CN111579632A

CN111579632A - Negative ion sensor

Info

Publication number: CN111579632A
Application number: CN202010540925.0A
Authority: CN
Inventors: 徐永根; 韦纪超; 魏佳敏
Original assignee: Hangzhou Xiangtai Intelligent Co ltd
Current assignee: Hangzhou Xiangtai Intelligent Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-08-25

Abstract

The invention discloses an anion sensor which comprises an air duct assembly, a circuit board and a sealing piece, wherein the air duct assembly and the circuit board are both embedded in the sealing piece, the air duct assembly comprises an air duct plastic piece and a gold-plated brass tube, a cover body is fixed with a shell through screws, an opening for placing a connector is arranged at the side end of the cover body, the connector is placed at the connector opening of the cover body and the connector opening of the shell, an air duct inlet opening is arranged at one end of the shell, a shell air duct outlet opening at the other end is combined with the cover air duct outlet opening to form a complete air duct outlet opening, and an embedding groove is arranged in the shell and used for embedding the air duct assembly. This anion sensor adopts unique cylindric collection structure, only uses a polar plate, and the equipment is simple, and the collection area is big, adopts the inspiratory mode data acquisition of initiative, and is convenient effective, and this anion sensor volume is less, and the precision is high. Two hole sites capable of being installed and fixed are arranged at the same time of small volume, so that the installation is convenient.

Description

Negative ion sensor

Technical Field

The invention relates to the technical field of negative ion sensing equipment, in particular to a negative ion sensor.

Background

The negative ion refers to oxygen ion with negative charge by acquiring surplus electrons, which is formed by combining oxygen molecules in the air with free electrons, and the negative ion is obtained by mostly using oxygen as the free electrons generated by ionizing the molecules in the air under the action of high pressure or strong rays. One class of negatively charged (electron negatively charged) oxyanions [1] in which some electrons are thus acquired is called "negative ions", and the other class is healthy killer superoxide radicals.

The negative ion sensor on the market at present has the following defects: 1. the sensor has small acquisition area and complex assembly. 2. The negative ion sensor on the market can read data only by pressing the metal plate to be grounded and waving the sensor at the same time, and the process is complex and the accuracy is low. 3. The sensor on the market is bigger, is difficult to carry. 4. When the collected negative ions are processed, the collecting circuit is generally matched with two polar plates, so that the circuit is complex and large in size (the size is difficult to reduce).

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the anion sensor, and solves the problems that 1, the acquisition area of the sensor is small, and the assembly is complex. 2. The negative ion sensor on the market can read data only by pressing the metal plate to be grounded and waving the sensor at the same time, and the process is complex and the accuracy is low. 3. The sensor on the market is bigger, is difficult to carry. 4. When the collected negative ions are processed, the collecting circuit is generally matched with two polar plates, so that the circuit is complex and large in size (the size is difficult to reduce).

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the negative ion sensor comprises an air duct assembly, a circuit board and a sealing piece, wherein the air duct assembly and the circuit board are embedded in the sealing piece, the cover body is fixed with a shell through screws, an opening for placing a connector is formed in the side end of the cover body, the connector is placed at the connector opening of the cover body and the connector opening of the shell, an air duct inlet opening is formed in one end of the shell, a shell air duct outlet opening in the other end of the shell and the cover air duct outlet opening are combined to form a complete air duct outlet opening, an embedding groove is formed in the shell, a bottom wall, a first bottom plate, a second bottom plate, a first installation fixing hole and a second installation fixing hole are formed in the bottom of the shell, the air duct assembly is embedded in the embedding groove, the circuit board is fixed on the shell, at least one processing element and a fixing spring pad are arranged on the circuit board, The spring embedding inlet is located above the air channel plastic part and connected with a fixed spring bonding pad on the circuit board through a spring, and a fan is arranged at one end of the air channel plastic part.

Preferably, a gold-plated protection layer is arranged on the board body of the circuit board.

Preferably, a gold-plated protection layer is arranged on the spring.

