Marine air purification device with negative ion generator

By combining HEPA filters and negative ion generators, the problem of poor salt spray treatment and easy clogging of marine air purification devices in aquatic environments is solved, achieving efficient purification and simplified maintenance.

CN223747212UActive Publication Date: 2026-01-02NANJING HENGXINGDA MECHANICAL & ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520140175.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-02
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing marine air purification devices are ineffective at handling salt spray in aquatic environments and are prone to clogging.

Method used

It adopts a combination design of HEPA filter, activated carbon filter, negative pressure fan and negative ion generator. It uses the high-efficiency filtration characteristics of HEPA filter to intercept salt mist particles, and generates highly active negative air ions through negative ion generator to actively capture harmful substances. Combined with pulse purging mechanism, it cleans the HEPA filter blockage.

Benefits of technology

It significantly improves air purification in salt spray environments, prevents salt spray particles from re-entering the air, extends equipment life, simplifies maintenance, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

A marine air purification device with a negative ion generator relates to the technical field of air purifiers and comprises a shell, three HEPA filters are arranged in the middle of the interior of the shell, a connecting pipe is arranged between every two adjacent HEPA filters, the air inlet end of each connecting pipe is connected with the upper end of the corresponding HEPA filter, and the air outlet end of each connecting pipe is connected with the lower end of the corresponding HEPA filter. The air outlet end of the connecting pipe is connected with one side of an HEPA filter, an activated carbon filter is arranged at the upper end of the interior of the shell, the air inlet end of the activated carbon filter is connected with the upper end of the HEPA filter at the front end, an exhaust pipe is arranged at the air outlet end of the activated carbon filter, and a negative pressure fan is installed at the rear end of the exterior of the exhaust pipe. And a negative ion generator is mounted at the front end of the exterior of the exhaust pipe. According to the scheme, the problems that an air purification device is poor in water salt mist treatment effect and prone to blockage are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air purifier technical field, concretely is a marine air purification device with negative ion generator. BACKGROUND

[0002] Marine air purification device is a kind of equipment specially designed for improving air quality in the cabin of ship. It effectively removes harmful substances in air, such as dust, bacteria, viruses, cooking fumes and other pollutants, by adsorption, filtration and other methods, to create a comfortable and healthy living environment for the crew. These devices may include various filters, electrostatic precipitators, marine decontamination devices and harmful gas combustion devices, which use physical, chemical or biological methods to purify air.

[0003] For example, the Chinese authorized patent "air purification device" with publication number CN220892337U includes a purification air intake device main body, the purification air intake device main body is installed with adjustable impeller assembly, adjustable impeller assembly includes impeller assembly and first adjustment assembly, impeller assembly is detachably installed on the first adjustment assembly, the first adjustment assembly and the purification air intake device main body are connected;Adjustable impeller assembly is connected with connection adjustment assembly, connection adjustment assembly and impeller assembly, purification air intake device main body are connected, connection adjustment assembly is connected with driving assembly, driving assembly is installed on the purification air intake device main body;Connection adjustment assembly is used for connecting impeller assembly and driving assembly.

[0004] Although the above-mentioned prior art can be used for air purification on ships, it is different from land environment, and there is a lot of salt mist in the air, so the conventional air purification mechanism is difficult to play a role, and it is easy to cause the blockage of the air purification mechanism, so it does not meet the existing demand, for this, we propose a marine air purification device with negative ion generator. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a marine air purification device with negative ion generator to solve the problem of poor treatment effect of air purification device on water salt mist and easy blockage in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A marine air purification device with negative ion generator, including the shell, the middle position of the shell inside is provided with three HEPA filters, is provided with the connecting pipe between adjacent HEPA filter, the air inlet end of connecting pipe is connected with the upper end of HEPA filter, and the air outlet end of connecting pipe is connected with one side of HEPA filter, the upper end of the shell inside is provided with activated carbon filter, and the air inlet end of activated carbon filter is connected with the upper end of HEPA filter in front, the air outlet end of activated carbon filter is provided with the exhaust pipe, the rear end of exhaust pipe outside is installed negative pressure fan, the front end of exhaust pipe outside is installed negative ion generator.

