CN218078408U

CN218078408U - Self-cleaning electrostatic dust collector

Info

Publication number: CN218078408U
Application number: CN202220769608.0U
Authority: CN
Inventors: 陈天威; 李雪斌
Original assignee: Youthware Intelligent Environment Shenzhen Co ltd
Current assignee: Youthware Intelligent Environment Shenzhen Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-12-20
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a self-cleaning electrostatic dust collection device, which comprises a charged particle generating device, a dust collecting device and a dust collecting device, wherein the charged particle generating device is used for charging dust particles in the air; the charged particle separation device is used for separating charged dust particles generated by the charged particle generation device, and comprises a guide pipe and a fin, wherein the guide pipe and the fin are connected with a refrigeration or heating system; a support assembly for mounting the charged particle generating device and the charged particle separating device. The utility model discloses the electric field that utilizes ionization silk to form makes the dust particle in the air take electric charge, when the charge also has the fin of opposite charge, can be adsorbed by the fin to reach the purpose of removing dust, utilize the copper pipe of refrigeration or heating system connection to cool down to the fin simultaneously, force the purpose of fin condensation frosting in order to reach the automatically cleaning.

Description

Self-cleaning electrostatic dust collector

Technical Field

The utility model relates to an evaporimeter technical field, concretely relates to automatically cleaning electrostatic precipitator device.

Background

With the development of economy and the progress of society, energy conservation becomes inevitable and social consensus. Various electrical appliances are developed in the direction of energy conservation, convenient use, space conservation, safety, high efficiency, multiple functions and the like. The air conditioner is one of the most important parts of the life electrical appliances of people, and certainly, the most important part of the air conditioner is an evaporator, which is known as one of four parts in the refrigeration of the air conditioner, the evaporator is positioned in the air conditioner, when the air conditioner is started, the evaporator exchanges heat and cold, a large amount of condensed water is generated on the surface of the evaporator, meanwhile, the outdoor air possibly carries various dust, bacteria, impurities and the like, the substances and the condensed water are adhered to the surface of the evaporator, and the evaporator is in a warm, dark and humid environment for a long time when the air conditioner does not work, and is used for a long time, a large amount of bacteria such as mold are bred on the surface of the evaporator, and once the mold meets a proper environment, the mold can multiply quickly, so that once the air conditioner works, various bacteria can flap to a user through an air outlet of the air conditioner, the interior of the whole space can be polluted for a short time, and simultaneously, unpleasant odor is brought to cause discomfort of a nasal cavity, an air pipe and a lung, thereby endangering the health of people. The existing evaporators are all cleaned manually, and the existing evaporators are not cleaned in place by adopting a manual cleaning mode, and meanwhile, components of the evaporators are easily corroded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough among the prior art, aim at provides an automatically cleaning electrostatic precipitator device, utilize the electric field that the ionization wire formed to make the dust particle in the air charge, when the fin that the electric charge also has the high-tension potential difference, can be adsorbed by negative pole (ground connection) fin, thereby reach the purpose of dust removal, utilize the copper pipe of refrigeration or heating system connection to cool down the fin simultaneously, force the fin condensation to frost in order to reach the purpose of automatically cleaning.

The utility model discloses a following technical scheme realizes:

a self-cleaning electrostatic precipitator device, comprising:

the charged particle generating device is used for charging dust particles in the air;

the charged particle separation device is used for separating charged dust particles generated by the charged particle generation device and comprises a guide pipe and a fin which are connected with a refrigeration or heating system, and the fin is sleeved on the guide pipe and is connected with a grounding electrode;

a support assembly for mounting the charged particle generating device and the charged particle separating device.

Further, lotus electric particle separator still includes the contact tube, the fin includes first fin and second fin, first fin cover is established on the contact tube, the second fin cover is established on the pipe and is connected with telluric electricity field.

Further, be provided with first connecting hole and second connecting hole on first fin and the second fin, first connecting hole is connected to the contact tube, the pipe connection second connecting hole, the internal diameter of the second connecting hole on the first fin is greater than the external diameter of pipe, the internal diameter of the first connecting hole on the second fin is greater than the external diameter of contact tube.

