CN211011711U

CN211011711U - Electrostatic air treatment purifier

Info

Publication number: CN211011711U
Application number: CN201922138342.0U
Authority: CN
Inventors: 徐东波
Original assignee: Xuzhou Shen Heng Environmental Science And Technology Co ltd
Current assignee: Xuzhou Shen Heng Environmental Science And Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-14
Anticipated expiration: 2029-12-03

Abstract

An electrostatic air treatment and purification device comprises an air inlet, a front filter screen, an electrostatic dust removal device, an ultraviolet germicidal lamp, a fan, an air outlet and a machine shell; the machine shell is of a box-type structure and is divided into an upper layer and a lower layer in the vertical direction, and the lower layer is sequentially provided with a front filter screen, an electrostatic dust collection device, an ultraviolet germicidal lamp and a fan from front to back in the horizontal direction; the air inlet is arranged on the side panel of the lower layer and positioned in front of the front filter screen, and the air inlet is arranged in parallel with the front filter screen; the air outlet is arranged on the other side panel of the lower layer and is positioned behind the fan; the electrostatic dust collection device comprises a high-voltage generator and a dust collection device, wherein the high-voltage generator and the dust collection device are connected, and the high-voltage generator is arranged on one side of the dust collection device. Electrostatic air treatment purifier, simple structure, with low costs, operating efficiency is high, the controllability is nimble, the operation is stable, purifying effect is good, long service life, application prospect is extensive.

Description

Electrostatic air treatment purifier

Technical Field

The utility model relates to an air treatment purifier technical field, concretely relates to electrostatic air treatment purifier.

Background

In the 21 st century, along with rapid development of economy and rise of industrialization level, people have happy lives, human living environments are seriously damaged, global environmental conditions are continuously worsened, and air pollutants gradually become one of the topics which are increasingly concerned by people. Air pollution has expanded from individual countries or places to the global extent in the past 50 years with the development of global industrialization, and the kinds of pollution are becoming diversified, no longer just the conventional gaseous pollutants such as SO 2. The pollutants in the indoor air related to our daily life are more diverse and complicated, and the pollutants commonly seen at present comprise formaldehyde, benzene, organic volatile compounds (VOC), fine particulate matters and the like. In order to improve the life quality of the user, the air purification device is a common and effective means for improving the indoor air quality, and the purpose of improving the indoor air quality can be effectively achieved by using the air purification device in a room which cannot control a pollution source and cannot be sufficiently ventilated and ventilated.

An electrostatic air cleaning device is one of the types of air cleaning devices. The electrostatic air purification device mostly adopts the anode discharge mode, has excellent removal effect on particulate pollution, and also has certain removal effect (killing bacteria) on bacteria. In order to further improve the purifying effect of the electrostatic air purifying device, it is necessary to improve the problems of ozone generation, noise generation and efficiency during the operation of the electrostatic air purifying device.

Chinese patent application No. CN201621214261.4 discloses an electrostatic air purification device and air purifier, including dust collecting unit, fan, power supply, and discharge electrode, charge electrode and collection dirt electrode that set gradually along the direction that the air flows, the power supply is provided with first electrode and second electrode that polarity is opposite, the discharge electrode is connected with first electrode electricity, charge electrode is connected with collection dirt electrode and second electrode electricity to improve the dust collection effect, do not improve the ozone problem, noise problem and efficiency problem that produce in the electrostatic air purification device operation process.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the above insufficiency, the utility model aims at providing an electrostatic air treatment purifier, simple structure, with low costs, operating efficiency is high, the controllability is nimble, the operation is stable, purifying effect is good, long service life, and application prospect is extensive.

The technical scheme is as follows: an electrostatic air treatment and purification device comprises an air inlet, a front filter screen, an electrostatic dust removal device, an ultraviolet germicidal lamp, a fan, an air outlet and a machine shell; the machine shell is of a box-type structure and is divided into an upper layer and a lower layer in the vertical direction, and the lower layer is sequentially provided with a front filter screen, an electrostatic dust collection device, an ultraviolet germicidal lamp and a fan from front to back in the horizontal direction; the air inlet is arranged on the side panel of the lower layer and positioned in front of the front filter screen, and the air inlet is arranged in parallel with the front filter screen; the air outlet is arranged on the other side panel of the lower layer and is positioned behind the fan; the electrostatic dust collection device comprises a high-voltage generator and a dust collection device, wherein the high-voltage generator and the dust collection device are connected, and the high-voltage generator is arranged on one side of the dust collection device.

