CN107842887B

CN107842887B - Fume exhaust fan

Info

Publication number: CN107842887B
Application number: CN201710976746.XA
Authority: CN
Inventors: 谭柏豪; 王春旭; 蒋济武; 季俊生
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2017-10-19
Filing date: 2017-10-19
Publication date: 2020-01-31
Anticipated expiration: 2037-10-19
Also published as: CN107842887A

Abstract

The invention discloses range hoods, which comprise a rack assembly (3) internally provided with a fan (6), wherein the end part of the rack assembly is provided with a check valve (7) for connecting a smoke exhaust pipe, the range hood also comprises an electrostatic device (2), the electrostatic device is detachably connected between the check valve and a smoke exhaust pipe (1), oil adsorbed by the electrostatic device (2) can fall back into an oil cup (4), and the smoke exhaust pipe (1) is arranged to be directly installed on the check valve (7) after the electrostatic device (2) is detached.

Description

Fume exhaust fan

Technical Field

The invention relates to the field of household kitchen appliances, in particular to range hoods.

Background

With the increasing awareness of people on environmental protection, atmospheric pollution becomes a hot topic of people. During cooking, a large amount of harmful substances are involved in the generation of soot and the combustion of fuel. Part traditional lampblack absorber directly discharges the oil smoke to outdoor, leads to the oil smoke to directly get into the atmospheric environment and causes the pollution of air, influences people's health.

In order to solve the problem that the oil fume pollutes the atmosphere, more and more existing range hoods purify the oil fume by using an electrostatic oil filtering method, the oil-fat separation degree of the range hoods is high, so that the method for purifying the oil fume by adsorbing the oil fume by using an electrostatic device is accepted by in the application aspect.

Disclosure of Invention

The invention aims to provide range hoods, and the electrostatic device of the range hood is novel in structural form and convenient to disassemble, assemble and clean.

In order to achieve the purpose, the invention provides range hoods, which comprise a rack assembly with a built-in fan, wherein a check valve is arranged at the end of the rack assembly to connect a smoke exhaust pipe, the range hoods further comprise an electrostatic device, the electrostatic device is detachably connected between the check valve and the smoke exhaust pipe, the smoke exhaust pipe is arranged to be directly installed on the check valve after the electrostatic device is detached, the electrostatic device comprises a cylindrical installation shell with openings at two ends and an electrostatic module main body arranged in the installation shell, two ends of the installation shell are respectively connected with the check valve and the smoke exhaust pipe, the connection end of the check valve of the installation shell extends into a valve cavity of the check valve, an annular bearing platform for bearing oil filtering of the electrostatic device is protruded from the inner peripheral wall of the check valve, an annular diversion groove is formed on the annular bearing platform, an oil discharge hole is arranged on the bottom wall of the annular diversion groove in a penetrating manner, and oil adsorbed by the electrostatic device can return to the oil cup.

Preferably, the check valve connecting end of the mounting housing is provided with a plurality of connecting lug plates which are distributed at intervals along the circumferential direction.

Preferably, a radial pivot shaft and two check valve plates which pivot around the radial pivot shaft and are symmetrically arranged relative to the radial pivot shaft are arranged in a valve cavity of the check valve, and when the valve cavity is covered by the two check valve plates, the upper surfaces of the check valve plates are radially outward and downward inclined.

Preferably, the smoke exhaust pipe connecting end of the installation shell is provided with a smoke pipe connecting cover used for being connected with the smoke exhaust pipe, the smoke pipe connecting cover is connected with the smoke exhaust pipe connecting end in a buckling mode, and a flexible sealing gasket is arranged between the smoke pipe connecting cover and the smoke exhaust pipe connecting end in a padding mode.

Preferably, the electrostatic module body comprises a stacked cylindrical electrostatic collection module and a cylindrical electrostatic ionization module, the electrostatic ionization module comprises a discharge honeycomb electrode frame and a discharge pin electrode module which are installed in a matched mode, the electrostatic collection module comprises a collection honeycomb electrode frame and a collection pin electrode module which are installed in a matched mode, the discharge honeycomb electrode frame and the collection honeycomb electrode frame each comprise a plurality of honeycomb units which are connected in an adjacent mode, each honeycomb unit comprises a honeycomb column hole and an electrode enclosing plate which surrounds the honeycomb column hole, the electrostatic collection module is provided with a plurality of collection pin electrodes which are inserted into the honeycomb column holes of the collection honeycomb electrode frame correspondingly, and the electrostatic ionization module is provided with a plurality of discharge pin electrodes which are inserted into the honeycomb column holes of the discharge honeycomb electrode frames correspondingly.

