Rotary dry powder aerosol generating device

Abstract

The utility model discloses a rotary dry powder aerosol generating device which comprises a rack and an aerosol generating device arranged on the rack, and the aerosol generating device comprises a sample chamber, a rotation generating mechanism and a sliding mechanism for driving the rotation generating mechanism to move up and down in the sample chamber to scrape materials; the sample chamber is provided with a compressed air joint, and the rotation generation mechanism is provided with a discharge channel communicated with the sample chamber; and a first driving mechanism for driving the rotation generating mechanism to rotate and a second driving mechanism for driving the sliding mechanism to slide are arranged in the rack. According to the utility model, the independent first driving mechanism is responsible for the rotary motion of the rotation generating mechanism, and the second driving mechanism is responsible for the vertical motion of the sliding mechanism, so that the rotation generating mechanism rotates in the sample chamber and scrapes materials up and down, and the requirements of diversified samples and different treatment methods for the same sample can be met; wherein the sample chamber adopts a visual design, so that the powder filling amount in the sample chamber can be monitored, and the consumption amount of the powder and the like can be observed in real time.

Description

Technical Field

[0001] The utility model belongs to the technical field of aerosol generating devices, in particular to a rotary dry powder aerosol generating device. Background Art

[0002] The dry powder generating device can make powdered samples into fine dust aerosol particles. There are many types of dry powder aerosol generating devices, among which the common ones are rotary type, crawler type, rotating brush type, etc., which are generally composed of powder sample filling structure and powder feeding structure.

[0003] The existing rotary dry powder generating device is described in "CN201911189005.2 A dry powder generator", in which the motor drives the driving gear 1 and the driving gear 2 to link the driven gear 1 and the driven gear 2 to perform circular motion respectively; wherein the driven gear 1 is equipped with a scraper disk connected to the inner shaft for rotational motion, and the driven gear 2 drives the sample chamber to perform differential feeding motion, thereby scraping the dry powder sample and blowing it to the outside of the device through compressed air. However, due to the limitations of its structural design, the rotation speed of the scraper disk and the feed speed of the sample chamber are controlled by a single motor driving a gear set with a gear ratio, so that the generation mode is relatively single and is limited by an unchangeable gear set. Under the background of existing experimental requirements, it is difficult to be compatible with various different samples and the dry powder aerosol generation requirements for diversified treatment of the same sample.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] The purpose of the utility model is to provide a rotary dry powder aerosol generating device, so as to overcome the defects in the above-mentioned prior art.

[0006] In order to achieve the above-mentioned object, the utility model provides a rotary dry powder aerosol generating device, comprising a frame, an aerosol generating device arranged on the frame, the aerosol generating device comprising a sample chamber, a rotary generating mechanism, and a sliding mechanism driving the rotary generating mechanism to move up and down in the sample chamber to scrape the material;

[0007] The sample chamber is provided with a compressed air joint, and the rotation generating mechanism is provided with a discharge channel communicating with the sample chamber;

[0008] The frame is provided with a first driving mechanism for driving the rotation generating mechanism to rotate and a second driving mechanism for driving the sliding mechanism to slide.

[0009] Further, as a preference, the sample chamber is arranged on a sliding mechanism, including a sample chamber base, a sample compartment arranged on the sample chamber base, and a sealing cover arranged on the sample compartment, the interior of the sample compartment is a hollow structure, the hollow part is the sample chamber, the sample compartment also has a visible window, and the compressed air connector is connected to the sample chamber.

[0010] Furthermore, as a preference, a transparent sample tube and a protective shell are sequentially provided outside the sample chamber, and a shell window is correspondingly provided on the protective shell.

[0011] Furthermore, preferably, a clamping screw is also provided on the sealing cover.

[0012] Further, as a preference, the rotation generating mechanism comprises a scraper disk and a rotating shaft connected to the scraper disk, the scraper disk is located in the sample chamber, and the rotating shaft is connected to the first driving mechanism.

[0013] Further, preferably, the first driving mechanism comprises a rotating motor, a driving wheel connected to the rotating motor, and a driven wheel arranged on a rotating shaft, and the driving wheel and the driven wheel are connected by a synchronous belt.

[0014] Furthermore, preferably, the scraper disc is provided with a scraper blade and a discharge groove, the discharge groove is provided with a discharge hole, the rotating shaft is a hollow structure, and the hollow part serves as a discharge channel connected to the discharge hole.

[0015] Further, as a preference, the sliding mechanism comprises a support rod and a slider disposed on the support rod, the slider is connected to the second driving mechanism, and the sample chamber is disposed on the slider.

