Indoor induction type negative oxygen ion air supply device

By designing a static pressure box and an internal induction structure, the air supply volume is increased using the principle of air induction, which solves the problems of uneven air supply volume and power consumption and noise in existing technologies, achieves uniform distribution of negative oxygen ions indoors, and reduces energy consumption.

CN223985293UActive Publication Date: 2026-03-10BEIJING TENGYUN ZHIHUI TECHNOLOGY DEVELOPMENT CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing negative ion air supply devices have not effectively solved problems such as uneven air volume distribution, high power consumption, and noise, and negative ions are difficult to distribute evenly in various indoor spaces.

Method used

It adopts a static pressure box and internal induction structure, and utilizes the design of double-row nozzles and baffles to increase the air supply volume through the air induction principle. Combined with the negative oxygen ion generator arranged below the static pressure box, it realizes the distributed application of negative oxygen ions.

Benefits of technology

Without increasing fan power consumption, the air volume was increased, solving the problems of uneven air volume and noise. At the same time, it achieved a uniform distribution of negative oxygen ions indoors and reduced energy consumption.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223985293U_ABST
    Figure CN223985293U_ABST
Patent Text Reader

Abstract

The utility model discloses an indoor induction type negative oxygen ion air supply device which comprises a plenum chamber (1), an air inlet (3) is formed in the side face of the plenum chamber (1), and a partition plate with double rows of nozzles (4) is arranged at the bottom of the plenum chamber (1). A negative oxygen ion generator (2) is arranged below the static pressure box (1); an internal induction structure is arranged between the static pressure box (1) and the negative oxygen ion generator (2) and comprises a transverse partition plate (5) with punched holes (9) and a vertical partition plate (6) with row holes in the top. According to the indoor induction type negative oxygen ion air supply device, the volume of air supplied into a room is increased by inducing indoor air, and the problems of power consumption and noise of a fan are solved while the fan is omitted.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of indoor air quality improvement, and in particular, to an indoor induced negative oxygen ion delivery device. Background Technology

[0002] The significant impact of negative ions on human health, lifespan, and the environment has been verified through clinical practice by medical experts both domestically and internationally. The human body can only maintain health when it achieves a balance of positive and negative ions. The most beneficial ratio of negative to positive ions is 3:1 or 4:1. Because the electron affinity (the ability to "capture" electrons) of various gaseous elements in the air varies, the ease with which they capture ionized free electrons also differs. Nitrogen's electron affinity is significantly lower than that of oxygen and carbon dioxide, while oxygen is the most abundant element in the lower atmosphere, accounting for about 20%, and carbon dioxide only 0.03%. Therefore, most of the free electrons generated by air ionization are captured by oxygen molecules, forming negative oxygen ions. .

[0003] The concentration of negative oxygen ions is closely related to people's health, and people need negative ions at all times, especially today with increasingly serious pollution. In noisy cities, there are only 100-200 negative oxygen ions per cubic centimeter, and even fewer indoors, only 40-50. When the number of negative oxygen ions in the air exceeds 10,000 per cubic centimeter, people feel refreshed and comfortable. Since we humans spend most of our time indoors, generating negative oxygen ions artificially is particularly necessary. Most negative ion generators on the market currently use the corona discharge method. The basic principle is to apply a high potential difference between two electrodes, one of which is a small, pointed needle. The high electric field surrounding this needle-shaped electrode generates a large number of positive and negative ions. If the needle-shaped electrode is the negative electrode, positive ions are quickly absorbed, and negative ions are repelled to the opposite electrode, producing negative air ions through corona discharge.

[0004] Current technology involves installing ceiling-mounted negative ion generator vents in central fresh air or air handling systems to deliver negative oxygen ions generated by corona discharge into the vicinity of people's heads, achieving beneficial effects on human function. To address concerns about insufficient local airflow and the inability to deliver negative oxygen ions to designated height areas, booster fans are often added. In simpler terms, this involves installing a booster fan and a negative ion generator inside the neck duct of a regular air vent; some fans are installed close to the vent, while others are installed after the negative ion generator.

[0005] The shortcomings of this existing technology are as follows: a main air supply duct requires multiple air outlets to deliver air into the room. When the designed air volume is constant, the air volume and air pressure of each air outlet are calculated through air pressure balance. When each air outlet is equipped with a booster fan with a negative ion generator, the suction of negative pressure will inevitably lead to the formation of local negative pressure zones, resulting in an imbalance in the air volume distribution between the outlets. Some outlets will have an air volume exceeding the design value, while others will have an air volume below the design value. This is one problem. Secondly, although the power consumption of a single fan is relatively small, when a certain number are used, the total power consumption and overall noise impact on the indoor environment are unavoidable. Utility Model Content

[0006] The purpose of this utility model is to provide an indoor induced negative oxygen ion air supply device to address the above-mentioned problems. This device increases the air volume delivered into the room by inducing indoor air, eliminating the need for a fan while also solving the problems of power consumption and noise.

