Efficient low-resistance eagle wing type active electrostatic-assisted fresh air handling unit filter section for building

Abstract

The invention discloses a high-efficiency low-resistance eagle wing type active electrostatic-assisted fresh air handling unit filter section for a building, and relates to the technical field of air purification equipment. Comprising a shell, a pre-drying, pre-filtering and negative ion integrated section, a first pipe wall dust collecting section, an eagle wing type high-voltage electrostatic filtering section, a second pipe wall dust collecting section and an optional function module are sequentially and fixedly arranged in the shell in the direction from an air inlet to an air outlet, and the pre-drying, pre-filtering and negative ion integrated section is located at the air inlet; the selectable function module is located at the air outlet. The double effects of high filtering efficiency and low wind resistance can be achieved, intercepting and killing of microorganisms are more efficient, the overall structure belongs to modular configuration, and multiple functions can be achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of air purification equipment, and in particular to a high-efficiency, low-resistance eagle-wing type active electrostatically assisted filter section of a fresh air unit for buildings. Background Art

[0002] The filtration systems used in existing building fresh air systems include: non-woven fabric structure filtration systems, electrostatic electret filtration systems, and systems equipped with electrostatic precipitators or negative ion dust removal systems.

[0003] The non-woven filter system generally uses a combination of primary filter, medium filter and high efficiency filter. When configured, they are arranged in sequence along the air flow direction. The primary and medium filter have good filtering effects on medium and large particles, and the high efficiency filter has good filtering effects on small particles. However, the filter structure is dense and the pores are small. Although the filtration efficiency is high, the filtration resistance is large, the dust holding capacity of the filter is limited, and frequent replacement is required, which has high energy consumption and cost. In addition, it only has an interception effect on microorganisms but no killing effect, which is easy to cause secondary pollution. Ultraviolet light is often used to kill bacteria.

[0004] The electrostatic electret filter is made of dielectric materials that can store space charges and dipole charges for a long time. In addition to the general mechanical filtering function, it can capture dust by using the Coulomb force generated by its own charge, which can greatly improve the capture of fine particles, and can also capture, inhibit and kill microorganisms. Compared with the high-efficiency filter, the filtration efficiency of the electrostatic electret filter is improved, the filtration resistance is smaller, and the dust holding capacity is increased. However, the electrostatic electret filter has the problem of stored charge consumption and dissipation. Its filtration efficiency will decrease with time, and the filter material replacement cycle will increase. Although the charging module can be added, it also increases the complexity and maintenance cost of the equipment. It is generally used together with a non-woven structure filter system.

[0005] Electrostatic precipitator ionizes gas to produce positive ions and negative ions. After dust captures negative ions, it migrates to the positive plate under the action of electric field force. It has good removal efficiency for fine particles and low resistance. However, its structure is complex, management and maintenance are relatively complex, and it is greatly affected by the environment such as temperature and humidity. It has a sterilization effect and is often used together with a non-woven fabric structure filter system.

[0006] Negative ion dust removal uses the adsorption and sedimentation of negative ions to purify the air. Its advantage is that it does not require the use of filters, avoiding filter replacement and clogging problems, and has a sterilizing effect. However, artificially generated negative ions may produce derivatives such as ozone and nitrogen oxides, and their filtration efficiency is limited, so they are often used in conjunction with filters.

[0007] The existing fresh air filtration system cannot take into account the dual optimization of filtration efficiency and wind resistance. It is necessary to add a sterilization module separately to realize the sterilization function, which increases the structural complexity and maintenance difficulty. Therefore, it is necessary to provide a high-efficiency, low-resistance eagle-wing type active electrostatically assisted building fresh air unit filter section to solve the above problems. Summary of the invention

[0008] The main purpose of the present invention is to provide a high-efficiency, low-resistance eagle-wing type active electrostatically assisted building fresh air unit filter section to solve the problems existing in the prior art.

[0009] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0010] A high-efficiency, low-resistance hawk-wing-shaped active electrostatically assisted filter section of a fresh air unit for buildings comprises a shell, wherein a pre-drying, pre-filtration and negative ion integrated section, a first tube wall dust collecting section, a hawk-wing-shaped high-voltage electrostatic filter section, a second tube wall dust collecting section and an optional functional module are sequentially fixedly arranged inside the shell along the direction from the air inlet to the air outlet, wherein the pre-drying, pre-filtration and negative ion integrated section is located at the air inlet, and the optional functional module is located at the air outlet.

