CN214472095U

CN214472095U - Ion collecting device

Info

Publication number: CN214472095U
Application number: CN202022891763.3U
Authority: CN
Inventors: 罗昶; 王杰; 姚伟健; 沈明; 代海宁; 陆华
Original assignee: Kunshan Three Dimensional Heat Exchanger Co ltd
Current assignee: Kunshan Three Dimensional Heat Exchanger Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-10-22
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses an ion collecting device, which comprises a shell, wherein a cavity is formed in the shell and is communicated with a front opening and a rear opening, the ion collecting area is provided with a polarizing plate and a collecting plate which are arranged in the cavity of the shell, and ion channels are arranged between the polarizing plate and the collecting plate and between the polarizing plate and the inner side wall of the shell; the shell of the ion collecting device is made of metal materials at least in the ion collecting area, the ion collecting device is provided with a supporting seat, the supporting seat is arc-shaped and protrudes into the cavity, and the supporting seat is supported at the rear ends of the polarization plate and the collecting plate and provides air to flow into the rear opening from the front opening in parallel so as to prevent the air from streaming.

Description

Ion collecting device

Technical Field

The utility model relates to an ion collection device especially relates to an ion collection device of detectable space ion concentration.

Background

Air anions are a collective term for negatively charged single gas molecules and light ion clusters. According to the size of the ion particle size, the negative ions in the air are divided into small ions, medium ions and large ions.

Please refer to the utility model 86202425 published on 19.8.1987, which discloses an air ion collector having a housing forming a cavity, a plurality of parallel polarization plates and collecting plates are disposed in the cavity, a group of small polarization plates and small collecting plates are disposed at the front side of the opening, a group of large polarization plates and large collecting plates are disposed at the rear side, and the polarization plates and the collecting plates are supported by a supporting body in the cavity.

Due to the arrangement of the support body, the flow of air in the ion collector is not blocked, and the problem of air bouncing in the ion collector is increased.

Therefore, it is necessary to design a negative ion collecting device to reduce the measurement error of the ion measuring instrument to accurately measure the concentration of ions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ion collection device for preventing air series flow.

In order to achieve the above purpose, the utility model has the following technical scheme: an ion collection device, comprising: the ion collector comprises a shell with a front opening and a rear opening, a filter screen positioned at the front opening, a fan positioned at the rear opening and an ion collecting area at the middle section; a cavity is formed in the shell and is communicated with the front opening and the rear opening, and the fan provides power for air entering the ion collection area and introduces airflow from the front opening to the rear opening; the ion collecting area is provided with a polarizing plate and a collecting plate which are arranged in a cavity of the shell, and ion channels are arranged between the polarizing plate and the collecting plate and between the polarizing plate and the inner side wall of the shell; the shell of the ion collecting device is made of metal materials at least in the ion collecting area, the ion collecting device is provided with a supporting seat, the supporting seat is arc-shaped and protrudes into the cavity, and the supporting seat is supported at the rear ends of the polarization plate and the collecting plate.

The further improvement scheme is as follows: the curvature radius of the front end of the support seat is smaller than that of the rear end.

The further improvement scheme is as follows: the front end of the supporting seat is arc-shaped, and the rear end of the supporting seat is inclined plane-shaped.

The further improvement scheme is as follows: the ion collecting device is provided with a flow guide seat positioned at the front opening, and the flow guide seat is supported on the filter screen.

The further improvement scheme is as follows: the curvature radius of the front end of the flow guide seat is smaller than that of the rear end of the flow guide seat.

The further improvement scheme is as follows: the front end of the flow guide seat is arc-shaped, and the rear end of the flow guide seat is inclined plane-shaped.

The further improvement scheme is as follows: the front and rear ends of the polarization plate and the collection plate are respectively in an inclined plane type structure, the collection plate and the polarization plate are made of copper plates, the surfaces of the collection plate and the polarization plate are plated with gold, and the front end of the collection plate protrudes and extends to the front end relative to the polarization plate.

The further improvement scheme is as follows: the cavity is provided with a first space which is positioned between the filter screen and the front ends of the polarization plate and the collection plate, and the first space is communicated with the ion channel.

The further improvement scheme is as follows: the cavity is provided with a second space between the rear ends of the polarization plate and the collection plate and the fan, and the second space is communicated with the ion channel.

The further improvement scheme is as follows: the second space is arranged in two chambers, and a filtering inner net is arranged in the middle of the second space.

The utility model discloses an ion collection device has following beneficial effect: the shell of the ion collecting device is made of metal materials at least in an ion collecting area, an arc-shaped supporting seat is arranged on the ion collecting device, the supporting seat is supported at the rear ends of the polarization plate and the collecting plate, the supporting seat is arranged in an arc shape, and air is provided to flow into the rear opening from the front opening in parallel so as to prevent the air from streaming.

Drawings

Fig. 1 is a perspective view of the ion collecting device of the present invention;

fig. 2 is a schematic cross-sectional view of fig. 1.

Detailed Description

Please refer to fig. 1 and 2, which illustrate an ion collecting device according to the present invention, comprising: the ion collector comprises a shell 1 with a front opening and a rear opening, a filter screen 2 positioned at the front opening, a fan 3 positioned at the rear opening, an ion collecting area 4 at the middle section, a supporting seat 7 and a power supply box body 9 for supporting the lower end of the shell. The power supply box 9 provides power and information acquisition data output for the ion collection device.

