Sample introduction device of laser particle analyzer

Abstract

According to the sample introduction device of the laser particle analyzer, the feeding speed is realized through different hole diameters of the flow control holes, so that manual intervention is reduced, the control accuracy of the feeding speed is relatively high, and the influence on a detection result of a sample is reduced or avoided. A supporting plate is connected with a connecting plate, an opening is formed in the connecting plate, a funnel is installed in the opening, a connecting assembly is arranged on one side of the supporting plate, a vibration motor is installed on the connecting assembly, a mounting plate body is arranged below the funnel, and a multi-hole switching disc is arranged below the mounting plate body. A plurality of flow control holes with different hole diameters are formed in the multi-hole switching disc, and the mounting plate body is connected with the connecting assembly; the vibration motor is used for driving the connecting assembly to vibrate, the connecting assembly is used for driving the funnel to vibrate through the supporting plate, a sample is shaken off into the porous switching disc through an outlet of the vibrating funnel, and the porous switching disc is used for controlling the sample injection speed of the sample through a plurality of apertures.

Description

Technical Field

[0001] The present application relates to the technical field of laser particle size detection, and in particular to a sample injection device of a laser particle size analyzer. Background Art

[0002] Light is an electromagnetic wave. When it encounters particles during propagation, it will interact with them, and part of it will deviate from its original direction of travel. This physical phenomenon is called light scattering. When a beam of parallel light encounters obstacle particles during propagation, the angle at which the light wave is scattered and deflected is related to the size of the particles. The larger the particle size, the smaller the angle of light wave deflection, and the smaller the particle size, the larger the angle of light wave deflection. The laser particle size analyzer performs particle size analysis based on the physical properties of this light wave. Therefore, laser particle size analyzers are widely used in powder metallurgy, thin films, membrane materials, catalysts, insulating materials, lubricants, superconductors, radio technology and other industries and play an increasingly important role.

[0003] When using a laser particle size analyzer to analyze samples, it is necessary not only to control the quality of the samples, but also to control the sample feed speed. Different feed speeds will have a direct impact on the analysis of the particle size in the sample. When the feed speed is too fast or too slow, the particle size analysis of the sample may not be in place. At present, manual intervention is still required when controlling the sample feed speed, and the accuracy of the feed speed control is low, which may affect the sample test results. Utility Model Content

[0004] In order to solve the above technical problems, the present application provides a sample injection device for a laser particle size analyzer.

[0005] The technical solution provided in this application is described below:

[0006] The present application provides a sample introduction device for a laser particle size analyzer, comprising: a support plate, a connecting plate, a funnel, a connecting assembly, a vibration motor, a mounting plate body and a porous switching disk;

[0007] The support plate is connected to the connecting plate, an opening is provided on the connecting plate, the funnel is installed in the opening, the connecting assembly is provided on one side of the support plate, the vibration motor is installed on the connecting assembly, the mounting plate body is provided below the funnel, the porous switching disk is provided below the mounting plate body, a plurality of flow control holes with different apertures are provided on the porous switching disk, and the mounting plate body is connected to the connecting assembly; the vibration motor is used to drive the connecting assembly to vibrate, the connecting assembly is used to drive the funnel to vibrate through the support plate, the sample is shaken off into the porous switching disk through the vibrating funnel outlet, and the porous switching disk is used to control the injection speed of the sample through multiple apertures.

[0008] Optionally, the connecting assembly includes a mounting plate and a connecting column, two connecting columns are mounted on one end of the mounting plate, the other end of the connecting column is connected to the connecting plate, and the vibration motor is mounted on the lower end of the mounting plate.

[0009] Optionally, a plurality of positioning holes are further provided on the multi-hole switching disk, and the multi-hole switching disk is installed below the mounting plate body through the plurality of positioning holes.

[0010] Optionally, a plurality of flow control holes with different apertures on the porous switching disk are arranged at equal intervals.

[0011] Optionally, the connecting plate and the supporting plate are vertically arranged.

[0012] Optionally, the opening passes through the connecting plate, and the funnel is detachably mounted in the opening.

[0013] Optionally, a through hole is provided on the mounting plate body, and the through hole is provided directly below the funnel.

[0014] Optionally, the inner surface of the flow control hole is set to a smooth surface.