[0011] Furthermore, the pre-drying, pre-filtration and negative ion integrated section includes a moisture collecting net, and a velvet-type matrix negative ion generator or a needle-type matrix negative ion generator connected to the moisture collecting net.

[0012] Furthermore, the velvet matrix negative ion generator includes a folded conductive pre-filter and a velvet negative ion matrix component. The folded conductive pre-filter is connected to a ground wire, one side of which is connected to the velvet negative ion matrix component through an insulating support frame, and the folded conductive pre-filter is kept at least 2 cm away from the end of the velvet head; the velvet negative ion matrix component includes a velvet negative ion generating head, a velvet head supporting connecting wire, and a metal frame. The metal frame is connected to a negative high-voltage static power source for supplying static electricity to the velvet negative ion generating head, and insulating bases are provided at the upper and lower ends of the metal frame;

[0013] The needle-shaped matrix negative ion generator is provided with a pleated or flat metal pre-filter on the windward side, a matrix-arranged needle-shaped negative ion generating head is provided in the middle, and a metal orifice plate is provided at the rear end; the metal pre-filter and the metal orifice plate are grounded through a grounding wire; the needle-shaped negative ion generating head is connected to a positive high-voltage static power source, and the needle tip is located at the center of the hole on the metal orifice plate; the needle-shaped negative ion generating head is kept at least 2 cm away from the edge of the hole of the metal orifice plate.

[0014] Furthermore, the moisture-collecting net is made of one or both of moisture-collecting fiber felt and moisture-collecting woven net fabric.

[0015] Furthermore, the shell portion corresponding to the first tube wall dust collecting section is formed by assembling a large piece group and a small piece group, and the tube wall formed by the large piece group and the small piece group is connected to a dust collecting core material through an internal frame, and the large piece group or the small piece group is connected to a grounding ring, and the structure of the second tube wall dust collecting section is the same as that of the first tube wall dust collecting section.

[0016] Furthermore, the eagle-wing-shaped high-voltage electrostatic filtration section includes an insulating side groove frame and an eagle-wing-shaped metal frame component. The insulating side groove frame is arranged close to the inner wall of the shell, and an ultra-loose three-dimensional filter material is arranged inside the eagle-wing-shaped metal frame component. The insulating side groove frame is provided with a groove structure, and the eagle-wing-shaped metal frame component is connected to the insulating side groove frame through the groove structure.

[0017] Furthermore, the insulating side groove frame includes two relatively arranged insulating side plates, and two grooves are arranged on the relatively side walls of the two insulating side plates. The upper groove is the first groove, and the lower groove is the second groove. The eagle-wing-shaped metal frame component is connected to the first groove and the second groove.

[0018] Furthermore, a spring sheet is embedded in the upper surface of the first groove, a positive high-voltage power supply access copper conductor is embedded in the lower surface of the first groove, and a grounding copper conductor is embedded in the lower surface of the second groove. A main high-voltage line channel and multiple high-voltage power supply line channels are arranged on the side wall of the insulating side plate close to the shell. The positive high-voltage power supply access copper conductor is connected to the main high-voltage line channel through multiple high-voltage power supply line channels. The high-voltage power supply line channel passes through the insulating side plate. The high-voltage power supply line channel corresponds to the position of the positive high-voltage power supply access copper conductor. The main high-voltage line channel is used to access the high-voltage power supply. A grounding wire channel is arranged on the insulating side plate, and the grounding copper conductor is connected to the grounding wire inside the grounding wire channel.

[0019] Furthermore, the eagle-wing shaped metal frame component includes an insulating support plate and an eagle-wing metal mesh. Two of the insulating support plate and two of the eagle-wing metal mesh are provided. The upper and lower sides of the two insulating support plates are respectively connected to an eagle-wing metal mesh. The spacing between the two eagle-wing metal meshes is 1-25mm. The two ends of the upper eagle-wing metal mesh are respectively connected to the two first grooves, and the two ends of the lower eagle-wing metal mesh are respectively connected to the two second grooves.