The housing 1 has a cavity 10 formed therein and communicating with the front and rear openings, the ion collecting region 4 has a polarizing plate 5 and a collecting plate 6 installed in the cavity of the housing 1 in parallel, the polarizing plate 5 and the collecting plate 6 are alternately arranged (not shown) to absorb negative ions in the air and determine the quality of the air, in this embodiment, the collecting plate 6 and the polarizing plate 5 of the ion collecting device are made of copper plates, the surfaces thereof are plated with gold, and the collecting plate 6 is ahead of the polarizing plate 5. The filter screen 2 can refine air and prevent impurities from entering the ion collecting device; the fan 3 powers the air entering the ion collection region 4, drawing an airflow from the front opening to the rear opening.

In the present embodiment, ion channels 101 are disposed between the polarization plate 5 and the collection plate 6 and between the polarization plate and the inner side wall of the housing 1, so as to facilitate the introduction of air from the front opening to the rear opening; and the polarizing plate 5 and the collecting plate 6 are located in an ion collecting region which is made of a metal material and does not interfere with the flow of ions of air.

The support seat 7 of the ion collecting device is arc-shaped and protrudes into the cavity 10, the support seat 7 is supported at the rear ends of the polarization plate 5 and the collecting plate 6, the curvature radius 71 of the front end of the support seat 7 is smaller than the curvature radius 72 of the rear end, so that the air in the cavity can be conveniently led into the rear opening in a parallel direction to prevent the air from streaming. In the present embodiment, the front end of the support base 7 is formed in a circular arc shape, and the rear end thereof is formed in an inclined plane shape. Since the radius of curvature is a circle having the largest radius of inscribed circle at a certain point on the curve, the radius of the circle is defined as the radius of curvature, and the rear end of the support seat of the present embodiment is shaped as an inclined plane, which means that the radius of curvature is infinite.

The ion collecting device is provided with a flow guide seat 8 positioned at the front opening, the flow guide seat is supported on the filter screen 2, the curvature radius 81 of the front end of the flow guide seat 8 is smaller than the curvature radius 82 of the rear end, so that air can be conveniently led into the cavity in parallel, the air flows in the direction parallel to the collecting plate and the polarizing plate as far as possible, and the accuracy of ion measurement is improved. In the present embodiment, the front end of the deflector is arc-shaped, and the rear end is inclined plane-shaped, which is also more favorable for air to flow into the cavity in parallel direction. The front and rear ends of the polarization plate 5 and the collection plate 6 are respectively in an inclined plane structure, which is convenient for air flow.

The cavity has a first space 102 between the filter screen and the front ends of the polarizing and collecting plates 5, 6, the first space 102 communicating with the ion channel 101. The cavity has a second space 103 between the rear ends of the polarizing and collecting plates 5 and 6 and the fan, the second space 103 communicating with the ion channel 101. The second space 103 is provided with two chambers, and a filtering inner net 20 is arranged in the middle. The first and second spaces are used for air guiding and preventing series flow.

In this embodiment, the ion collecting device is provided with the arc-shaped supporting seat 7, the supporting seat is supported at the rear ends of the polarization plate 5 and the collecting plate 6, and the curvature radius of the front end of the supporting seat is smaller than that of the rear end, so that air can flow into the rear opening from the front opening in parallel to prevent the air from streaming.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims

1. An ion collection device, comprising: the ion collector comprises a shell with a front opening and a rear opening, a filter screen positioned at the front opening, a fan positioned at the rear opening and an ion collecting area at the middle section; a cavity is formed in the shell and is communicated with the front opening and the rear opening, and the fan provides power for air entering the ion collection area and introduces airflow from the front opening to the rear opening; the ion collection area is provided with a polarization plate and a collection plate which are arranged in a cavity of the shell, and ion channels are arranged between the polarization plate and the collection plate and between the polarization plate and the inner side wall of the shell; the method is characterized in that: the shell of the ion collecting device is made of metal materials at least in the ion collecting area, the ion collecting device is provided with a supporting seat, the supporting seat is arc-shaped and protrudes into the cavity, and the supporting seat is supported at the rear ends of the polarization plate and the collecting plate.

2. The ion collection device of claim 1, wherein: the curvature radius of the front end of the support seat is smaller than that of the rear end.

3. The ion collection device of claim 2, wherein: the front end of the supporting seat is arc-shaped, and the rear end of the supporting seat is inclined plane-shaped.

4. The ion collection device of claim 1, wherein: the ion collecting device is provided with a flow guide seat positioned at the front opening, and the flow guide seat is supported on the filter screen.

5. The ion collection device of claim 4, wherein: the curvature radius of the front end of the flow guide seat is smaller than that of the rear end of the flow guide seat.

6. The ion collection device of claim 5, wherein: the front end of the flow guide seat is arc-shaped, and the rear end of the flow guide seat is inclined plane-shaped.

7. The ion collection device of claim 1, wherein: the front and rear ends of the polarization plate and the collection plate are respectively in an inclined plane type structure, the collection plate and the polarization plate are made of copper plates, the surfaces of the collection plate and the polarization plate are plated with gold, and the front end of the collection plate protrudes and extends to the front end relative to the polarization plate.

8. The ion collection device of claim 1, wherein: the cavity is provided with a first space which is positioned between the filter screen and the front ends of the polarization plate and the collection plate, and the first space is communicated with the ion channel.

9. The ion collection device of claim 1, wherein: the cavity is provided with a second space between the rear ends of the polarization plate and the collection plate and the fan, and the second space is communicated with the ion channel.

10. The ion collection device of claim 9, wherein: the second space is arranged in two chambers, and a filtering inner net is arranged in the middle of the second space.