[0015] It can be seen from the above technical solutions that this application has the following advantages:

[0016] The sample introduction device of the laser particle size analyzer of the present application is provided with a support plate, a connecting plate, a funnel, a connecting assembly, a vibration motor, a mounting plate body and a porous switching disk; the support plate is connected to the connecting plate, the connecting plate is provided with an opening, the funnel is installed in the opening, the connecting assembly is provided on one side of the support plate, the vibration motor is installed on the connecting assembly, the mounting plate body is provided below the funnel, the porous switching disk is provided below the mounting plate body, the porous switching disk is provided with a number of flow control holes of different apertures, and the mounting plate body is connected to the connecting assembly. Among them, the vibration motor is used to drive the connecting assembly to vibrate, the connecting assembly is used to drive the funnel to vibrate through the support plate, the sample is shaken off into the porous switching disk through the vibrating funnel outlet, and the porous switching disk is used to control the sample introduction speed through multiple apertures.

[0017] It can be further known that under the action of the vibration motor, the sample in the funnel can be shaken into the porous switching disk, in which a plurality of flow control holes with different apertures are arranged. When the sample falls into the porous switching disk, the feeding speed is achieved by the different apertures of each flow control hole, thereby reducing manual intervention and having a higher accuracy in controlling the feeding speed, thereby reducing or avoiding the impact on the test results of the sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution in the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the sample introduction device of the laser particle size analyzer of this application;

[0020] Figure 2 A schematic top view of a multi-hole switching disk in a sample introduction device of a laser particle size analyzer of the present application;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of a multi-hole switching disk in the sample introduction device of the laser particle size analyzer of the present application;

[0022] In the figure: 1, support plate; 2, connecting plate; 3, funnel; 4, connecting column; 5, mounting plate; 6, vibration motor; 7, mounting plate; 8, multi-hole switching plate; 81, positioning hole; 82, flow control hole. DETAILED DESCRIPTION

[0023] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only used to illustrate the relative positional relationships between the various components or components, and do not particularly limit the specific installation orientations of the various components or components.

[0024] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0025] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] In addition, the structures, proportions, sizes, etc. drawn in the drawings in the present application are only used to match the contents disclosed in the specification for the technical personnel in this field to understand and read, and are not used to limit the restrictive conditions under which the present application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present application without affecting the effects and purposes that can be achieved by the present application.

[0027] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0028] When using a laser particle size analyzer to analyze samples, it is necessary not only to control the quality of the samples, but also to control the sample feed speed. Different feed speeds will have a direct impact on the analysis of the particle size in the sample. When the feed speed is too fast or too slow, the particle size analysis of the sample may not be in place. At present, manual intervention is still required when controlling the sample feed speed, and the accuracy of the feed speed control is low, which may affect the sample test results.

[0029] Based on this, the present application provides a sample feeding device for a laser particle size analyzer, which realizes the feeding speed by different apertures of each flow control hole, thereby reducing manual intervention and having a high degree of accuracy in controlling the feeding speed, thereby reducing or avoiding the impact on the detection results of the sample.

[0030] See also Figures 1 to 3 , the present application provides a sample introduction device for a laser particle size analyzer, comprising: a support plate 1, a connecting plate 2, a funnel 3, a connecting assembly, a vibration motor 6, a mounting plate 7 and a porous switching disk 8;

[0031] The support plate 1 is connected to the connecting plate 2, and an opening is provided on the connecting plate 2, and the funnel 3 is installed in the opening, the connecting assembly is arranged on one side of the support plate 1, and the vibration motor 6 is installed on the connecting assembly, the mounting plate body 7 is arranged below the funnel 3, and the porous switching disk 8 is arranged below the mounting plate body 7, and the porous switching disk 8 is provided with a plurality of flow control holes 82 with different apertures, and the mounting plate body 7 is connected to the connecting assembly; the vibration motor 6 is used to drive the connecting assembly to vibrate, and the connecting assembly is used to drive the funnel 3 to vibrate through the support plate 1, and the sample is shaken off into the porous switching disk 8 through the outlet of the vibrating funnel 3, and the porous switching disk 8 is used to control the injection speed of the sample through multiple apertures.

[0032] In the implementation of the present application, the connecting plate is vertically arranged between the supporting plate 1, that is, the supporting plate 1 is placed vertically, the connecting plate is arranged on one side of the supporting plate 1, an opening is arranged on the connecting plate, the opening passes through the connecting plate, and the opening area of ​​the opening is not specifically limited here, a funnel 3 is placed in the opening, the funnel 3 is used to place the sample, and a mounting plate body 7 is installed below the funnel 3, wherein a through hole is arranged on the mounting plate body 7, and the through hole is arranged directly below the funnel 3, and a porous switching disk 8 is installed below the mounting plate body 7, and a plurality of flow control holes 82 with different apertures are arranged on the porous switching disk 8, and the size of the flow control holes 82 of each aperture is not specifically limited here, and can be set according to actual conditions. In order to reduce or avoid the sample being stuck in the flow control hole 82, the surface of each flow control hole 82 is set to a smooth surface, so that the sample entering the flow control hole 82 can smoothly pass through the flow control hole 82 and enter the detection area for detection and processing.

