CN210568909U

CN210568909U - Air purification assembly

Info

Publication number: CN210568909U
Application number: CN201920483679.2U
Authority: CN
Inventors: 俞辉; 严东旭; 赵扬; 徐维跃
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-05-19
Anticipated expiration: 2029-04-11

Abstract

The utility model relates to an air purification subassembly, including anion generating device (1) and filter equipment (3), its characterized in that: the device is characterized by further comprising a heating device (4), wherein the heating device (4) is arranged at the downstream of the filtering device (3) and has a gap with the filtering device (3); anion generating device (1) sets up the upper reaches of filter equipment (3), anion generating device (1) with still be equipped with gate electrode (2) between filter equipment (3), gate electrode (2) ground connection, filter equipment (3) electric connection power is anodal, anion generating device (1) electricity is connected the power negative pole. The utility model discloses when utilizing filter equipment's electric conductivity reinforcing filter effect, when the electret function starts, this electric conductivity is used as the earthing pole that links to each other with ground, has realized the unity of filtration and electret function on the basis that does not increase the device.

Description

Air purification assembly

Technical Field

The utility model relates to an air purification subassembly.

Background

CN201710226400.8 discloses "a novel air purifier", including air intake, air inlet fan, intake stack, anion generator, purification absorption reactor, low temperature plasma generator, air-out pipeline, intelligent air quality detector and air outlet, the air inlet fan is used for inhaling the air intake, is provided with the filter screen on the air intake, impresses the air into the air purification room through the gas transmission pipeline, is provided with anion generator, purification absorption reactor, plasma generator, intelligent air quality detector etc. in the air purification room, the air after the purification directly communicates the air-out of air outlet. The invention is provided with a purification absorption reactor for efficiently removing dust such as PM2.5 and the like, formaldehyde and volatile organic compounds, a gas distributor, a water vapor distributor, dust such as PM2.5 and the like, formaldehyde and volatile organic compound absorption liquid are arranged in the reactor, a water baffle is arranged at the upper part of an absorber, and the absorption liquid in the purification absorption reactor can be replaced regularly.

The dust and formaldehyde and other toxic substances isolated by the patent application need to be absorbed by the absorption liquid, so that an absorption liquid container needs to be arranged, the size is large, and the maintenance of the purifier is inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem that the current situation to prior art provides an effectual and be convenient for maintenance air purification subassembly of formaldehyde decomposition.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an air purification subassembly, includes anion generating device and filter equipment, its characterized in that: the heating device is arranged at the downstream of the filtering device, and a gap is formed between the heating device and the filtering device;

the negative ion generating device is arranged at the upstream of the filtering device, a gate electrode is further arranged between the negative ion generating device and the filtering device, the gate electrode is grounded, the filtering device is electrically connected with the positive pole of a power supply, and the negative ion generating device is electrically connected with the negative pole of the power supply.

Preferably, the negative ion generating device comprises a negative ion generating frame, a high-voltage pack, a conductor and a negative ion probe; wherein:

the anion generating frame is of a frame structure and comprises a frame body, a plurality of transverse beams transversely arranged in the frame body and a plurality of longitudinal beams longitudinally arranged in the frame body; the cross beam and the longitudinal beam are arranged in a crossed manner, grooves are formed in the surfaces of the cross beam and the longitudinal beam, and a conductor for connecting the high-voltage pack and the negative ion probe is arranged in each groove;

the high-voltage package is a two-stage high-voltage package capable of providing two different voltages. Preferably 3kv and 10 kv.

Further, the negative ion probes are multiple, the cross beams are arranged in parallel, the longitudinal beams are arranged in parallel, and the negative ion probes are respectively arranged at the connecting positions of the cross beams and the longitudinal beams.

As a further improvement of the above aspects, the door electrode comprises a door body, a plurality of transverse rods transversely arranged in the door body, and a plurality of longitudinal rods longitudinally arranged in the door body; and each intersection point of the transverse rod and the longitudinal rod is positioned at the central position of a space separated by the transverse beam and the longitudinal beam which are adjacent in the corresponding negative ion generating frame.

The distance between the metal layer on the surface of the gate electrode and the negative ion probe is preferably 2-4 cm.

The filter device in each of the above aspects may include a filter frame and a filter screen installed in the filter frame.

Preferably the filter screen is electrically conductive composite filter screen, including HEPA filter screen base member and coating in the conducting layer on the HEPA filter screen base member.

Preferably, the conductive coating is black graphene conductive gel and is coated on the rear end face of the filter screen opposite to the heating device.

The heating device in each of the above embodiments is preferably an infrared heating device.

Further, the heating device comprises a mounting seat, a plurality of infrared heating pipes and a power supply; the infrared heating device comprises a mounting seat, a power supply, an infrared heating pipe and a power supply, wherein the mounting seat is provided with a plurality of mounting grooves at intervals, the infrared heating pipes are respectively mounted in the corresponding mounting grooves, the power supply is arranged on the mounting seat, and the infrared heating pipes are electrically connected with the power supply.