Furthermore, the first fins and the second fins are distributed in a staggered mode in sequence.

Further, the support assembly includes two side plates on which the conduit is disposed.

Further, the charged particle separation device comprises at least two U-shaped bends, and the U-shaped bends are connected with the guide pipes.

Further, the support assembly comprises two side plates, and the guide pipe and the conductive pipe are arranged on the side plates.

Further, the support assembly further comprises a connecting plate, and the connecting plate is connected with the two side plates.

Furthermore, a first insulating block is arranged on the side plate, and the conductive tube is connected with the first insulating block and used for preventing the conductive tube from contacting with the side plate.

Furthermore, a first fixing piece is arranged on the first insulating block and connected with the conductive pipe.

Further, the charged particle separation device comprises a first clamping piece and a second clamping piece, wherein the first clamping piece is used for fixing the second fin on the guide pipe, and the second clamping piece is used for fixing the first fin on the conductive pipe.

Further, the charged particle generating device comprises two second fixing pieces and an ionizing wire, wherein the ionizing wire is fixed on the second fixing pieces, the side plate is provided with a second insulating block, and the second fixing pieces are connected with the second insulating block and located on one side of the warping plate.

Further, the charged particle generating device comprises a grid plate which is arranged on the side plate, and the ionizing wire is positioned in the grid plate.

Further, the charged particle generating device comprises a first metal piece and a second metal piece, and a potential difference exists between the first metal piece and the second metal piece.

Furthermore, the first metal piece comprises a hollowed metal support and a discharge needle, the second metal piece is of a sheet porous structure, and the discharge needle is vertically fixed on the metal support and corresponds to the holes respectively.

Further, the charged particle generating device further comprises two second fixing pieces, the first metal piece and the second metal piece are fixed to the second fixing pieces, the side plates are provided with two insulating blocks, and the second fixing pieces are connected with the second insulating blocks and located on one side of the warping pieces.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model discloses the ionization silk that sets up forms high-voltage electric field after the circular telegram, can break the dust particle in the air and take positive charge, still releases a large amount of anions simultaneously, forms the plasma space to reach the bacterium virus in the quick kill air, can also get rid of harmful gas such as peculiar smell simultaneously, and the dust particle that has positive charge when the fin is passed through, adsorbs the fin of being connected with the negative pole of telluric electricity field, thereby has realized the filtration to dust particle;

2. the utility model discloses when adsorbing when the dust particle on the fin accumulates to the certain degree, through letting in the refrigerant in the copper pipe to setting up for the temperature of fin reduces, and the moisture that the fin produced at rapid cooling in-process reaches the state that the condensation frosted, thereby peels off the dust particle that will adsorb on the fin, reaches the purpose of automatically cleaning.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a schematic structural view of the present invention in embodiment 3;

fig. 4 is an exploded view of the structure of the present invention in this embodiment 3.

Reference numbers and corresponding part names in the drawings:

1. a U-shaped elbow; 2. a first fixing member; 3. a first insulating block; 4. a side plate; 5. a second insulating block; 6. a first fin; 7. a first clamping member; 8. a second fin; 9. a conduit; 10. a second clamping member; 11. a conductive tube; 12. ionizing the filaments; 13. a grid plate; 14. a second fixing member; 15. a connecting plate; 16. a discharge needle; 17. a metal bracket; 18. and a second metal piece.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is given for further details of the present invention with reference to the accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention, and are not intended to limit the present invention.

Examples

As shown in fig. 1 and fig. 2, the present invention includes:

the charged particle separation device is used for separating charged dust particles generated by the charged particle generation device, and comprises a guide pipe 9 and a fin which are connected with a refrigeration or heating system, wherein the fin is sleeved on the guide pipe 9 and is connected with a grounding electrode;

