CN107490069A - Electrostatic precipitator and air conditioner - Google Patents

Abstract

The invention discloses an electrostatic dust removal device and an air conditioner, wherein the electrostatic dust removal device includes a plurality of dust removal units, and the dust removal units include: ionization electrodes and repelling electrodes arranged in sequence along the air inlet direction; The same side of the ionizing electrode and the repelling electrode; the ionizing electrode and the repelling electrode are integrally formed; the collector is provided with a voltage opposite in polarity to the repelling electrode voltage. The electrostatic precipitator of the present invention effectively simplifies the structure and reduces the thickness of the whole at the same time, thereby facilitating the miniaturization of products.

Description

Electrostatic precipitator and air conditioner

technical field

The invention relates to the technical field of air purification, in particular to an electrostatic precipitator and an air conditioner.

Background technique

In recent years, due to the air pollution problem, especially the increasingly serious smog phenomenon, electrical appliances with purification and dust removal functions have become more and more popular among consumers in the home appliance market. There are generally two existing dust removal methods, one is filter filtration, and the other is electrostatic dust removal; among them, air conditioners with electrostatic dust removal devices are widely used for their advantages of no consumables and low wind resistance.

Traditional electrostatic precipitators are generally multi-level settings, including ionization components and dust collection components arranged at intervals before and after; among them, the ionization components include ionization electrodes and excitation electrodes, and the plasma field generated by the ionization electrodes and excitation electrodes pollutes the particles in the air. The dust collection component includes a repelling pole and a collecting pole, and a bias electrostatic field is generated between the repelling pole and the collecting pole. The charged particle pollutants are adsorbed on the collecting pole under the action of the bias electrostatic field to separate from the airflow. The ionization component and the dust collection component of the existing electrostatic precipitator are independently arranged at intervals, and the structure is complicated, which is not conducive to the miniaturization of the product, resulting in an increase in cost.

Contents of the invention

The main purpose of the present invention is to provide an electrostatic precipitator, which aims at simplifying the structure of the electrostatic precipitator to facilitate product miniaturization.

In order to achieve the above object, the electrostatic precipitator proposed by the present invention includes a plurality of dust removal units, and the dust removal units include:

Ionization electrodes and repelling electrodes arranged in sequence along the wind inlet direction;

collector, located on the same side of the ionization electrode and the repelling electrode;

The ionization electrode and the repeller are integrally formed; the collector is supplied with a voltage opposite to the repeller voltage.

Preferably, the repelling electrode is provided with a plurality of discharge tips protruding away from the air circulation direction, and the ionization electrode is composed of a plurality of the discharge tips.

Preferably, the discharge tip is arranged in a zigzag shape.

Preferably, the discharge tip is in a triangular sawtooth shape, and the apex angle of the discharge tip is in the range of 1°-30°.

Preferably, the distance between two adjacent discharge tips ranges from 1 mm to 5 mm.

Preferably, the vertical height of the discharge tip ranges from 2mm to 5mm.

Preferably, the repeller is provided with a power supply protrusion for connecting with a power source.

Preferably, a plurality of the dust removal units are arranged at intervals along the first direction.

Preferably, the electrostatic precipitator further includes an upper cover and a lower cover, the upper cover and the lower cover are detachably connected and enclosed to form a cavity; the upper cover has an air inlet communicating with the cavity The lower cover has an air outlet communicating with the cavity; the electrostatic precipitator also includes a support, the support is set in the cavity, and the dust removal unit is fixedly connected to the support.

The present invention also proposes an air conditioner, the air conditioner includes an air conditioner indoor unit and an electrostatic precipitator, the electrostatic precipitator is arranged at the air inlet of the air conditioner indoor unit; the electrostatic precipitator includes a plurality of dust removal units, the The dust removal unit includes:

Ionization electrodes and repelling electrodes arranged in sequence along the wind inlet direction;

collector, located on the same side of the ionization electrode and the repelling electrode;

The ionization electrode and the repeller are integrally formed; the collector is supplied with a voltage opposite to the repeller voltage.

