rotating shaft 7 is rotatably connected, place the top of notch 6 and be provided with activity spiral cover 5, and activity spiral cover 5 passes through the draw-in groove with electronic pivot 7 and is connected, electronic pivot 7 can be along the inboard rotation of starting of placing notch 6, and activity spiral cover 5 can be fixed in the inboard of electronic pivot 7 through the draw-in groove, so when electronic pivot 7 rotates, will drive the sample solution bottle 8 of activity spiral cover 5 and activity spiral cover 5 below and together rotate, thereby realize the stirring operation to the sample solution of 8 inside sample solution bottles, replace traditional agitator stirring through this kind of mode, thereby avoid the loss of sample solution proportion, the guarantee detects the required precision of numerical value.

Further, the bottom of activity spiral cover 5 is provided with sample solution bottle 8, and the top of sample solution bottle 8 is provided with screw thread bottleneck 9, and screw thread bottleneck 9 passes through the internal thread with activity spiral cover 5 and rotates and be connected, and sample solution bottle 8 sets up to transparent construction, matches out required solvent and detection sample according to a certain proportion, adds the sample afterwards in sample solution bottle 8, pours the solvent into again, later with sample solution bottle 8 and activity spiral cover 5 between screw up fixedly.

Further, the temple of laser detection box 1 is provided with detects darkroom 13, and the both sides that detect darkroom 13 all are provided with condensing lens 14, and condensing lens 14 passes through the draw-in groove with detecting darkroom 13 and are connected, controls the light source in certain extent through condensing lens 14, prevents that the condition of scattering from appearing in the light source to the precision that leads to data acquisition appears the deviation.

Further, a modem box 10 is arranged below the detection darkroom 13, a light source sensing element 11 is arranged on one side of the modem box 10, a laser light source 12 is arranged on the other side of the modem box, the light source sensing element 11 and the laser light source 12 are connected with a condensing lens 14 in an attaching mode, the laser light source 12 and the light source sensing element 11 are distributed on two sides of the detection darkroom 13, the sample solution bottle 8 is located inside the detection darkroom 13, a light beam generated by the laser light source 12 can penetrate through the sample solution in the sample solution bottle 8 and then reach the opposite light source sensing element 11, and the light beam can be refracted when contacting particles in the solution in the process.

Further, the bottom of the detection dark room 13 is provided with a rotary cup holder 15, the rotary cup holder 15 is rotatably connected with the detection dark room 13, the rotary cup holder 15 can support the sample solution bottle 8 entering the detection dark room 13, and the rotary cup holder 15 can also rotate together with the sample solution bottle 8.

The working principle is as follows: when in use, the required solvent and the detection sample are proportioned according to a certain proportion, then the sample is added into the sample solution bottle 8, then the solvent is poured, then the sample solution bottle 8 and the movable screw cap 5 are screwed and fixed, then the movable screw cap 5 with the sample solution bottle 8 is placed inside the placing notch 6, the placing notch 6 is positioned above the detection dark room 13, so the sample solution bottle 8 just enters the detection dark room 13, the electric rotating shaft 7 is arranged on the inner side of the placing notch 6, the electric rotating shaft 7 can start rotating along the inner side of the placing notch 6, the movable screw cap 5 can be fixed on the inner side of the electric rotating shaft 7 through the clamping groove, when the electric rotating shaft 7 rotates, the movable screw cap 5 and the sample solution bottle 8 below the movable screw cap 5 can be driven to rotate together, thereby the stirring operation of the sample solution inside the sample solution bottle 8 is realized, in this way, the traditional stirrer is replaced, so that the loss of the proportion of the sample solution is avoided, the precision requirement of the detection value is guaranteed, and during detection, the light beam generated by the laser light source 12 can penetrate through the sample solution in the sample solution bottle 8 and then reach the opposite light source sensing element 11, and the condition of refraction can occur when the light beam contacts particles in the solution in the process.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a laser particle analyzer that measuring error is little, includes laser detection box (1), its characterized in that: the laser detection box is characterized in that a fixed foot rest (4) is arranged at the bottom of the laser detection box body (1), the fixed foot rest (4) is connected with the laser detection box body (1) through screws, a central machine box (2) is arranged on the outer side of the laser detection box body (1), the central machine box (2) is fixedly connected with the laser detection box body (1), an operation display screen (3) is arranged on the outer side of the central machine box (2), the operation display screen (3) is connected with the central machine box (2) through a clamping groove, a placement groove opening (6) is formed in the top of the central machine box (2), an electric rotating shaft (7) is arranged on the inner side of the placement groove (6), the electric rotating shaft (7) is rotatably connected with the placement groove, a movable rotary cover (5) is arranged above the placement groove (6), and the movable rotary cover (5) is connected with the electric rotating shaft (7) through.

2. The laser particle sizer of claim 1, wherein the laser particle sizer has a low measurement error: the bottom of the movable screw cap (5) is provided with a sample solution bottle (8), the top of the sample solution bottle (8) is provided with a threaded bottle opening (9), the threaded bottle opening (9) is rotatably connected with the movable screw cap (5) through internal threads, and the sample solution bottle (8) is of a transparent structure.

3. The laser particle sizer of claim 1, wherein the laser particle sizer has a low measurement error: the laser detection box is characterized in that a detection darkroom (13) is arranged at the temporal part of the laser detection box body (1), condensing lenses (14) are arranged on two sides of the detection darkroom (13), and the condensing lenses (14) are connected with the detection darkroom (13) through clamping grooves.

4. A laser particle sizer having a small measurement error, according to claim 3, wherein: the detection device is characterized in that a data machine box (10) is arranged below the detection darkroom (13), a light source sensing element (11) is arranged on one side of the data machine box (10), a laser light source (12) is arranged on the other side of the data machine box, and the light source sensing element (11) and the laser light source (12) are attached to and connected with a condensing lens (14).

5. The laser particle analyzer with small measurement error according to claim 4, wherein: the bottom of the detection darkroom (13) is provided with a rotary cup holder (15), and the rotary cup holder (15) is rotatably connected with the detection darkroom (13).