[0007] An indoor induced negative oxygen ion air supply device includes a static pressure box, an air inlet on the side of the static pressure box, and a partition with double-row nozzles at the bottom of the static pressure box; a negative oxygen ion generator is arranged below the static pressure box; an internal induction structure is provided between the static pressure box and the negative oxygen ion generator, the internal induction structure including a perforated horizontal partition and a vertical partition with exhaust holes at the top.

[0008] Preferably, the air inlet is connected to the indoor fresh air system.

[0009] Preferably, the diameter of the perforated transverse partition is 20-30 mm, and the center-to-center distance between the holes is 40-60 mm.

[0010] Preferably, a perforated partition is provided below the negative ion generator, with a perforation diameter of 20-30mm and a center-to-center spacing of 40-60mm.

[0011] Preferably, the cross-section of the double-row nozzle is an inverted cone shape, with an upper diameter of 10mm and a lower diameter of 6mm.

[0012] Preferably, the partition with double-row nozzles has fan-shaped protrusions in four directions.

[0013] Preferably, the negative oxygen ion generator is a needle-tip bipolar negative oxygen ion generator.

[0014] Preferably, the vertical partition with perforations at the top has double rows of perforations with a perforation diameter of 30mm and a center-to-center spacing of 60mm.

[0015] Preferably, the partition with double-row nozzles, the horizontal partition, and the vertical partition are all made of thin steel plates.

[0016] Due to the adoption of the above technical solution, the beneficial effects of this utility model include:

[0017] (1) The mechanism of inducing indoor air by the nozzle of high-speed jet airflow can be used to purify the air of the air outlet. This can improve the indoor air environment without changing the pressure distribution in the original air duct. At the same time, the air outlets do not affect each other, thus reducing costs.

[0018] (2) It avoids the technical route of increasing the air volume by drawing air through the air supply duct by the fan, so that the air volume can be increased without strengthening the fan, thus solving the problems of power consumption and noise and greatly reducing energy consumption.

[0019] (3) It realizes the distributed application of negative oxygen ion generator, which is more effective for spaces with large area and high floor height. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of an indoor induced negative oxygen ion air supply device according to this utility model;

[0021] Figure 2 yes Figure 1 A schematic diagram of a double-row nozzle in an indoor induced negative oxygen ion air supply device is shown.

[0022] Figure 3 yes Figure 1 The diagram shows a schematic of the structure of a horizontal partition or surface partition in an indoor induced negative oxygen ion air supply device.

[0023] Attached reference numerals: 1- Static pressure box; 2- Negative oxygen ion generator; 3- Air inlet; 4- Double row of nozzles; 5- Horizontal partition; 6- Vertical partition; 7- Surface partition; 8- Fan-shaped protrusion; 9- Perforation. Detailed Implementation

[0024] The present invention will now be described in detail with reference to the accompanying drawings.

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be 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 present utility model and are not intended to limit the present utility model.

[0026] Figure 1This is a schematic diagram of the structure of an indoor induced negative oxygen ion air supply device according to this utility model. As shown in the figure, an indoor induced negative oxygen ion air supply device includes a static pressure box 1, an air inlet 3 on the side of the static pressure box 1, and a partition with double-row nozzles 4 at the bottom of the static pressure box 1; a negative oxygen ion generator 2 is arranged below the static pressure box 1; an internal induction structure is provided between the static pressure box 1 and the negative oxygen ion generator 2, the internal induction structure including a horizontal partition 5 with perforations 9 and a vertical partition 6 with exhaust holes at the top.

[0027] Optionally, the air inlet 3 is connected to the indoor fresh air system.

[0028] Optionally, a perforated partition plate 7 is provided below the negative ion generator 2.

[0029] This utility model discloses an indoor induced negative oxygen ion air supply device. To improve indoor air quality, fresh air purified by a fresh air system is delivered into a static pressure box 1. After pressure stabilization, the air enters the jet mixing zone through a partition with double-row nozzles 4 at the bottom of the static pressure box 1. Due to the small diameter of the double-row nozzles 4, the air pressure and velocity increase as the airflow passes through them. This airflow continuously draws in indoor air, generating induced air supply. Indoor air, due to the strong induction effect of the air vents, enters the perforated surface partition 7, and after passing through the negative oxygen ion generator 2, generates a large number of negative oxygen ions. These ions then pass through the embedded horizontal partition with perforations 9 and the vertical partition with perforations at the top, entering the jet mixing zone. The resulting induced air supply volume is large, and the airflow velocity is high as it enters the room through the induced air supply duct. This allows the mixed air containing a large number of negative oxygen ions to be delivered into a space at brain level, allowing the body to inhale them and achieving a health-beneficial effect.

[0030] Figure 2 yes Figure 1 The diagram shows a double-row nozzle structure in an indoor induced negative oxygen ion air supply device.

