Pretreatment device for FFU
By introducing filters and electrostatic dust removal devices into the FFU fan, the problem of poor filtration of small particulate impurities and dust in FFU fans is solved, and an efficient filtration and convenient cleaning mechanism is achieved.
Patent Information
- Application Number
- CN202421834614.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing FFU fan filtering mechanism has poor effect on impurities and dust with small particle size.
A pretreatment device including a filter, anode plate and a cathode plate is designed to use the principle of electrostatic dust removal to negatively charge dust and impurities and deposit it on the anode plate, while facilitating the disassembly and cleaning of the anode plate through auxiliary components.
It improves the filtering effect of small particle size impurities and dust, and maintains the filtering effect through a convenient cleaning mechanism to avoid clogging of the filter.
Smart Images

Figure CN223288232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ventilation equipment, in particular to a pretreatment device for FFU. Background Art
[0002] FFU fan, the full name is FanFilterUnit, that is, fan filter unit, is a high-efficiency air purification equipment, which is widely used in the air purification systems of electronics, medicine, bioengineering, food and other industries. FFU fan consists of an exhaust mechanism (unit) and a filtering mechanism (unit);
[0003] The existing FFU fan filter mechanism is found to only filter the dust and impurities in the air through the filter screen during use, and the filtering effect is poor. Some impurities and dust with small particle size cannot be filtered, so it needs to be improved.
[0004] For this reason, it is necessary to invent a pretreatment device for FFU. Summary of the Invention
[0005] To this end, the present invention provides a pretreatment device for FFU to solve the problems in the background technology.
[0006] In order to achieve the above object, the present invention provides the following technical solution: a pretreatment device for FFU, comprising:
[0007] A casing, one side of which is fixedly connected to an air outlet pipe, and a through slot is provided at the bottom of the casing;
[0008] A filter screen is fixedly embedded in the top of the casing, and an air guide plate is fixedly connected to the inside of the casing;
[0009] An anode plate and a cathode plate, wherein the anode plate is located inside the through-trough and is slidably connected thereto, and the cathode plate is fixedly embedded in the top of the housing. Connecting plates are fixedly connected on both sides of the anode plate, and both connecting plates are in contact with the bottom of the housing. Auxiliary components are provided on the outside of both connecting plates;
[0010] A U-shaped frame is slidably mounted on the housing, a brush is fixedly connected to the inner wall of the top of the U-shaped frame, and the brush fits the filter screen. Electric telescopic rods are fixedly connected to the front and rear sides of the housing, and one end of each of the two electric telescopic rods is fixedly connected to one side of the U-shaped frame;
[0011] The fixing rod is arranged at the bottom of the casing.
[0012] Preferably, the front and rear sides of the housing are fixedly connected with guide rods, and the two guide rods pass through the U-shaped frame and are slidably connected thereto.
[0013] Preferably, the auxiliary component includes a shell, which is fixedly connected to the bottom of the casing, a through slot is opened on one side of the shell, three rotating shafts are connected inside the shell, one side of the three rotating shafts is fixedly connected to a rotating rod, the three rotating rods all pass through the through slot, and the three rotating rods are in contact with the bottom of the connecting plate.
[0014] Preferably, a ridge rod is fixedly connected to the inside of the shell, a tooth plate is provided on the outside of the ridge rod, three gears are provided on one side of the tooth plate and meshed with it, the three gears are fixedly mounted on the outside of three rotating shafts respectively, a spring is provided on the outside of the ridge rod and the two ends of the spring are fixedly connected to the front side of the tooth plate and the inner wall of the front side of the shell respectively.
[0015] Preferably, a pull rod 1 is embedded in the front side of the shell, and the pull rod 1 is fixedly connected to the other side of the tooth plate. A pad is provided on the external fixed sleeve of the pull rod 1, and the pad is in contact with the front side of the shell. The front end of the pull rod 1 is fixedly connected to the fixing rod.
[0016] Preferably, the rotating rod is slidably connected to the through slot 1 and the connecting plate, the tooth plate is slidably connected to the edge rod, the pull rod 1 is slidably connected to the shell, and the spring is in a compressed state.