Preferably, a gold-plated protective layer is arranged on the brass tube.

Preferably, the closure is made of an aluminum alloy metal material.

Preferably, the circuit board is in ground communication with the enclosure.

Preferably, the air duct plastic member is made of polyacetal.

(III) advantageous effects

The invention provides a negative ion sensor. The method has the following beneficial effects:

1. the anion sensor adopts a unique cylindrical collecting structure, only uses one polar plate, and has simple assembly and large collecting area.

2. The negative ion sensor adopts an active suction mode to collect data, and is convenient and effective.

3. The negative ion sensor has small volume and high precision.

4. This anion sensor has been equipped with two hole sites that can install fixedly when small, and is easy to assemble (the mountable is in the inside of air purifier, new trend system and air conditioner).

Drawings

FIG. 1 is a schematic diagram of the overall explosive structure of the present invention;

FIG. 2 is a schematic view of the overall appearance structure of the present invention;

FIG. 3 is a schematic view of the overall partial appearance structure of the present invention;

FIG. 4 is a schematic view of the housing structure of the present invention;

fig. 5 is a schematic structural diagram of the working principle of the present invention.

In the figure, a screw-1, an air duct assembly-10, a gold-plated brass tube-11, an air duct plastic part-12, a spring insert inlet-13, a spring-2, a circuit board-20, at least one processing element-21, a fixed spring pad-22, a connector-23, a fan-3, a sealing part-30, a cover body-31, a cover body connector opening-311, a cover body air duct outlet-312, a shell body-32, a shell body connector opening-321, a bottom wall-322, a first bottom plate-323, a second bottom plate-324, a first installation fixing hole-325, a second installation fixing hole-326, an inlet opening-327 and a cover body air duct outlet-328 are arranged in the air duct.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: the negative ion sensor comprises an air duct assembly 10, a circuit board 20 and a closing part 30, wherein the air duct assembly 10 and the circuit board 20 are both embedded in the closing part 30, the cover body 31 is fixed with the shell body 32 through screws 1, an opening 311 for placing the connector 23 is arranged at the side end of the cover body 31, the connector 23 is placed at the connector opening 311 of the cover body 31 and the connector opening 321 of the shell body 32, an air duct inlet opening 327 is arranged at one end of the shell body 32, a shell air duct outlet opening 328 at the other end is combined with the cover air duct outlet opening 312 to form a complete air duct outlet opening, an embedding groove is arranged in the shell body 32, a bottom wall 322, a first bottom plate 323, a second bottom plate 324, a first installing and fixing hole 325 and a second installing and fixing hole 326 are arranged at the bottom of the shell body 32, the air duct assembly 10 is embedded in the embedding groove, and the, the air duct assembly comprises a circuit board 20, and is characterized in that at least one processing element 21 and a fixed spring pad 22 are arranged on the circuit board 20, the air duct assembly 10 comprises a gold-plated brass tube 11, an air duct plastic part 12 and a spring embedding inlet 13, the spring embedding inlet 13 is located above the air duct plastic part 12 and is connected with the fixed spring pad 22 on the circuit board 20 through a spring 2, and a fan 3 is arranged at one end of the air duct plastic part 12.

A gold-plating protective layer is arranged on the board body of the circuit board 20. The cable can well shield the interference of the outside on the electrical performance, and has good oxidation resistance and electrical conductivity and strong stability.

And a gold-plated protective layer is arranged on the spring 2. The oxidation resistance and the conductivity are good, and data instability or data failure caused by oxidation can be avoided.

And a gold-plated protective layer is arranged on the brass tube 11. The design of the gold plating layer is adopted, so that the conductive average and the ion collection rate of the surface of the electroplate are enhanced, and meanwhile, the oxidation resistance is also increased.

The sealing member 30 is made of an aluminum alloy metal material. Electromagnetic interference and static electricity generated by touch of a human hand can be shielded, so that influence on measurement data is generated.