Preferably, the electrostatic module body further comprises a plurality of axial connecting plates distributed at intervals along the circumferential direction, and the axial connecting plates axially connect the electrostatic collecting module and the electrostatic ionization module.

Preferably, the inner peripheral wall of the mounting housing is provided with a plurality of axial slots corresponding to the axial webs .

Preferably, the axial connection plates include a plurality of th axial connection plates and a plurality of second axial connection plates, the th axial connection plates connect the discharge honeycomb electrode frames and the collection honeycomb electrode frames, the second axial connection plates connect the discharge pin electrode modules and the collection pin electrode modules;

wherein, lampblack absorber includes the power, in the positive electrode of power and the negative electrode electricity connect discharge honeycomb electrode frame with collect the honeycomb electrode frame, electricity connect in addition discharge pin utmost point module with collect the pin utmost point module.

Preferably, the peripheral wall of the mounting housing is further provided with a wiring unit, the wiring unit comprises a wiring elastic sheet, a wiring through hole radially penetrating through the peripheral wall of the mounting housing, and a terminal protruding from the peripheral wall, the terminal is electrically connected with the power supply, an end of the wiring elastic sheet is fixed on the terminal, and another end is electrically connected with the electrostatic module main body inwards through the wiring through hole.

The electrostatic device of the range hood is arranged between the check valve and the smoke exhaust pipe of the air outlet of the range hood instead of being arranged inside the range hood, so that when the electrostatic device is disassembled and assembled, the tedious operations of disassembling and assembling the shell of a rack component of the range hood in advance are not needed, and the electrostatic device can be directly disassembled and assembled, so that the operation is simpler and more convenient.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and constitute a part of this specification, and together with the following detailed description , serve to explain the invention without limiting it.

Fig. 1 and 2 are schematic structural views of a range hood according to a specific embodiment of the present invention;

FIG. 3 is an assembled perspective view of the electrostatic device after installation in the check valve;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a perspective view of a check valve (with the check valve plate not shown);

FIG. 6 is a perspective view of a check valve;

FIG. 7 is a cross-sectional view of FIG. 6;

fig. 8 is an exploded view of the mounting case of the electrostatic device, not showing the wiring unit on the peripheral wall of the mounting case;

fig. 9 is a perspective view of the electrostatic module body;

FIG. 10 is an exploded view of FIG. 9;

fig. 11 is a cross-sectional view of an electrostatic module body;

FIG. 12 shows a snap-fit arrangement of the collector pin pole modules with the axial connection plate;

fig. 13 is a partial enlarged view of a portion a of fig. 12;

fig. 14 is an exploded view of a mounting case of the electrostatic device, showing a plurality of wiring units and a wiring cover on a peripheral wall of the mounting case.

Description of the reference numerals

1 smoke exhaust pipe 2 electrostatic device

3 rack assembly 4 oil cup

5 Filter screen 6 blower

7 check valve

21 mounting case 22 electrostatic module body

23 flexible sealing gasket 24 smoke tube connecting cover

25 smoke exhaust pipe connecting end, 26 check valve connecting end

211 wiring cover 212 wiring spring sheet

213 axial insertion groove 214 oil drain hole

215 terminal via hole 216 terminal

217 connecting lug plate 218 spacing groove

221 collect pin pole module 222 collect pin poles

223 th axial connecting plate of collection honeycomb electrode frame 224

225 second axial connecting plate 226 discharge honeycomb electrode frame

227 discharge pin module 228 discharge pin

229 axial connecting plate

241 inserting buckle 251 inserting groove

71 annular bearing platform for check valve plate 72

73 radial pivot 74 valve chamber

721 annular guide groove 722 oil drain hole

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, unless otherwise specified, the use of the directional terms such as "upper, lower, top, bottom" and "upper, lower, top, bottom" are generally used with respect to the directions shown in the drawings or the description of the positional relationship of the respective parts with respect to the vertical, vertical or gravitational direction, wherein the description of "front and rear" is that the upstream is the front and the downstream is the rear with respect to the flow direction of the soot in the range hood.