Compared with the prior art, the air purification assembly provided by the utility model enhances the filtering effect by utilizing the conductivity of the filtering device, and when the electret function is started, the conductivity is used as the grounding electrode connected with the ground, thereby realizing the unification of the filtering and electret functions on the basis of not increasing the device; when the ion detector works, the positive electricity is conducted to the gate electrode, a fan-shaped ion air curtain is formed between the gate electrode and the probe, and the combination effect of negative ions and microparticles in air is enhanced; under the electret state, the black layer characteristic of the composite conductive filter screen is utilized, and an infrared heating structure is arranged at the rear end of the filter screen device, so that the temperature of the filter screen is increased under the electret state, the electret effect is enhanced, and the filtering efficiency of the composite filter screen is recovered.

Drawings

Fig. 1 is a perspective view of an assembly structure according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of an exploded structure according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a heating device in an embodiment of the present invention;

fig. 4 is a schematic perspective view of an anion generating device according to an embodiment of the present invention;

fig. 5 is a longitudinal sectional view of fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the air cleaning assembly includes:

the negative ion generating device 1 is used for generating negative ions to charge particles such as smoke dust, germs, spores, pollen, dander and the like in the air; comprises an anion generating frame 11, a two-gear high-voltage package 12, a conductor 13 and an anion probe 14. Wherein:

the anion generating frame 11 is a frame structure, and comprises a frame body 111, a plurality of cross beams 112 transversely arranged in the frame body 111 and a plurality of longitudinal beams 113 longitudinally arranged in the frame body 111; all the cross beams are parallel to each other, and all the longitudinal beams are parallel to each other; the cross beam 112 and the longitudinal beam 113 are arranged crosswise, grooves 114 are formed in the surfaces of the cross beam and the longitudinal beam, and a conductive body 13, which is a conductive copper sheet in this embodiment, is arranged in each groove 114 and is used for connecting the high-voltage pack 12 and the negative ion probe 14.

The anion probes are multiple and are respectively arranged at the connecting positions of the cross beams and the longitudinal beams, the four cross beams and the four longitudinal beams are arranged in the embodiment, and sixteen anion probes 14 are uniformly arranged in the frame body.

And the high-voltage pack is arranged on the negative ion generating frame 11 and used for providing high voltage electricity for each negative ion probe, and the high-voltage pack can provide two gears of 3kv positive voltage and negative voltage and 10kv positive voltage and negative voltage.

The gate electrode 2 is positively charged and is matched with the negative ion generating device 1 to generate negative ion wind during working; the frame structure is staggered with the anion generating frame 11 and comprises a door body 21, four transverse rods 22 transversely arranged in the door body 21 and four longitudinal rods 23 longitudinally arranged in the door body 21; the cross points of the four cross rods and the four longitudinal rods are positioned at the center of a rectangular space formed by the cross beams and the longitudinal beams of the negative ion generating frame at intervals; the distance between the metal layer on the surface of the gate electrode and the negative ion probe 14 is 2-4 cm, so that the effect of ion wind is ensured, the contact time of air and an air curtain formed by the ion wind is longer, and negative ions are combined with microparticles in the air more fully. When the filtering function is started, the gate electrode is connected with positive voltage, and when the electret function is started, the gate electrode is disconnected.

The filtering device 3 is used for filtering particulate matters in the passing air flow and comprises a filtering frame 31 and a filtering screen 32 arranged in the filtering frame 31; the filter screen in this embodiment is electrically conductive composite filter screen, includes HEPA filter screen base member and the conducting layer of coating on HEPA filter screen base member.

The conductive coating in this embodiment is black graphene conductive gel, and is coated on the rear end face of the filter screen opposite to the heating device 4. When the filtration state starts, the black conducting layer switches on 3kv positive voltage, cooperates with the front-end negative ion generating device and the guide gate electrode, and improves the filtering efficiency of the filter screen to the particulate matter. When the electret state is started, the black conducting layer is grounded to provide a grounding electrode required by the electret process, and the negative ion probe is connected with 10kv negative voltage. The negative ion emission needle and the rear end infrared lamp tube heating device realize high-efficiency electret of the filter screen.

The filter frame in this embodiment is made of ABS plastic to ensure an insulating relationship with surrounding parts.

The heating device 4 is an infrared heating device, is arranged at the downstream of the filtering device 3, has a gap with the filtering device, and comprises a mounting seat 41, a plurality of infrared heating pipes 42 and a power supply 43; wherein, a plurality of mounting grooves 44 are arranged on the mounting seat 41 at intervals, each infrared heating pipe 42 is arranged in the corresponding mounting groove 44, the power supply 43 is arranged on the mounting seat 41, and each infrared heating pipe 42 is electrically connected with the power supply 43.