[0016] Further, preferably, the sample chamber is detachably arranged on the slider.

[0017] Further, as a preference, the sliding block is provided with a supporting seat for supporting the sample chamber base and a clamping groove structure for clamping the sealing cover.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model adopts an independent first driving mechanism to be responsible for the rotational movement of the rotating mechanism, and a second driving mechanism to be responsible for the vertical movement of the sliding mechanism, so as to realize the rotation of the rotating mechanism in the sample chamber and the movement of scraping materials up and down, and can adapt to the generation requirements of diversified samples and different processing methods for the same sample;

[0020] The sample chamber of the utility model adopts a visual design, which can monitor the powder filling amount in the sample chamber, observe the powder consumption in real time, etc.

[0021] The scraper disc of the utility model is provided with a discharging groove, and the rotating shaft adopts a hollow structure design, which is more convenient for aerosol discharging;

[0022] The slide block of the utility model is provided with a support seat and a slot structure, which makes it easier to replace and assemble the sample chamber to adapt to different sample generation requirements;

[0023] The overall structure of the utility model is ingeniously designed, compact, small in size and beautiful in appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a structural schematic diagram of a rotary dry powder aerosol generating device of the utility model;

[0025] Figure 2 This is a schematic diagram of the structural decomposition of a rotary dry powder aerosol generating device of the utility model;

[0026] Figure 3 This is a structural cross-sectional view of a rotary dry powder aerosol generating device of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of a sample chamber of a rotary dry powder aerosol generating device of the utility model;

[0028] Figure 5 This is a schematic diagram of the structural decomposition of a sample chamber of a rotary dry powder aerosol generating device of the utility model;

[0029] Figure 6 It is a cross-sectional view of a sample chamber of a rotary dry powder aerosol generating device of the utility model;

[0030] Figure 7 It is an enlarged schematic diagram of a first driving mechanism of a rotary dry powder aerosol generating device of the utility model;

[0031] Figure 8 It is an enlarged schematic diagram of a scraper disk of a rotary dry powder aerosol generating device of the utility model;

[0032] Fig. 9 It is an enlarged schematic diagram of a slider of a rotary dry powder aerosol generating device of the utility model;

[0033] Figure markings: 1-frame, 2-sample chamber, 201-sample chamber base, 202-sample compartment, 203-sealing cover, 204-sample chamber, 205-visible window, 206-transparent sample tube, 207-protective shell, 208-shell window, 209-pressing screw, 3-rotation generating mechanism, 301-scraper disk, 302-rotating shaft, 303-scraper blade, 304-discharging groove, 305-discharging hole, 4-sliding mechanism, 401-support rod, 402-sliding block, 403-support seat, 404-slot structure, 5-compressed air connector, 6-discharging channel, 7-first driving mechanism, 701-rotating motor, 702-driving wheel, 703-driven wheel, 704-synchronous belt, 8-second driving mechanism, 9-synchronous belt transmission box. DETAILED DESCRIPTION

[0034] The specific implementation modes of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific implementation modes.

[0035] A brief summary of one or more aspects is given below to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all conceived aspects, and is neither intended to identify the key or critical elements of all aspects nor to define the scope of any or all aspects. Its only purpose is to give some concepts of one or more aspects in a simplified form as a prelude to a more detailed description that will be given later.

[0036] like Figure 1-9 As shown, a rotary dry powder aerosol generating device comprises a frame 1, an aerosol generating device arranged on the frame 1, the aerosol generating device comprises a sample chamber 2, a rotary generating mechanism 3, and a sliding mechanism 4 driving the rotary generating mechanism 3 to move up and down in the sample chamber 2 to scrape materials;

[0037] The sample chamber 2 is provided with a compressed air connector 5, and the rotation generating mechanism 3 is provided with a discharge channel 6 communicating with the sample chamber 2;

[0038] The frame 1 is provided with a first driving mechanism 7 for driving the rotation generating mechanism 3 to rotate and a second driving mechanism 8 for driving the sliding mechanism 4 to slide.

[0039] In this embodiment, as a specific solution, the sample chamber 2 is arranged on the sliding mechanism 4, including a sample chamber base 201, a sample compartment 202 arranged on the sample chamber base 201, and a sealing cover 203 arranged on the sample compartment 202. The interior of the sample compartment 202 is a hollow structure, and the hollow part is a sample chamber 204. The sample compartment 202 also has a visible window 205, and the compressed air connector 5 is connected to the sample chamber 204; the sample chamber base 201 and the sealing cover 203 can be conveniently disassembled and assembled with the sample compartment 202.