[0020] Furthermore, the optional functional module includes one or more of a fragrance dispersion device, a humidification device, and a heating or cooling device.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. High filtration efficiency and low wind resistance are achieved together.

[0023] 2. Complete efficient interception and killing of microorganisms.

[0024] 3. Modular configuration realizes multiple functions.

[0025] 4. The eagle-wing-shaped high-voltage electrostatic filter section can be adapted to thicker filter materials, and can reduce the relative wind speed and improve the filtration efficiency through the eagle-wing shape design.

[0026] The pre-drying, pre-filtration and negative ion integrated section provide high-concentration and wide-coverage negative ions, promote the sedimentation and adsorption of air pollutants, and kill some pathogenic microorganisms. The first tube wall dust collection section and the second tube wall dust collection section can be disassembled and cleaned to increase the dust holding capacity. The eagle-wing high-voltage electrostatic filtration section has ultra-loose three-dimensional filter material, and the application of high-voltage static electricity can capture fine particles, hold dust, and efficiently kill pathogenic microorganisms. Therefore, the present invention has high filtration efficiency, realizes efficient interception and killing of microorganisms, and does not use a dense filter structure, and has low wind resistance. At the same time, optional functional modules are set up, including one or more of a fragrance dispersion device, a humidification device, a heating or cooling device, and each section works together to achieve functions that are not limited to efficient dust holding filtration, sterilization, air purification, and humidification. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an overall schematic diagram of a high-efficiency, low-resistance eagle-wing type active electrostatically assisted building fresh air unit filter section in the present invention.

[0028] Figure 2 It is a schematic diagram of the pre-drying, pre-filtration and negative ion integrated section in the present invention.

[0029] Figure 3 It is a schematic diagram of the first tube wall dust collecting section in the present invention.

[0030] Figure 4 It is a front view of the insulating side plate in the present invention.

[0031] Figure 5 It is a side view of the insulating side plate in the present invention.

[0032] Figure 6 It is a rear view of the insulating side plate of the present invention.

[0033] Figure 7 It is a schematic diagram of the eagle wing type metal frame component in the present invention.

[0034] Figure 8 It is a schematic diagram of the needle-shaped matrix negative ion generator in the present invention.

[0035] Among them, 1-pre-drying, pre-filtration and negative ion integrated section; 11-air inlet; 12-air outlet; 13-shell; 101-humidity collection net; 102-velvet type negative ion matrix component; 103-folded conductive pre-filter; 104-metal frame; 105-grounding wire; 106-insulating support frame; 107-high-voltage static power source; 108-velvet type matrix negative ion generator; 109-insulating base; 110-metal pre-filter; 111-needle type matrix negative ion generator; 112-needle type negative ion generating head; 113-metal orifice plate; 2 -First tube wall dust collecting section; 201-large piece group; 202-small piece group; 203-dust collecting core material; 204-inner frame; 205-grounding ring; 3-eagle wing type high voltage electrostatic filtration section; 301-insulating side slot frame; 302-eagle wing type metal frame component; 303-insulating support plate; 304-eagle wing metal mesh; 305-high voltage power line channel; 306-reed; 307-positive high voltage power supply access copper conductor; 308-grounding copper conductor; 309-grounding line channel; 4-second tube wall dust collecting section; 5-optional functional module. DETAILED DESCRIPTION

[0036] The technical solution of the present invention is further described below through the accompanying drawings and embodiments.

[0037] Example 1

[0038] Combination Figure 1-8 The present invention provides a high-efficiency, low-resistance hawk-wing type active electrostatically assisted building fresh air unit filter section, including a shell 13, the shell 13 is made of insulating material, and the shell 13 is fixedly provided with a pre-drying, pre-filtration and negative ion integrated section 1, a first tube wall dust collecting section 2, a hawk-wing type high-voltage electrostatic filtration section 3, a second tube wall dust collecting section 4 and an optional functional module 5 in sequence along the direction from the air inlet 11 to the air outlet 12. The pre-drying, pre-filtration and negative ion integrated section 1 is located at the air inlet 11, and the optional functional module 5 is located at the air outlet 12.

