TWM563918U - Scroll type electrostatic dust collecting device - Google Patents

Abstract

A scroll type electrostatic dust collecting device comprises a fan, which is sent out by an air outlet of a casing after axially sucking outside air; a dust collecting unit is a vortex formed by bending two or more plates The roll type dust collecting body forms a scroll type dust collecting passage between the two plates, the inner side of the dust collecting passage is an air inlet, the outer end is an air outlet, and the scroll type dust collecting system is arranged at An outer space of the fan, and an accommodating space is formed in the air outlet of the casing, and the air inlet of the dust collecting passage is connected to the accommodating space; and a corona discharge unit is composed of two or more electrode rods, The axial direction is set in the accommodating space, and the discharge is respectively generated by the high-voltage electricity; thereby, the fan sends the air from the air outlet, passes through the corona discharge unit, and then enters the air guiding port of the dust collecting unit, and then the air is blown. Port exporter. This creation combines a corona discharge unit with a scroll-type dust collection unit and a fan, which has no space and can increase the range of particle charging and the area of dust collection. It can be suitable for general home, office or medical institutions. Wait for public places to achieve the purpose of purifying the gas.

Description

Scroll type electrostatic dust collecting device

The present invention relates to an electrostatic dust collecting device, and more particularly to an electrostatic dust collecting device of a scroll structure.

According to the basic principle of electrostatic dust collection, two electric fields of opposite polarity are formed by applying a voltage and utilizing the principle of charge isotropic repulsion and anisotropic attraction, that is, ionizing the air by the corona discharge principle, in the gas to be treated The particles are charged by ion impact and are moved to the dust collecting plate to be removed from the gas to be treated, thereby achieving the purpose of purifying the gas.

At the time of press, most of the electrostatic dust collection is used for industrial purposes. There are not many public places such as homes, offices or medical institutions. Although there are many types of gas purifiers on the market, there are not many clean machines that can effectively remove PM2.5. This requires a large amount of dust to contact the electrodes due to electrostatic dust collection, so it is difficult to achieve a miniaturized design. In addition, current industrial or general-purpose electrostatic dust collectors, mostly in the form of flat or honeycomb structures, have the effect of increasing the time of contact between the dust and the electrodes, whether it is a flat or honeycomb structure.

1A and 1B are a multi-plate electrostatic precipitator 10 comprising a frame 11, a plurality of partitions 12, a plurality of dust collecting plates 13, a pair of low-voltage electrode plates 14, and a first A high voltage electrode line group 15, a pair of first high voltage electrode plates 16, a second high voltage electrode line group 17, and a pair of second high voltage electrode plates 18. This type of patent is found in Taiwan's new patent No. M435299.

2A and 2B are a honeycomb type electrostatic precipitator 20 comprising more than one dust collecting tube group 21 and one or more discharge groups 22; the dust collecting tube group 21 is mainly composed of a plurality of hollow dust collecting tubes 211, which The discharge group 22 is mainly disposed on a fixed frame and has a plurality of electrode rods 221, and the electrode rods 221 are respectively disposed at the axial center of each dust collecting tube 21 and parallel to the axis thereof; when the exhaust gas passes through the dust collecting tubes 211, The electrode rods 221 in between are respectively subjected to high-voltage electricity to generate a tip discharge, which will charge the particles passing through the exhaust gas, and generate a wide range of corona repulsive effects, so that the charged exhaust gas particles are collected on the tube wall of the dust collecting tube 211. In order to filter out the exhaust particles in the gas stream.

However, it is checked that the above-mentioned electrostatic dust collecting device, whether it is a flat type or a honeycomb type peak, has a dust collecting effect, and is limited by the number, size and area of the electrode plates and the dust collecting plates, so that the volume thereof is large, so only It can be used for industrial purposes. As for general public places such as homes, offices or medical institutions, it is limited by the venue and space, and is not conducive to use.