Electrostatic air treatment purifier, overall structure adopt the box structure, the casing vertical direction divide into about two-layer, the less device that is used for installing control module in upper space, lower floor's horizontal direction is by preceding leading filter screen, electrostatic precipitator device, sterilamp, fan of installing in proper order after to. The working process is as follows: the air with serious pollution enters the shell from an air inlet on a lower side panel of the shell under the power of the fan, firstly passes through the preposed filter screen, can filter fiber and larger particle pollutants, passes through the air after the primary filtration of the preposed filter screen and then passes through the electrostatic dust removal device to ionize the air, dust particles can be charged in the process, the charged dust particles can be adsorbed, finally, bacteria in the air are killed through the irradiation of the ultraviolet lamp, and the air sent out by the fan is clean and fresh air.

Furthermore, in the electrostatic air treatment and purification device, the preposed filter screen is a HEPA/active carbon composite filter screen.

The front filter screen adopts an HEPA/active carbon composite filter screen, and the HEPA can filter out particulate matters and pathogenic bacteria with the diameter larger than 0.3 micron, such as smoke, pollen, dust particles, mould fungi and the like; the active carbon can have good removal effect on harmful substances such as benzene, formaldehyde, ammonia gas and the like.

Further, in the electrostatic air treatment and purification device, the high voltage generator comprises a switching power supply, a high voltage control circuit, a DC-AC circuit and a voltage doubling rectifying circuit, and the switching power supply, the high voltage control circuit, the DC-AC circuit, the voltage doubling rectifying circuit and the dust collecting device are sequentially connected.

The high-voltage generator is a core component for realizing electrostatic dust collection, a switching power supply converts 180-260V input voltage into 36V direct-current voltage, then a high-voltage control circuit is adopted to realize voltage adjustability, the adjustable voltage is input into a DC-AC circuit, the low voltage is converted into high-frequency high-voltage alternating current by the circuit, and finally, the final direct-current high voltage is obtained through six-time voltage rectification, so that the voltage which can be adjusted according to temperature and humidity is realized, and the operation is more stable and reliable.

Further, in the above electrostatic air treatment and purification device, the high voltage control circuit is composed of L M2596 voltage reduction chip combined with X9241 digital potentiometer.

Because the air breakdown voltage is influenced by temperature and humidity, in order to ensure normal operation, the high-voltage generator is required to be capable of realizing the voltage regulation function based on temperature and humidity change by combining an L M2596 voltage reduction chip with an X9241 digital potentiometer to form a high-voltage control circuit, so that the electrostatic dust collector can stably operate under the condition of increasing the voltage, the electric field voltage is increased, the corona current cannot be weakened, the electric field intensity is increased, and the dust collection condition is obviously improved.

Further, in the above electrostatic air treatment and purification device, the DC-AC circuit is a self-excited push-pull DC-AC circuit.

Furthermore, in the electrostatic air treatment and purification device, the dust collecting device is composed of a high-pressure ionization region and a dust collecting region, and the high-pressure ionization region and the dust collecting region are sequentially installed from front to back in the horizontal direction.

The dust collecting device adopts a double-zone type, and particles in a high-pressure ionization zone are trapped in the dust collecting zone.

Furthermore, in the electrostatic air treatment and purification device, the high-voltage ionization region is composed of the wire electrode and parallel plates (the parallel plates are vertically arranged with the front filter screen (2), the wire electrode is clamped between the two parallel plates, the parallel plates are grounded, and the wire electrode is connected with the high-voltage generator.