The circuit board 20 is in ground conduction with the enclosure 30. Electromagnetic interference is shielded.

The air duct plastic member 12 is made of polyacetal. Has good insulation performance and is hardly affected by temperature and humidity.

The working principle is as follows: the negative ions are sucked into the flow channel through the fan 3, are deflected to the polarization plate under the action of a polarization electric field of the polarization plate, transfer the carried charges to the polarization plate, and are converted into an electric form through the amplification circuit, and then are supplied to the singlechip for processing.

The invention relates to a screw 1, an air duct assembly 10, a brass tube 11, an air duct plastic part 12, a spring embedded inlet 13, a spring 2, a circuit board 20, at least one processing element 21, a fixed spring pad 22, a connector 23, a fan 3, a closing part 30, a cover body 31, a cover body connector opening 311, a cover body air duct outlet opening 312, a shell body 32, a shell body connector opening 321, a bottom wall 322, a first bottom plate 323, a second bottom plate 324, a first installation fixing hole 325, a second installation fixing hole 326, an air duct inlet opening 327 and a shell air duct outlet opening 328. 2. The negative ion sensor on the market can read data only by pressing the metal plate to be grounded and waving the sensor at the same time, and the process is complex and the accuracy is low. 3. The sensor on the market is bigger, is difficult to carry. 4. When the collected negative ions are processed, the collecting circuit is generally matched with the two polar plates, so that the circuit is complex and has a large volume (the volume is difficult to reduce), and the invention has the following advantages: 1. the anion sensor adopts a unique cylindrical collecting structure, only uses one polar plate, and has simple assembly and large collecting area. 2. The negative ion sensor adopts an active suction mode to collect data, and is convenient and effective. 3. The negative ion sensor has small volume and high precision. 4. This anion sensor has been equipped with two hole sites that can install fixedly when small, and is easy to assemble (the mountable is in the inside of air purifier, new trend system and air conditioner).

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Anion sensor, its characterized in that: the air duct assembly comprises an air duct assembly (10), a circuit board (20) and a sealing piece (30), wherein the air duct assembly (10) and the circuit board (20) are embedded in the sealing piece (30), a cover body (31) is fixed with a shell (32) through screws (1), an opening (311) for placing a connector (23) is formed in the side end of the cover body (31), the connector (23) is placed at the connector opening (311) of the cover body (31) and the connector opening (321) of the shell (32), one end of the shell (32) is provided with an air duct inlet opening (327), a shell air duct outlet opening (328) at the other end is combined with the cover air duct outlet opening (312) to form a complete air duct outlet opening, an embedding groove is formed in the shell (32), the bottom of the shell (32) is provided with a bottom wall (322), a first bottom plate (323), a second bottom plate (324), a first mounting fixing hole (325) and a second mounting fixing hole (326), the air duct assembly (10) is embedded in the embedding groove, the circuit board (20) is fixed on the shell (32), at least one processing element (21) and a fixed spring pad (22) are arranged on the circuit board (20), the air duct assembly (10) comprises a gold-plated brass tube (11), an air duct plastic part (12) and a spring embedding opening (13), the spring embedding opening (13) is located above the air duct plastic part (12) and is connected with the fixed spring pad (22) on the circuit board (20) through a spring (2), and a fan (3) is arranged at one end of the air duct plastic part (12).

2. The negative ion sensor of claim 1, wherein: and a gold-plated protective layer is arranged on the board body of the circuit board (20).

3. The negative ion sensor of claim 1, wherein: and a gold-plated protective layer is arranged on the spring (2).

4. The negative ion sensor of claim 1, wherein: and a gold-plated protective layer is arranged on the brass tube (11).

5. The negative ion sensor of claim 1, wherein: the sealing member (30) is made of an aluminum alloy metal material.

6. The negative ion sensor of claim 1, wherein: the circuit board (20) is in ground conduction with the enclosure (30).

7. The negative ion sensor of claim 1, wherein: the air duct plastic part (12) is made of polyacetal material.