Therefore, how to effectively solve the above problems, so that the electrostatic precipitator can be used as a general home, office or medical institution and other public places, this is the solution to solve the problem.

The reason is that the main purpose of this creation is to provide a scroll type electrostatic dust collecting device which combines a corona discharge unit and a dust collecting unit with a fan, which has no space and can increase the range of particle charging. With the area of dust collection, the effect of filtering and adsorbing exhaust gas particles can be further improved to solve the deficiencies of the prior art.

Another object of the present invention is to provide a scroll type electrostatic dust collecting device which has the characteristics and benefits of a small volume and large dust collecting area, and is suitable for general public places such as homes, offices or medical institutions, and has a filtering air flow. Exhaust particles in the middle.

In order to achieve the above object, the technical means adopted by the present invention comprises: a fan comprising a casing having an air suction port in the axial direction, an air outlet in a radial direction, and at least one fan and a motor system are combined on the casing. The motor drives the fan to rotate in the casing for axially sucking outside air, and then is sent out by the air outlet of the casing; a dust collecting unit is bent by two or more plates. The scroll-type dust collecting body forms a scroll-type dust collecting passage between the two plates, the inner end of the dust collecting passage is an air guiding port, and the outer end is an air blowing port, and the scroll type a dust collecting system is disposed outside the fan, and an accommodating space is formed in the air outlet of the casing, and the air inlet of the dust collecting passage is connected to the accommodating space; and a corona discharge unit is Two or more electrode rods are arranged in the accommodating space, and are respectively discharged by high-voltage electricity to generate a discharger; thereby, the fan sends air from the air outlet through the corona discharge unit Then, enter the air guiding port of the dust collecting unit, and the scroll dust collecting After the dust collector, and then the air output by the transmission.

According to the foregoing feature, the fan comprises one of a blower and a cross flow fan.

According to the foregoing feature, the dust collecting unit can be configured to match the lateral width of the fan.

According to the foregoing feature, the two side plates are disposed on the two sides of the dust collecting unit and the fan, and are connected by a plurality of rod bodies to form a rectangular body.

According to the foregoing feature, the two side plates are provided with a through hole and a scroll-shaped groove relative to the fan and the dust collecting unit, and the two sides of the plate body of the dust collecting unit can be embedded in the groove, when the two side plates are After the plurality of rod bodies are fixed, the dust collecting unit can be clamped and fixed.

According to the foregoing feature, the two side plates are provided with an insulating sleeve for positioning the electrode rod with respect to the electrode rod of the corona discharge unit, and are insulated from the two side plates.

With the help of the above-mentioned technical means, the dust collecting area of each dust collecting passage of the present creation is more than twice the length of the main body. Therefore, the dust collecting area of the present creation is compared with the same volume of the conventional flat type electrostatic precipitating device, or The honeycomb electrostatic precipitator has an overall dust collecting area of at least 10 times or more; therefore, it has no space, and can increase the range of particle charging and the area of dust collecting, thereby further improving the efficiency of filtering and adsorbing exhaust particles. To solve the deficiencies of the prior art. Therefore, the present invention has the characteristics and benefits of a small volume and large dust collection area, and is therefore suitable for use in public places such as general homes, offices, or medical institutions, and has exhaust gas particles filtered through the airflow.

First, referring to FIG. 3A to FIG. 6 , a preferred embodiment of the present scroll type electrostatic precipitator 70 includes a fan 30 including a housing 31 having an air inlet 32 in the axial direction and a radial direction. An air outlet 33 is provided, and at least one fan 34 and a motor 35 are combined on the casing 31. The motor 35 drives the fan 34 to rotate in the casing 31 for axially sucking outside air. It is sent out from the air outlet 33 of the casing 31. In the embodiment, the fan 30 is composed of one of a blower and a cross flow fan, and the fan 34 can be one or two. However, the structure of the fan 30 belongs to the prior art (PRIOR ART), and is not a patent of the present invention.

