Efficient enrichment and concentration device for aerosol sample

By designing a pump body, connecting pipes, and sample storage module, an efficient aerosol sample enrichment and concentration device was developed. This solved the problem of manual dispensing of sample liquid after sampling by wet-wall cyclone bioaerosol samplers, and realized automated sample storage and detection, which is suitable for long-term and frequent sampling.

CN223461346UActive Publication Date: 2025-10-21ACADEMY OF MILITARY MEDICAL SCIENCES
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422604395.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-10-21
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Existing wet-wall cyclone bioaerosol samplers cannot automatically dispense the sample liquid after sampling, requiring manual dispensing, which affects long-term and frequent sampling and testing.

Method used

A high-efficiency aerosol sample enrichment and concentration device was designed, including a pump body, connecting tube, sample storage module and switching component. The pump body extracts the sample and the control unit distributes it to the storage bottle. Automatic sample distribution and detection are achieved by using a dual-way clamp valve and a multi-channel switching valve.

Benefits of technology

It enables automated storage and testing of samples, simplifies the operation process, and is suitable for frequent sampling and testing over long periods of time.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223461346U_ABST
    Figure CN223461346U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a high-efficiency enrichment and concentration device for an aerosol sample, which is mainly used for extracting and storing the aerosol sample and comprises a pump body used for extracting a sample in a wet-wall cyclone sampling bottle; the connecting pipe is connected with the pump body, and one end of the connecting pipe is connected with a wet wall cyclone sampling bottle pipeline; the sample storage module comprises a control part and a plurality of liquid storage bottles, the control part is connected with the liquid outlet through a pipeline, the control part is connected with the plurality of liquid storage bottles, and the control part is configured to enable the liquid outlet to be communicated with any liquid storage bottle, so that a sample in the wet-wall cyclone sampling bottle is conveyed into the liquid storage bottle. The problems that in the prior art, a sample liquid cannot be automatically discharged, a sample remained in a sampling bottle needs to be manually subpackaged in a liquid storage bottle, and after sampling, the sample needs to be extracted in the sampling bottle and then detected, so that long-time frequent sampling detection is not facilitated are solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to an aerosol sample high-efficiency enrichment and concentration device. BACKGROUND

[0002] Wet-wall cyclone Coriolis rapid collection and concentration into liquid biological particles, air flow rate up to 600lpm, samples exist in liquid form, then with rapid monitoring microbial methods (RMM), including PCR, enzyme-linked immunoassay, flow cytometry. Coriolis RECON adopts brand-new cyclone sampling technology, collects biological samples in air, samples are dissolved in liquid, and is suitable for various types of experimental analysis. This technology is superior to the traditional Anderson method (impact air sampling agar plate collects particulate matter sample technology), has large flow and good collection effect. Adapt to any scientific research: microbial toxins, viruses, bacteria, molds, pollen, spores and the like.

[0003] In the existing wet-wall cyclone biological aerosol sampler, after sampling, the sample liquid cannot be automatically discharged, the sample in the sampling bottle needs to be manually divided and stored in a liquid storage bottle, and after sampling, the sample in the sampling bottle needs to be extracted for detection, which is not conducive to long-time and frequent sampling detection.

[0004] The utility model provides a kind of aerosol sample high-efficiency enrichment and concentration device for the above problems. INVENTION CONTENTS

[0005] In order to overcome the problems proposed in the background art, the utility model adopts the following technical solutions:

[0006] A kind of aerosol sample high-efficiency enrichment and concentration device, it includes:

[0007] Pump body, for extracting sample in wet-wall cyclone sampling bottle;

[0008] Connecting pipe, connected with the pump body, wherein one end of the connecting pipe is connected with the wet-wall cyclone sampling bottle pipeline;

[0009] Sample storage module, including: control part and a plurality of liquid storage bottles, the control part is connected with the connecting pipe pipeline, wherein the control part is connected with a plurality of the liquid storage bottles, and the control part is configured to be able to make the connecting pipe and any one of the liquid storage bottles to be communicated, so that the sample in the wet-wall cyclone sampling bottle is transported into the liquid storage bottle.

[0010] In some embodiments of the present application, further comprising:

[0011] A connector is mounted on the first end of the connecting pipe, wherein the connector has a first interface, a second interface and a third interface, and the connector is connected with the connecting pipe through the first interface;

[0012] A first pipe is connected with the second interface, and a second pipe is connected with the third interface;

[0013] A switching assembly is connected with the first pipe and the second pipe, wherein the switching assembly is used for controlling one of the first pipe and the second pipe to flow.