Aiming at various dust, bacteria, impurities and the like in the air in the long-term use process of the evaporator and the electrostatic dust collection module in the prior art, the substances are gradually adhered to the surfaces of the warping sheet and the electrostatic dust collection sheet of the evaporator. Meanwhile, the device is in a warm, dark and humid environment for a long time when not in operation, and is used for a long time, a large amount of bacteria such as mould are bred on the surface, and the mould can be bred quickly once meeting a proper environment, so that when the device works, various bacteria can be splashed to a user through an air outlet, the interior of the whole space can be polluted for a while, and unpleasant peculiar smell is brought to the inside, so that nasal cavities, air pipes and lungs are not comfortable, and the physical health of people is endangered; when charged particles in air are separated by the charged particle separating device, the guide pipe 9 is connected with a refrigerating system, such as a compressor, a condenser, an electronic expansion valve and the like, when dust particles on the fins are separated to a certain degree, the electronic expansion valve is opened to start a refrigerating function, so that a refrigerant flows in the guide pipe 9, the fins are refrigerated, the temperature of the fins is reduced to be below 0 ℃ or even to be below 20 ℃ below zero, moisture generated by the fins in a rapid cooling process reaches a state of condensation and frost formation, the size of the fins is reduced during rapid cooling due to smooth surfaces of the fins, and substances such as dust on the fins are driven in the process of condensation and frost formation and stripping of the moisture on the fins connected with the guide pipe 9, so that the self-cleaning purpose is achieved.

The supporting component comprises two side plates 4, the fins are uniformly distributed between the two side plates 4, U-shaped elbows 1 are further arranged on the side plates 4, the guide pipes 9 are at least two, and the U-shaped elbows 1 are connected with the end parts of the two adjacent guide pipes 9 to form a bent spiral shape.

The guide pipe 9 arranged in the technical scheme is used for sequentially connecting the fins in series, and connecting part of the fins with the negative electrode, and meanwhile, a refrigerant can be introduced into the guide pipe 9 so as to achieve the effect of refrigerating the fins; meanwhile, in order to ensure that the refrigerant can flow in each guide pipe 9, the U-shaped elbow 1 is further arranged, the guide pipes 9 are sequentially connected in series by the U-shaped elbow 1 to form a bent spiral shape, so that the refrigerant can flow in each guide pipe 9 in sequence, and the effect of cooling fins is achieved.

And a connecting plate 15 is further arranged between the two side plates 4, and two ends of the connecting plate 15 are respectively connected with the tops of the two side plates 4 through first bolts.

The curb plate 4 of setting is convenient to be stabilized this evaporimeter and is fixed in the casing of air conditioner, in order to improve the stability between two curb plates 4, so still be provided with connecting plate 15 between two curb plates 4 to utilize first bolt to realize being connected between connecting plate 15 and the curb plate 4, convenient loading and unloading.

Charged particle separator still includes collector tube 11, the both ends of collector tube 11 are connected with two curb plates 4 respectively, the fin includes first fin 6 and second fin 8, first fin 6 and second fin 8 crisscross distribution in proper order are on collector tube 11 and pipe 9, and

first fin

6 and 11 contacts of collector tube, second fin 8 and pipe 9 contact.

Because the pipe 9 that utilizes to set up among this technical scheme is connected some fin and negative electrode, can be connected with the positive electrode in order to realize some fin in addition, thereby realize two adjacent fins and be connected with positive electrode and negative electrode respectively, the event still is provided with a plurality of stand pipes 11 between two curb plates 4, stand pipe 11 also runs through the fin in proper order, the pipe 9 that wherein sets up is connected with the negative pole that ground connection, stand pipe 11 is connected with the positive pole, make two adjacent fins can form the potential difference like this.

This technical scheme is in order to realize two adjacent fins and form the potential difference, so the fin includes first fin 6 and second fin 8, wherein, first fin 6 is connected with anodal through the contact tube 11 that sets up, make first fin 6 have high-voltage positive charge, and second fin 8 is connected with telluric electricity field through the pipe 9 that sets up, make second fin 8 voltage zero, thus, when the dust particle that has positive charge behind the high-voltage electric field that forms through ionization wire 12 when first fin 6 and second fin 8, under the effect of high-voltage potential field, because like polarity repels, opposite sex attracts the principle, make the dust particle that has positive charge flow to second fin 8, adsorb dust particle on second fin 8, thereby the absorption to dust particle in the air has been realized.

