CN212748873U

CN212748873U - Multi-path generation aerosol generator with turbulence protection gas path

Info

Publication number: CN212748873U
Application number: CN202021888631.9U
Authority: CN
Inventors: 常庆凯; 胡桐嘉; 吕卫涛; 徐立佳; 李永豪; 钱建民
Original assignee: Qingdao Junray Intelligent Instrument Co Ltd
Current assignee: Qingdao Junray Intelligent Instrument Co Ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-19
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a but aerosol generator that multichannel emergence has turbulent flow protection gas circuit, include casing, a plurality of sample bottle, set up the shock subassembly in the casing, the sample bottle with vibrate the subassembly contact, still include the first air supply and the second air supply with all sample bottle intercommunications, still include the output gas circuit with first air supply intercommunication, output gas circuit and sample bottle intercommunication. The generator can perform multi-path dust generation and simultaneously ensure that samples cannot interfere with each other; the wall-hung sample can slide down to the bottom of the bottle to generate dust again by using ultrasonic waves and a water bath mode of a sample container; the dust is blown by micro high pressure small air flow and the low pressure large air flow is inserted into the turbulent flow, so that the sample is ensured not to be attached to the conveying pipeline while the sample uniformly generates dust.

Description

Multi-path generation aerosol generator with turbulence protection gas path

Technical Field

The utility model relates to an aerosol generator technical field, concretely relates to but aerosol generator that multichannel takes place to have turbulent flow protection gas circuit.

Background

The components of the particles in the atmospheric environment are complex and have a plurality of sources. Researches in recent years show that the raised dust has important influence on atmospheric particulate pollution and haze formation, and the atmospheric particulate pollution and haze seriously damage human health, so that the physical and chemical characteristics of the uncovered dust have important significance on the research of atmospheric particulate, and a necessary theoretical basis is provided for the formulation of an atmospheric particulate pollution control strategy. However, the existing suspension equipment can only carry out one sample in each experiment, and the sample bottle needs to be cleaned and refilled in the next experiment; the dust generating device only adopts a positive pressure gas blowing mode, and the mode can cause particles to be attached to the wall of the sample bottle and generate dust unevenly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the aerosol generator with the turbulent flow protection gas circuit capable of generating in multiple paths is provided, and the problems that the existing suspension equipment dust generating device is not uniform in wall hanging and dust generation, only one sample can be carried out in each experiment and the like are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a but aerosol generator that has turbulent flow protection gas circuit takes place for multichannel, include casing, a plurality of sample bottle, set up the shock subassembly in the casing, the sample bottle with vibrate the subassembly contact, still include the first air supply and the second air supply with all sample bottles intercommunication, still include the output gas circuit with first air supply intercommunication, output gas circuit and sample bottle intercommunication.

Furthermore, it includes ultrasonic wave transducing head and basin to vibrate the subassembly, the sample bottle is placed in the basin that is equipped with water, ultrasonic wave transducing head sets firmly on the basin.

Further, still include first air valve group, first air valve group is connected with first air supply, first air valve group still with first air supply intercommunication sample bottle, the pipeline connection of output gas circuit.

Further, still include the second gas valves, the second gas valves is connected with the second air supply, the second gas valves still communicates the tube coupling of sample bottle with the second air supply.

Furthermore, the gas valve further comprises a first bus bar, and the first bus bar is connected between the first gas source and the first gas valve group.

And further, the gas valve group further comprises a second bus bar, and the second bus bar is connected between the second gas source and the second gas valve group.

Furthermore, the sample bottle device also comprises a plurality of three-way quick connectors, wherein the three-way quick connectors are arranged at the cross points of a pipeline connected with the first air source, an output air path and a pipeline communicated with the sample bottle.

Furthermore, the tee quick coupling is arranged outside the shell and fixed on the shell through a tee fixing frame.

Furthermore, a fixed seat is arranged in the shell, and the first air valve group and the second air valve group are fixed on the fixed seat.

And the electronic control assembly is fixed in the shell and controls the air valve time-sharing switches of the first air valve group and the second air valve group and the switch of the ultrasonic energy conversion head.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

the generator can reasonably and accurately control the opening and closing time and sequence of the air valve through the electric control assembly, so that the generator can perform multi-path dust emission and simultaneously ensure that samples cannot interfere with each other; uniformly transferring energy by using ultrasonic oscillation and sample bottle water bath modes, so that a wall-hung sample can slide down to the bottom of the bottle for dust generation again; the dust is blown by micro high pressure small air flow and the turbulent flow is penetrated by low pressure large air flow, so that the samples are ensured not to be attached to the conveying pipeline while the samples uniformly generate dust.