[0007] Preferably, the inside of the HEPA filter is provided with a HEPA filter cartridge, the HEPA filter cartridge is in sliding connection with the HEPA filter, and the center hole of the HEPA filter cartridge is connected with the air outlet end of the HEPA filter.

[0008] Preferably, the air outlet pipe of the HEPA filter in front is provided with an air flow sensor, the HEPA filter is provided with a pulse purge pipe above, and the lower branch pipe of the pulse purge pipe extends into the air outlet end of the HEPA filter.

[0009] Preferably, the inside of the activated carbon filter is provided with a plurality of activated carbon plates distributed at equal intervals.

[0010] Preferably, the inside of the negative ion generator is provided with a plurality of conductive plates distributed in a ring shape, the lower end of the shell top cover is provided with a power module, and the power module is in electrical connection with the conductive plates.

[0011] Preferably, the lower end of the rear end of the shell is provided with a primary filter, and the upper end of the front end of the shell is provided with an air outlet, and the air outlet is connected with one end of the exhaust pipe.

[0012] Preferably, the upper end of one side of the shell is provided with a control panel.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a negative ion generator is equipped with, and the power module is handled after the input alternating current through EMI processing circuit and thunderbolt protection circuit, and is raised as alternating voltage through pulse circuit, overvoltage current -limiting, high -low voltage isolation etc. line, obtains pure direct current negative high voltage after rectification filtering, connects direct current negative high voltage to the release tip of conductive plate, utilizes the tip direct current high voltage to produce high corona, and a large amount of electron is released at high speed, and electron is captured by oxygen molecule in air immediately, thereby generating air negative ion, these negative ions have very strong activity, can actively capture and neutralize the dust, bacteria, virus and other harmful substances in air, thereby effectively purifying the air in the cabin of the ship, and provide a more fresh, healthy living environment for the crew.

[0015] 2. The utility model discloses a HEPA filter is equipped with, and the inside HEPA filter is equipped with the HEPA filter cartridge that is coiled by HEPA filter core, and air enters from the side of HEPA filter, and HEPA filter keeps negative pressure when negative pressure fan opens, and air can gradually permeate HEPA filter cartridge, and salt fog particle in air is forced to pass through the tiny aperture of HEPA filter core, due to the high -efficient filtering characteristic of HEPA filter core, even if tiny salt fog particle can be effectively intercepted and left on the outer wall of filter core, thereby preventing them from re -entering the air, so that the ship -used air purification device can be significantly better than conventional air purification mechanism when facing salt fog environment, and the fresh and clean air in the cabin of the ship is ensured.

[0016] 3. The utility model discloses a backflush mechanism is equipped with, with the constant increase of the particulate matter in HEPA filter inside, air flow rate can gradually drop, and air flow sensor can monitor air flow rate in real time, and after being lower than setting value, start pulse blowing mechanism, and pulse valve opens quickly after receiving instruction, and high -pressure air is jetted to HEPA filter through pulse blowing pipe, forms pulse airflow, and pulse airflow transfers from HEPA filter cartridge center to outside, and particulate matter that surface blocks is thrown down again, and is accumulated at filter bottom, and staff can clean particulate matter by opening bottom cover regularly, not only effectively solve the blockage problem of HEPA filter, improve air purification efficiency, but also simplify maintenance work, reduce maintenance cost, prolong equipment service life. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the appearance perspective drawing of the utility model;

[0018] Figure 2 It is the whole internal structure perspective drawing of the utility model;

[0019] Figure 3 It is the whole internal structure schematic view of the utility model;

[0020] Figure 4The utility model discloses a negative ion generator internal structure schematic view.