Still be equipped with the same first collets 3 of quantity and the same of electric conduction tube 11 quantity on the curb plate 4, the tip of electric conduction tube 11 stretches into in the first collets 3, still be equipped with first mounting 2 on the first collets 3, first mounting 2 is the screw, and first mounting 2 is connected with the electric conduction tube 11 that is located first collets 3.

Because the two ends of the guide tube 9 arranged in the technical scheme are connected with the U-shaped elbow 1 on the side plate 4, the side plate 4 is also provided with electric charges which are the same as those of the guide tube 9, so that in order to avoid the contact between the conductive tube 11 arranged between the side plates 4 and the side plate 4, the first insulating block 3 is also arranged on the side plate 4, the conductive tube 11 is fixed on the side plate 4 by utilizing the arranged first insulating block 3, and the conductive tube 11 is ensured not to be in contact with the side plate 4; meanwhile, the conductive tube 11 is stably fixed on the first insulating block 3 by the arranged first fixing piece 2.

All be equipped with the first connecting hole that quantity and 11 quantity of conducting tubes are the same and the second connecting hole that quantity and pipe 9 quantity are the same on first fin 6 and the second fin 8, conducting tube 11 is located first connecting hole, pipe 9 is located the second connecting hole.

The internal diameter of the first connecting hole on the first fin 6 is consistent with the external diameter of the conducting tube 11, the internal diameter of the second connecting hole on the first fin 6 is greater than the external diameter of the conducting tube 9, the internal diameter of the first connecting hole on the second fin 8 is greater than the external diameter of the conducting tube 11, and the internal diameter of the second connecting hole on the second fin 8 is consistent with the external diameter of the conducting tube 9.

In this technical solution, since the conducting tube 9 and the conducting tube 11 are inserted through the first fin 6 and the second fin 8, and at the same time, in order to realize that the first fin 6 and the second fin 8 have different voltages, the first fin 6 and the second fin 8 are both provided with a first connection hole and a second connection hole, the first connection hole is configured to be connected with the conducting tube 11, and the second connection hole is configured to be connected with the conducting tube 9, wherein, in order to realize that the first fin 6 and the conducting tube 11 are in a connection state and are not in contact with the conducting tube 9, an inner diameter of the first connection hole on the first fin 6 is consistent with an outer diameter of the conducting tube 11, and an inner diameter of the second connection hole is greater than the conducting tube 9, the conducting tube 11 and the conducting tube 9 both penetrate through the first fin 6, but the conducting tube 9 is not in contact with the first fin 6, so that the first fin 6 can have the same positive charge as the conducting tube 11, and the same as that, in order to ensure that the second fin 8 and the conducting tube 9 do not remain at the voltage, so that an outer diameter of the second connecting hole 8 on the second fin 8 is greater than zero, and an outer diameter of the conducting tube 9, and an inner diameter of the conducting tube 9 is consistent with the conducting tube 11, and an inner diameter of the conducting tube 9, so that an outer diameter of the conducting tube 8 is greater than an outer diameter of the conducting tube 9, and an inner diameter of the conducting tube 8 is consistent with a conducting tube 8, and an inner diameter of the conducting tube 9, and an inner diameter of the conducting tube 8, and an inner diameter of the conducting tube 9, so that the conducting tube 8 are the conducting tube 8, and an inner diameter of the conducting tube 9, and an inner diameter of the conducting tube 8 are consistent with an inner diameter of the conducting tube 8, and an inner diameter of the conducting tube 9.

The charged particle separation device comprises a first clamping piece 7 and a second clamping piece 10, the second clamping piece 10 is sleeved on a conductive tube 11, and the second clamping piece 10 is used for fixing a first fin 6 on the conductive tube 11; the first clamping piece 7 is sleeved on the guide pipe 9, and the first clamping piece 7 is used for fixing the second fin 8 on the guide pipe 9.

In order to ensure that the first fin 6 can be stably fixed on the conductive tube 11 and is not easy to move by itself, a second clamping piece 10 is further arranged on the conductive tube 11, the second clamping piece 10 is arranged to be sleeved on the conductive tube 11 and located on two sides of the first fin 6, and the first fin 6 is fixed on the conductive tube 11; in a similar way, in order to guarantee that second fin 8 can be stably fixed on pipe 9, so still be provided with first holder 7 on pipe 9, first holder 7 overlaps on pipe 9 to be located the both sides of second fin 8, stably fix second fin 8 on pipe 9.

