Fluorescence monitor for microorganisms in air

Abstract

The utility model discloses an air microorganism fluorescence monitor, which belongs to the technical field of atmospheric environment monitoring, and comprises a shell, a power supply module, a detection module and a display module, the detection module comprises a cutting head, a sensor and an exhaust port; the cutting head, the sensor and the exhaust port are sequentially connected; the power supply module, the detection module and the display module are located on the shell, the power supply module is respectively connected with the detection module and the display module, and the detection module is connected with the display module. According to the utility model, a modular design is adopted, sampling, processing and detection are integrated in a compact device, external connection and accessories are reduced, and the portability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of atmospheric environment monitoring technology, more particularly to an air microorganism fluorescence monitor. BACKGROUND

[0002] Currently, instruments are developing towards intelligence and automation, and this trend is reflected in various fields. In the research and monitoring of biological aerosols, traditional sampling methods are still widely used. These methods usually extract biological aerosol samples from ambient air through air microorganism samplers. After sampling, these samples need to be sent to the laboratory for culture and analysis. This process not only takes time, usually 12 to 24 hours to obtain results, but also may face problems such as sample contamination and data error during operation, increasing the complexity and uncertainty of the experiment.

[0003] With the progress of science and technology, emerging intelligent and automated technologies have gradually revolutionized the sampling and analysis of biological aerosols. Modern equipment gradually realizes real-time monitoring, enabling more accurate results in a shorter time. Combining traditional sampling methods with advanced sensing technology not only improves sampling efficiency, but also reduces labor costs and reduces the workload of the laboratory. Such a trend indicates that future research on biological aerosols will be more efficient and convenient, driving progress and development in related fields.

[0004] Therefore, how to design an air microorganism fluorescence monitor to improve particle sampling efficiency is a problem that needs to be solved by those skilled in the art. INVENTION CONTENTS

[0005] Therefore, the utility model provides an air microorganism fluorescence monitor for monitoring the concentration of biological factors (bacteria, spores, viruses, toxins, etc.) in the air, which will alarm when reaching the alarm threshold. It can be used for monitoring the total amount of microorganisms in clean spaces such as pharmaceutical, food and beverage production, and for monitoring and early warning of microbial aerosols in public places.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An air microorganism fluorescence monitor, comprising: a housing, a power module, a detection module and a display module; the detection module comprises a cutting head, a sensor module and an exhaust port; the cutting head, the sensor module and the exhaust port are connected in sequence; the power module, the detection module and the display module are located on the housing, the power module is connected with the detection module and the display module respectively, and the detection module is connected with the display module.

[0008] Preferably, the cutting head is used to cut air and filter particles with a particle size greater than 10 microns in the sampled air.

[0009] Preferably, the sensor module is used to determine the particle size of the air filtered by the cutting head; the particles after inspection are discharged through the exhaust port.

[0010] Preferably, the sensor module uses a light scattering aerosol photometer.

[0011] Preferably, the power module includes a power switch and a battery, and supplies power to the detection module and the display module.

[0012] Preferably, the display module includes a charging lamp, an indicator lamp and a display screen; the charging lamp is connected with the power module, and the indicator lamp and the display screen are both connected with the detection module.

[0013] Preferably, a cooling fan is further arranged on the monitor housing.

[0014] According to the above technical solution, compared with the prior art, the utility model discloses provide a kind of air microorganism fluorescence monitor, the quantity of microorganism aerosol in the air can be monitored in real time quickly by the monitor, without tedious culture process, simultaneously not depending on consumables and artificial watch, to significantly reduce use cost.It has strong anti-interference ability to non-biological aerosol in environment, and ensures low false alarm rate.In addition, the system provides a graphical display interface, and supports multiple data statistical modes, facilitating subsequent analysis.User can customize early warning value, and once exceeding the set limit value, the instrument will remind the user through audible and visual alarm.At the same time, high-definition touch screen display is more clear, improve human-computer interaction experience, make operation more intuitive and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0016] Figure 1 The first perspective view of the fluorescence monitor provided by the present application is provided.

[0017] Figure 2 The second perspective view of the fluorescence monitor provided by the present application is provided.

[0018] Figure 3 The internal structure diagram of the fluorescence monitor provided by the present application is provided.

[0019] Figure 4 The mainboard schematic diagram of the fluorescence monitor provided by the present application is provided.

[0020] Figure 5 The fluorescence monitor detection module schematic view provided by the utility model;

[0021] Among them: 1 - cutting head; 2 - charging lamp; 3 - indicator light; 4 - USB; 5 - exhaust port; 6 - nameplate; 7 - shell; 8 - power switch; 9 - display screen; 10 - handle; 11 - cooling fan; 12 - RS485 interface; 13 - power socket; 14 - bottom foot; 15 - battery; 16 - sensor module. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] As Figures 1-3 shown, the utility model discloses a kind of air microorganism fluorescence monitors, comprising: shell 7, power module, detection module and display module;

[0024] Detection module includes cutting head 1, sensor module 16 and exhaust port 5, cutting head 1, sensor module 16 and exhaust port 5 are sequentially connected;

[0025] The power module, detection module and display module are located on the shell 7, the power module is connected with the detection module and the display module respectively, and the detection module is connected with the display module.

[0026] Further, the power module includes power switch 8 and battery 15;The power module is connected with the detection module and the display module respectively, and supplies power for the detection module and the display module.