[0021] In the drawing: 1, shell, 2, control panel, 3, primary filter, 4, HEPA filter, 5, connecting pipe, 6, bottom cover, 7, pulse purging pipe, 8, gas conveying pipe, 9, pulse valve, 10, activated carbon filter, 11, exhaust pipe, 12, negative pressure fan, 13, negative ion generator, 14, air outlet, 15, conductive plate, 16, power module, 17, HEPA filter cartridge, 18, air compressor, 19, gas tank, 20, gas flow sensor. DETAILED DESCRIPTION

[0022] The technical scheme 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.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a marine air purification device with negative ion generator, including shell 1, three HEPA filters 4 are arranged at the middle position in the shell 1, connecting pipe 5 is arranged between adjacent HEPA filters 4, the air inlet end of connecting pipe 5 is connected with the upper end of HEPA filter 4, and the air outlet end of connecting pipe 5 is connected with one side of HEPA filter 4, the upper end in the shell 1 is provided with activated carbon filter 10, and the air inlet end of activated carbon filter 10 is connected with the upper end of front HEPA filter 4, the air outlet end of activated carbon filter 10 is provided with exhaust pipe 11, negative pressure fan 12 is installed at the rear end outside exhaust pipe 11, the primary filter 3 is arranged below the rear end of shell 1, the air outlet 14 is arranged above the front end of shell 1, and the air outlet 14 is connected with one end of exhaust pipe 11, and the control panel 2 is arranged above one side of shell 1.

[0024] The HEPA filter 4, activated carbon filter 10, negative pressure fan 12 and primary filter 3 multiple purification components are integrated, and efficient air purification process is realized. Three HEPA filters 4 are connected in series, cooperate with connecting pipe 5 to form air flow path, effectively remove the particulate matter in the air, activated carbon filter 10 further adsorbs harmful gas and peculiar smell, improves air quality, negative pressure fan 12 enhances air flow, ensures purification efficiency, and primary filter 3 is used as a pretreatment link, reduces the subsequent filtration burden.

[0025] Please refer to Figure 2 . Figure 3 And Figure 4The front end of the exhaust pipe 11 is externally mounted with a negative ion generator 13, the inside of the negative ion generator 13 is provided with a plurality of annularly distributed conductive plates 15, the lower end of the top cover of the shell 1 is mounted with a power module 16, and the power module 16 is electrically connected with the conductive plates 15;

[0026] The power module 16 processes the input alternating current through an EMI processing circuit and a lightning protection circuit, and then raises the alternating current to alternating high voltage through a pulse circuit, overvoltage current limiting, high-low voltage isolation and other circuits. After rectification and filtering, pure DC negative high voltage is obtained. The DC negative high voltage is connected to the release tip of the conductive plate 15. High corona is generated by the tip DC high voltage, and a large number of electrons are discharged at high speed. The electrons are immediately captured by oxygen molecules in the air, thereby generating air negative ions. These negative ions have strong activity and can actively capture and neutralize harmful substances such as dust, bacteria and viruses in the air, thereby effectively purifying the air in the cabin of the ship.

[0027] Please refer to Figure 2 and Figure 3 , the inside of the HEPA filter 4 is provided with a HEPA filter cartridge 17, the HEPA filter cartridge 17 is slidably connected with the HEPA filter 4, and the center hole of the HEPA filter cartridge 17 is connected with the air outlet end of the HEPA filter 4. The bottom of the HEPA filter 4 is mounted with a bottom cover 6, the bottom cover 6 is fixed with the HEPA filter 4 by screws, and the upper end surface of the bottom cover 6 is tightly attached to the bottom of the HEPA filter cartridge 17.

[0028] Air enters from the side of the HEPA filter 4. When the negative pressure fan is turned on, the HEPA filter 4 maintains negative pressure, and air can gradually penetrate the HEPA filter cartridge 17. Salt mist particles in the air are forced to pass through the tiny pores of the HEPA filter cartridge. Due to the high filtration characteristics of the HEPA filter cartridge, even tiny salt mist particles can be effectively intercepted and left on the outer wall of the filter cartridge, thereby preventing them from re-entering the air.

[0029] Please refer to Figure 2 and Figure 3 , the air flow sensor 20 is mounted on the air outlet pipe of the front HEPA filter 4, the pulse purge pipe 7 is arranged above the HEPA filter 4, and the lower branch pipe of the pulse purge pipe 7 extends into the air outlet end of the HEPA filter 4. The pulse valve 9 is mounted on the outside of the lower branch pipe of the pulse purge pipe 7. The air compressor 18 is arranged on one side of the lower end of the shell 1, the air tank 19 is arranged at the rear end of the air compressor 18, and the air tank 19 is connected with the pulse purge pipe 7 through the air conveying pipe 8.