The electrostatic precipitator of the present invention forms the ionizing electrode and the repelling electrode integrally, and shares a collecting electrode. In this way, a plasma field for charging particulate pollutants in the air is formed between the ionizing electrode and the collecting electrode, and a bias electrostatic field for collecting charged particulate pollutants is formed between the repelling electrode and the collecting electrode. In the existing electrostatic precipitator, the ionization component and the collection component are arranged separately, and a gap is formed between the two, resulting in a relatively large overall thickness of the electrostatic precipitator. In the electrostatic precipitator of the present invention, the ionization electrode is directly formed on the repelling electrode, which simplifies the manufacturing process, and the collecting electrode acts on the ionization electrode and the repelling electrode at the same time to form a plasma field and an electrostatic field, which effectively simplifies the structure of the electrostatic precipitator , and reduces the overall thickness of the electrostatic precipitator, which is conducive to the miniaturization of the electrostatic precipitator. At the same time, because the ionization electrode and the repelling electrode are integrally formed, when the repelling electrode is powered on, the ionizing electrode and the repelling electrode are simultaneously charged with the same voltage, so that only one set of circuits can be set to realize the simultaneous conduction of the ionizing electrode and the repelling electrode , thus effectively saving the cost of electronic control.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is the structural representation of an embodiment of the electrostatic precipitator of the present invention;

Fig. 2 is the schematic diagram of the decomposition structure of the electrostatic precipitator in Fig. 1;

Fig. 3 is a partially enlarged schematic diagram of place A in Fig. 2;

Fig. 4 is the structural representation of repeller and ionization pole in Fig. 1;

FIG. 5 is a partially enlarged schematic diagram of the location B in FIG. 4 .

Explanation of reference numbers:

label name label name 10 cover 410 ionization electrode 110 Inlet 411 discharge tip 20 lower lid 420 repeller 210 air outlet 421 power supply convex part 30 support 430 collector 40 Dust removal unit

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second" and so on in the embodiments of the present invention, the descriptions of "first", "second" and so on are only for descriptive purposes, and should not be interpreted as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

The invention mainly proposes an electrostatic precipitator, which is mainly used in air conditioners to improve air quality. The air conditioner refers to equipment that can adjust the temperature of the air, including wall-mounted split units, wall-mounted integrated units, floor-mounted split units, and floor-mounted integrated units. The air conditioner includes an indoor heat exchange side and an outdoor heat exchange side, and the indoor heat exchange side and the outdoor heat exchange side generally include a shell, an air intake assembly, a heat exchange assembly and an air supply assembly. Wherein, the casing has an air inlet, an air outlet, and a heat exchange air passage between the air inlet and the air outlet, the air inlet assembly is arranged at the air inlet, and the heat exchange assembly and the air supply assembly are arranged in the heat exchange air passage. The air-conditioning indoor unit also includes an air guide assembly, and the air guide assembly is arranged at the air outlet. The electrostatic precipitator of the present invention is mainly installed at the air inlet inside the air conditioner, and utilizes the principle of electrostatic precipitator to remove and collect particulate pollutants in the air entering the housing, so as to ensure the cleanliness of the air entering the air conditioner.

The specific structure of the air processing module will now be described in detail with reference to FIG. 1 and FIG. 2 .

In the embodiment of the present invention, the electrostatic precipitator includes a plurality of dedusting units 40 . Specifically, the electrostatic precipitator includes an upper cover 10 and a lower cover 20, the upper cover 10 and the lower cover 20 are detachably connected and enclosed to form a cavity; the upper cover 10 has a A connected air inlet 110; the lower cover 20 has an air outlet 210 connected with the cavity. The electrostatic precipitator further includes a support 30 , the support 30 is arranged in the cavity, and the dust removal unit 40 is fixedly connected with the support 30 . Wherein, the upper cover 10 and the lower cover 20 can be connected by a snap connection, or can be fixed by a screw connection, etc., and the support 30 can be easily installed in the cavity through the detachable connection.

Further, referring to FIG. 3 and FIG. 4 , the dust removal unit 40 includes an ionizing electrode 410 , a repelling electrode 420 and a collecting electrode 430 . Wherein, the ionizing electrode 410 and the repelling electrode 420 are arranged in sequence along the wind inlet direction, and the collector 430 is arranged on the same side of the ionizing electrode 410 and the repelling electrode 420 . The ionization electrode 410 and the repelling electrode 420 are integrally formed. The collector 430 is provided with a voltage opposite to that of the repelling electrode 420 and the ionizing electrode 410 .