Example 2

On the basis of embodiment 1, the charged particle generating device includes two second fixing pieces 14 and an ionizing wire 12, two second insulating blocks 5 are respectively disposed on the side plates 4, the second fixing piece 14 is located between the two side plates 4, two ends of the second fixing piece 14 are respectively located in the second insulating blocks 5 of the two side plates 4, the two second fixing pieces 14 are parallel to each other, and the two second fixing pieces 14 are located on one side of the distribution direction of the first fins 6 and the second fins 8; the two ends of the ionization wire 12 are respectively fixed on two second fixing pieces 14.

The charged particle generating device in the embodiment adopts the ionizing wire 12 to be connected with a high-voltage power supply, the ionizing wire 12 is electrified to form a high voltage of more than 8000V, a high-voltage electric field is formed, a large number of negative ions are released simultaneously, a separation subspace is formed, the plasma electric field can rapidly kill all bacteria and viruses in the air, meanwhile, ozone can be generated by a toxic gas plasma electric field of various peculiar smells and the like, the ozone can be rapidly reduced into oxygen through an evaporator containing high-water molecules when meeting water in refrigeration, the ozone can be rapidly reduced into oxygen through a dozen-degree evaporator when heating, so that the air can force dust particles in the air to carry positive charges when passing through the electric field, the dust particles with the positive charges can be adsorbed by a fin connected with a negative electrode when passing through the fin, the dust particles in the air are adsorbed to the fin, and the removal of the dust particles in the air is realized.

In order to guarantee that the ionization wire 12 that sets up can be stable at the entrance that gaseous got into the fin, so second mounting 14 has been set up, and the twice of second mounting 14 is connected with two curb plates 4 through second collets 5, guarantee that second mounting 14 can stably fix between two curb plates 4 promptly, through having avoided direct contact between second mounting 14 and the curb plate 4 again, the ionization wire 12 that sets up is equidistant to be distributed on second mounting 14, second mounting 14 is connected with high voltage power supply, make ionization wire 12 can form high-voltage electric field after the circular telegram.

The ionization wire grid structure is characterized by further comprising a grid plate 13, convex edges are arranged on the side walls of the side plates 4, the grid plate 13 is fixed with the convex edges of the side plates 4 through second bolts, and the ionization wires 12 are located in the grid plate 13.

In order to ensure that the ionization wires 12 can form a high-voltage electric field after being electrified, a grid plate 13 is further arranged on the side plate 4, and the grid plate 13 is arranged for separating the ionization wires 12 and ensuring that the ionization wires 12 can generate a high-voltage electric field in the grid plate 13 after being electrified.

Example 3

As shown in fig. 3 and 4, based on embodiment 1, the charged particle generating device includes a first metal member and a second metal member 18, and a potential difference is provided between the first metal member and the second metal member 18.

The charged particle generating device in this embodiment is two metal members, that is, the first metal member and the second metal member 18, and in order to generate an electric field between the first metal member and the second metal member 18, so that dust particles passing through the electric field are charged, one of the metal members is connected to a high potential, and the other metal member is connected to a low potential, so that a certain potential difference is formed between the first metal member and the second metal member 18, thereby generating an electric field, and finally, dust particles in the air can be charged when passing through the electric field.

Example 4

On the basis of embodiment 3, the first metal part includes a hollowed-out metal support 17 and a discharge needle 16, the second metal part is a sheet-shaped porous structure, and the discharge needle 16 is vertically fixed on the metal support 17 and respectively corresponds to the holes.

The charged particle generating device further comprises two second fixing pieces 14, the first metal piece and the second metal piece are fixed on the second fixing pieces 14, the side plate 4 is provided with two second insulating blocks 5, and the second fixing pieces 14 are connected with the second insulating blocks 5 and located on one side of the warping pieces.