[0039] The pre-drying, pre-filtration and negative ion integrated section 1 is placed at the front end of the fresh air unit pipeline, and is used for filtering large particles and releasing negative ions, including a moisture collection net 101, and a velvet-type matrix negative ion generator 108 or a needle-type matrix negative ion generator 111 connected to the moisture collection net 101.

[0040] The moisture collecting net 101 is used to reduce the air humidity and protect the normal and stable operation of the negative ion generator; the folded conductive pre-filter component and the velvet matrix negative ion generator 108 or the needle matrix negative ion generator 111 work together to provide high-concentration and large-coverage negative ions, promote the sedimentation and adsorption of air pollutants, and kill some pathogenic microorganisms.

[0041] The velvet matrix negative ion generator 108 includes a folded conductive pre-filter 103 and a velvet negative ion matrix component 102. The folded conductive pre-filter 103 is connected to a grounding wire 105, and one side of the folded conductive pre-filter is connected to the velvet negative ion matrix component 102 via an insulating support frame 106. The folded conductive pre-filter 103 maintains a distance of at least 2 cm from the end of the velvet. The velvet negative ion matrix component 102 includes a velvet negative ion generating head 1021, a velvet supporting connecting wire 1022, and a metal frame 104. The metal frame 104 is connected to a negative high-voltage static power source 107 for supplying static electricity to the velvet negative ion generating head 1021. An insulating base 109 is provided at the upper and lower ends of the metal frame.

[0042] The needle-shaped matrix negative ion generator 111 is provided with a pleated or flat metal pre-filter 110 on the windward side, a matrix-arranged needle-shaped negative ion generating head 112 is provided in the middle, and a metal perforated plate 113 is provided at the rear end; the metal pre-filter 110 and the metal perforated plate 113 are grounded through a grounding wire 105; the needle-shaped negative ion generating head 112 is connected to a positive high-voltage static power source 107, and the needle tip is located at the center of the hole on the metal perforated plate 113; the needle-shaped negative ion generating head 112 and the edge of the hole of the metal perforated plate 113 are kept at least 2 cm apart.

[0043] The moisture collection net 101 is made of one or both of moisture collection fiber felt and moisture collection woven mesh fabric. In this embodiment, the moisture collection net 101 is made of moisture collection fiber felt.

[0044] The shell 13 portion corresponding to the first tube wall dust collecting section 2 is formed by the assembly of a large piece group 201 and a small piece group 202. The integrated shell 13 portion is convenient for disassembly and cleaning or maintenance of the internal structure; the tube wall formed by the large piece group 201 and the small piece group 202 is connected to a dust collecting core material 203 through an inner frame 204, and a grounding ring 205 is connected to the large piece group 201 or the small piece group 202. The structure of the second tube wall dust collecting section 4 is the same as that of the first tube wall dust collecting section 2.

[0045] The first tube wall dust collecting section 2 and the second tube wall dust collecting section 4 have dust collecting core materials attached to the pipe wall, which are used to absorb and contain part of the dust in the dust-laden air. They are placed on both sides of the eagle-wing-shaped high-voltage electrostatic filter section 3 of the fresh air unit and can be disassembled and cleaned to increase the dust holding capacity. The dust collecting core materials can be optionally made of wavy sponge pads.

[0046] The eagle-wing-shaped high-voltage electrostatic filtration section 3 is an eagle-wing active electrostatic air purification zone, including an insulating side groove frame 301 and an eagle-wing-shaped metal frame component 302. The insulating side groove frame 301 is arranged close to the inner wall of the shell 13, and the insulating side groove frame 301 and the shell 13 can be sealed with rubber leather. An ultra-loose three-dimensional filter material is arranged inside the eagle-wing-shaped metal frame component 302, and a groove structure is arranged on the insulating side groove frame 301. The eagle-wing-shaped metal frame component 302 is connected to the insulating side groove frame 301 through the groove structure.

[0047] The insulating side groove frame 301 includes two insulating side plates arranged opposite to each other, and two grooves are arranged on the opposite side walls of the two insulating side plates. The upper groove is the first groove, and the lower groove is the second groove. The eagle-wing metal frame component 302 is connected to the first groove and the second groove.