As shown in figures 1 and 2, the range hood comprises a rack assembly 3 with a built-in fan 6, a check valve 7 is arranged at the end of the rack assembly 3 to be connected with a smoke exhaust pipe, the range hood further comprises an electrostatic device 2, the electrostatic device 2 is detachably connected between the check valve 7 and the smoke exhaust pipe 1, oil adsorbed by the electrostatic device can fall back into an oil cup, and the smoke exhaust pipe is arranged to be directly mounted to the check valve after the electrostatic device is detached.

Because the electrostatic device 2 of the range hood is arranged between the check valve 7 of the air outlet of the range hood and the smoke exhaust pipe 1 instead of being arranged in the range hood, when the electrostatic device 2 is disassembled and assembled, tedious operations such as disassembling and assembling a shell of a rack component 3 of the range hood in advance are not needed, the electrostatic device 2 can be directly disassembled and assembled, so that the operation is simpler and more convenient, meanwhile, because the electrostatic device 2 is arranged at the rear end of the check valve 7 outside the rack component 3, when the range hood works, oil smoke is adsorbed by the electrostatic device 2 before entering the smoke exhaust pipe 1 and finally falls back to an oil cup 4 for collection , so that the oil smoke is prevented from being directly discharged to pollute the atmosphere, and before the process, the oil smoke enters from the air inlet of the range hood through the air inlet of the range hood, most of the range hood is filtered by a filter screen 5 of the range hood in advance, then centrifugally condensed by a fan 6 and enters the electrostatic device 2, therefore, before the oil smoke enters the electrostatic device 2 enters the rear end of the air outlet of the rack component 3, before the oil smoke enters the electrostatic device 2, part of the electrostatic device is adsorbed, and only part of the oil smoke flows to the filter screen 2 at the rear end, so that the electrostatic device 2, the electrostatic device 2 can be installed on the check valve 2, and the electrostatic device 2, so that the reliability can.

As the static device 2 of the range hood of the invention is novel in installation position, for this reason, the structure of the static device 2 is brand new structural forms, as shown in FIG. 3 and FIG. 4, the static device 2 comprises a cylindrical installation shell 21 with two open ends and a static module main body 22 arranged in the installation shell 21, two ends of the installation shell 21 are respectively connected with a check valve 7 and a smoke exhaust pipe 1. concretely, the shape and structure of the static device 2 are designed according to the actual structural shapes of the check valve 7 and the smoke exhaust pipe 1, for example, the static device 2 can be a cylindrical structure or a square frame structure, as shown in FIG. 2 and FIG. 3, since the connecting ends of the common check valve 7 and the smoke exhaust pipe 1 are both approximate cylindrical structures, therefore, the invention takes this as an example, namely, the static device 2 is developed by taking a cylindrical structure.

The detachable connection of the mounting housing 21 to the non-return valve 7 can be in many forms, such as a snap connection. In the present invention, preferably, the check valve connection end 26 of the mounting housing 21 is provided with a plurality of connection lug plates 217 spaced apart in the circumferential direction, and the mounting housing 21 can be fixed to the corresponding connection lug plate of the check valve 7 by the connection lug plate 217 thereof by a fastener such as a bolt, which is convenient to operate.

As shown in fig. 5 to 7, when the mounting housing 21 is mounted on the check valve 7, the check valve connection end 26 of the mounting housing 21 extends into the valve cavity of the check valve 7, the inner peripheral wall of the check valve 7 may be protruded with an annular platform 72 for receiving the filtered oil of the electrostatic device 2, the annular platform is formed with an annular guiding groove 721, and the bottom wall of the annular guiding groove 721 is provided with an oil drain hole 722 therethrough, so that the oil smoke adsorbed by the electrostatic device 2 can drip and collect in the annular guiding groove 721 receiving the check valve 7 of the electrostatic device 2, and then is discharged through the oil drain hole 722, then flows through the inner wall of the rack assembly 3 along the check valve 7, and finally drips into the oil cup 4.