The main feature of the present invention is that a dust collecting unit 40 is a scroll dust collecting body 42 which is formed by bending two or more plates 41, so that a scroll type is formed between the two plates. a dust collecting passage 43, an inner side of the dust collecting passage 43 is an air guiding port 431, and an outer side end is an air blowing port 432, and the scroll type dust collecting body 42 is disposed at an outer periphery of the fan 30, and is in the shell The air outlet 33 of the body 31 forms an accommodating space 50, and the air inlet of the dust collecting passage 43 communicates with the accommodating space. In this embodiment, the fan 30 includes one of a blower and a cross flow fan, and the dust collecting unit 40 can be configured to match the lateral width of the fan 30.

A corona discharge unit 60 is composed of two or more electrode rods 61 which are axially disposed in the accommodating space 50 and are respectively connected to the high voltage power 62 to generate a discharge. The principle of the structure of the corona discharge unit 60 belongs to the prior art (PRIOR ART), and the patents of the present invention are not described herein.

In this embodiment, the dust collecting unit 40 is disposed around the outer periphery of the fan 30, and an accommodating space 50 is formed in the air outlet 33 of the housing 31. As shown in FIG. 3C and FIG. The electrostatic precipitator 70 further includes two side plates 71 disposed on the two sides of the dust collecting unit 40 and the fan 30, and connected by a plurality of rod bodies 72, thereby forming a substantially rectangular body. In this embodiment, the two side plates 71 are provided with a through hole 711 and a spiral groove 712 with respect to the fan 30 and the dust collecting unit 40. Thus, the sides of the plate body 41 of the dust collecting unit 40 are provided. The groove 712 can be embedded. When the two side plates 71 are fixed by the plurality of rod bodies 72, the dust collecting unit 40 is naturally clamped and fixed. Further, the two side plates 71 are provided with an insulating sleeve 73 for positioning the electrode rod 61 with respect to the electrode rod 61 of the corona discharge unit 60, and are insulated from the two side plates 71. Therefore, after the high voltage power 62 supplies power to the corona discharge unit 60, each of the electrode rods 61 generates a discharge, which in turn charges the passing exhaust gas particles, and generates a wide range of corona repulsion effects, so that the charging is performed. The exhaust gas particles are collected on the plate body 41 of the scroll type dust collecting passage 43, thereby filtering out the exhaust gas particles passing through the gas flow.

Thereby, the fan 30 sends air from the air outlet 33, passes through the corona discharge unit 60, and then enters the air guiding port 431 of the dust collecting unit, and collects the dust in the scroll dust collecting body 42, and then The air outlet 432 is output.

The main feature of the present invention is that the scroll-type dust collecting body 42 forms a plurality of scroll-type dust collecting passages 43, as shown in Fig. 6, the dust collecting area of each dust collecting passage 43 is the length (L) of the body. More than twice, that is, if the length of the scroll-type dust collecting body 42 is 290 mm, the overall dust collecting length of the dust collecting passage 43 is necessarily more than twice that of 290 mm. As a result, the dust collecting area of each dust collecting passage 43 is more than twice, and the scroll dust collecting body 42 has at least a plurality of dust collecting passages 43 so that the dust collecting area is smaller than the same volume. The conventional flat type electrostatic precipitator 10 or the honeycomb type electrostatic precipitator 20, the scroll-type electrostatic precipitator 70 of the present invention has an overall dust collecting area of at least 10 times or more; therefore, it does not occupy a space. The range of particle charging and the area of dust collection can be increased, and the effect of filtering and adsorbing exhaust particles can be further improved to solve the deficiencies of the prior art. Therefore, the present invention has the characteristics and benefits of a small volume and large dust collection area, and is therefore suitable for use in public places such as general homes, offices, or medical institutions, and has exhaust gas particles filtered through the airflow.

In summary, the structure revealed by this creation is unprecedented, and it can achieve the improvement of efficacy, and it can be used for industrial utilization. It fully complies with the new patent requirements, and invites the bureau to grant patents to encourage innovation. There is no sense of morality.