[0017] Preferably, the rotating shaft 1 is connected to the housing via a bearing.
[0018] Preferably, two mounting brackets are fixedly connected to both sides of the housing.
[0019] Preferably, each of the four mounting frames has a mounting hole formed therein.
[0020] The beneficial effects of the utility model are:
[0021] 1. The utility model is designed with a filter screen, which can play a role in filtering the air. At the same time, an anode plate and a cathode plate are designed. When filtering the air, the anode plate and the cathode plate can be energized. When the air passes between the anode plate and the cathode plate, the dust and impurities will be negatively charged and then deposited on the anode plate, thereby realizing electrostatic dust removal. In this way, impurities and dust with small particle size can be filtered, thereby increasing the effect of filtering dust and impurities.
[0022] 2. The utility model is designed with auxiliary components. When there is too much dust and impurities deposited on the anode plate, the auxiliary components can be used to release the restriction on the connecting plate. Then the anode plate can be removed from the casing, and then the dust and impurities on the cathode plate can be cleaned, thereby ensuring the filtering effect of dust and impurities. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only exemplary, and those skilled in the art can also derive other implementation drawings based on the provided drawings without inventive effort.
[0024] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.
[0025] Figure 1 A schematic diagram of the overall structure provided by the utility model;
[0026] Figure 2 A front sectional view provided for the utility model;
[0027] Figure 3 The utility model provides Figure 2 A magnified view of point A in the figure;
[0028] Figure 4 A rear perspective view provided by the present utility model;
[0029] Figure 5 A three-dimensional diagram of the anode plate, connecting plate and auxiliary components provided by the utility model;
[0030] Figure 6 The utility model provides Figure 5 Exploded perspective diagram;
[0031] Figure 7 The utility model provides Figure 6 Enlarged view of point B in FIG.
[0032] In the figure: 1 housing, 2 air outlet duct, 3 filter, 4 air guide plate, 5 anode plate, 6 cathode plate, 7 connecting plate, 8 U-shaped frame, 9 brush, 10 electric telescopic rod, 11 guide rod, 12 housing, 13 rotating shaft 1, 14 rotating rod, 15 ridge rod, 16 tooth plate, 17 gear, 18 spring, 19 pull rod 1, 20 spacer, 21 mounting frame, 22 fixing rod. DETAILED DESCRIPTION
[0033] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.
[0034] Refer to the attached Figure 1 -Attached Figure 7 The present invention provides a pretreatment device for FFU, comprising:
[0035] The casing 1 has an air outlet pipe 2 fixedly connected to one side of the casing 1, and a through slot is provided at the bottom of the casing 1;
[0036] The filter 3 is fixedly embedded in the top of the housing 1, and the interior of the housing 1 is fixedly connected to the air guide plate 4;
[0037] Anode plate 5 and cathode plate 6, the anode plate 5 is located inside the through slot and is slidably connected thereto, the cathode plate 6 is fixedly embedded in the top of the housing 1, and both sides of the anode plate 5 are fixedly connected to connecting plates 7, both connecting plates 7 are in contact with the bottom of the housing 1, and auxiliary components are provided on the outside of both connecting plates 7;
[0038] A U-shaped frame 8 is slidably mounted on the housing 1. A brush 9 is fixedly connected to the inner wall of the top of the U-shaped frame 8. The brush 9 fits the filter 3. Electric telescopic rods 10 are fixedly connected to the front and rear sides of the housing 1. One end of each electric telescopic rod 10 is fixedly connected to one side of the U-shaped frame 8.
[0039] A fixing rod 22, which is provided at the bottom of the housing 1;
[0040] The housing 1 is fixedly connected to the front and rear sides with guide rods 11, and both guide rods 11 pass through the U-shaped frame 8 and are slidably connected thereto;
[0041] In this embodiment, a filter screen 3 is designed. When filtering the air, the filter screen 3 can play a role of filtering the air. At the same time, an anode plate 5 and a cathode plate 6 are also designed. When filtering the air, the anode plate 5 and the cathode plate 6 can be energized. When the air passes between the anode plate 5 and the cathode plate 6, the dust and impurities will be negatively charged and then deposited on the anode plate 5, thereby achieving electrostatic dust removal. In this way, impurities and dust with small particle size can be filtered out.