, a radial pivot shaft 73 and two check valve plates 71 which pivot around the radial pivot shaft 73 and are symmetrically arranged relative to the radial pivot shaft 73 are arranged in the valve cavity of the check valve 7, and when the two check valve plates 71 cover the valve cavity 74, the upper surfaces of the check valve plates 71 are radially outward and downward inclined, therefore, when grease on the electrostatic device 2 drops downward, and when the grease drops to the upper surfaces of the check valve plates 71, because the upper surfaces of the check valve plates 71 are of a downward inclined structure, the grease can slide into the annular diversion grooves 721 along the inclined surfaces of the check valve plates 71, and the grease can be collected intensively.

In the working process of the range hood, in order to ensure the oil fume suction effect, the power of the fan 6 is often larger, as shown in fig. 1 and fig. 2, the mounting position of the electrostatic device 2 of the range hood disclosed by the invention is often higher, and if the mounting structure between the electrostatic device 2 and the smoke exhaust pipe 1 is not firm, the electrostatic device 2 is easy to swing along with the operation process of the fan 6, so that the whole mounting module is loosened, and meanwhile, the smoke exhaust pipe 1 is also shaken along with the swinging to generate larger noise. For this, preferably, as shown in fig. 8, the smoke exhaust pipe connecting end 25 of the installation housing 21 is provided with a smoke pipe connecting cover 24 for connecting with the smoke exhaust pipe 1, the smoke pipe connecting cover 24 is connected with the smoke exhaust pipe connecting end 25 in a snap-fit manner, and a flexible sealing gasket 23 is padded between the smoke pipe connecting cover 24 and the smoke exhaust pipe connecting end 25. The flexible sealing gasket 23 is arranged between the smoke pipe connecting cover 24 and the smoke exhaust pipe connecting end 25, and can effectively buffer the vibration and the noise of the electrostatic device 2, so that the smoke exhaust pipe 1 can be more stably arranged on the electrostatic device 2. The fastening connection mode can be a detachable connection mode of direct matching of the insertion buckle 241 on the smoke pipe connection cover 24 and the insertion groove 251 of the smoke exhaust pipe connection end 25 as shown in fig. 8, the insertion grooves 251 are uniformly distributed on the outer surface of the smoke exhaust pipe connection end 25 at intervals along the circumferential direction of the smoke exhaust pipe connection end 25, and after the insertion buckle 241 is installed in the insertion groove 251, the step at the bottom of the insertion buckle 241 rebounds outwards to form self-locking, so that the installation structure is reliable and stable.

In the electrostatic device 2 of the present invention, as shown in fig. 9 and 10, the electrostatic module main body 22 is installed in the cylindrical installation housing 21 described above, for which the electrostatic module main body 22 includes a cylindrical electrostatic collection module and a cylindrical electrostatic ionization module which are layered, the electrostatic ionization module includes a discharge honeycomb electrode frame 226 and a discharge needle electrode module 227 which are installed in pair, the electrostatic collection module includes a collection honeycomb electrode frame 223 and a collection needle electrode module 221 which are installed in pair, each of the discharge honeycomb electrode frame 226 and the collection honeycomb electrode frame 223 includes a plurality of honeycomb cells which are adjacently connected, the honeycomb cells include honeycomb column holes and electrode shrouds which surround the honeycomb column holes, the electrostatic collection module is provided with a plurality of collection needle electrodes 222 which are inserted into the plurality of honeycomb column holes of the collection honeycomb electrode frame 223 correspondingly, the electrostatic ionization module is provided with a plurality of discharge needle electrodes 228 which are inserted into the honeycomb column holes of the plurality of discharge honeycomb electrode frames 226 correspondingly, the electrostatic ionization module is provided with a plurality of discharge needle electrodes 228 which are inserted into the honeycomb column holes of the collection honeycomb electrode frame 223 correspondingly, the electrostatic ionization module is provided with , the electrostatic collection module 22 is a better electrostatic ionization effect, a better electrostatic ionization effect of the electrostatic ionization module is achieved, a better effect of the electrostatic ionization module and a better effect of the electrostatic ionization module is improved for absorbing soot, and a better effect of the present invention for further.

As shown in fig. 10, the electrostatic module body 22 further includes a plurality of axial connection plates 229 distributed at intervals in the circumferential direction, and the axial connection plates 229 axially connect the electrostatic collection modules and the electrostatic ionization modules and assemble the electrostatic collection modules and the electrostatic ionization modules into pieces in the axial direction.