The charged particle generating device in the embodiment generates an electric field by using a principle of point discharge, so that dust particles passing through the electric field can be charged.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A self-cleaning electrostatic precipitator, comprising:

the charged particle separation device is used for separating charged dust particles generated by the charged particle generation device and comprises a guide pipe (9) and a fin, wherein the guide pipe (9) is connected with a refrigeration or heating system, and the fin is sleeved on the guide pipe (9) and is connected with a grounding electrode;

2. The self-cleaning electrostatic precipitator device according to claim 1, wherein the charged particle separating device further comprises a conductive tube (11), the fins comprise a first fin (6) and a second fin (8), the first fin (6) is sleeved on the conductive tube (11), and the second fin (8) is sleeved on the guide tube (9) and connected with the grounding electrode.

3. The self-cleaning electrostatic precipitator according to claim 2, wherein the first fin (6) and the second fin (8) are provided with a first connection hole and a second connection hole, the conductive pipe (11) is connected with the first connection hole, the guide pipe (9) is connected with the second connection hole, the inner diameter of the second connection hole on the first fin (6) is larger than the outer diameter of the guide pipe (9), and the inner diameter of the first connection hole on the second fin (8) is larger than the outer diameter of the conductive pipe (11).

4. A self-cleaning electrostatic precipitator according to claim 2, wherein said first fins (6) and said second fins (8) are arranged alternately in sequence.

5. Self-cleaning electrostatic precipitator according to claim 1, wherein said support assembly comprises two side plates (4), said conduits (9) being arranged on said side plates (4).

6. The self-cleaning electrostatic precipitator according to claim 5, wherein said charged particle separation means comprises at least two U-bends (1), and said at least two conduits (9), said U-bends (1) being connected to said conduits (9).

7. Self-cleaning electrostatic precipitator according to claim 2, wherein the support assembly comprises two side plates (4), the conduit (9) and the conductive tube (11) being arranged on the side plates (4).

8. A self-cleaning electrostatic precipitator according to claim 5 or 7, wherein the support assembly further comprises a connecting plate (15), the connecting plate (15) connecting the two side plates (4).

9. The self-cleaning electrostatic precipitator according to claim 7, wherein the side plates (4) are provided with first insulating blocks (3), and the first insulating blocks (3) are connected to the conductive tubes (11) for preventing the conductive tubes (11) from contacting the side plates (4).

10. The self-cleaning electrostatic precipitator according to claim 9, wherein the first insulating block (3) is provided with a first fixing member (2), and the first fixing member (2) is connected to the conductive pipe (11).

11. The self-cleaning electrostatic precipitator according to claim 2, wherein the charged particle separating apparatus comprises a first clamping member (7) and a second clamping member (10), the first clamping member (7) is used for fixing the second fin (8) on the conduit (9), and the second clamping member (10) is used for fixing the first fin (6) on the conductive pipe (11).

12. The self-cleaning electrostatic precipitator according to claim 5, wherein the charged particle generating device comprises a second fixing member (14) and an ionizing wire (12), wherein the ionizing wire (12) is fixed on the second fixing member (14), the side plate (4) is provided with a second insulating block (5), and the second fixing member (14) is connected with the second insulating block (5) and is located on one side of the fin.

13. The self-cleaning electrostatic precipitator according to claim 12, wherein the charged particle generating device comprises a grid plate (13) mounted on the side plate (4), the ionizing wire (12) being located in the grid plate (13).

14. A self-cleaning electrostatic precipitator according to claim 5, wherein the charged particle generating means comprises a first metallic element, a second metallic element (18), and a potential difference is provided between the first metallic element and the second metallic element (18).

15. A self-cleaning electrostatic precipitator according to claim 14, wherein said first metallic member comprises a hollowed metallic support (17) and discharge needles (16), said second metallic member (18) has a sheet-like porous structure, and said discharge needles are vertically fixed on said metallic support and respectively correspond to said holes.

16. The self-cleaning electrostatic precipitator according to claim 15, wherein the charged particle generating device further comprises a second fixing member (14), the first metal member and the second metal member are fixed on the second fixing member (14), the side plate (4) is provided with two second insulating blocks (5), and the second fixing member (14) is connected to the second insulating blocks (5) and located on one side of the fin.