The working principle of the air purification assembly is described as follows:

under the working condition of filtration, the negative ion probe is connected with the high-voltage bag, negative 3kv high voltage is connected, the probe is ionized under high voltage to generate negative ions, meanwhile, 3kv positive electricity is connected to the gate electrode, ion wind is formed between the negative ion probe and the gate electrode, the negative ion head faces outwards through structural design, and meanwhile, a vertical distance of 3-4 cm exists between the gate electrode and the negative ion probe, so that the contact time of an air curtain formed by air and the ion wind is longer, and the combination of the negative ions and micro-particles in the air is more sufficient. Meanwhile, in the manufacturing process of the conductive composite filter screen, a layer of conductive material is sprayed on the supporting layer of the HEPA filter screen, so that the HEPA filter screen has conductivity without damaging the original filtering efficiency. The spraying surface of the conductive composite filter screen is placed outwards during installation, when the filtering function is started, the filter screen is charged with 3kv positive electricity, microparticles combined with negative ions are attracted by the filter screen charged with positive electricity, and the filtering efficiency is greatly improved due to the filtering function of the original filter screen. However, with the increase of the filtering time, the filtering efficiency of the device is gradually reduced until the filtering efficiency is failed, so that the device is specially designed with an electret recovery function, after the filter screen is failed, an electret mode is started, the negative ion probe is electrified with negative high voltage of 10kv, the door electrode is not electrified, and the conductive layer of the conductive composite filter screen is grounded, so that the electret function is realized. Simultaneously infrared tube heating device starts, and infrared heating pipe and the voltage package switch-on that sets up among the infrared tube heating device carry out radiant heating to electrically conductive composite filter screen, and the coating of electrically conductive composite filter screen back has black conducting material simultaneously, and the thermal collection of being convenient for improves the electret effect of filter screen, and the experiment proves that the comparison of heating back electret effect does not have the heating state electret, and efficiency promotes and increases 10 ~ 20%, resumes the filtration efficiency of filter screen, has effectively prolonged the filter screen life-span.

Claims

1. An air purification assembly, comprising a negative ion generating device (1) and a filtering device (3), characterized in that: the device is characterized by further comprising a heating device (4), wherein the heating device (4) is arranged at the downstream of the filtering device (3) and has a gap with the filtering device (3);

anion generating device (1) sets up the upper reaches of filter equipment (3), anion generating device (1) with still be equipped with gate electrode (2) between filter equipment (3), gate electrode (2) ground connection, filter equipment (3) electric connection power positive pole, anion generating device (1) electric connection power negative pole.

2. The air cleaning assembly according to claim 1, wherein the negative ion generating device (1) comprises a negative ion generating frame (11), a high voltage pack (12), an electric conductor (13) and a negative ion probe (14); wherein:

the anion generating frame (11) is of a frame structure and comprises a frame body (111), a plurality of transverse beams (112) arranged in the frame body (111) in a transverse mode and a plurality of longitudinal beams (113) arranged in the frame body (111) in a longitudinal mode; the cross beam (112) and the longitudinal beam (113) are arranged in a crossed mode, grooves (114) are formed in the surfaces of the cross beam and the longitudinal beam, and a conductor (13) used for connecting the high-voltage pack (12) and the negative ion probe (14) is arranged in each groove (114);

the high-voltage package (12) is a two-stage high-voltage package capable of providing two different voltages.

3. The air cleaning assembly according to claim 2, wherein the negative ion probe (14) is provided in plurality, the cross members (112) are arranged in parallel with each other, the longitudinal members (113) are arranged in parallel with each other, and the negative ion probe (14) is arranged at a connecting position of each of the cross members (112) and each of the longitudinal members (113), respectively.

4. The air purification assembly according to claim 3, wherein the door electrode (2) comprises a door body (21), a plurality of cross bars (22) transversely arranged in the door body (21), and a plurality of longitudinal bars (23) longitudinally arranged in the door body (21); and each intersection point of the transverse rod and the longitudinal rod is positioned at the central position of a space formed by the adjacent transverse beam and the longitudinal beam in the corresponding negative ion generating frame.

5. The air purification assembly according to claim 4, wherein the distance between the metal layer on the surface of the gate electrode and the negative ion probe (14) is 2-4 cm.

6. Air cleaning assembly according to any of claims 1-5, characterized in that the filter device (3) comprises a filter frame (31) and a filter screen (32) mounted in the filter frame (31).

7. The air purification assembly according to claim 6, wherein the screen (32) is an electrically conductive composite screen comprising a HEPA screen matrix and an electrically conductive layer coated on the HEPA screen matrix.

8. The air purification assembly according to claim 7, wherein the conductive layer is black graphene conductive gel coated on a rear end surface of the filter screen opposite to the heating device (4).

9. Air cleaning assembly according to claim 8, characterized in that the heating device (4) is an infrared heating device.

10. Air cleaning assembly according to claim 9, characterized in that the heating device (4) comprises a mounting seat (41), a plurality of infrared heating pipes (42) and a power supply (43); the mounting seat (41) is provided with a plurality of mounting grooves (44) at intervals, the infrared heating pipes (42) are respectively mounted in the corresponding mounting grooves (44), the power supply (43) is arranged on the mounting seat (41), and the infrared heating pipes (42) are electrically connected with the power supply (43).