In the process of assembling the electrostatic device 2, firstly, the electrostatic module main body 22 is assembled, and after the electrostatic module main body 22 is assembled, the electrostatic module main body is mounted on the mounting housing 21, so as to complete the assembly of the electrostatic device 2, wherein, the inner peripheral wall of the mounting housing 21 may be provided with a plurality of axial insertion grooves 213 corresponding to the axial connecting plates 229 , so that the electrostatic module main body 22 is inserted on the inner wall of the mounting housing 21 through the axial connecting plates 229, meanwhile, since the axial connecting plates 229 are arranged between the electrostatic module main body 22 and the mounting housing 21, a fixed gap is formed between the electrostatic module main body 22 and the mounting housing 21, thereby increasing the creepage distance of the electrostatic device 2, and effectively reducing the risk of creepage short circuit of the electrostatic device 2.

As shown in FIG. 11, the axial connection plates 229 include a plurality of th axial connection plates 224 and a plurality of second axial connection plates 225, the th axial connection plates 224 connect the discharging honeycomb electrode frames 226 and the collecting honeycomb electrode frames 223, the second axial connection plates 225 connect the discharging pin electrode modules 227 and the collecting pin electrode modules 221. generally, the range hood further includes a power supply, wherein of positive electrodes and negative electrodes of the power supply electrically connect the discharging honeycomb electrode frames 226 and the collecting honeycomb electrode frames 223, and the other electrically connects the discharging pin electrode modules 227 and the collecting pin electrode modules 221. by connecting different power supply polarities to the th axial connection plates 224 connecting the discharging honeycomb electrode frames 226 and the collecting honeycomb electrode frames 223 and the second axial connection plates 225 connecting the discharging pin electrode modules 227 and the collecting pin electrode modules 221, the phenomenon that oil stains climb through the axial connection plates 229 is effectively prevented.

Preferably, as shown in fig. 10 to 13, the axial connection plate 229 is snap-fit connected to both the electrostatic collection module and the electrostatic ionization module. Specifically, the snap-fit connection between the collecting pin pole module 221 and the second axial connecting plate 225 in fig. 12 and 13 is taken as an example for description, wherein a mounting slot is arranged on a mounting frame of the collecting pin pole 222 of the collecting pin pole module 221, and a boss structure which extends towards the inner side of the electrostatic collecting module and can clamp the mounting slot is arranged on the second axial connecting plate 225.

In addition, as shown in fig. 14, a wiring unit is further provided on the peripheral wall of the mounting housing 21, the wiring unit includes wiring elastic pieces 212, wiring through holes 215 radially penetrating the peripheral wall of the mounting housing 21, and terminals 216 protruding from the peripheral wall, the terminals 216 are electrically connected to the power source, ends of the wiring elastic pieces 212 are fixed to the terminals 216, and the other ends are electrically connected to the electrostatic module main body 22 through the wiring through holes 215.

The peripheral wall of the mounting shell 21 is provided with a plurality of wiring units corresponding to the discharging honeycomb electrode frame 226, the collecting honeycomb electrode frame 223, the discharging pin electrode module 227 and the collecting pin electrode module 221 , and a spacing groove 218 or a spacing wall is formed between adjacent wiring units.

Meanwhile, the electrostatic device 2 further includes a wiring cover 211, and the wiring cover 211 is detachably mounted on the peripheral wall of the mounting case 21 and covers the wiring unit. The wiring cover 211 covers the plurality of wiring units, and plays a role in blocking and protecting the circuit of the electrostatic device 2, preventing the high-voltage electric wiring from being exposed, and playing a role in safety protection.