Drawings

Fig. 1 is a schematic view of the overall structure of the aerosol generator of the present invention;

FIG. 2 is a schematic view of the internal structure of the aerosol generator of the present invention;

FIG. 3 is a schematic view of another internal structure of the aerosol generator of the present invention;

FIG. 4 is a schematic view of the structure of the water tank portion of the aerosol generator of the present invention;

FIG. 5 is a schematic diagram of the gas circuit of the aerosol generator of the present invention;

fig. 6 is a control schematic diagram of the electric control assembly of the aerosol generator of the present invention.

The reference numerals are explained below:

1. a housing; 2. a sample bottle; 3. a first valve bank; 4. a second valve set; 5. an ultrasonic transducing head; 6. a water tank; 7. a first bus bar; 8. a second bus bar; 9. a three-way quick connector; 10. a three-way fixing frame; 11. a base; 12. a fixed seat; 13. an electronic control assembly; 14. a handle. In fig. 5, a is the first gas source, B is the second gas source, and r-r represents 10 output gas paths.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 5, the aerosol generator with a turbulent flow protection gas path capable of generating multiple paths in this embodiment includes a

housing

1, 10 sample bottles 2, an oscillation assembly disposed in the housing 1, the sample bottles 2 contacting the oscillation assembly, a first gas source a and a second gas source B communicated with all the sample bottles 2, and an output gas path communicated with the first gas source a, where the output gas path is communicated with the sample bottles 2, and in this embodiment, because there are 10 sample bottles 2, there are ten output gas paths, such as the (r) -r path shown in fig. 5.

As a preferred embodiment of this embodiment, in order to prevent the sample in the sample bottle 2 from hanging on the wall or let the hanging sample start dust again, referring to fig. 4, the oscillation assembly of this embodiment includes 3 ultrasonic transducers 5 and a water tank 6, the sample bottle 2 is entirely placed in the water tank 6 filled with water, and the 3 ultrasonic transducers 5 are installed at the bottom of the water tank 6. And (3) starting the ultrasonic energy conversion head 5, and enabling the wall-hung sample to slide down to the bottom of the bottle to generate dust again under the action of ultrasonic agitation and uniform energy transfer of water bath.

As a preferred embodiment of this embodiment, referring to fig. 2, 3, and 5, in order to achieve automatic purging of 10 sample bottles 2, output gas circuit r-r, and 10 sample bottles 2 for time-sharing dust generation, the aerosol generator of this embodiment further includes a first gas valve group 3, where the first gas valve group 3 is connected to a first gas source a, the first gas valve group 3 is further connected to a pipeline connecting the first gas source a to the sample bottles 2 and the output gas circuit, and the first gas valve group 3 is composed of 10 gas valves. The sample bottle detection device is characterized by further comprising a second air valve group 4, wherein the second air valve group 4 is connected with a second air source B, the second air valve group 4 is further connected with a pipeline of the second air source B communicated with the sample bottle 2, and the second air valve group 4 is also composed of 10 air valves. Specifically, be fixed with two fixing bases 12 on the base 11 of casing 1 bottom, ultrasonic wave transducing head 5 is fixed at base 11 middle part, two fixing bases 12 are located the both sides of basin 6 respectively, first valves 3 and first valves 4 are fixed respectively on two fixing bases 12.

As a preferred embodiment of this embodiment, referring to fig. 5, in order to facilitate the two gas sources to branch the output gas to each sample bottle 2, the generator of this embodiment further includes a first bus bar 7, and the first bus bar 7 is connected between the first gas source a and the first gas valve group 3. And the second bus bar 8 is further included, and the second bus bar 8 is connected between the second air source B and the second air valve group 4.

As a preferred embodiment of this embodiment, referring to fig. 5, in order to facilitate the gas output from the first gas valve set 3 to be divided into the sample bottle 2 and the output gas path, the generator of this embodiment further includes 10 three-way quick connectors 9, and the three-way quick connectors 9 are disposed at the intersection of the pipeline connected to the first gas source a and the output gas path, and the pipeline communicated with the sample bottle 2.

Referring to fig. 1, as a preferred embodiment of the present embodiment, the three-way quick coupling 9 is disposed outside the casing 1 and fixed to the casing 1 by a three-way fixing bracket 10. The three-way fixing frame 10 is fixed on the top of the shell 1 and is positioned close to the sample bottles 2, and each three-way quick connector 9 is opposite to one sample bottle 2.

As a preferred embodiment of the present embodiment, referring to fig. 3 and fig. 6, in order to implement automatic time-sharing and shunt-branching precise control, the aerosol generator of the present embodiment further includes an electronic control assembly 13, where the electronic control assembly 13 is fixed inside the housing 1, and controls the air valve time-sharing switches of the first air valve set 3 and the second air valve set 4 and the switch of the ultrasonic transducing head 5. The main control chip of the embodiment adopts an STM32F103C8T6 microcontroller, and the RS-485 interface IC adopts SP485 EEN-L/TR.