[0027] Further, the mainboard of the fluorescence monitor can refer to Figure 4 , specifically including USB interface, RS485 serial interface, Bluetooth, WIFI module, power switch interface and battery 15, the control of equipment, data output and power supply are realized through the above-mentioned interface and transmission module, which is convenient for connecting host computer or linkage with other equipment.

[0028] Further, Figure 5 It is the principle schematic view of detection module, sensor module 16 is powered by mainboard, so that air is cut by cutting head 1, and the particle diameter of particle in sampling air is filtered to be greater than 10 microns. Air then enters sensor module 16, and biological aerosol particles can emit elastic scattering light signals and excitation-induced fluorescence signals simultaneously under ultraviolet light irradiation.

[0029] The sensor module 16 further comprises an ultraviolet light excitation light path, a fluorescence collection light path and a data processor, which judges the particle size of the measured biological aerosol particles according to the amplitude of the elastic scattering light pulse signal and other optical information, judges the biological attribute of the measured particles according to the intensity of the excited fluorescence pulse signal, distinguishes biological particles and non-biological particles, and the pulse quantity corresponds to the biological particle quantity, so that the biological particle concentration is measured and recorded by the sensor module 16, and the filtered collected gas is discharged through the exhaust port 5, wherein the corresponding supporting module and the used circuit are well known in the art.

[0030] Further, the display module comprises a charging lamp 2, an indicating lamp 3 and a display screen 9.

[0031] Further, a heat dissipation fan 11 is further arranged on the monitor shell 7.

[0032] Further, the technical parameters of the air microorganism fluorescence monitor are shown in Table 1.

[0033] Table 1 Technical parameters of air microorganism fluorescence monitor

[0034]

[0035]

[0036] The specific working process of the utility model is as follows: the sensor module 16 provides a power source through the mainboard, so that the air is cut by the cutting head 1, and the particles with a particle size greater than 10 microns in the filtered sampling air are cut. After the air enters the sensor module 16, the biological aerosol particles can emit elastic scattering light signals and excitation-induced fluorescence signals under ultraviolet light irradiation; the data processor judges the particle size of the measured biological aerosol particles according to the amplitude of the elastic scattering light pulse signal and other optical information, judges the biological attribute of the measured particles according to the intensity of the excited fluorescence pulse signal, distinguishes biological particles and non-biological particles, and the pulse quantity corresponds to the biological particle quantity, the biological particle concentration is displayed through the display screen, and the filtered collected gas is discharged through the exhaust port 5.

[0037] In summary, the utility model has the following beneficial effects:

[0038] ①Portability: In order to realize portability, the air microorganism fluorescence monitor should be designed as a small and light device, which is convenient to carry and operate on site. Modular design is adopted, and sampling, processing and detection are integrated in a compact device, reducing external connections and accessories, and improving portability; high-performance lithium batteries are used as power supply, which ensures that the device can work for a long time in a power-free environment and has a fast charging function; the material selection should consider durability and lightness to ensure that the device can withstand impact and vibration and maintain stable performance in various environmental conditions.

[0039] ②Data accuracy: To ensure the accuracy of the data, the monitor needs to adopt high-sensitivity fluorescence detection technology, which can detect the microorganisms in the air in real time and accurately; design an efficient sample collection and processing system to ensure the integrity and representativeness of the sample, avoid contamination and loss; use advanced optical systems and detection algorithms to improve the resolution and accuracy of the signal, reduce background noise and interference; built-in automatic calibration function, regular calibration of the detection system, to ensure the accuracy and reliability in long-term use; at the same time, through multi-point, multi-time sampling and data statistical analysis, provide more accurate and comprehensive air microorganism monitoring results.

[0040] ③Practicality: To improve the practicality, the monitor should have user-friendly interface design, simple and intuitive operation; the device should support multiple use scenarios, such as indoor and outdoor air monitoring, industrial environment monitoring, etc., to adapt to different working environments and needs; the device should have data storage and export function, convenient for users to record and analyze long-term monitoring data; through intelligent design, the device can automatically identify and record abnormal data, provide early warning function, timely discover and report air microorganism exceeding standard situation.

[0041] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0042] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application should not be limited to the embodiments shown herein, but should be consistent with the widest scope of principles and novel features disclosed herein.

Claims

1. An air microbe fluorescence monitor characterized by, Include: The shell (7), power module, detection module and display module; The detection module includes cutting head (1), sensor module (16) and exhaust port (5), the cutting head (1), the sensor module (16) and the exhaust port (5) are connected in turn; The power module, the detection module and the display module are located on the shell (7), the power module is connected with the detection module and the display module respectively, and the detection module is connected with the display module.

2. The air microorganism fluorescence monitor according to claim 1, wherein The cutting head (1) is used for cutting air, filtering particles with particle size greater than 10 microns in the sampling air.

3. The air microorganism fluorescence monitor according to claim 2, wherein The sensor module (16) is used for judging the particle size of the air filtered by the cutting head (1); the particles after inspection are discharged through the exhaust port (5).

4. The air microorganism fluorescence monitor according to claim 3, wherein The sensor module (16) adopts light scattering aerosol photometer.

5. The air microbe fluorescence monitor according to claim 1, wherein The power module includes power switch (8) and battery (15).

6. The air microbe fluorescent monitor according to claim 1, wherein The display module includes: charging lamp (2), indicator light (3) and display screen (9); The charging lamp (2) and the power module are connected, and the indicator light (3) and the display screen (9) are connected with the detection module.

7. The air microbe fluorescent monitor according to claim 1, wherein A cooling fan is further arranged on the shell (7).

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