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 specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

The utility model provides a kind lampblack absorber, the lampblack absorber includes frame subassembly (3) of built-in fan (6), and the tip of this frame subassembly (3) is equipped with check valve (7) in order to connect the fume pipe, its characterized in that, the lampblack absorber still includes electrostatic devices (2), electrostatic devices (2) detachably connect check valve (7) with between the pipe (1) of discharging fume, discharge fume pipe (1) set up to be can electrostatic devices (2) pull down the back direct mount extremely check valve (7), electrostatic devices (2) include both ends open-ended tube-shape installation shell (21) and set up static module main part (22) in installation shell (21), the both ends of installation shell (21) are connected respectively check valve (7) with pipe (1) of discharging fume, check valve (26) of installation shell (21) stretch into in the valve intracavity of check valve (7), the internal perisporium protrusion of check valve (7) has the cyclic annular cushion cap (72) that is used for accepting the oil strain of electrostatic devices (722) is formed, this cyclic annular cushion cap (721) is provided with the water conservancy diversion groove (721), and this cyclic annular oil drain hole (721) is provided with the adsorption tank (721), and this oil drain cup (721) is provided with the lead to the oil drain.
2. A range hood, according to claim 1, characterized in that the check valve connection end (26) of the mounting housing (21) is provided with a plurality of connection lugs (217) distributed at intervals in the circumferential direction.
3. The range hood according to claim 1, characterized in that a radial pivot shaft (73) and two check valve plates (71) which pivot around the radial pivot shaft (73) and are symmetrically arranged relative to the radial pivot shaft (73) are arranged in a valve cavity (74) of the check valve (7), and when the valve cavity (74) is covered by the two check valve plates (71), the upper surfaces of the check valve plates (71) are radially outward and downward inclined.
4. A range hood as claimed in claim 1, characterized in that the smoke exhaust pipe connecting end (25) of the installation shell (21) is provided with a smoke pipe connecting cover (24) for connecting with the smoke exhaust pipe (1), the smoke pipe connecting cover (24) is connected with the smoke exhaust pipe connecting end (25) in a buckling manner, and a flexible sealing gasket (23) is arranged between the smoke pipe connecting cover (24) and the smoke exhaust pipe connecting end (25).
5. A range hood as claimed in any of claims 1-4, wherein the electrostatic module body (22) comprises a stack of cylindrical electrostatic collection and electrostatic ionization modules, the electrostatic ionization module comprising a discharge honeycomb electrode frame (226) and a discharge pin module (227) mounted in pairs, the electrostatic collection module comprising a collection honeycomb electrode frame (223) and a collection pin module (221) mounted in pairs, the discharge honeycomb electrode frame (226) and collection honeycomb electrode frame (223) each comprising a plurality of honeycomb cells adjacently joined, the honeycomb cells comprising honeycomb pillar holes and electrode shrouds surrounding the honeycomb pillar holes, the electrostatic collection module being provided with a plurality of collection pin electrodes (222) inserted correspondingly into the plurality of honeycomb pillar holes of the collection honeycomb electrode frame (223), the ionization module being provided with a plurality of pin discharge electrodes (228) inserted correspondingly into the honeycomb pillar holes of the plurality of discharge honeycomb electrode frames (226).
6. A range hood as claimed in claim 5, characterized by the fact that said electrostatic module body (22) further comprises a plurality of axial connection plates (229) circumferentially spaced apart, said axial connection plates (229) axially connecting said electrostatic collection module and electrostatic ionization module.
7. A hood according to claim 6, characterized in that the inner peripheral wall of the mounting shell (21) is provided with a plurality of axial slots (213) corresponding to the axial webs (229) .
8. A hood as in claim 6, characterized in that said axial connection plates (229) comprise a plurality of -th axial connection plates (224) and a plurality of second axial connection plates (225), said -th axial connection plates (224) connecting said discharge honeycomb electrode frame (226) and said collection honeycomb electrode frame (223), said second axial connection plates (225) connecting said discharge pin modules (227) and said collection pin modules (221);

wherein, the lampblack absorber includes the power, in the positive electrode and the negative electrode of power connect electrically the honeycomb electrode frame of discharging (226) and collect honeycomb electrode frame (223), connect electrically the needle pole module of discharging (227) and collect needle pole module (221) in addition.
9. A range hood as claimed in claim 8, characterized in that a wiring unit is further provided on the peripheral wall of the mounting housing (21), the wiring unit comprises a wiring spring (212), a wiring through hole (215) penetrating the peripheral wall of the mounting housing (21) in a radial direction, and a terminal (216) protruding from the peripheral wall, the terminal (216) is electrically connected to the power supply, end of the wiring spring (212) is fixed on the terminal (216), and another end is electrically connected to the electrostatic module main body (22) through the wiring through hole (215) inwards.