The high voltage ionization region consists of electrode wires and parallel plates, one electrode wire is sandwiched between two parallel plates, the electrode wires are connected with high voltage DC of a high voltage generator to generate an uneven electric field in the region, free electrons through the electric field obtain energy and collide with gas molecules to generate ionization, corona is generated around the electrode wires or at the place where the electric field is uneven along the edge of the electrode plates, after air ionization, the high voltage ionization region gathers many charged particles (positive ions and electrons), the electrons are attracted by the electrode wires and neutralized, under the action of the electric field force, the charged ions move towards the electrode plates and are combined with neutral particles in the movement process to charge the particles, except the movement under the action of the electric field, thermal movement also exists, and the charged particles are also attached to the particles to charge the particles in the movement process.

Furthermore, in the electrostatic air treatment and purification device, the dust collection area is composed of a plurality of dust collection plates, and the dust collection plates and the parallel plates are arranged in parallel; the dust collecting plate is connected with the high-voltage generator and the ground end in a cross mode.

The dust collecting plate is connected with the high-voltage end and the ground end of the high-voltage generator in a cross mode to form a uniform electrostatic field, and when charged dust passes through the electrostatic field, the charged dust is subjected to the action of electrostatic force and is deposited on the dust collecting plate with the opposite polarity to the self-charged dust.

Further, in the electrostatic air treatment and purification device, the fan is a centrifugal fan.

The utility model has the advantages that: the electrostatic air treatment and purification device has simple structure, low cost, high operating efficiency and flexible controllability, the preposed filter screen adopts an HEPA/active carbon composite filter screen, and the HEPA can filter out particulate matters and germs with the diameter larger than 0.3 micron, such as smog, pollen, dust particles, mould fungi and the like; the activated carbon can have good removal effect on harmful substances such as benzene, formaldehyde, ammonia gas and the like; the high-voltage generator can run more stably and reliably based on temperature and humidity changes; the dust collecting device adopts a double-zone type, has better purifying and dedusting effects, is convenient to disassemble and maintain, has long service life and wide application prospect.

Drawings

Fig. 1 is a schematic view of an external structure of an electrostatic air treatment and purification device according to the present invention;

FIG. 2 is a schematic view of the internal connection of the electrostatic air treatment and purification device of the present invention;

FIG. 3 is a schematic diagram of the connection of the high voltage generator of the electrostatic air treatment and purification device of the present invention;

in the figure: the device comprises an air inlet 1, a front filter screen 2, an electrostatic dust collection device 3, a high-voltage generator 31, a switching power supply 311, a high-voltage control circuit 312, a DC-AC circuit 313, a voltage-doubling rectifying circuit 314, a dust collection device 32, a high-voltage ionization region 321, an electrode wire 3211, a parallel plate 3212, a dust collection region 322, a dust collection plate 3221, an ultraviolet germicidal lamp 4, a fan 5, an air outlet 6, a machine shell 7, an upper layer 71, a lower layer 72 and a side panel 721.

Detailed Description

The present invention will be further elucidated with reference to the accompanying drawings 1 to 3 and the embodiments.

The electrostatic air treatment and purification device with the structure shown in fig. 1 and 2 comprises an air inlet 1, a front filter screen 2, an electrostatic dust removal device 3, an ultraviolet germicidal lamp 4, a fan 5, an air outlet 6 and a machine shell 7; the machine shell 7 is of a box-shaped structure and is divided into an upper layer 71 and a lower layer 72 in the vertical direction, and the lower layer 72 is provided with a front filter screen 2, an electrostatic dust collection device 3, an ultraviolet germicidal lamp 4 and a fan 5 in sequence from front to back in the horizontal direction; the air inlet 1 is arranged on the side panel 721 of the lower layer 72 and positioned in front of the front filter screen 2, and the air inlet 1 is arranged in parallel with the front filter screen 2; the air outlet 6 is arranged on the other side panel 721 of the lower layer 72 and is positioned behind the fan 5; the electrostatic dust removing device 3 comprises a high voltage generator 31 and a dust collecting device 32, wherein the high voltage generator 31 and the dust collecting device 32 are connected, and the high voltage generator 31 is arranged on one side of the dust collecting device 32.

In addition, the preposed filter screen 2 is a HEPA/active carbon composite filter screen.

