Fresh air machine for cabinet
By using bottom-to-top distributed filter modules and integrating automatic cleaning components in the cabinet-mounted fresh air unit, the problems of dust accumulation and low modularity are solved, achieving efficient cleaning and convenient maintenance.
Patent Information
- Application Number
- CN202422906815.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing cabinet-type fresh air unit filter design has the problem of dust accumulation, which affects the filtration effect and is inconvenient to clean. It also has low modularity and is inconvenient to install and maintain.
The system employs a series of modules arranged from bottom to top: a pre-filter module, an electrostatic filter module, and a medium-efficiency filter module. Each module integrates an automatic cleaning component, including a brush driven by a drive motor and a lead screw, to achieve automatic cleaning.
It effectively prevents dust accumulation, improves filtration efficiency, facilitates installation and maintenance, and reduces cleaning complexity and cost.
Smart Images

Figure CN223515207U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of cabinet fresh air system, and specifically relates to a fresh air system for cabinets. Background Technology
[0002] Outdoor cabinets, such as integrated outdoor communication units or outdoor power cabinets, are generally equipped with fresh air systems. This is especially true for communication cabinets, where purification and dust prevention are essential; therefore, configuring a fresh air system is highly necessary.
[0003] Currently, cabinet-type fresh air systems generally include a casing, filters, and fans. The filters are typically pre-filters and medium-efficiency filters, and their filtration efficiency needs improvement. Some systems may also add electrostatic filters, but there are some issues with the distribution of these filters. In the existing structure, the electrostatic filter is placed above the medium-efficiency filter. When cleaning the electrostatic filter, dust falls onto the medium-efficiency filter. Because the mesh of the medium-efficiency filter is relatively fine, most of the dust does not continue to fall and instead accumulates on the medium-efficiency filter, thus affecting its filtration and causing considerable trouble for cleaning.
[0004] Currently, the modularity of server racks is not high. Each component generally needs to be installed inside the chassis, which is troublesome to install, has many loose parts, and is not convenient for later maintenance. Utility Model Content
[0005] This utility model provides a fresh air unit for server racks, which can solve the problems pointed out in the background art.
[0006] A cabinet-type fresh air unit includes a housing, an air inlet and an air outlet on the housing. The housing is provided with a pre-filter module, an electrostatic filter module, a medium-efficiency filter module and a fan module from bottom to top.
[0007] Preferably, the primary filter module is an integrated primary filter module, which includes a primary filter and a first automatic cleaning component integrated on the primary filter.
[0008] Preferably, the first automatic cleaning component includes a first drive motor, first transmission screws on both sides, and a first movable frame connected to the first transmission screws on both sides. The upper and lower ends of the first movable frame are respectively fixed with a first upper brush body and a first lower brush body.
[0009] Preferably, the first movable frame includes a first upper "U"-shaped frame and a first lower "U"-shaped frame. The first upper "U"-shaped frame and the first lower "U"-shaped frame are connected together to form a rectangular first movable frame. The upper end of the first upper "U"-shaped frame is connected to a first upper brush body, and the lower end of the first lower "U"-shaped frame is connected to a first lower brush body. The first drive motor and the first transmission screws on both sides are all disposed on the upper surface of the primary filter. The first drive motor drives the first transmission screws on both sides to run synchronously through a first transmission belt. The primary filter is provided with a first guide elongated hole that cooperates with the first lower "U"-shaped frame at the corresponding position.
[0010] Preferably, the electrostatic filter module is an integrated electrostatic filter module, which includes an electrostatic filter and a second automatic cleaning component integrated on the electrostatic filter.
[0011] Preferably, the second automatic cleaning component includes a second drive motor, two second transmission screws on both sides, and a second movable frame connected to the two second transmission screws on both sides. The upper and lower ends of the second movable frame are respectively fixed with a second upper brush body and a second lower brush body.
[0012] Preferably, the second drive motor and the second transmission screws on both sides are all disposed on the upper end surface of the electrostatic filter, and the second drive motor drives the second transmission screws on both sides to run synchronously through the second transmission belt.
[0013] Preferably, the medium-efficiency filter module includes an upper and lower mounting limit frame and a medium-efficiency filter, with a medium-efficiency filter slot formed between the upper and lower mounting limit frames, and the medium-efficiency filter is inserted into the medium-efficiency filter slot.
[0014] Preferably, the fan module is an integrated fan module, which includes a fan and a fan mounting frame integrated with the fan.
[0015] Beneficial effects: This utility model provides a fresh air unit for server racks, which has the following beneficial effects:
[0016] The pre-filter module, electrostatic filter module, and medium-efficiency filter module are arranged from bottom to top, which is easy to clean and can prevent dust from accumulating on the medium-efficiency filter module.
[0017] Each part is designed with modular integration, which facilitates installation and subsequent maintenance;
[0018] Both the first and second automatic cleaning components have cleaning brushes arranged vertically, cleaning two different surfaces simultaneously. This reduces the number of cleaning components required, lowers costs, and also reduces size. Attached Figure Description
[0019] Figure 1This is a schematic diagram of the internal structure of this utility model.
[0020] Figure 2 This is an external schematic diagram of the present invention.