[0014] Further, the switching assembly comprises a two-way pinch valve, wherein the first pipe and the second pipe are clamped into pipe slots of the two-way pinch valve.

[0015] In some embodiments of the present application, the control unit has a liquid inlet interface and a plurality of liquid outlet interfaces, the first pipe is connected with the liquid inlet interface, and each of the liquid outlet interfaces is connected with one of the sample bottles, wherein the plurality of liquid outlet interfaces are arranged in an array with the liquid inlet interface as the center.

[0016] Further, the control unit comprises a multi-channel switching valve, wherein the liquid inlet interface is connected with one of the liquid outlet interfaces under the control of the multi-channel switching valve.

[0017] Further, the control unit comprises a plurality of delivery pipes, wherein each of the delivery pipes connects one of the liquid outlet interfaces with one of the sample bottles.

[0018] Further, the sample bottles and the delivery pipes are detachably connected.

[0019] In the present embodiment, the control unit further comprises a sample bottle base, wherein the sample bottle base has a plurality of placement slots, and the sample bottles are placed in the placement slots.

[0020] Further, the number of the placement slots, the sample bottles and the delivery pipes is the same.

[0021] In some embodiments of the present application, the pump body is a peristaltic pump, and the connecting pipe is arranged in the peristaltic pump.

[0022] The present application has the following beneficial effects:

[0023] 1. By arranging the pump body, the connecting pipe and the sample storage module, the connecting pipe is connected with the wet-wall cyclone sampling bottle during use, the sample is drawn out of the wet-wall cyclone sampling bottle by the pump body, and the sample is delivered to the control unit by the pump body, and then the sample is distributed to each sample bottle by the control unit, so that the excess sample is stored in the sample bottle, the manpower distribution is saved, and the sample storage process is optimized.

[0024] 2. By setting up a two-way pinch valve, a first tube and a second tube, when retaining the sample, the sample can be sent out from the second tube for medical staff / laboratory personnel to test the sample, thereby simplifying the process of extracting samples from the wet-wall cyclone sampling bottle, so as to facilitate long-term and frequent sampling and testing of samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0026] Figure 2 This is a schematic structural diagram of the liquid storage module of the utility model.

[0027] Figure 3 This is a schematic diagram of the connector structure of the utility model.

[0028] Figure 4 This is a schematic diagram of the structure of the multi-channel switching valve of the utility model.

[0029] Figure 5 This is a structural diagram of the liquid storage bottle base of the utility model.

[0030] Figure 6 This is a schematic diagram of the liquid inlet interface position structure of the utility model.

[0031] Figure 7 This is a schematic diagram of the liquid outlet interface position structure of the utility model.

[0032] In the figure, 1. peristaltic pump; 11. connecting tube; 12. connector; 121. first interface; 122. second interface; 123. third interface; 13. first tube; 14. second tube; 15. two-way clamp valve; 16. multi-channel switching valve; 161. liquid inlet interface; 162. liquid outlet interface; 163. delivery tube; 17. liquid storage bottle; 18. liquid storage bottle base; 181. placement slot; 2. wet-wall cyclone bioaerosol sampler. DETAILED DESCRIPTION

[0033] The following is a clear and complete description of the technical solutions in the embodiments of the present invention through specific embodiments. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Those skilled in the art can easily understand other advantages and functions of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation methods. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] Figure 1 The main technical content of the embodiment is shown, and the specific embodiment provides an aerosol sample high-efficiency enrichment and concentration device, which comprises: a pump body for pumping out a sample in a wet-wall cyclone sampling bottle; a connecting pipe 11 connected with the pump body, wherein one end of the connecting pipe 11 is connected with a pipeline of the wet-wall cyclone sampling bottle; and a sample storage module comprising a control part and a plurality of liquid storage bottles 17, wherein the control part is connected with the connecting pipe 11 in a pipeline manner, the control part is connected with the plurality of liquid storage bottles 17, and the control part is configured to enable the connecting pipe 11 to be in communication with any one of the liquid storage bottles 17, so that the sample in the wet-wall cyclone sampling bottle is transported into the liquid storage bottle 17.