As shown in fig. 3, the high voltage generator 31 includes a switching power supply 311, a high voltage control circuit 312, a DC-AC circuit 313, and a voltage doubler rectifier circuit 314, and the switching power supply 311, the high voltage control circuit 312, the DC-AC circuit 313, the voltage doubler rectifier circuit 314, and the dust collector 32 are connected in this order.

Further, the high voltage control circuit 312 is composed of an L M2596 buck chip combined with an X9241 digital potentiometer.

Further, the DC-AC circuit 313 is a self-excited push-pull DC-AC circuit.

Further, the dust collecting device 32 is composed of a high pressure ionization region 321 and a dust collecting region 322, and the high pressure ionization region 321 and the dust collecting region 322 are sequentially installed from front to back in the horizontal direction.

Further, the high voltage ionization region 321 is composed of wire electrodes 3211 and parallel plates 3212, the parallel plates 3212 are disposed perpendicular to the front filter screen 2, a wire electrode 3211 is sandwiched between the two parallel plates 3212, the parallel plates 3212 are grounded, and the wire electrode 3211 is connected to the high voltage generator 31.

Further, the dust collecting area 322 is composed of a plurality of dust collecting plates 3221, and the dust collecting plates 3221 are arranged in parallel with the parallel plate 3212; the dust collecting plate 3221 is connected to the high voltage generator 31 and the ground terminal in a crossing manner.

Further, the fan 5 is a centrifugal fan.

Examples

Based on the above structural basis, as shown in fig. 1 and 3.

Electrostatic air treatment purifier, overall structure adopt the box structure, 7 vertical directions of casing divide into about two-layer, the less device that is used for installing control module in upper 71 spaces, lower floor's 72 horizontal direction is by preceding leading filter screen 2, electrostatic precipitator device 3, sterilamp 4, fan 5 of installing in proper order after to.

The working process is as follows: air that pollutes seriously is under fan 5's power, from 1 lower floor of casing 12 air inlet 2 on the side board 121 get into inside the casing 1, at first through leading filter screen 2, can filter fibre and great granule pollutant, air after leading filter screen 2 filters for the first time, pass through electrostatic precipitator 3 again, make air ionization, dust particle can be electric charge at this in-process, electrified dust particle can be adsorbed, last through the shining of ultraviolet germicidal lamp 4, bacterium in the air is killed, the wind that the fan sent out is clean, fresh air promptly.

The front filter screen 2 is an HEPA/active carbon composite filter screen, and the HEPA can filter out particulate matters and germs with the diameter larger than 0.3 micrometer, such as smoke, pollen, dust particles, mould fungi and the like; the active carbon can have good removal effect on harmful substances such as benzene, formaldehyde, ammonia gas and the like.

In addition, the high voltage generator 31 is a core component for realizing the electrostatic dust collection device 3, the switching power supply 311 converts 180-260V input voltage into 36V direct current voltage, then the high voltage control circuit 312 is adopted for realizing voltage adjustment, the adjustable voltage is input into the self-excitation push-pull type DC-AC circuit 313, the low voltage is converted into high-frequency high-voltage alternating current by the circuit, and finally, the final direct current high voltage is obtained through six-time voltage rectification of the voltage-doubling rectification circuit 314, so that the voltage which can be adjusted according to temperature and humidity is realized, and the operation is more stable and reliable.

Further, the high voltage control circuit 312 is formed by combining an L M2596 voltage reduction chip with an X9241 digital potentiometer, since the air breakdown voltage is affected by temperature and humidity, in order to ensure normal operation, the high voltage generator 31 needs to be changed based on temperature and humidity, and the high voltage control circuit can realize the voltage regulation function by combining the L M2596 voltage reduction chip with the X9241 digital potentiometer, so that the electrostatic dust collector can stably operate under the condition of increasing the voltage, the electric field voltage is increased, not only the corona current cannot be weakened, but also the electric field intensity is increased, and the dust collection condition is obviously improved.

