CN216149283U - Novel fuel cell air filter - Google Patents

Abstract

The utility model relates to a novel fuel cell air filter, which comprises an upper shell, a lower shell and a filtering structure, wherein one side of the upper shell is connected with the lower shell through a hinge, the other three sides of the upper shell are provided with connecting buckles, the upper shell is clamped with a clamping seat of the lower shell through a clamping head of the upper shell, the top surface of the upper shell is provided with an air inlet, the bottom surface of the lower shell is provided with an air outlet, and the air inlets and the air outlets of the upper shell and the lower shell are respectively provided with a dustproof protection net; filtration includes the filter core, supports the bearing structure of filter core, and fixed filter core is connected the clamping piece on the casing down and has the fan of wind-guiding effect, and the interference compresses tightly there is PU polyurethane joint strip between filter core and the bearing structure, and the fan is fixed in the bearing structure through being connected with the motor. The utility model has a certain adsorption and filtration effect on other volatile organic compounds except particles, and has the advantages of low wind resistance, good air purification effect, high filtration efficiency, convenient disassembly and replacement of the filter element, simple integral structure of the filter, convenient cleaning and high durability.

Description

Novel fuel cell air filter

Technical Field

The utility model relates to the technical field of air purification, in particular to a novel fuel cell air filter.

Background

With the increasing population density, the increasing industrial production and the emission of automobile exhaust, the quality of the surrounding air is sharply reduced. In order to reduce air pollution and improve air quality, people adopt various methods to purify air and eliminate harmful substances in the air. Conventional air purifying and filtering devices generally use a combination of filter layers of fiber cloth such as electrostatic cotton, melt-blown fabric, non-woven fabric, etc. to purify air. On one hand, the thicker filter layer can generate larger wind resistance, and has larger influence on the wind speed and the air purification efficiency; on the other hand, because the accommodation capacity of particle pollutants is small, after a period of time of use, the filter effect is affected due to reasons such as dust enrichment and adsorption saturation, and the filter element is usually required to be replaced. In addition, the conventional air purifying and filtering device usually adds powdered or granular activated carbon adsorption material in the middle of the fiber cloth by coating or adhering. However, the filtration function is single, and the removal of volatile organic substances such as formaldehyde is difficult. Therefore, it is an important technical problem to be solved by those skilled in the art to simplify the assembly process of the air cleaner, maintain the filtering efficiency of the air cleaner, enhance the filtering function of the filter element, prolong the durability of the air cleaner, and facilitate the inspection and replacement of the filter element.

For example, patent CN208287684U discloses a detachable air filter plate of utility model, which adopts a particle filter plate, an activated carbon filter plate to match with an air aromatic agent plate, and selects different plates to filter air according to different requirements, but the contact area between the plate and the air is limited, the efficiency of filtering air is not improved, the resistance of the filter structure is large, and the utilization of the space is incomplete. Patent CN 211500835U discloses an automobile air cleaner convenient to remove dust, including the filter casing, and the upper end of filter casing is equipped with fixed frame and stop gear, and the paper filter core is wavy arranging the casing cavity in, and this patent sets up detachable filter paper for the maintenance of filter becomes simpler, convenient, nevertheless adopts filter core filtering capability singleness, and the filter effect is limited, and double-deck filter paper structure probably causes great windage, produces wind and makes an uproar. Patent CN 211370582U discloses and a novel air cleaner structure, including last casing, lower casing and filter core, go up the casing and seal through the adhesive tape down between the casing, be provided with the bearing structure down on the casing, the filter core passes through the bearing structure to be fixed under on the casing to improve the practicality of filter, but equipment structure is complicated, need when going wrong to unpack whole filter apart the inspection, parts such as filter core are changed inconveniently, do not have too big improvement to the adsorption effect of filter core.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an air purification filter, which solves the problems of single function, poor filtering effect, low efficiency, large wind resistance of a filtering structure and complex structure when air is filtered, and the flip structure is convenient for the inspection and replacement of a filter element, prolongs the service life and improves the practicability.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a novel fuel cell air cleaner, includes casing, lower casing and filtration, goes up the hinge connection for one side between casing and the lower casing, and three side-mounting connection buckles in addition, through the dop of last casing and the cassette looks joint of casing down, go up casing top surface installation air intake, casing bottom surface installation air outlet down, go up the casing, the air intake and the air outlet department of casing down all install the dust protection net down. Filtration includes the filter core, supports the bearing structure of filter core, and fixed filter core is connected the clamping piece on the casing down and has the fan of wind-guiding effect, and the interference compresses tightly between filter core and the bearing structure has PU polyurethane joint strip, and the fan is fixed in the bearing structure through being connected with the motor. The filter element is a filter element which is formed by mixing functional adsorption filtering materials, adhesives, supporting materials and the like and then extruding the mixture into a wall-flow honeycomb structure.