[0035] Firstly, the wet-wall cyclone biological aerosol sampler 2 is used, after sampling, the sample is pumped out of the wet-wall cyclone sampling bottle by the pump body, and is transported to the control part by the pump body, and is distributed into each liquid storage bottle 17 in turn by the control part, so that the excess sample is stored in the liquid storage bottle 17.

[0036] Reference Figure 1 In the embodiment, the pump body is a peristaltic pump 1, and the connecting pipe 11 is arranged in the peristaltic pump 1. When the peristaltic pump 1 operates, the peristaltic pump 1 extrudes the connecting pipe 11 to form a partial vacuum state in the connecting pipe 11, so as to transport the sample in the wet-wall cyclone sampling bottle to the outside.

[0037] Reference Figure 1 -3, in the embodiment, further comprising: a connecting head 12, a first pipe 13, a second pipe 14 and a switching assembly, the connecting head 12 is installed at one end of the connecting pipe 11, wherein the connecting head 12 has a first interface 121, a second interface 122 and a third interface 123, the connecting head 12 is connected with the connecting pipe 11 through the first interface 121, the first pipe 13 and the second pipe 14 are connected with the second interface 122 and the third interface 123 respectively, wherein the first pipe 13 is connected with the control part in communication; the switching assembly is connected with the first pipe 13 and the second pipe 14, wherein the switching assembly is used for controlling the flow of the first pipe 13 and the second pipe 14; in use, when the second pipe 14 flows, the first pipe 13 is closed by the switching assembly, at this time, the sample in the wet-wall cyclone sampling bottle is transported out through the second pipe 14 under the action of the pump body, so that the medical staff / experiment personnel can detect the sample, when the first pipe 13 flows, the second pipe 14 is closed, at this time, the sample in the wet-wall cyclone sampling bottle is transported to the control part under the action of the peristaltic pump 1, and the excess sample is transported into the liquid storage bottle 17 through the control part.

[0038] More specifically, the connector 12 is a Y-shaped connector, in which the first interface 121, the second interface 122 and the third interface 123 are in communication with each other.

[0039] Reference Figure 2 More specifically, the switching assembly comprises a two-way pinch valve 15, in which the first pipe 13 and the second pipe 14 are respectively clamped into pipe slots of the two-way pinch valve 15, and under the control of the two-way pinch valve 15, the first pipe 13 and the second pipe 14 are extruded to make any one of them flow, in this arrangement, the liquid sample does not contact the external valve body, thereby ensuring that the sample is not contaminated.

[0040] Reference Figure 5 In this embodiment, the control part has a liquid inlet interface 161 and a plurality of liquid outlet interfaces 162, the first pipe 13 is connected to the liquid inlet interface 161, and each liquid outlet interface 162 is connected to a liquid storage bottle 17, wherein the plurality of liquid outlet interfaces 162 are arranged in an array with the liquid inlet interface as the center, in use, the liquid inlet interface 161 is connected to one liquid outlet interface 162 to deliver the sample into the liquid storage bottle 17.

[0041] Reference Figure 5 More specifically, the control part comprises a multi-channel switching valve 16, in which, under the control of the multi-channel switching valve, the liquid inlet interface 161 is connected to one liquid outlet interface 162, thereby delivering the sample into each liquid storage bottle 17 in turn through the multi-channel switching valve, and then leaving the sample in each liquid storage bottle 17; more specifically, the liquid inlet interface 161 and the plurality of liquid outlet interfaces 162 are interfaces of the multi-channel switching valve 16.

[0042] Reference Figure 6 More specifically, it further comprises a plurality of delivery pipes 163, wherein each delivery pipe 163 connects one liquid outlet interface 162 to one liquid storage bottle 17, in use, under the control of the multi-channel switching valve, the sample is delivered into the liquid storage bottle 17 through the delivery pipe 163.

[0043] Furthermore, the liquid storage bottle 17 and the delivery pipe 163 are detachably connected, and specifically, the liquid storage bottle 17 and the delivery pipe 163 are inserted into each other.

[0044] Preferably, the delivery pipe 163 is a hard pipe, and after each delivery pipe 163 connects each liquid storage bottle 17 to the multi-channel switching valve 16, the multi-channel switching valve can be supported by each delivery pipe 163.