Existing electrostatic precipitators generally include an ionization assembly and a collection assembly, wherein the ionization assembly includes an ionization electrode and an excitation electrode arranged at intervals, and a plasma field is generated between the ionization electrode and the excitation electrode; the collection assembly includes an exclusion electrode and a collector electrode arranged at intervals, An electrostatic field is generated between the repelling electrode and the collecting electrode; and the ionization component and the collection component are set independently, and usually two sets of circuits need to be set up to supply power to the ionization component and the collection component respectively.

In the embodiment of the present invention, the ionization electrode 410 interacts with the collector electrode 430 to generate a plasma field; the repelling electrode 420 interacts with the collector electrode 430 to generate an electrostatic field. That is to say, compared with the existing electrostatic precipitator, the repelling electrode 420 of the electrostatic precipitator of the present invention not only plays the role of excitation, but also plays the role of collection. The repelling electrode 420 and the collecting electrode 430 are generally arranged in a plate structure, which can have a larger dust collection area, thereby achieving a better dust collection effect. The ionizing electrode 410 and the repelling electrode 420 are integrally formed. The repelling electrode 420 is generally made of stainless steel or aluminum alloy. Several discharge tips 411 can be directly processed on the repelling electrode, which can be used as the ionizing electrode. The process is simple. It can be understood that, in order to realize the electrostatic precipitating function, the collecting electrode 430 is disposed on the same side of the ionizing electrode 410 and the repelling electrode 420 , so as to form a channel for air circulation between the ionizing electrode 410 and the repelling electrode 420 . Specifically, please refer to FIG. 3 , in one embodiment, the collector 430 is arranged at intervals along the first direction on the same side of the ionization electrode 410 and the repelling electrode 420, and the collector 430 can be located at the ionization electrode 410 and the repelling electrode 420 toward the first direction. One side in one direction may also be located on the side of the ionizing electrode 410 and the repelling electrode 420 away from the first direction, or be arranged on both sides of the ionizing electrode 410 and the repelling electrode 420 in the first direction.

The electrostatic precipitator of the present invention integrates the ionizing electrode 410 and the repelling electrode 420 , and shares a collecting electrode 430 . In this way, a plasma field for charging particulate pollutants in the air is formed between the ionizing electrode 410 and the collecting electrode 420 , and a bias electrostatic field for collecting charged particulate pollutants is formed between the repelling electrode 420 and the collecting electrode 430 . In the existing electrostatic precipitator, the ionization component and the collection component are arranged separately, and a gap is formed between the two, resulting in a relatively large overall thickness of the electrostatic precipitator. In the electrostatic precipitator of the present invention, the ionizing electrode 410 is directly formed on the repelling electrode 420, which simplifies the manufacturing process, and the collecting electrode 430 acts with the ionizing electrode 410 and the repelling electrode 420 at the same time to form a plasma field and an electrostatic field, which effectively simplifies the process. The structure of the electrostatic precipitator is improved, and the overall thickness of the electrostatic precipitator is reduced, which is beneficial to the miniaturization of the electrostatic precipitator. At the same time, since the ionizing electrode 410 and the repelling electrode 420 are integrally formed, when the repelling electrode 420 is powered on, the ionizing electrode 410 and the repelling electrode 420 are simultaneously charged with the same voltage, and the collector 430 is provided with a voltage opposite to that of the repelling electrode 420. In this way, only one set of circuits is needed to realize simultaneous conduction of the ionizing electrode 410, the repelling electrode 420 and the collecting electrode 430, thereby effectively saving the cost of electric control.