[0040] In this embodiment, as a more specific solution, a transparent sample tube 206 and a protective shell 207 are sequentially provided outside the sample chamber 202, and a shell window 208 is correspondingly provided on the protective shell 207; wherein the sample chamber 202 is made of aluminum alloy, and the transparent sample tube 206 is made of high borosilicate glass, and the gap between the transparent sample tube 206 and the sample chamber 202 can be filled with epoxy resin to enhance the stability of the overall sample chamber 2; the protective shell 207, the transparent sample tube 206 and the sample chamber 202 can be fastened by screws, bolts, etc.

[0041] In this embodiment, as a more specific solution, a clamping screw 209 is further provided on the sealing cover 203 , and the sealing cover 203 and the sample chamber 202 can be further clamped by the clamping screw 209 to improve the sealing performance inside the sample chamber 202 .

[0042] By providing a visible window 205 and a shell window 208, the powder filling amount in the sample chamber 202 can be monitored and the powder consumption can be observed in real time, so that the operator can replenish the powder or replace the sample in time; and the sample chamber 2 adopts an independent structural design, which can be taken out and replaced from the sliding mechanism 4 as needed to adapt to the aerosol generation requirements of different samples.

[0043] In this embodiment, as a specific solution, the rotation generating mechanism 3 includes a scraper disk 301 and a rotating shaft 302 connected to the scraper disk 301, the scraper disk 301 is located in the sample chamber 202, and the rotating shaft 302 is connected to the first driving mechanism 7; more specifically, one end of the rotating shaft 302 is connected to the bottom of the scraper disk 301, and the other end passes through the sample chamber base 201 to discharge the material.

[0044] In this embodiment, as a more specific solution, the first driving mechanism 7 includes a rotating motor 701, a driving wheel 702 connected to the rotating motor 701, and a driven wheel 703 arranged on the rotating shaft 302, and the driving wheel 702 and the driven wheel 703 are connected by a synchronous belt 704; when working, the rotating motor 701 drives the driving wheel 702 and the driven wheel 703 to rotate, thereby driving the rotating shaft 302 to rotate, and the rotation of the rotating shaft 302 causes the scraper disk 301 to rotate in the sample chamber 202 to shear the powder sample filled inside.

[0045] In this embodiment, as a more specific solution, a synchronous belt transmission box 9 is arranged on the frame 1, and the driving wheel 702, the driven wheel 703 and the synchronous belt 704 are all arranged in the synchronous belt transmission box 9.

[0046] In this embodiment, as a more specific scheme, the scraper disc 301 is provided with a scraper strip 303 and a discharge groove 304, and the discharge groove 304 is provided with a discharge hole 305, and the rotating shaft 302 is a hollow structure, and the hollow part is connected with the discharge hole 305 as a discharge channel 6; the scraper disc 301 is made of zirconia ceramic material, and the scraper strips 303 have two strips, which are staggered on both sides of the discharge groove 304, and of course, other numbers can also be used. In this embodiment, two strips are taken as an example, and the two staggered settings are not prone to the problem of material jamming on the one hand, and the structure is relatively single-piece on the other hand, which is convenient for production and processing; in addition, the scraper strip 303 and the scraper disc 301 are an integrated structure; in addition, the discharge hole 305 and the hollow rotating shaft 302 together constitute the discharge, and the vertical passage makes the discharge more convenient.

[0047] In this embodiment, as a specific solution, the sliding mechanism 4 includes a support rod 401, a slider 402 disposed on the support rod 401, the slider 402 is connected to the second driving mechanism 8, and the sample chamber 2 is disposed on the slider 402. The second driving mechanism 8 is specifically a slider motor, which can drive the slider 402 to move vertically up and down on the support rod 401, and the slider 402 drives the sample chamber 2 to move up and down, so that the rotation generating mechanism 3 moves up and down in the sample chamber 2 to shear the sample.

[0048] In this embodiment, as a specific solution, the sample chamber 2 is detachably arranged on the slider 402; more specifically, the slider 402 is provided with a support seat 403 supporting the sample chamber base 201 and a clamping groove structure 404 clamping the sealing cover 203; when the sample chamber 2 is installed on the slider 402, the edge of the sealing cover 203 is clamped by the clamping groove structure 404, and then the sample chamber base 201 and the support seat 403 are fixed by bolts, screws, etc., so that the sample chamber 2 can be quickly disassembled and assembled.