[0045] Reference Figure 5In the embodiment, the liquid storage bottle base 18 is further included, and the liquid storage bottle base 18 has a plurality of placing grooves 181, wherein each liquid storage bottle 17 is placed in the placing groove 181, and the multi-channel switching valve can be kept stable by the liquid storage bottle base 18 in use, so as to avoid the liquid storage bottle 17 from being tilted in use.

[0046] More specifically, the number of the liquid storage bottles 17, the delivery pipe 163 and the placing grooves 181 is the same.

[0047] Preferably, the number of the liquid storage bottles 17 is at least two, and more preferably, the number of the liquid storage bottles 17 is between 6 and 10.

[0048] The use method of the utility model is as follows:

[0049] 1. Firstly, the wet-wall cyclone biological aerosol sampler is used, and after sampling, the sample is separated from the wet-wall cyclone sampling bottle by the peristaltic pump;

[0050] 2. Then, the first pipe is closed and the second pipe is open by the double-way pinch valve, at this time, the sample is transported outwards from the second pipe under the action of the peristaltic pump, so as to be detected by medical staff / experiment personnel;

[0051] 3. After extracting the appropriate sample, the first pipe is open and the second pipe is closed by the double-way pinch valve, at this time, the excess sample is transported into each liquid storage bottle in turn under the action of the multi-channel switching valve, so as to store the excess sample in each liquid storage bottle.

[0052] The above embodiment is only used for understanding the utility model. It should be noted that the utility model can be improved by ordinary skilled in the art without departing from the principle of the utility model, and the improvements also fall within the protection scope of the utility model claim.

Claims

1. An aerosol sample high-efficiency enrichment and concentration device, characterized in that, It comprises, a pump body for pumping out the sample in the wet-wall cyclone sampling bottle; a connecting pipe connected with the pump body, wherein one end of the connecting pipe is connected with the wet-wall cyclone sampling bottle pipeline; a sample storage module comprising a control part and a plurality of liquid storage bottles, wherein the control part is connected with the connecting pipe pipeline, the control part is connected with the plurality of liquid storage bottles, and the control part is configured to enable the connecting pipe to be in communication with any one of the liquid storage bottles, so that the sample in the wet-wall cyclone sampling bottle is transported into the liquid storage bottle.

2. The aerosol sample high-efficiency enrichment and concentration device according to claim 1, characterized in that, It also comprises a connector installed at the first end of the connecting pipe, wherein the connector has a first interface, a second interface and a third interface, and the connector is connected with the connecting pipe through the first interface; a first pipe connected with the first interface and a second pipe connected with the third interface; a switching assembly connected with the first pipe and the second pipe, wherein the switching assembly is used to control the flow of one of the first pipe and the second pipe.

3. The aerosol sample high efficiency enrichment concentration device according to claim 2, characterized in that, The switching assembly comprises a two-way pinch valve, wherein the first pipe and the second pipe are clamped into the pipe slot of the two-way pinch valve.

4. The aerosol sample high efficiency enrichment concentration device according to claim 2, characterized in that, The control part has a liquid inlet interface and a plurality of liquid outlet interfaces, the first pipe is connected with the liquid inlet interface, and each liquid outlet interface is connected with one liquid storage bottle, wherein the plurality of liquid outlet interfaces are arrayed with the liquid inlet interface as the center.

5. The aerosol sample high efficiency enrichment concentration device according to claim 4, characterized in that, The control part comprises a multi-channel switching valve, wherein the liquid inlet interface is connected with one liquid outlet interface under the control of the multi-channel switching valve.

6. The aerosol sample high efficiency enrichment concentration device according to claim 4, characterized in that, It also comprises: a plurality of delivery pipes, wherein each delivery pipe connects one liquid outlet interface with one liquid storage bottle.

7. The aerosol sample high efficiency enrichment concentration device according to claim 6, characterized in that, The liquid storage bottle and the delivery pipe are detachably connected.

8. The aerosol sample high efficiency enrichment concentration device according to claim 6, characterized in that, It also comprises: a liquid storage bottle base having a plurality of placement grooves, wherein the liquid storage bottle is placed in the placement groove.

9. The aerosol sample high efficiency enrichment concentration device according to claim 8, characterized in that, The number of the placement grooves, the liquid storage bottles and the delivery pipes are the same.

10. The aerosol sample high efficiency enrichment concentration device according to claim 1, wherein, The pump body is a peristaltic pump, and the connecting pipe part is arranged in the peristaltic pump.