Specifically, the discharge tip on the repeller generally has a relatively large surface curvature, and the discharge tip 411 has many shapes, such as needle-like, cone-shaped, saw-toothed, etc., and the saw-toothed shape has many forms, which can be triangular or Wave sawtooth, etc.; as long as the tip discharge can be generated under the high-voltage electric field. It should be noted that, in this embodiment, as shown in FIG. 4 , the tip of the discharge tip 411 faces upward, and the discharge tip 411 is opposite to the collector plate, but the design is not limited thereto, and the tip of the discharge tip 411 is also Can be set towards the collector. In order to achieve a better ionization effect, the range of the distance L (as shown in Figure 5) between the two discharge tips 411 is: 1mm-5mm, preferably 3mm; the vertical height H of the discharge tips 411 (as shown in Figure 5) The range is 2mm-5mm. Preferably, the discharge tip 411 is in a triangular sawtooth shape, and the apex angle θ of the discharge tip 411 (as shown in FIG. 5 ) ranges from 1° to 30°.

Further, please continue to refer to FIG. 4 , the repeller 420 is provided with a power supply protrusion 421 for connecting to a power source, and the power supply protrusion 421 is integrally formed with the repeller 420 . In this way, after the power supply convex portion 421 is powered on, the ionization electrode 410 and the repelling electrode 420 are simultaneously charged with the same voltage, and since the collector 430 is provided with a voltage of the opposite polarity to the voltage of the repelling electrode 420, only one set of circuits is required. , the simultaneous conduction of the ionizing electrode 410, the repelling electrode 420 and the collecting electrode 430 can be realized, thereby effectively saving the cost of electric control.

Further, in order to increase the dust removal capability of the electrostatic precipitator, in one embodiment, please refer to FIG. 1 , a plurality of the dust removal units 40 are arranged at intervals along the first direction. Under the premise of not affecting the thickness of the electrostatic precipitator (the direction of air circulation is the thickness direction of the electrostatic precipitator), by arranging multiple groups of dust removal units 40 side by side in the first direction, the dust removal area can be effectively increased in its length direction, thereby Improve the dust removal capacity of the electrostatic precipitator.

The present invention also proposes an air conditioner, the air conditioner includes an air-conditioning indoor unit and an electrostatic precipitator, the electrostatic precipitator is arranged at the air inlet of the air-conditioning indoor unit, the specific structure of the electrostatic precipitator refers to the above-mentioned embodiment, because The air conditioner adopts all the technical solutions of the above-mentioned embodiments, so at least it has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not repeat them here.

The above is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or direct/indirect use All other relevant technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. An electrostatic precipitator, characterized in that, said electrostatic precipitator comprises a plurality of dust removal units, any said dust removal unit comprises: Ionization electrodes and repelling electrodes arranged in sequence along the wind inlet direction; collector, located on the same side of the ionization electrode and the repelling electrode; The ionization electrode and the repeller are integrally formed; the collector is supplied with a voltage opposite to the repeller voltage. 2 . The electrostatic precipitator according to claim 1 , wherein a plurality of discharge tips are provided on the repelling electrode, and the ionization electrode is composed of a plurality of discharge tips. 3 . 3. The electrostatic precipitator according to claim 2, wherein the discharge tip is arranged in a zigzag shape. 4. The electrostatic precipitator according to claim 3, wherein the discharge tip is in a triangular sawtooth shape, and the apex angle of the discharge tip is in the range of 1°-30°. 5. The electrostatic precipitator according to claim 3, wherein the distance between two adjacent discharge tips is 1mm-5mm. 6 . The electrostatic precipitator according to claim 3 , wherein the vertical height of the discharge tip ranges from 2 mm to 5 mm. 7 . The electrostatic precipitator according to claim 1 , wherein the repeller is provided with a power supply protrusion for connecting with a power source. 8 . 8. The electrostatic precipitator according to claim 1, wherein a plurality of said dust removal units are arranged at intervals along the first direction. 9. The electrostatic precipitator according to any one of claims 1 to 8, characterized in that the electrostatic precipitator further comprises an upper cover and a lower cover, the upper cover and the lower cover are detachably connected and enclosed A cavity is formed; the upper cover has an air inlet connected to the cavity; the lower cover has an air outlet connected to the cavity; the electrostatic precipitator also includes a support, and the support is provided In the cavity, the dust removal unit is fixedly connected with the support. 10. An air conditioner, characterized by comprising an air-conditioning indoor unit and the electrostatic precipitator according to any one of claims 1 to 9, the electrostatic precipitator being arranged at the air inlet of the air-conditioning indoor unit.