[0049] The working principle of the utility model is as follows:

[0050] The powder sample is loaded into the sample bin 202, the sample bin 202 is covered with a sealing cover 203, a pressing screw 209, etc., the rotating motor 701 drives the driving wheel 702 and the driven wheel 703 to rotate, the driven wheel 703 drives the rotating shaft 302 to rotate, and the scraper disk 301 connected to the rotating shaft 302 rotates rapidly in the sample bin 202 to shear the powder inside; at the same time, the second driving mechanism 8 drives the slider 402 to move vertically on the support rod 401, and the slider 402 drives The sample chamber 2 is moved vertically, so that the scraper plate 301 moves vertically in the sample chamber 202. The scraper plate 301 rotates and moves vertically in the sample chamber 202 to achieve rapid shearing of the powder sample. Compressed air is then introduced into the sample chamber 202 through the compressed air connector 50,000. Under the action of the compressed air, the powder that has been rapidly sheared forms an aerosol, which is carried to the discharge groove 304 by the scraper strip 303 on the scraper plate 301, and then discharged from the discharge hole 305 through the discharge channel 6.

[0051] The utility model adopts an independent first driving mechanism 7 to be responsible for the rotational movement of the rotating generating mechanism 3, and a second driving mechanism 8 to be responsible for the vertical movement of the sliding mechanism 4, so as to realize the rotation of the rotating generating mechanism 3 in the sample chamber 2 and the scraping action up and down, which can adapt to the generation requirements of diversified samples and different processing methods for the same sample; wherein the sample chamber 2 adopts a visual design, which can monitor the powder filling amount in the sample chamber, observe the powder consumption in real time, etc.; in addition, the slider 402 is provided with a support seat 403 and a card slot structure 404, which is more convenient for the replacement and assembly of the sample chamber 2 to adapt to different sample generation requirements.

[0052] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of illustration and illustration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the utility model and various different options and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A rotary dry powder aerosol generating device, comprising a frame and an aerosol generating device arranged on the frame, characterized in that: The aerosol generating device comprises a sample chamber, a rotating generating mechanism and a sliding mechanism driving the rotating generating mechanism to move up and down in the sample chamber to scrape the material; The sample chamber is provided with a compressed air joint, and the rotation generating mechanism is provided with a discharge channel communicating with the sample chamber; The frame is provided with a first driving mechanism for driving the rotation generating mechanism to rotate and a second driving mechanism for driving the sliding mechanism to slide.

2. A rotary dry powder aerosol generating device according to claim 1, characterized in that: The sample chamber is arranged on a sliding mechanism, and includes a sample chamber base, a sample compartment arranged on the sample chamber base, and a sealing cover arranged on the sample compartment. The interior of the sample compartment is a hollow structure, and the hollow part is the sample chamber. The sample compartment also has a visible window, and the compressed air joint is connected to the sample chamber.

3. A rotary dry powder aerosol generating device according to claim 2, characterized in that: A transparent sample tube and a protective shell are sequentially arranged outside the sample chamber, and a shell viewing window is correspondingly arranged on the protective shell.

4. A rotary dry powder aerosol generating device according to claim 2, characterized in that: The sealing cover is also provided with a clamping screw.

5. A rotary dry powder aerosol generating device according to claim 2, characterized in that: The rotation generating mechanism comprises a scraper disk and a rotating shaft connected to the scraper disk. The scraper disk is located in the sample chamber, and the rotating shaft is connected to the first driving mechanism.

6. A rotary dry powder aerosol generating device according to claim 5, characterized in that: The first driving mechanism includes a rotating motor, a driving wheel connected to the rotating motor, and a driven wheel arranged on a rotating shaft, and the driving wheel and the driven wheel are connected by a synchronous belt.

7. A rotary dry powder aerosol generating device according to claim 5, characterized in that: The scraper disc is provided with a scraper blade and a discharge groove, the discharge groove is provided with a discharge hole, the rotating shaft is a hollow structure, and the hollow part is connected with the discharge hole as a discharge channel.

8. A rotary dry powder aerosol generating device according to claim 2, characterized in that: The sliding mechanism comprises a supporting rod and a sliding block arranged on the supporting rod, the sliding block is connected to the second driving mechanism, and the sample chamber is arranged on the sliding block.

9. A rotary dry powder aerosol generating device according to claim 8, characterized in that: The sample chamber is detachably arranged on the slide block.

10. A rotary dry powder aerosol generating device according to claim 9, characterized in that: The slide block is provided with a supporting seat for supporting the sample chamber base and a clamping groove structure for clamping the sealing cover.

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