[0031] Optionally, the cross-section of the double-row nozzles is an inverted cone, with an upper diameter of 10mm and a lower diameter of 6mm. The nozzles protrude 8mm below the partition with the double-row nozzles. The number and shape are determined according to the shape of the induced air outlet. The center-to-center distance between the double-row nozzles 4 is 1 / 3 of the diameter of the induced air supply duct.

[0032] As the bottom partition of the static pressure chamber 1 (taking a circle as an example), it has fan-shaped protrusions 8 in four directions, opening at an angle of 30 degrees from the center. Figure 2 As shown, the fan-shaped protrusion 8 is integrally machined with the partition plate. An arc-shaped opening, equal in length to or slightly longer than the outer arc of the fan-shaped protrusion 8, is provided at the corresponding position on the side panel of the static pressure box 1, allowing the protrusion to be inserted into the opening and extend outwards to form a secure connection. The dual-row nozzles 4 are evenly distributed along their respective annular lines; their number depends on the technical requirements for fresh air volume and air velocity.

[0033] Optionally, the negative ion generator 2 is a needle-tip bipolar negative ion generator.

[0034] A vertical baffle with perforations at the top is located within the jet mixing zone. Its function is to guide the induced indoor air to the mixing zone near the nozzle. The perforation diameter is 30mm, and the center-to-center spacing of the perforations is 60mm. A double row of perforations is used.

[0035] Figure 3 yes Figure 1 The diagram shows a schematic of the structure of a horizontal partition or surface partition in an indoor induced negative oxygen ion air supply device.

[0036] Similar to the function of vertical baffles, horizontal baffles and surface baffles serve to guide flow. Taking a circular baffle as an example, the center lines of the annular holes are arranged with a punch diameter of 20-30mm and a center-to-center spacing of 40-60mm, covering the entire baffle.

[0037] This utility model's indoor induced negative oxygen ion air supply device can be round or square in shape, and its size can be large or small, depending on the functional room type of the building. Therefore, it is suitable for various public and residential buildings. Because it relies on natural convection to form suction, top-mounted air supply is preferable.

[0038] Optionally, the partition with double-row nozzles, the horizontal partition 5, and the vertical partition are all made of thin steel plates.

[0039] This utility model's indoor induced negative oxygen ion air supply device, except for the negative oxygen ion generator, is made of thin steel plates through punching, bending, forging, etc. Connections between components can be made by arc welding or riveting. Depending on the installation position and dimensions of the negative oxygen ion generator within the device, cross-shaped thin steel strips can be riveted together. Compared to the horizontal and vertical partitions of the internal induction structure, the bottom partition with double-row nozzles and the remaining panels of the static pressure box should be made of steel plates with a greater thickness, as they must bear the weight of the vertical and horizontal partitions of the internal induction structure and the negative oxygen ion generator.

[0040] This document uses specific embodiments to illustrate the principles and implementation methods of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. An indoor induced negative oxygen ion delivery device, characterized in that: The utility model relates to a static pressure box (1) is provided with air inlet (3) on the side, the bottom is provided with the baffle with double row nozzle (4), the lower part of static pressure box (1) is arranged negative oxygen ion generator (2), the inside between static pressure box (1) and negative oxygen ion generator (2) is provided with internal induction structure, and the internal induction structure includes the transverse baffle (5) with punching (9) and the vertical baffle (6) with row hole in top.

2. The indoor induced negative oxygen ion air supply device according to claim 1, characterized by: The air inlet (3) is connected with the indoor fresh air system.

3. The indoor induced negative oxygen ion air supply device according to claim 1, characterized by: The punching diameter of the transverse baffle with punching (9) is 20-30mm, and the hole center spacing is 40-60mm.

4. The indoor induced negative oxygen ion air supply device as claimed in claim 1, wherein: The lower part of the negative oxygen ion generator (2) is provided with the surface baffle (7) with punching, the punching diameter is 20-30mm, and the hole center spacing is 40-60mm.

5. The indoor induced negative oxygen ion air supply device as claimed in claim 4, wherein: The cross section of the double row nozzle (4) is inverted conical, the upper aperture is 10mm, and the lower aperture is 6mm.

6. The indoor induced negative oxygen ion air supply device as claimed in claim 5, wherein: The baffle with double row nozzle (4) is provided with fan-shaped convex (8) in four directions.

7. The indoor induced negative oxygen ion air supply device as claimed in claim 1, wherein: The negative oxygen ion generator (2) is needle-point type bipolar negative oxygen ion generator.

8. The indoor induced negative oxygen ion air supply device as claimed in claim 7, wherein: The negative oxygen ion generator (2) adopts cross thin steel sheet strip riveting.

9. The indoor induced negative oxygen ion air supply device as claimed in claim 1, wherein: The vertical baffle (6) with row hole in top adopts double row hole, the punching aperture is 30mm, and the hole center spacing is 60mm.

10. The indoor induced negative oxygen ion air supply device according to claim 4, wherein: The baffle with double row nozzle (4), the transverse baffle (5) and the vertical baffle (6) are all made of thin steel sheet.