Air filter air inlet box for hydrogen fuel cell system
By designing a multi-layer filter system and an air filter intake box for hydrogen fuel cell system combined with a resistance alarm, the problem that the existing technology hollow filter intake box cannot effectively filter impurities is solved, and more efficient air filtration and more Low maintenance costs.
Patent Information
- Application Number
- CN202420977012.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The existing hydrogen fuel cell system uses air filter intake box to filter the air, and some impurities still enter the battery system after filtering the air, resulting in blockage and poor use.
A air filter intake box for hydrogen fuel cell system was designed, which includes a multi-layer filter system, including a filter, a coarse filter plate, a honeycomb filter element and a fine filter plate. Combined with a resistance alarm, it automatically detects and alarms impurities accumulation, which is convenient. Replace the filter assembly.
Through the combination of a multi-layer filter system and a resistance alarm, the cleanliness of air is significantly improved, the service life of the filter assembly is extended, maintenance costs are reduced, and the operation efficiency of the hydrogen fuel cell system is improved.
Smart Images

Figure CN222468403U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of air filter intake boxes, and in particular relates to an air filter intake box for a hydrogen fuel cell system. Background Art
[0002] Hydrogen fuel cells are the core components of fuel cell vehicles, and their performance directly affects the use of the entire vehicle. Factors that affect fuel cell performance include fuel cell structural characteristics and material characteristics such as membrane electrode, fluid structure, and platinum catalyst performance. Among them, the platinum catalyst conditions not only affect the internal moisture distribution of the stack and the ionic conductivity of the membrane, but also affect the internal fuel gas pressure distribution and thus affect the transfer effect. Therefore, if the air entering the hydrogen stack contains impurities, it will affect the operating parameters and reaction effects.
[0003] The existing air filter intake box for hydrogen fuel cell system still has some defects. After filtering the air, some impurities still enter the interior of the battery system in most air filter intake boxes. In addition, the service life is short and the maintenance cost is increased during use. Workers are required to check the device frequently to prevent blockage and affect use. For this reason, we propose an air filter intake box for hydrogen fuel cell system. Utility Model Content
[0004] The purpose of the utility model is to provide an air filter intake box for a hydrogen fuel cell system, so as to solve the problem in the above-mentioned background technology that most of the air filter intake boxes still have some impurities entering the interior of the battery system after filtering the air, and it is not easy to get blocked, thereby affecting the use effect.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air filter air intake box for a hydrogen fuel cell system, comprising a box body, one end of the box body is provided with an air outlet, the top of the box body is provided with a fixed cover, the outer side of the fixed cover is provided with a clamping block, the outer side of the box body is provided with a buckle, the surface of the fixed cover is provided with an air inlet, the interior of the air inlet is provided with a filter screen, the inner side of the box body is provided with a clamping groove, the inner side of the box body is provided with a fixed frame, the upper inner side of the fixed frame is provided with a coarse filter plate, the lower inner side of the fixed frame is provided with a honeycomb filter element, the outer side of the fixed frame is provided with a first slider, the inner side of the box body is provided with a connecting frame, the inner side of the connecting frame is provided with a fine filter plate, the outer side of the connecting frame is provided with a second slider, and a resistance alarm is provided at one end of the box body.
[0006] Preferably, an air outlet is fixedly opened at one end of the box body, a fixed cover is installed on the top of the box body, blocks are fixedly installed on the four outer sides of the fixed cover, buckles are fixedly installed on the four outer sides of the box body, and the blocks and buckles are connected by snap-fit.
[0007] Preferably, an air inlet is fixedly opened on the surface of the fixed cover, and there are multiple air inlets. A filter is fixedly installed inside the air inlet. A card slot is fixedly opened on the inner side of the box body, and there are two card slots, which are arranged on both sides of the inside of the box body.
[0008] Preferably, a coarse filter plate is fixedly installed on the upper inner side of the fixed frame, and a honeycomb filter element is fixedly installed on the lower inner side of the fixed frame.
[0009] Preferably, a first sliding block is fixedly mounted on the outer side of the fixing frame, and the first sliding block is slidably engaged in the inner side of the engaging groove.
