Air filter applied to electronic cabin of airplane

Abstract

The utility model discloses an air filter applied to an electronic cabin of an airplane. The air filter comprises an outer frame and a middle component, the outer frame comprises a U-shaped mounting frame with a first glue accommodating groove and a top mounting frame with a second glue accommodating groove; the first glue containing groove comprises a bottom frame at the bottom, side frames arranged at the left end and the right end of the bottom frame and first folded edges arranged at the front end and the rear end of the bottom frame. The second glue containing groove comprises a top frame at the top, installation edges arranged at the left end and the right end of the top frame and second folded edges arranged at the front end and the rear end of the top frame. The top mounting frame is connected with the side frames of the U-shaped mounting frame through the mounting edges; the middle assembly is installed in the outer frame, the left end and the right end of the middle assembly abut against the inner surfaces of the side frames, and the middle assembly comprises a filter element; and adhesives are arranged between the upper surface of the filter element and the top frame and between the lower surface of the filter element and the bottom frame. The filter element is quick, simple and convenient to mount, a filter element with a larger size can be mounted when the size of the outer frame is fixed, and the filtering efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field, especially a kind of air filter applied to aircraft electronic cabin. BACKGROUND

[0002] The existing air filter generally adopts the following structure, including a frame, the inside of the frame is embedded with filter core, hot melt adhesive is used between filter core and frame to fix, in order to improve efficiency, more using machine glue injection mode.

[0003] The existing technical means is to embed filter core in frame, glue injection gap and glue injection hole are left between frame and filter core, then glue injection is set to glue injection. This method requires that a certain gap must be left between frame and filter core as glue tank, when the size of frame is fixed, filter core cannot be made larger. SUMMARY

[0004] The utility model aims at at least one of the technical problems existing in prior art. For this purpose, the utility model provides a kind of air filter applied to aircraft electronic cabin, this air filter can complete the installation of filter core and frame without pre-reserving glue injection hole, in the case where the size of frame is certain, larger filter core can be selected, greatly improve filtering effect, and the installation of the air filter is more simple and fast.

[0005] According to the air filter applied to aircraft electronic cabin of the utility model embodiment, it includes: frame and middle component;The frame includes U-shaped mounting frame and top mounting frame;The U-shaped mounting frame has first glue tank, and the first glue tank includes bottom edge frame in bottom, side edge frame set in the left and right ends of bottom edge frame and first folding edge set in the front and rear ends of bottom edge frame;The top mounting frame has second glue tank, and the second glue tank includes top edge frame in top, mounting edge set in the left and right ends of top edge frame and second folding edge set in the front and rear ends of top edge frame;The top mounting frame is connected with the side edge frame of the U-shaped mounting frame by the mounting edge;The middle component is installed in the inside of the frame, and the left and right ends of the middle component abut on the inner surface of the side edge frame, and the middle component includes filter core;Adhesive is arranged between the upper surface of filter core and top edge frame and between the lower surface of filter core and bottom edge frame.

[0006] The air filter applied to the electronic cabin of an airplane has at least the following beneficial effects: the first glue containing groove is surrounded by a bottom frame, a side frame and a first folding edge, the adhesive is filled into the first glue containing groove, then the middle component is placed into the U-shaped mounting frame, the left and right ends of the middle component are tightly attached to the side frame of the left and right ends of the first glue containing groove, the lower part of the middle component is attached to the bottom frame through the adhesive, the side frame constitutes part of the first glue containing groove and simultaneously serves as the frame of the left and right sides of the outer frame, after the middle component and the U-shaped mounting frame are connected together, the top mounting frame is turned over by 180 degrees, the opening of the second sol gel groove faces upward, the adhesive is filled into the second sol gel groove, then the middle component and the U-shaped mounting frame of the previous step are turned over by 180 degrees and attached to the top mounting frame through the adhesive, finally, the top mounting frame is connected to the U-shaped mounting frame through the mounting edge, the air filter is quick and convenient to install, the side frame directly serves as part of the glue containing groove, the glue injection gap is saved, when the size of the outer frame is certain, the air filter can install a larger size filter core, and the filtering efficiency is improved.

[0007] According to some embodiments of the present application, the filter core comprises a non-woven fabric in a pleated shape and a plurality of partitions, the non-woven fabric has a spacing between adjacent pleated layers, and the partitions are arranged in the spacing between adjacent pleated layers.