[0048] A spring sheet 306 is embedded in the upper surface of the first groove, and the spring sheet 306 is used to fix the insulating side groove frame 301. A positive high-voltage power supply access copper conductor 307 is embedded in the lower surface of the first groove, and a grounding copper conductor 308 is embedded in the lower surface of the second groove. A main high-voltage line channel and a plurality of high-voltage power line channels 305 are provided on the side wall of the insulating side plate close to the shell. The positive high-voltage power supply access copper conductor 307 is connected to the main high-voltage line channel through the plurality of high-voltage power line channels 305. The high-voltage power line channels 308 are grounded. 5 penetrates the insulating side plate, the high-voltage power supply line channel 305 corresponds to the position of the positive high-voltage power supply access copper conductor 307, and the main high-voltage line channel is used to access the high-voltage power supply. In this embodiment, the setting of the main high-voltage line channel facilitates the access of the high-voltage power supply to multiple high-voltage power supply line channels 305 and reduces the occurrence of arc discharge. A grounding line channel 309 is provided on the insulating side plate, and the grounding copper conductor 308 is connected to the grounding wire inside the grounding line channel 309, and the grounding line 309 does not penetrate the insulating side plate.

[0049] The eagle-wing-shaped metal frame component 302 includes an insulating support plate 303 and an eagle-wing metal mesh 304. Two of the insulating support plates 303 and two of the eagle-wing metal mesh 304 are provided. The upper and lower sides of the two insulating support plates 303 are respectively connected to an eagle-wing metal mesh 304. The two ends of the upper eagle-wing metal mesh 304 are respectively connected to the two first grooves, and the two ends of the lower eagle-wing metal mesh 304 are respectively connected to the two second grooves.

[0050] In this embodiment, power supply ear wings are provided on both sides of the eagle-wing metal mesh 304; the power supply ear wings at both ends of the eagle-wing metal mesh 304 arranged on the upper side can be inserted into the first groove of the insulating side groove frame 301 and connected to the high-voltage static power source; the power supply ear wings at both ends of the eagle-wing metal mesh 304 arranged on the lower side can be inserted into the second groove of the insulating side groove frame 301 and grounded.

[0051] The insulating side groove frame 301 can be connected to a plurality of eagle-wing-shaped metal frame components 302, preferably 1-4. The positive high-voltage power supply access copper conductors 307 connected to different eagle-wing-shaped metal frame components 302 in the first groove are separated and arranged, and the high-voltage power supply is connected by wires through multiple separated positive high-voltage power supply access copper conductors 307. The grounding copper conductor 308 in the second groove is connected to the ground wire through the grounding wire channel 309, so that an electric field is formed in the eagle-wing-shaped metal frame component 302.

[0052] The optional function module 5 includes one or more of a fragrance dispersion device, a humidification device, a heating or cooling device, and the specific function can be selected according to the actual needs of the user.

[0053] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A high-efficiency, low-resistance eagle-wing type active electrostatically assisted building fresh air unit filter section, characterized in that: The invention comprises a shell (13), wherein a pre-drying, pre-filtering and negative ion integrated section (1), a first tube wall dust collecting section (2), an eagle wing type high-voltage electrostatic filtration section (3), a second tube wall dust collecting section (4) and an optional functional module (5) are fixedly arranged in sequence inside the shell (13) along the direction from the air inlet (11) to the air outlet (12), wherein the pre-drying, pre-filtering and negative ion integrated section (1) is located at the air inlet (11), and the optional functional module (5) is located at the air outlet (12).

2. The high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 1, characterized in that: The pre-drying, pre-filtration and negative ion integrated section (1) comprises a moisture collecting net (101), and a velvet-type matrix negative ion generator (108) or a needle-type matrix negative ion generator (111) connected to the moisture collecting net (101).