[0010] Preferably, a fine filter plate is fixedly installed on the inner side of the connecting frame, and a second slider is fixedly installed on the outer side of the connecting frame. The second slider is slidably clamped inside the card slot, and a resistance alarm is installed at one end of the box body near the air outlet. One end of the resistance alarm extends to the interior of the box body, close to the inner side of the air outlet.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. Through the resistance alarm, when more impurities are attached to the surface of the filter component in the box body, affecting the air circulation inside the box body, the resistance alarm will detect the difference in air resistance inside the box body, and automatically alarm to remind the staff to replace the filter component inside the box body. Through the provided card slot, second slider and first slider, it is easy to disassemble and install the internal filter component, thereby improving the use effect.
[0013] 2. The filter can block and isolate large pieces of dust and foreign matter in the air inlet. The honeycomb filter element can absorb odor molecules in the air. The coarse filter plate can filter large harmful dust in the air to prevent it from flowing into the battery system and causing damage. The fine filter plate can extract and absorb fine particles in the air that is about to enter the air outlet, allowing fully clean air to flow from the air outlet to the hydrogen fuel cell system. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall explosion structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the top structure of the utility model;
[0016] Figure 3 It is a schematic diagram of the overall structure of the utility model.
[0017] In the figure: 1. box body; 2. air outlet; 3. fixed cover; 4. block; 5. buckle; 6. air inlet; 7. filter; 8. slot; 9. fixed frame; 10. coarse filter plate; 11. honeycomb filter element; 12. first slider; 13. connecting frame; 14. fine filter plate; 15. second slider; 16. resistance alarm. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-3 The utility model provides a technical solution: an air filter air intake box for a hydrogen fuel cell system, comprising a box body 1, an air outlet 2 is provided at one end of the box body 1, a fixing cover 3 is provided on the top of the box body 1, a clamping block 4 is provided on the outer side of the fixing cover 3, a buckle 5 is provided on the outer side of the box body 1, an air inlet 6 is provided on the surface of the fixing cover 3, a filter screen 7 is provided inside the air inlet 6, a clamping groove 8 is provided on the inner side of the box body 1, a fixing frame 9 is provided on the inner side of the box body 1, a coarse filter plate 10 is provided on the upper inner side of the fixing frame 9, a honeycomb filter element 11 is provided on the lower inner side of the fixing frame 9, a first slider 12 is provided on the outer side of the fixing frame 9, a connecting frame 13 is provided on the inner side of the box body 1, a fine filter plate 14 is provided on the inner side of the connecting frame 13, a second slider 15 is provided on the outer side of the connecting frame 13, and a resistance alarm 16 is provided at one end of the box body 1.
[0020] Specifically, an air outlet 2 is fixedly provided at one end of the box body 1, a fixed cover 3 is installed on the top of the box body 1, a card block 4 is fixedly provided on the four outer sides of the fixed cover 3, a buckle 5 is fixedly provided on the four outer sides of the box body 1, and the card block 4 and the buckle 5 are connected by a card connection, an air inlet 6 is fixedly provided on the surface of the fixed cover 3, and a plurality of air inlets 6 are provided, and a filter screen 7 is fixedly provided inside the air inlet 6, a card slot 8 is fixedly provided on the inner side of the box body 1, and two card slots 8 are provided, which are arranged on both sides of the inner side of the box body 1, and a coarse filter 7 is fixedly provided on the upper inner side of the fixed frame 9. A honeycomb filter element 11 is fixedly installed on the lower inner side of the filter plate 10 and the fixed frame 9, a first slider 12 is fixedly installed on the outer side of the fixed frame 9, and the first slider 12 is slidably mounted inside the card slot 8, a fine filter plate 14 is fixedly installed on the inner side of the connecting frame 13, a second slider 15 is fixedly installed on the outer side of the connecting frame 13, and the second slider 15 is slidably mounted inside the card slot 8, a resistance alarm 16 is installed at one end of the box body 1 near the air outlet 2, and one end of the resistance alarm 16 extends to the interior of the box body 1, close to the inner side of the air outlet 2.