[0008] According to some embodiments of the present application, the middle component further comprises a protective net, and the protective net is arranged on the front and back surfaces of the filter core.

[0009] According to some embodiments of the present application, the protective net is a diamond-shaped net.

[0010] According to some embodiments of the present application, the installation assembly is provided with four groups, and is arranged around the outer frame for detachable connection with external equipment.

[0011] According to some embodiments of the present application, the installation assembly comprises a cushion block and a hook, one surface of the cushion block is connected to the outer frame, and the other surface is connected to the hook.

[0012] According to some embodiments of the present application, the side frame is provided with a third folding edge bent towards the middle part, and the third folding edge, the first folding edge and the second folding edge jointly limit the front and back movement of the middle component.

[0013] According to some embodiments of the present application, a sealing assembly is arranged at the rear part of the outer frame.

[0014] According to some embodiments of the present application, the sealing assembly comprises a sealing strip, which is adapted to the contour of the outer frame and tightly fits around the edges of the rear part of the outer frame.

[0015] According to some embodiments of the present application, the adhesive is a hot melt adhesive.

[0016] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings in which:

[0018] Figure 1 FIG. 1 is a schematic view of an air filter applied to an electronic cabin of an airplane according to an embodiment of the present application;

[0019] Figure 2 FIG. 2 is an exploded schematic view of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application; Figure 1 FIG. 3 is a schematic view of a non-woven fabric of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application;

[0020] Figure 3 FIG. 4 is a schematic view of a baffle of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application; Figure 1 FIG. 5 is a schematic view of a diamond mesh of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application;

[0021] Figure 4 FIG. 6 is a schematic view of a protective mesh of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application; Figure 1 FIG. 7 is a schematic view of a half sectional view of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application.

[0022] Figure 5 FIG. 8 is a schematic view of a half sectional view of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application. Figure 1 FIG. 9 is a schematic view of a half sectional view of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application.

[0023] Figure 6 FIG. 10 is a schematic view of a half sectional view of the air filter applied to the electronic cabin of the airplane according to the embodiment of the present application. Figure 1 BRIEF DESCRIPTION OF DRAWINGS

[0024] DETAILED DESCRIPTION

[0025] ​The embodiments of the present application are described below in detail, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0026] In the description of the present application, it should be understood that, if the orientation description, such as left, right and the like, is described, the orientation or position relationship shown in the drawings is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0027] In the description of the present application, if the first, second, etc. are described, they are only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the sequence of technical features indicated.

[0028] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting and the like should be broadly understood, and the skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0029] Reference Figure 1 With Figure 2 The air filter applied to the electronic cabin of an airplane provided by the present application comprises an outer frame and a middle assembly 300; the outer frame comprises a U-shaped mounting frame 100 and a top mounting frame 200; the U-shaped mounting frame 100 is provided with a first glue containing groove, and the first glue containing groove comprises a bottom edge frame 110 at the bottom, side edge frames 120 arranged at the left and right ends of the bottom edge frame 110, and first folded edges 130 arranged at the front and rear ends of the bottom edge frame 110; the top mounting frame 200 is provided with a second glue containing groove, and the second glue containing groove comprises a top edge frame 210 at the top, mounting edges 220 arranged at the left and right ends of the top edge frame 210, and second folded edges 230 arranged at the front and rear ends of the top edge frame 210; the top mounting frame 200 is connected with the side edge frames 120 of the U-shaped mounting frame 100 through the mounting edges 220; the middle assembly 300 is installed inside the outer frame, the left and right ends of the middle assembly 300 abut against the inner surfaces of the side edge frames 120, and the middle assembly 300 comprises a filter element 310; the upper surface of the filter element 310 and the top edge frame 210 and the lower surface of the filter element 310 and the bottom edge frame 110 are both provided with an adhesive.