3. A high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 2, characterized in that: The velvet-type matrix negative ion generator (108) comprises a folded conductive pre-filter (103) and a velvet-type negative ion matrix component (102); the folded conductive pre-filter (103) is connected to a grounding wire (105), one side of which is connected to the velvet-type negative ion matrix component (102) via an insulating support frame (106); the folded conductive pre-filter (103) is spaced at least 2 cm from the end of the velvet; the velvet-type negative ion matrix component (102) comprises a velvet-type negative ion generating head (1021), a velvet supporting connecting wire (1022), and a metal frame (104); the metal frame (104) is connected to a negative high-voltage static power source (107) for supplying static electricity to the velvet-type negative ion generating head (1021); and insulating bases (109) are provided at the upper and lower ends of the metal frame; The needle-shaped matrix negative ion generator (111) is provided with a pleated or flat metal pre-filter (110) on the windward side, a matrix-arranged needle-shaped negative ion generating head (112) is provided in the middle, and a metal orifice plate (113) is provided at the rear end; the metal pre-filter (110) and the metal orifice plate (113) are grounded via a grounding wire (105); the needle-shaped negative ion generating head (112) is connected to a positive high-voltage static power source (107), and the needle tip is located at the center of a hole on the metal orifice plate (113); and the needle-shaped negative ion generating head (112) and the edge of the hole of the metal orifice plate (113) are at least 2 cm apart.

4. A high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 2, characterized in that: The moisture collection net (101) is made of one or both of moisture collection fiber felt and moisture collection woven net fabric.

5. The high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 1, characterized in that: The shell (13) portion corresponding to the first tube wall dust collecting section (2) is formed by assembling a large sheet group (201) and a small sheet group (202); a dust collecting core material (203) is connected to the tube wall formed by the large sheet group (201) and the small sheet group (202) via an inner frame (204); a grounding ring (205) is connected to the large sheet group (201) or the small sheet group (202); and the structure of the second tube wall dust collecting section (4) is the same as that of the first tube wall dust collecting section (2).

6. The high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 1, characterized in that: The eagle-wing-shaped high-voltage electrostatic filter section (3) comprises an insulating side groove frame (301) and an eagle-wing-shaped metal frame component (302); the insulating side groove frame (301) is arranged close to the inner wall of the shell (13); an ultra-loose three-dimensional filter material is arranged inside the eagle-wing-shaped metal frame component (302); a groove structure is arranged on the insulating side groove frame (301); and the eagle-wing-shaped metal frame component (302) is connected to the insulating side groove frame (301) via the groove structure.

7. A high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 6, characterized in that: The insulating side groove frame (301) comprises two insulating side plates arranged opposite to each other, and two grooves are arranged on the opposite side walls of the two insulating side plates, the groove arranged on the upper side is the first groove, and the groove arranged on the lower side is the second groove, and the eagle-wing-shaped metal frame component (302) is connected to the first groove and the second groove.

8. A high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 7, characterized in that: A spring sheet (306) is embedded in the upper surface of the first groove, a positive high-voltage power supply access copper conductor (307) is embedded in the lower surface of the first groove, and a grounding copper conductor (308) is embedded in the lower surface of the second groove. A main high-voltage line channel and a plurality of high-voltage power supply line channels (305) are arranged on the side wall of the insulating side plate close to the shell. The positive high-voltage power supply access copper conductor (307) is connected to the main high-voltage line channel through the plurality of high-voltage power supply line channels (305). The high-voltage power supply line channel (305) passes through the insulating side plate. The high-voltage power supply line channel (305) corresponds to the position of the positive high-voltage power supply access copper conductor (307). The main high-voltage line channel is used to access the high-voltage power supply. A grounding line channel (309) is arranged on the insulating side plate. The grounding copper conductor (308) is connected to the grounding wire inside the grounding line channel (309).

9. A high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 8, characterized in that: The eagle-wing-shaped metal frame component (302) comprises an insulating support plate (303) and an eagle-wing metal mesh (304), two of each of the insulating support plate (303) and the eagle-wing metal mesh (304), one eagle-wing metal mesh (304) is connected to the upper side and the lower side of each of the two insulating support plates (303), a spacing between the two eagle-wing metal meshes (304) is 1-25 mm, two ends of the eagle-wing metal mesh (304) arranged on the upper side are respectively connected to two first grooves, and two ends of the eagle-wing metal mesh (304) arranged on the lower side are respectively connected to two second grooves.

10. The high-efficiency, low-resistance hawk-wing active electrostatically assisted building fresh air unit filter section as claimed in claim 1, characterized in that: The optional functional module (5) includes one or more of a fragrance dispersion device, a humidification device, and a heating or cooling device.

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