Further, the dust collector 32 is of a two-zone type, and the particles are charged in the high-pressure ionization zone 321 and trapped in the dust collection zone 322. The high voltage ionization region 321 is composed of electrode wires 3211 and parallel plates 3212, one electrode 3211 wire is sandwiched between two parallel plates 3212, the parallel plates 3212 are grounded, the electrode wires 3211 are connected with the high voltage direct current of the high voltage generator 31, an uneven electric field is generated in the region, free electrons passing through the electric field obtain energy and collide with gas molecules to generate ionization, corona is generated around the wire electrode 3211 or at the place where the electric field is not uniform along the plate edge of the parallel plate 3212, after air ionization, the high voltage ionization region gathers many charged particles positive ions and electrons, the electrons are attracted by the wire electrode and neutralized, under the action of the electric field force, the charged ions move towards the polar plate and are combined with neutral particles in the moving process to charge the particles, and besides the movement under the action of the electric field, thermal movement exists, and charged particles are attached to the particles in the process to charge the particles.

In addition, the dust collecting plate 3221 is connected to the high voltage end and the ground end of the high voltage generator 31 in a crossing manner to form a uniform electrostatic field, and when the charged dust passes through the electrostatic field, the charged dust is subjected to electrostatic force to deposit on the dust collecting plate 3221 with the opposite polarity to the self-charging polarity.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.

Claims

1. An electrostatic air treatment and purification device is characterized by comprising an air inlet (1), a front filter screen (2), an electrostatic dust removal device (3), an ultraviolet germicidal lamp (4), a fan (5), an air outlet (6) and a casing (7); the shell (7) is of a box-shaped structure and is divided into an upper layer (71) and a lower layer (72) in the vertical direction, and the lower layer (72) is sequentially provided with a front filter screen (2), an electrostatic dust collection device (3), an ultraviolet germicidal lamp (4) and a fan (5) from front to back in the horizontal direction; the air inlet (1) is arranged on the side panel (721) of the lower layer (72) and positioned in front of the front filter screen (2), and the air inlet (1) and the front filter screen (2) are arranged in parallel; the air outlet (6) is arranged on the other side panel (721) of the lower layer (72) and is positioned behind the fan (5); the electrostatic dust collection device (3) comprises a high-voltage generator (31) and a dust collection device (32), wherein the high-voltage generator (31) and the dust collection device (32) are connected, and the high-voltage generator (31) is installed on one side of the dust collection device (32).

2. The electrostatic air treatment purification device according to claim 1, wherein the pre-filter (2) is a HEPA/activated carbon composite filter.

3. The electrostatic air treatment and purification device according to claim 1, wherein the high voltage generator (31) comprises a switching power supply (311), a high voltage control circuit (312), a DC-AC circuit (313), and a voltage doubling rectifying circuit (314), and the switching power supply (311), the high voltage control circuit (312), the DC-AC circuit (313), the voltage doubling rectifying circuit (314), and the dust collecting device (32) are connected in sequence.

4. The electrostatic air treatment and purification device of claim 3, wherein the high voltage control circuit (312) is comprised of an L M2596 buck chip in combination with an X9241 digital potentiometer.

5. The electrostatic air treatment purification apparatus according to claim 3, wherein the DC-AC circuit (313) is a self-excited push-pull DC-AC circuit.

6. The electrostatic air processing and purifying device as claimed in claim 1, wherein the dust collecting device (32) comprises a high voltage ionization region (321) and a dust collecting region (322), and the high voltage ionization region (321) and the dust collecting region (322) are installed in sequence from front to back in the horizontal direction.

7. The electrostatic air treatment and purification device according to claim 6, wherein the high voltage ionization region (321) is composed of an electrode wire (3211) and parallel plates (3212), the parallel plates (3212) are disposed perpendicular to the front filter screen (2), one electrode wire (3211) is sandwiched between the two parallel plates (3212), the parallel plates (3212) are grounded, and the electrode wire (3211) is connected to the high voltage generator (31).

8. The electrostatic air treatment and purification device according to claim 7, wherein the dust collection area (322) is composed of a plurality of dust collection plates (3221), the dust collection plates (3221) are disposed in parallel with the parallel plates (3212); the dust collecting plate (3221) is connected with the high voltage generator (31) and the ground end in a cross mode.

9. The electrostatic air treatment and purification device according to claim 1, wherein the fan (5) is a centrifugal fan.