Preferably, the upper casing top surface and the lower casing bottom surface are respectively provided with an opening, the positions of the openings correspond to the cavities one by one, the two openings are respectively an air inlet and an air outlet, a dustproof protection net is arranged in the air inlet and the air outlet, and the area of the dustproof protection net accounts for more than 80% of the area of the upper casing top surface or the lower casing bottom surface.

Preferably, the main materials of the upper shell and the lower shell are high-strength PP plastic bodies.

Preferably, the thickness of the upper housing wall is slightly greater than the thickness of the lower housing wall. Further preferably, the inner edge of the upper shell wall is pressed against the edge of the filter element.

Preferably, the clamping piece for fixing the filter element is a high-elasticity hard metal piece, one end of the clamping piece is fixed on the wall of the lower shell through a screw, and the position of the other end of the clamping piece is adjusted through rotation to fix the filter element.

Preferably, the filter element is formed by mixing a functional adsorption filtering material, an adhesive, a supporting material and the like and extruding the mixture into a wall-flow honeycomb structure. The functional adsorption material is active carbon, modified active carbon, molecular sieve, manganese oxide, cerium oxide, cobalt oxide and the like.

Preferably, the interference compresses tightly between filter core and the bearing structure has PU polyurethane joint strip, and joint strip thickness is highly relevant with the filter core, and further preferred, the filter core height flushes with lower casing top surface height.

Preferably, the main material of bearing structure is the high strength PP plastic body, and the structure is quadrangle frame and two support bars of diagonal connection.

Preferably, the fan is fixed at the intersection position of the two supporting bars through being connected with the motor.

Compared with the prior art, the utility model has the beneficial effects that:

a. the utility model solves the problem of complicated structure by completely new integral design of the traditional filter, avoids the problem of larger wind resistance caused by a multilayer structure through an integrally formed filter element, only arranges a sealing structure, avoids the phenomenon of poor sealing caused by multiple sealing, presses a PU polyurethane sealing rubber strip in an interference manner, physically plays a role of axial sealing, can avoid the phenomenon of poor sealing of the integral product, adopts a high-strength PP plastic body as a shell, avoids the problem of metal corrosion, reduces the weight of the product and reduces the cost.

b. According to the utility model, the dust screen of the upper shell is used for preliminarily filtering particle dust in the air, so that the filter element blockage caused by the fact that larger particles and dust in the air enter the filter element is avoided, the filtering efficiency is improved, the honeycomb filter element not only filters and adsorbs fine particles and dust containing oil in the air, but also has a certain adsorption and decomposition effect on harmful substances such as formaldehyde, the air pollution turbidity is reduced, and the air quality is improved.

c. The wall-flow type honeycomb filter element is adopted, the contact area of the filter element and air is increased, the purification efficiency is improved, sufficient gaps are reserved among all parts of the filter structure, the air circulation speed is ensured, the wind resistance is greatly reduced, and the wind noise is reduced. The filter element material is a filter element which is formed by mixing functional adsorption filtering materials such as activated carbon, modified activated carbon, molecular sieve, manganese oxide, cerium oxide, cobalt oxide and the like, adhesive, supporting material and the like and then extruding the mixture into a wall-flow honeycomb structure. Besides the particulate dust, the filter core has a certain purification effect on volatile organic compounds such as formaldehyde and the like, and the adsorption function of the filter core is enhanced.