[0030] The first adhesive containing groove is surrounded by the bottom frame 110, the side frame 120 and the first folding edge 130, the adhesive is filled into the first adhesive containing groove, then the middle assembly 300 is placed into the U-shaped mounting frame 100, the left and right ends of the middle assembly 300 are tightly attached to the side frames 120 at the left and right ends of the first adhesive containing groove, the lower part of the middle assembly 300 is attached to the bottom frame 110 through the adhesive, the side frame 120 not only constitutes a part of the first adhesive containing groove, but also serves as the frame at the left and right sides of the outer frame, after the middle assembly 300 and the U-shaped mounting frame 100 are connected together, the top mounting frame 200 is turned over by 180 degrees, the opening of the second adhesive containing groove faces upward, the adhesive is filled into the second adhesive containing groove, then the middle assembly 300 in the previous step is turned over by 180 degrees together with the U-shaped mounting frame 100 and is attached to the top mounting frame 200 through the adhesive, finally the top mounting frame 200 is connected with the U-shaped mounting frame 100 through the mounting edge 220, the utility model is installed quickly and conveniently, the side frame is directly used as a part of the adhesive containing groove, the glue injection gap is saved, when the size of the outer frame is certain, the utility model can install the filter core with larger size, and the filtering efficiency is improved.

[0031] Specifically, the adhesive is first filled into the first adhesive containing groove of the U-shaped mounting frame 100, then the filter core 310 is installed into the U-shaped mounting frame 100, the lower surface of the filter core 310 is attached to the bottom frame 110 through the adhesive, the left and right ends of the filter core 310 are respectively abutted with the side frames 120 at the two ends, then the top mounting frame 200 is rotated by 180 degrees, the opening of the second adhesive containing groove faces upward, the adhesive is filled into the second adhesive containing groove of the top mounting frame 200, then the filter core 310 and the U-shaped mounting frame 100 are rotated by 180 degrees and are installed with the top mounting frame 200, the upper surface of the filter core 310 is attached to the top frame 210 through the adhesive, finally the top mounting frame 200 and the U-shaped mounting frame 100 are installed together through the mounting edge 220.

[0032] In certain embodiments, reference is made to Figure 1 、 Figure 3 、 Figure 4 and Figure 6 The filter core 310 comprises the non-woven fabric 311 in a pleated shape and a plurality of partition plates 312, the adjacent pleated layers 311a of the non-woven fabric 311 have a spacing, and the partition plates 312 are arranged in the spacing between the adjacent pleated layers 311a. The non-woven fabric 311 arranged in a pleated shape increases the filtering area of the filter core 310, the partition plates 312 support the non-woven fabric 311, and the adjacent pleated layers 311a of the non-woven fabric 311 are not adhered to each other.

[0033] Specifically, the non-woven fabric 311 is in a pleated shape with up-and-down folds, the partition plate 312 is inserted between the adjacent pleated layers 311a, and the partition plate 312 is in a sheet wave shape, the convex of the wave-shaped partition plate 312 is close to the adjacent pleated layer 311a of the non-woven fabric 311, which not only supports the non-woven fabric 311, but also reduces the air resistance as much as possible, so that the air can pass through the concave gap of the partition plate 312.

[0034] It is conceived that, in some embodiments of the present application, the partition plate 312 can also be in a sheet shape, and the two surfaces of the partition plate 312 are provided with protruding points in an alternating manner, so that the protruding points abut against the adjacent pleated layer 311a, which can also support the non-woven fabric 311 and reduce air resistance.

[0035] It is understood that, in some embodiments of the present application, the partition plate 312 can also be composed of a plurality of hollow cylinders connected in a cylindrical shape, the outer surfaces of the hollow cylinders are connected in a row to form the partition plate 312, the outer wall of the hollow cylinder abuts against the adjacent pleated layer 311a to play a supporting role, and at the same time, the air can pass through the inside of the hollow cylinder or the gap outside the hollow cylinder to reduce air resistance.

[0036] In some embodiments, referring to Figure 1 and Figure 5 The middle assembly 300 further comprises a protective net 320, which is arranged on the front and back surfaces of the filter element 310 to protect the filter element 310.

[0037] Specifically, after the adhesive is injected on the surface of the bottom frame 110 of the U-shaped mounting frame 100, the protective net 320 and the filter element 310 are jointly installed into the U-shaped mounting frame 100, and finally the top mounting frame 200 is installed, and the top mounting frame 200 and the U-shaped mounting frame 100 are fixedly connected through the mounting edge 220. The first folded edge 130 at the front and back ends of the bottom frame 110 and the second folded edge 230 at the front and back ends of the top frame 210 constitute part of the glue containing groove, and at the same time, the front and back movements of the protective net 320 and the filter element 310 are limited, so that the whole device is more firm.