However, the drawings and descriptions disclosed above are only preferred embodiments of the present invention, and modifications or equivalent changes made by those skilled in the art in accordance with the spirit of the present invention should still be included in the scope of the patent application.

30‧‧‧Fan
31‧‧‧Shell
32‧‧‧ suction port
33‧‧‧air outlet
34‧‧‧Fan
35‧‧‧Motor
40‧‧‧Dust collection unit
41‧‧‧ board
42‧‧‧ Scroll type dust collector
43‧‧‧Dust collection channel
431‧‧‧air guide
432‧‧‧Air outlet
50‧‧‧ accommodating space
60‧‧‧corona discharge unit
61‧‧‧electrode rod
62‧‧‧High voltage
70‧‧‧ Scroll type electrostatic dust collector
71‧‧‧ side panels
711‧‧‧through hole
712‧‧‧ Groove
72‧‧‧ rod body
73‧‧‧Insulation sleeve

Fig. 1A is a perspective view showing the appearance of a flat type electrostatic precipitator. Fig. 1B is a side view of a conventional electrostatic precipitator. 2A is an exploded perspective view of a honeycomb electrostatic precipitator. Fig. 2B is a perspective view showing a combination of a honeycomb type electrostatic precipitator. Fig. 3A is an exploded perspective view of the fan preferably implemented in the present invention. FIG. 3B is an exploded perspective view of the fan and dust collection unit preferably implemented in the present invention. Figure 3C is an exploded perspective view of a preferred embodiment of the present invention. Figure 4 is a combined perspective view of a preferred embodiment of the present invention. Figure 5 is a cross-sectional view taken along line 5-5 of Figure 4. Figure 6 is a schematic view of the dust collecting passage of the present invention.

Claims (6)

A scroll type electrostatic dust collecting device comprises: a fan comprising a casing having an air suction port in the axial direction and an air outlet in a radial direction, at least one fan and a motor system being combined on the casing, the motor The fan is driven to rotate in the casing for axially sucking outside air, and then sent out by the air outlet of the casing; a dust collecting unit is a scroll formed by bending two or more plates The dust collecting body forms a scroll-type dust collecting passage between the two plates, the inner end of the dust collecting passage is an air guiding port, and the outer end is an air blowing port, and the scroll collecting dust collecting system Provided in the outer periphery of the fan, and an accommodating space is formed in the air outlet of the casing, and the air inlet of the dust collecting passage is connected to the accommodating space; and a corona discharge unit is composed of two or more The electrode rod is composed of an electrode rod disposed axially in the accommodating space, and is respectively discharged by high voltage electricity to generate a discharger; thereby, the fan sends air from the air outlet port, passes through the corona discharge unit, and then Entering the air guiding port of the dust collecting unit, in the scroll set After the dust collecting body, and then the air output by the transmission. The scroll type electrostatic precipitator according to claim 1, wherein the fan comprises one of a blower and a cross flow fan. The scroll type electrostatic precipitator according to claim 2, wherein the dust collecting unit is configured to match a lateral width of the fan. The scroll type electrostatic precipitator according to claim 1, wherein the two side plates are disposed on the dust collecting unit and the fan side, and are connected by a plurality of rod bodies to form a rectangle. Body. The scroll type electrostatic precipitator according to the fourth aspect of the invention, wherein the two side plates are provided with a through hole and a scroll-shaped groove with respect to the fan and the dust collecting unit, and the dust collecting unit The two sides of the plate body can be embedded in the groove. When the two side plates are fixed by the plurality of rod bodies, the dust collecting unit can be clamped and fixed. The scroll type electrostatic dust collecting device according to claim 5, wherein the two side plates are provided with an insulating sleeve for positioning the electrode rod with respect to the electrode rod of the corona discharge unit, and the two side plates are Form an insulating state.