d. The upper shell is hinged with the lower shell, and the upper shell is convenient to open and close through the matched buckle and the clamping seat, so that not only can internal parts of the filtering structure be protected, but also the internal parts of the filtering structure can be conveniently checked and maintained.

e. The small fan is arranged at the air outlet, so that the air-guiding filter has the advantages of air guiding function, improved filtering speed, large contact area between the filter element and air, small air resistance of the honeycomb porous structure filter element, almost no air resistance of the dust screen to air and improved filtering efficiency.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention.

Fig. 2 is a schematic view of the open configuration of the present invention.

Fig. 3 is a top view of the top of the lower housing of the present invention.

Fig. 4 is a top view of the bottom of the lower housing of the present invention.

Fig. 5 is an enlarged view of a portion of the snap member of the present invention.

Figure 6 is a front view of the supporting structural member of the present invention.

Fig. 7 is a schematic cross-sectional view of the present invention.

Fig. 8 is an air flow diagram of the cartridge of the present invention.

In the figure: 1. an upper housing; 11. the upper shell is provided with a dustproof protection net; 2. buckling; 21, clamping a head; 22. a card holder; 3. a hinge; 4. a lower housing; 5. a filter structure; 51. a filter element; 52. Sealing rubber strips; 53. a supporting structure 6 and a clamping piece; 61. a screw; 7. a fan; 8. a motor; 41. the dustproof protection net of lower casing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are merely illustrative of the utility model and are not intended to be limiting.

As shown in fig. 1-7, the novel fuel cell air filter of the utility model comprises an upper shell 1, a lower shell 4 and a filtering structure 5, wherein one side between the upper shell 1 and the lower shell 4 is hinged by a hinge 3, the connecting buckles 2 are arranged on the other three sides and are clamped with the clamping seat 22 of the lower shell 4 through the clamping head 21 of the upper shell 1, the upper shell 1 is hinged with the lower shell 4 through the arranged hinge 3, the upper shell 1 and the lower shell 4 can be opened at a certain angle by matching the arranged clamping head 21 and the clamping seat 22, the opening and closing operation of the upper shell 1 is convenient, the internal parts of the filtering structure 5 can be protected, the inspection and maintenance operation of the internal parts of the filtering structure 5 is convenient, simultaneously be convenient for go up the washing of casing dustproof protection net 11, go up 1 top surface air intake of casing and install dustproof protection net 11, increase air area of contact effectively completely cuts off great particulate matter and dust in the air and enters into. In the filtration 5, avoid the jam of filter core 51 in the filtration 5, improve filtration efficiency, dustproof protection network 41 is installed to 4 bottom surfaces of casing down, and still have certain guard action to fan 7 in entering into filtration 5 except great particulate matter and dust in the effective isolated air, avoid causing bodily injury because of careless fan 7 of contact operation in, filtration 5 is including filtering filter core 51, supports filter core 51's bearing structure 53, and fixed filter core 51 is connected clamping piece 6 and the fan 7 that has the wind-guiding effect on casing 4 down, filter core 51 sets up to functional filtration adsorbing material and gluing agent, support material etc. mix extrusion's filter core, is cellular porous column structure, has the characteristics that the windage is little, the filter effect is good, bearing structure 53 constitutes through quadrangle frame and two criss-cross support bars, can not influence the wind speed when supporting filter core 51, the clamping piece 6 is the elastic metal piece, one end is fixed in 4 walls of casing down through screw 61, through the fixed filter core 51 of rotatory adjustment other end position, moreover, the steam generator is simple in structure, but repetitious usage, fixed effect accessible is adjusted the sheetmetal, the interference compresses tightly PU polyurethane joint strip 52 between filter core 51 and the bearing structure 53, play the effect of axial seal physically, can avoid whole product bad phenomenon to appear sealing, fan 7 is fixed on bearing structure 53 through being connected with motor 8, through the operation of fan 7, improve the wind speed, strengthen the filter effect, go up casing 1 and casing 4 main material down and be the high strength PP plastomer, avoid the problem of metal corrosion, lighten product weight, the thickness of going up casing 1 wall slightly is greater than the thickness of casing 4 walls down, go up the inboard edge of casing 1 wall and press in filter core 51 edge.