[0021] In this embodiment, the interior of the box body 1 can be easily disassembled and assembled through the fixed cover 3, the block 4 and the buckle 5, and the outside air can enter the interior of the box body 1 through the air inlet 6. The filter screen 7 can block and isolate large pieces of dust and foreign matter in the air inlet 6, and can preliminarily organize the air that is about to enter the box body 1. The honeycomb filter element 11 is provided, and the honeycomb filter element 11 has a strong adsorption capacity, which can adsorb odor molecules in the air and can also filter fine dust. The coarse filter plate 10 can filter large harmful dust in the air to avoid flowing into the battery system and causing damage. The fine filter plate 14 can filter the harmful dust that is about to enter the battery system. The fine particles in the air entering the air outlet 2 are extracted and adsorbed, so that fully clean air can flow from the air outlet 2 to the hydrogen fuel cell system. Through the resistance alarm 16, the resistance alarm 16 is connected to the external display screen and the power supply before use. When more impurities are attached to the surface of the filter component in the box body 1, affecting the air circulation, the air inflow rate at one end of the air outlet 2 will be reduced, and the resistance alarm 16 will detect the difference in air resistance inside the box body 1, thereby automatically alarming to remind the staff to replace the filter component inside the box body 1. The provided card slot 8, the second slider 15 and the first slider 12 facilitate the disassembly and installation of the internal filter component, thereby improving the use effect.
[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An air filter intake box for a hydrogen fuel cell system, comprising a box body (1), characterized in that: An air outlet (2) is provided at one end of the box body (1), a fixed cover (3) is provided at the top of the box body (1), a clamping block (4) is provided on the outer side of the fixed cover (3), a buckle (5) is provided on the outer side of the box body (1), an air inlet (6) is provided on the surface of the fixed cover (3), a filter screen (7) is provided inside the air inlet (6), a clamping groove (8) is provided on the inner side of the box body (1), a fixed frame (9) is provided on the inner side of the box body (1), a coarse filter plate (10) is provided on the upper inner side of the fixed frame (9), a honeycomb filter element (11) is provided on the lower inner side of the fixed frame (9), a first slider (12) is provided on the outer side of the fixed frame (9), a connecting frame (13) is provided on the inner side of the connecting frame (13), a fine filter plate (14) is provided on the inner side of the connecting frame (13), a second slider (15) is provided on the outer side of the connecting frame (13), and a resistance alarm (16) is provided at one end of the box body (1).
2. The air filter inlet box for a hydrogen fuel cell system according to claim 1, characterized in that: An air outlet (2) is fixedly provided at one end of the box body (1), a fixed cover (3) is installed on the top of the box body (1), a clamping block (4) is fixedly installed on the four outer sides of the fixed cover (3), a buckle (5) is fixedly installed on the four outer sides of the box body (1), and the clamping block (4) and the buckle (5) are connected by a clamping connection.
3. The air filter inlet box for a hydrogen fuel cell system according to claim 1, characterized in that: An air inlet (6) is fixedly provided on the surface of the fixed cover (3), and a plurality of the air inlets (6) are provided. A filter (7) is fixedly installed inside the air inlet (6). A card slot (8) is fixedly provided on the inner side of the box body (1), and two card slots (8) are provided, which are arranged on both sides of the inside of the box body (1).
4. The air filter inlet box for a hydrogen fuel cell system according to claim 1, characterized in that: A coarse filter plate (10) is fixedly mounted on the upper inner side of the fixed frame (9), and a honeycomb filter element (11) is fixedly mounted on the lower inner side of the fixed frame (9).
5. The air filter inlet box for a hydrogen fuel cell system according to claim 1, characterized in that: A first sliding block (12) is fixedly mounted on the outer side of the fixed frame (9), and the first sliding block (12) is slidably locked in the interior of the locking groove (8).
6. The air filter inlet box for a hydrogen fuel cell system according to claim 1, characterized in that: A fine filter plate (14) is fixedly mounted on the inner side of the connection frame (13), a second slider (15) is fixedly mounted on the outer side of the connection frame (13), the second slider (15) being slidably mounted inside the slot (8), a resistance alarm (16) being mounted at one end of the box body (1) near the air outlet (2), one end of the resistance alarm (16) extending to the inside of the box body (1), near the inner side of the air outlet (2).