[0038] It is conceived that, in some embodiments of the present application, the protective net 320 can also not be jointly installed into the outer frame with the filter element 310, but can be installed outside the front and back ends of the outer frame after the filter element 310 is installed into the outer frame, and the protective net 320 and the outer frame can be connected together by welding or riveting, which can also protect the filter element 310.

[0039] In some embodiments, referring to Figure 5 The protective net 320 is a diamond-shaped net 321, which is more firm and durable, and at the same time, the air resistance is reduced.

[0040] It is conceived that, in some embodiments of the present application, the protective net 320 can also be a circular net, a square net, a triangular net or various other shaped nets, as long as it can protect the filter element 310.

[0041] In some embodiments, with reference to Figure 1 With Figure 2 It also comprises a mounting assembly 400, which is provided with four groups, respectively arranged at the four perimeters of the outer frame, for detachable connection with external equipment.

[0042] Specifically, after the present application is assembled, it is installed at a position for filtration, and the mounting assembly 400 is used to connect and fix the present application with external equipment, and the connection is detachable, which is convenient for replacement at any time.

[0043] It is conceived that, in some embodiments of the present application, two groups or three groups of mounting assemblies 400 can also achieve detachable connection with external equipment, or five groups, six groups or even more groups of mounting assemblies 400 can be provided, as long as detachable connection of the outer frame with external equipment is achieved.

[0044] In some embodiments, with reference to Figure 1 With Figure 2 The mounting assembly 400 comprises a cushion block 410 and a hook 420, one side of the cushion block 410 is connected with the outer frame, and the other side is connected with the hook 420. The increase or decrease of the cushion block 410 can change the position of the outer frame relative to the external equipment, which is convenient for adjustment.

[0045] Specifically, the cushion block 410 is a cuboid, one side of which is connected with the hook 420, and the other opposite side is connected with the outer frame. The four hooks 420 around the outer frame are of the same size, and can be mass-produced using the same mold, while the cushion block 410 can be made of different thicknesses. By replacing the cushion block 410 of different thicknesses or increasing or decreasing the number of cushion blocks 410 between the hook 420 and the outer frame, the relative position of the outer frame relative to the external equipment can be changed, so that the mounting assembly 400 can be adapted to more sizes of filters or external equipment, achieving the purpose of saving cost.

[0046] It is conceived that, in some embodiments of the present application, the cushion block 410 is a column with a triangular cross section or other shapes, as long as it can connect the hook 420 and the outer frame.

[0047] In some embodiments, with reference to Figure 1 With Figure 2 The side frame 120 is provided with a third folded edge 121 bent towards the middle part, and the third folded edge 121, together with the first folded edge 130 and the second folded edge 230, limits the forward and backward movement of the middle assembly 300.

[0048] Specifically, after the adhesive is injected into the first glue groove, the middle assembly 300 is placed into the opening of the U-shaped mounting frame 100 under the guidance of the third folding edge 121, so that the lower part of the middle assembly 300 is connected to the bottom frame 110 through the adhesive, at this time, the left and right ends of the middle assembly 300 are limited by the side frames 120, and the front and back directions are limited by the first folding edge 130 and the third folding edge 121, then the top mounting frame 200 is connected to the U-shaped mounting frame 100 through the mounting edge 220, and the top frame 210 is connected to the middle assembly 300 through the adhesive, at this time, the second folding edge 230, the first folding edge 130 and the third folding edge 121 jointly limit the front and back movement of the middle assembly 300.

[0049] In some embodiments, referring to Figure 1 With Figure 2 Further comprising a sealing assembly 500 arranged at the rear part of the outer frame, which serves to seal the gap between the external device and the filter, and also serves as an elastic buffer during installation.

[0050] Specifically, the sealing assembly 500 is arranged at the rear part of the outer frame, when the utility model is installed with the external device, the installation assembly 400 can tighten the utility model and the external device, at this time, the sealing assembly 500 is tightly attached to the external device and elastically deformed, the sealing assembly 500 fills the gap between the utility model and the external device, preventing part of the air from directly escaping from the gap between the outer frame and the external device without passing through the filter element 310.

[0051] It is conceivable that in some embodiments of the utility model, the sealing assembly 500 can also be installed on the external device first, and then the rear part of the outer frame is pressed tightly with the sealing assembly 500, which can also achieve the purpose of sealing the gap between the external device and the filter and the elastic buffer effect during installation.