When in use, the motor 8 is connected with a power supply to enable the fan 7 to rotate, the air inlet on the top surface of the upper shell 1 is used for enabling the air to be filtered and purified to enter the filtering structure 5, the dust-proof protection net 11 is arranged for filtering and adsorbing fine particles and dust contained in the air, thereby reducing the air pollution turbidity and improving the air quality, the honeycomb-shaped porous filter element 51 is used for absorbing and filtering peculiar smell, toxic gas and molecules in the air, reducing harmful substances in the air, improving the purifying and filtering effect, further improving the air quality, discharging the filtered and purified air from the air outlet with the dust-proof protection net 41, effectively preventing the larger particles and dust in the air from entering the filtering structure 5, simultaneously avoiding personal injury caused by careless contact with the fan 7 in operation, improving the efficiency and improving the safety, when needs are to wash or the dismouting to last casing 1 and filtration 5, through the hinge 3 that sets up, dop 21 and cassette 22 that the cooperation set up make go up casing 1 and casing 4 and can open certain angle, open and go up casing 1, wash last casing 1's dust protection net 11, the position of the rotatory clamping piece removal one end of clamping piece 6 that the cooperation set up takes out filtration filter core 51 to the completion is to the filter core 51 dismouting in the filtration 5 or wash the change.

In conclusion, the air filter structure solves the problems that the existing air filter structure is inconvenient to assemble and disassemble, low in purification efficiency and difficult to replace the filter element through the upper shell 1, the lower shell 4, the hinge 3, the clamping head 21, the clamping seat 22, the dustproof protection net 11, the filter element 51, the bearing structure 53, the clamping piece 6 and the fan 7. The utility model can be applied to fuel cells for filtering air.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A novel fuel cell air filter comprises an upper shell (1) and a lower shell (4), and is characterized in that the upper shell (1) is hinged with one side of the lower shell (4) through a hinge (3), the other three sides of the upper shell are clamped with a clamping seat (22) of the lower shell (4) through a clamping head (21) of the upper shell (1), a filtering structure (5) of the novel fuel cell air filter comprises a filtering filter element (51), a bearing structure (53), clamping pieces (6) and a fan (7), the bearing structure (53) consists of a quadrilateral frame and two crossed supporting bars, the clamping pieces (6) are elastic metal pieces, one end of each clamping piece is fixed on the wall of the lower shell (4) through a screw (61), the other end of each clamping piece (51) is fixed through rotary adjustment, and a PU polyurethane sealing rubber strip (52) is pressed between the filter element (51) and the bearing structure (53) in an interference manner, the fan (7) is connected and fixed on the bearing structure (53) through the motor (8).

2. The novel fuel cell air cleaner as claimed in claim 1, wherein the wall thickness of the upper housing (1) is greater than the wall thickness of the lower housing (4), and the inner edge of the wall of the upper housing (1) is pressed against the edge of the filter element (51).

3. The novel fuel cell air filter as claimed in claim 1, wherein the filter element (51) is a cylindrical filter element with a honeycomb porous structure, and is formed by mixing and extruding functional filtering and adsorbing materials, adhesives and supporting materials.

4. The novel fuel cell air filter as claimed in claim 1, wherein a PU polyurethane sealing rubber strip (52) is compressed between the filter element (51) and the supporting structure (53) in an interference manner, so that the height of the top surface of the filter element is flush with that of the top surface of the lower shell.

5. The novel fuel cell air filter as claimed in claim 1, wherein the supporting structure is made of high-strength PP plastic, and has a quadrilateral frame and two support bars connected diagonally; the fan is connected with the motor and fixed at the intersection position of the two supporting bars.

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