[0042] Among them, in order to facilitate the disassembly of the anode plate 5, the present device is implemented by the following technical solutions: an auxiliary component includes a shell 12, the shell 12 is fixedly connected to the bottom of the casing 1, a through slot 1 is opened on one side of the shell 12, three rotating shafts 13 are connected to the inside of the shell 12, one side of the three rotating shafts 13 are fixedly connected to a rotating rod 14, the three rotating rods 14 all pass through the through slot 1, and the three rotating rods 14 are in contact with the bottom of the connecting plate 7, a ridge rod 15 is fixedly connected to the inside of the shell 12, the outer surface of the ridge rod 15 is provided with a tooth plate 16, one side of the tooth plate 16 is provided with three gears 17 meshing with it, the three gears 17 are respectively fixedly sleeved on the outside of the three rotating shafts 13, the outer surface of the ridge rod 15 is provided with a spring 18, and the two ends of the spring 18 are respectively fixedly connected to the front side of the tooth plate 16 and the inner wall of the front side of the shell 12. The design of the auxiliary component can facilitate the disassembly of the anode plate 5;
[0043] Among them, in order to achieve the purpose of preventing the tooth plate 16 from continuing to move backward, the present device adopts the following technical solutions: a pull rod 19 is embedded in the front side of the shell 12, and the pull rod 19 is fixedly connected to the other side of the tooth plate 16. A pad 20 is fixedly sleeved on the outside of the pull rod 1, and the pad 20 contacts the front side of the shell 12. The front end of the pull rod 19 is fixedly connected to the fixed rod 22. The rotating rod 14 is slidably connected to the through slot 1 and the connecting plate 7. The tooth plate 16 is slidably connected to the edge rod 15. The pull rod 19 is slidably connected to the shell 12. The spring 18 is compressed. The pad 20 can prevent the tooth plate 16 from continuing to move backward, thereby ensuring that the rotating rod 14 always maintains a state.
[0044] Among them, in order to achieve the purpose of reducing wear, this device adopts the following technical solutions: the rotating shaft 13 is connected to the housing 12 through a bearing, and the support connection can reduce wear;
[0045] In order to achieve the purpose of installation, the present device is implemented by adopting the following technical solution: two mounting brackets 21 are fixedly connected to both sides of the housing 1, and mounting holes are opened inside the four mounting brackets 21.
[0046] The usage process of the utility model is as follows: when in use, the device can be installed at the installation point with bolts through the design of the mounting bracket 21 and the mounting hole, and the exhaust mechanism in the ffu fan is connected to the air outlet pipe 2 in the device, and then the exhaust mechanism works to suck in air. When the air is sucked in, the air will first pass through the filter screen 3, so that the filter screen 3 can have a single filtering effect on the air, and then under the action of the air guide plate 4, the air will pass between the anode plate 5 and the cathode plate 6. At this time, the anode plate 5 and the cathode plate 6 can be energized, so that when the air passes between the anode plate 5 and the cathode plate 6 again, the dust and impurities will be negatively charged and then deposited on the anode plate 5, thereby realizing electrostatic dust removal, so that impurities and dust with small particle size can be filtered, thereby increasing the effect of filtering dust and impurities;
[0047] When the device is in use, the two electric telescopic rods 10 can be controlled to work, so that the U-shaped frame 8 and the brush 9 can be continuously moved left and right, so that the dust and impurities on the filter 3 can be cleaned, thereby preventing the filter 3 from being blocked and the air from flowing;
[0048] When the anode plate 5 has been used for a period of time and there is too much dust and impurities on the surface, the fixing rod 22 can be pulled forward. Pulling the fixing rod 22 can make the two auxiliary components work. The following takes a single auxiliary component as an example.