[0030] The air flow sensor 20 can monitor the air flow rate in real time, and when the air flow rate is lower than a set value, the pulse blowing mechanism is started, the pulse valve 9 is quickly opened after receiving the instruction, the high-pressure air is sprayed onto the HEPA filter 4 through the pulse blowing pipe 7, a pulse air flow is formed, the pulse air flow is transmitted from the center of the HEPA filter 17 to the outside, the surface blocked particulate matters are blown down, and the particulate matters are accumulated at the bottom of the filter, and the staff can clean the particulate matters by periodically opening the bottom cover.

[0031] Please refer to Figure 3 The inside of the activated carbon filter 10 is provided with a plurality of activated carbon plates distributed at equal intervals, so that the adsorption area is effectively increased, the adsorption efficiency of harmful gases and peculiar smell is improved, and it is ensured that the air purification device can more thoroughly purify the air in the cabin, so as to provide a more fresh and healthy breathing environment for the crew.

[0032] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the involved claims.

Claims

1. A marine air purification device with a negative ion generator, comprising a housing (1), characterized in that: Three HEPA filters (4) are provided in the middle of the interior of the outer shell (1). A connecting pipe (5) is provided between adjacent HEPA filters (4). The air inlet of the connecting pipe (5) is connected to the upper end of the HEPA filter (4), and the air outlet of the connecting pipe (5) is connected to one side of the HEPA filter (4). An activated carbon filter (10) is provided at the upper end of the interior of the outer shell (1), and the air inlet of the activated carbon filter (10) is connected to the upper end of the front HEPA filter (4). An exhaust pipe (11) is provided at the air outlet of the activated carbon filter (10). A negative pressure fan (12) is installed at the rear end of the exhaust pipe (11), and a negative ion generator (13) is installed at the front end of the exhaust pipe (11).

2. A marine air purification device with a negative ion generator according to claim 1, characterized in that: The HEPA filter (4) is provided with a HEPA filter cartridge (17) inside. The HEPA filter cartridge (17) is slidably connected to the HEPA filter (4), and the center hole of the HEPA filter cartridge (17) is connected to the air outlet of the HEPA filter (4). A bottom cover (6) is installed at the bottom of the HEPA filter (4). The bottom cover (6) is fixed to the HEPA filter (4) by screws, and the upper end face of the bottom cover (6) is tightly fitted to the bottom of the HEPA filter cartridge (17).

3. A marine air purification device with a negative ion generator according to claim 2, characterized in that: An air flow sensor (20) is installed on the air outlet pipe of the HEPA filter (4) mentioned above. A pulse purge pipe (7) is provided above the HEPA filter (4), and the lower branch of the pulse purge pipe (7) extends to the air outlet of the HEPA filter (4). A pulse valve (9) is installed on the outside of the lower branch of the pulse purge pipe (7). An air compressor (18) is provided on one side of the lower end of the housing (1). An air tank (19) is provided at the rear end of the air compressor (18), and the air tank (19) is connected to the pulse purge pipe (7) through an air supply pipe (8).

4. A marine air purification device with a negative ion generator according to claim 1, characterized in that: The activated carbon filter (10) has multiple equidistantly distributed activated carbon plates inside.

5. A marine air purification device with a negative ion generator according to claim 1, characterized in that: The negative ion generator (13) has multiple annularly distributed conductive plates (15) inside. A power module (16) is installed at the lower end of the top cover of the outer shell (1), and the power module (16) is electrically connected to the conductive plates (15).

6. A marine air purification device with a negative ion generator according to claim 1, characterized in that: A primary filter (3) is provided below the rear end of the housing (1), and an air outlet (14) is provided above the front end of the housing (1), and the air outlet (14) is connected to one end of the exhaust pipe (11).

7. A marine air purification device with a negative ion generator according to claim 1, characterized in that: A control panel (2) is provided on the upper side of one side of the outer casing (1).

Citation Information

Patent Citations

  • Air purification device

    CN220892337U