[0033] In actual application, the vibration motor 6 is started, and the vibration motor 6 drives the connecting component to vibrate. Since the connecting component is installed on one side of the connecting plate 2, when the connecting component vibrates, it will drive the connecting plate 2 to vibrate, thereby driving the funnel 3 installed on the connecting plate 2 to vibrate. During the vibration process, the funnel 3 can shake the sample into the porous switching disk 8. A plurality of flow control holes 82 with different apertures are arranged in the porous switching disk 8. When the sample falls into the porous switching disk 8, the feeding speed is achieved by the different apertures of each flow control hole 82, thereby reducing manual intervention and having a high degree of accuracy in controlling the feeding speed, thereby reducing or avoiding the impact on the sample detection result.

[0034] Among them, the connecting component includes a mounting plate 5 and a connecting column 4, two connecting columns 4 are installed at one end of the mounting plate 5, and the other end of the connecting column 4 is connected to the connecting plate 2. The vibration motor 6 is installed at the lower end of the mounting plate 5, and the two connecting columns 4 are connected to the mounting plate 5 and the connecting plate 2 by welding. Therefore, when the vibration motor 6 drives the mounting plate 5 to vibrate, the vibration force can be better transmitted to the funnel 3, so that the sample in the funnel 3 is shaken into the porous switching disk 8.

[0035] Among them, a plurality of positioning holes 81 are also provided on the porous switching disk 8. The porous switching disk 8 is installed below the mounting plate body 7 through the plurality of positioning holes 81. The number of the positioning holes 81 is not specifically limited here and can be set according to actual conditions. By providing the positioning holes 81, the porous switching disk 8 can be accurately positioned below the through holes of the mounting plate body 7, thereby ensuring that the sample shaken off the funnel 3 can accurately fall onto the top of the porous switching disk 8.

[0036] Among them, several flow control holes 82 with different apertures on the porous switching disk 8 are arranged at equal intervals. The aperture sizes of the flow control holes 82 on the porous switching disk 8 and the intervals therebetween are not specifically limited here and can be set according to actual conditions.

[0037] It should be noted that the above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the present application. Various modifications to these embodiments will be apparent to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sample introduction device for a laser particle size analyzer, characterized in that: include: Support plate, connecting plate, funnel, connecting assembly, vibration motor, mounting plate and multi-hole switching plate; The support plate is connected to the connecting plate, an opening is provided on the connecting plate, the funnel is installed in the opening, the connecting assembly is provided on one side of the support plate, the vibration motor is installed on the connecting assembly, the mounting plate body is provided below the funnel, the porous switching disk is provided below the mounting plate body, a plurality of flow control holes with different apertures are provided on the porous switching disk, and the mounting plate body is connected to the connecting assembly; the vibration motor is used to drive the connecting assembly to vibrate, the connecting assembly is used to drive the funnel to vibrate through the support plate, the sample is shaken off into the porous switching disk through the vibrating funnel outlet, and the porous switching disk is used to control the injection speed of the sample through multiple apertures.

2. The sample introduction device of the laser particle size analyzer according to claim 1, characterized in that: The connecting assembly includes a mounting plate and a connecting column. Two connecting columns are installed on one end of the mounting plate. The other end of the connecting column is connected to the connecting plate. The vibration motor is installed at the lower end of the mounting plate.

3. The sample introduction device of the laser particle size analyzer according to claim 1, characterized in that: The multi-hole switching disk is also provided with a plurality of positioning holes, and the multi-hole switching disk is installed below the mounting plate body through the plurality of positioning holes.

4. The sample introduction device of the laser particle size analyzer according to claim 1, characterized in that: The flow control holes with different apertures on the porous switching disk are arranged at equal intervals.

5. The sample introduction device of the laser particle size analyzer according to claim 1, characterized in that: The connecting plate is vertically arranged between the supporting plate.

6. The sample introduction device of the laser particle size analyzer according to claim 2, characterized in that: The opening passes through the connecting plate, and the funnel is detachably installed in the opening.

7. The sample introduction device of the laser particle size analyzer according to claim 2, characterized in that: The mounting plate body is provided with a through hole, and the through hole is arranged directly below the funnel.

8. The sample introduction device of the laser particle size analyzer according to claim 1, characterized in that: The inner surface of the flow control hole is configured as a smooth surface.

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