[0049] When the gear plate 16 is moved back to the bottom, the gears 17 and the three rotating shafts 13 are reversed, and the rotating rod 14 can be in contact with the bottom of the connecting plate 7 again, so that the anode plate 5 can be pressed against the anode plate 5 to prevent it from falling.
[0050] The above are merely preferred embodiments of the present invention. Anyone skilled in the art may utilize the above-described technical solutions to modify the present invention or create equivalent technical solutions. Therefore, any simple modification or equivalent replacement based on the technical solutions of the present invention falls within the scope of protection claimed by the present invention.
Claims
1. A pretreatment device for FFU, characterized in that, include: A casing (1), wherein an air outlet pipe (2) is fixedly connected to one side of the casing (1), and a through groove is provided at the bottom of the casing (1); A filter screen (3) is fixedly embedded in the top of the housing (1), and an air guide plate (4) is fixedly connected to the interior of the housing (1); An anode plate (5) and a cathode plate (6), wherein the anode plate (5) is located inside the through-groove and is slidably connected thereto, and the cathode plate (6) is fixedly embedded in the top of the housing (1). Connecting plates (7) are fixedly connected to both sides of the anode plate (5), and both connecting plates (7) are in contact with the bottom of the housing (1). Auxiliary components are provided on the outside of the two connecting plates (7); A U-shaped frame (8) is slidably sleeved on the housing (1); a brush (9) is fixedly connected to the inner wall of the top of the U-shaped frame (8); the brush (9) is in contact with the filter (3); electric telescopic rods (10) are fixedly connected to the front and rear sides of the housing (1); one end of each of the two electric telescopic rods (10) is fixedly connected to one side of the U-shaped frame (8); A fixing rod (22) is provided at the bottom of the housing (1).
2. A pretreatment device for FFU according to claim 1, characterized in that: The front and rear sides of the housing (1) are both fixedly connected with guide rods (11), and the two guide rods (11) both pass through the U-shaped frame (8) and are slidably connected thereto.
3. A pretreatment device for FFU according to claim 1, characterized in that: The auxiliary component comprises a shell (12), the shell (12) is fixedly connected to the bottom of the housing (1), a through slot (1) is provided on one side of the shell (12), three rotating shafts (13) are connected inside the shell (12), one side of the three rotating shafts (13) are fixedly connected to a rotating rod (14), the three rotating rods (14) all pass through the through slot (1), and the three rotating rods (14) all contact the bottom of the connecting plate (7).
4. A pretreatment device for FFU according to claim 3, characterized in that: The outer shell (12) is fixedly connected to a rib rod (15), and the outer shell of the rib rod (15) is provided with a tooth plate (16). One side of the tooth plate (16) is provided with three gears (17) meshing with it. The three gears (17) are respectively fixedly mounted on the outside of three rotating shafts (13). The outer shell of the rib rod (15) is provided with a spring (18), and the two ends of the spring (18) are respectively fixedly connected to the front side of the tooth plate (16) and the inner wall of the front side of the outer shell (12).
5. A pretreatment device for FFU according to claim 4, characterized in that: A pull rod (19) is embedded in the front side of the housing (12), and the pull rod (19) is fixedly connected to the other side of the tooth plate (16). A pad (20) is fixedly sleeved on the outside of the pull rod (19), and the pad (20) contacts the front side of the housing (12). The front end of the pull rod (19) is fixedly connected to the fixing rod (22).
6. A pretreatment device for FFU according to claim 5, characterized in that: The rotating rod (14) is slidably connected to the through slot 1 and the connecting plate (7), the tooth plate (16) is slidably connected to the edge rod (15), the pull rod 1 (19) is slidably connected to the housing (12), and the spring (18) is in a compressed state.
7. A pretreatment device for FFU according to claim 6, characterized in that: The rotating shaft 1 (13) is connected to the housing (12) via a bearing.
8. A pretreatment device for FFU according to claim 1, characterized in that: Two mounting brackets (21) are fixedly connected to both sides of the housing (1).
9. A pretreatment device for FFU according to claim 8, characterized in that: The four mounting frames (21) are each provided with a mounting hole.