As shown in fig. 6, the control principle of the electronic control assembly 13 is as follows: the main control chip acquires the upper computer command through the 485 communication module, analyzes the upper computer command, executes the upper computer command and feeds back the execution result. Specifically, the main control chip acquires an upper computer command, analyzes the upper computer command, and changes the level of a pin of the main control chip according to the analyzed information to control the relay to work, so that the one-to-ten-way air valve of the first air valve group 3 and the one-to-ten-way air valve of the second air valve group 4 are driven, and the ultrasonic drive module is controlled to drive the energy conversion head 5 to execute the upper computer command. Feeding back an execution result: and feeding back the executed result to the upper computer through a 485 communication bus.

As a preferred embodiment of the present embodiment, the housing 1 is provided with a handle 14 on the outer side for carrying and carrying.

Referring to fig. 5, in the working process of any one path of the generator of this embodiment, a pipeline is first cleaned, then ultrasonic oscillation is performed to blow dust, and finally the pipeline is cleaned again. The following is illustrated by the first path:

1. cleaning a pipeline: providing high-pressure atmosphere flow by a first air source A, wherein the air pressure is about 0.8Mpa, the flow rate is about 20L/min, opening a first air valve of a first air valve group 3, and cleaning a first output air passage by the high-pressure atmosphere flow;

2. ultrasonic oscillation purging: simultaneously opening 3 ultrasonic transducing heads 5 to agitate, then providing micro high pressure small airflow by a second air source B, wherein the air pressure is about 0.3Mpa, the flow rate is about 5L/min, providing low pressure atmospheric airflow by a first air source A, the air pressure is about 0.2Mpa, the flow rate is about 10L/min, and a first air valve of a first air valve group 3 and a first air valve of a second air valve group 4 are simultaneously opened to agitate and blow dust. Wherein, even dust can be guaranteed to open by the little high pressure air current, and the low pressure atmospheric current turbulent flow prevents aerosol from attaching to the pipe wall, and the wall built-up particulate matter that ultrasonic wave is swung and is hit returns the bottle bottom and dust again.

3. And (3) cleaning the pipeline again: the first air source A provides high-pressure air flow, the air pressure is about 0.8Mpa, the flow rate is about 20L/min, the first air valve of the first air valve group 3 is opened, and the first output air circuit is purged again.

The ten paths work according to the working process, any one path can be freely selected to work, the switch of the air valve and the switch of the ultrasonic transducer head 5 are controlled by the electric control assembly 13, the trouble of only one sample is avoided each time, and each path has uniform dust emission and no wall hanging.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. An aerosol generator with turbulence protection gas circuit capable of generating in multiple paths comprises a shell and a plurality of sample bottles, and is characterized in that: still including setting up the subassembly that vibrates in the casing, the sample bottle with vibrate the subassembly contact, still include with first air supply and the second air supply of all sample bottle intercommunications, still include the output gas circuit with first air supply intercommunication, output gas circuit and sample bottle intercommunication.

2. An aerosol generator with turbulence protection circuit as defined in claim 1, wherein: the oscillation assembly comprises an ultrasonic energy conversion head and a water tank, the sample bottle is placed in the water tank filled with water, and the ultrasonic energy conversion head is fixedly arranged on the water tank.

3. An aerosol generator with turbulence protection circuit as defined in claim 2, wherein: the gas source detection device is characterized by further comprising a first gas valve group, wherein the first gas valve group is connected with a first gas source, and the first gas valve group is further connected with a pipeline of the first gas source communicated with the sample bottle and the output gas circuit.

4. An aerosol generator with turbulence protection circuit as defined in claim 3, wherein: the sample bottle is characterized by further comprising a second air valve group, the second air valve group is connected with a second air source, and the second air valve group is further connected with a pipeline of a second air source communication sample bottle.

5. An aerosol generator with turbulence protection circuit as defined in claim 3, wherein: the first bus bar is connected between the first air source and the first air valve group.

6. An aerosol generator with turbulence protection circuit as defined in claim 4, wherein: the second bus bar is connected between the second air source and the second air valve set.

7. An aerosol generator with turbulence protection circuit as defined in claim 3, wherein: the sample bottle device is characterized by further comprising a plurality of three-way quick connectors, wherein the three-way quick connectors are arranged at the intersection points of a pipeline connected with the first air source, an output air path and a pipeline communicated with the sample bottle.

8. An aerosol generator according to claim 7, wherein the multiple generation gas path with turbulent flow protection comprises: the tee quick connector is arranged outside the shell and is fixed on the shell through a tee fixing frame.

9. An aerosol generator with turbulence protection circuit as defined in claim 4, wherein: a fixing seat is arranged in the shell, and the first air valve group and the second air valve group are fixed on the fixing seat.

10. An aerosol generator with turbulence protection circuit as defined in claim 4, wherein: the ultrasonic transducer also comprises an electric control assembly, wherein the electric control assembly is fixed in the shell and used for controlling the air valve time-sharing switches of the first air valve group and the second air valve group and the switch of the ultrasonic transducer head.