[0052] In some embodiments, referring to Figure 2 With Figure 6 The sealing assembly 500 comprises a sealing strip 510, which is adapted to the contour of the outer frame and tightly attached to the four peripheral edges of the rear part of the outer frame, which serves to seal the gap between the external device and the filter, and also serves as an elastic buffer during installation.

[0053] Specifically, the sealing strip 510 is a long strip with a rectangular cross section, and there are four of them, which are respectively arranged at the four peripheral edges of the rear part of the outer frame, and the four sealing strips 510 are connected at the head and tail to form a rectangular ring adapted to the contour of the outer frame.

[0054] It is conceivable that in some embodiments of the utility model, the sealing strip 510 is a rectangular ring, and the sealing strip 510 is connected to the four peripheral edges of the rear part of the outer frame.

[0055] In some embodiments, the adhesive is a hot melt adhesive, which seals the gap between the filter element 310 and the outer frame and adheres the filter element 310 to the outer frame.

[0056] It is conceivable that in some embodiments of the present application, the adhesive can also be of other types, as long as it has a certain fluidity before setting and can prevent air from passing after setting.

[0057] The technical features of the above embodiments can be combined in any manner. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the present application.

[0058] Of course, the present application is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. An air filter for use in an electronic bay of an aircraft, the air filter comprising: Comprising: an outer frame and a middle assembly (300); the outer frame comprises a U-shaped mounting frame (100) and a top mounting frame (200); the U-shaped mounting frame (100) has a first glue-containing groove, which comprises a bottom edge frame (110) at the bottom, side edge frames (120) at the left and right ends of the bottom edge frame (110), and first folding edges (130) at the front and back ends of the bottom edge frame (110); the top mounting frame (200) has a second glue-containing groove, which comprises a top edge frame (210) at the top, mounting edges (220) at the left and right ends of the top edge frame (210), and second folding edges (230) at the front and back ends of the top edge frame (210); the top mounting frame (200) is connected to the side edge frames (120) of the U-shaped mounting frame (100) through the mounting edges (220); the middle assembly (300) is installed inside the outer frame, the left and right ends of the middle assembly (300) abut the inner surfaces of the side edge frames (120), and the middle assembly (300) comprises a filter core (310); an adhesive is arranged between the upper surface of the filter core (310) and the top edge frame (210), and between the lower surface of the filter core (310) and the bottom edge frame (110).

2. The air filter for the electronic cabin of an airplane according to claim 1, wherein the filter core (310) comprises a pleated non-woven fabric (311) and a plurality of partitions (312), the pleated non-woven fabric (311) has intervals between adjacent pleat layers (311a), and the partitions (312) are arranged in the intervals between adjacent pleat layers (311a).

3. The air filter for the electronic cabin of an airplane according to claim 1, wherein the middle assembly (300) further comprises protective nets (320) arranged on the front and back surfaces of the filter core (310).

4. The air filter for the electronic cabin of an airplane according to claim 3, wherein the protective nets (320) are diamond-shaped nets (321).

5. The air filter for use in the electronic bay of an aircraft of claim 1, wherein, Further comprising: a mounting assembly (400) arranged in four groups and arranged around the outer frame for detachable connection with external devices.

6. The air filter for the electronic cabin of an airplane according to claim 5, wherein the mounting assembly (400) comprises a cushion block (410) and a hook (420), one surface of the cushion block (410) is connected to the outer frame, and the other surface is connected to the hook (420).

7. The air filter for the electronic cabin of an airplane according to claim 1, wherein the side edge frames (120) are provided with third folding edges (121) bent towards the middle, and the third folding edges (121), the first folding edges (130), and the second folding edges (230) jointly limit the forward and backward movement of the middle assembly (300).

8. An air filter for use in an electronic bay of an aircraft as defined in claim 7, wherein, Further comprising: a sealing assembly (500) arranged at the back of the outer frame.

9. The air filter for use in the electronic bay of an aircraft according to claim 8, characterized in that, said sealing assembly (500) comprises a sealing strip (510) which is adapted to the profile of said outer frame and which is tightly fitted to the four peripheral edges of the rear portion of said outer frame.

10. The air filter for use in the electronic bay of an aircraft according to claim 1, characterized in that, said adhesive is a hot-melt glue.

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