[0021] Figure 3 This is a schematic diagram of the structure of the primary filter module of this utility model.
[0022] Figure 4 This is a schematic diagram of the structure of the electrostatic filter of this utility model.
[0023] Figure 5 This is a structural schematic diagram of the medium-efficiency filter module and the fan module of this utility model.
[0024] Explanation of reference numerals in the attached figures:
[0025] The diagram shows the following labels: 1. Housing; 11. Air inlet; 12. Air outlet; 2. Primary filter module; 21. Primary filter; 221. First drive motor; 222. First transmission screw; 223. First movable frame; 224. First upper brush body; 225. First lower brush body; 226. First transmission belt; 3. Electrostatic filter module; 31. Electrostatic filter; 321. Second drive motor; 322. Second transmission screw; 323. Second movable frame; 324. Second upper brush body; 325. Second lower brush body; 326. Second transmission belt; 4. Medium-efficiency filter module; 41. Mounting limit frame; 42. Medium-efficiency filter; 43. Medium-efficiency filter slot; 5. Fan module; 51. Fan mounting frame; 52. Detailed Implementation
[0026] The following describes a specific embodiment of the present invention in detail with reference to the accompanying drawings. However, it should be understood that the scope of protection of the present invention is not limited to the specific embodiment.
[0027] Example: Figure 1-5 As shown, a cabinet-type fresh air unit has a housing 1, an air inlet 11 and an air outlet 12 on the housing 1. The air inlet 11 is located at the bottom of the housing 1. The housing 1 is provided with a primary filter module 2, an electrostatic filter module 3, a medium-efficiency filter module 4 and a fan module 5 in sequence from bottom to top. The housing 1 is provided with mounting slots corresponding to each module.
[0028] Specifically, the primary filter module 2 is an integrated primary filter module, which is pushed into the corresponding slot from one side and can be fixed by bolts or fixing pins. It includes a primary filter 21 and a first automatic cleaning component integrated on the primary filter 21. The primary filter module 2 is pushed into the housing 1 from the bottom air inlet 11 and can be fixed by bolts.
[0029] Specifically, the first automatic cleaning component includes a first drive motor 221, first transmission screws 222 on both sides, and a first movable frame 223 connected to the first transmission screws 222 on both sides. The upper and lower ends of the first movable frame 223 are respectively fixed with a first upper brush body 224 and a first lower brush body 225. The first upper brush body 224 reciprocates to clean the windward side of the electrostatic filter 31, and the first lower brush body 225 reciprocates to clean the windward side of the primary filter 21.
[0030] The first movable frame 223 includes a first upper "U" shaped frame and a first lower "U" shaped frame. The first upper "U" shaped frame and the first lower "U" shaped frame are connected together to form a rectangular first movable frame 223. The upper end of the first upper "U" shaped frame is connected to the first upper brush body 224, and the lower end of the first lower "U" shaped frame is connected to the first lower brush body 225. The first drive motor 221 and the first transmission screws 222 on both sides are all arranged on the upper surface of the primary filter 21. The first drive motor 221 drives the first transmission screws 222 on both sides to run synchronously through the first transmission belt 226. The primary filter 21 is provided with a first guide elongated hole 211 that cooperates with the first lower "U" shaped frame.
[0031] Specifically, the electrostatic filter module 3 is an integrated electrostatic filter module, which includes an electrostatic filter 31 and a second automatic cleaning component integrated on the electrostatic filter 31. The second automatic cleaning component includes a second drive motor 321, second transmission screws 322 on both sides, and a second movable frame 323 connected to the second transmission screws 322 on both sides. The upper and lower ends of the second movable frame 323 are respectively fixed with a second upper brush body 324 and a second lower brush body 325. The second upper brush body 324 reciprocates to clean the windward side of the medium-efficiency filter 42, and the second lower brush body 325 reciprocates to clean the top of the electrostatic filter 31, so that the dust that falls on it can continue to fall smoothly.
[0032] Specifically, the second drive motor 321 and the second transmission screws 322 on both sides are all disposed on the upper end surface of the electrostatic filter 31. The second drive motor 321 drives the second transmission screws 322 on both sides to run synchronously through the second transmission belt 326.
[0033] Specifically, the medium-efficiency filter module 4 includes an upper and lower installation limit frame 41 and a medium-efficiency filter 42. A medium-efficiency filter slot 43 is formed between the upper and lower installation limit frames 41, and the medium-efficiency filter 42 is inserted into the medium-efficiency filter slot 43.
[0034] Specifically, the fan module 5 is an integrated fan module, which is pushed into the corresponding slot from one side and can be fixed by bolts or fixing pins. It includes a fan 51 and a fan mounting frame 52 integrated with the fan 51.
[0035] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.
Claims
1. A fresh air unit for server racks, characterized in that: It includes a housing (1), an air inlet (11) and an air outlet (12) on the housing (1), and a primary filter module (2), an electrostatic filter module (3), a medium-efficiency filter module (4) and a fan module (5) arranged sequentially from bottom to top inside the housing (1).
2. A fresh air unit for server racks according to claim 1, characterized in that: The primary filter module (2) is an integrated primary filter module, which includes a primary filter (21) and a first automatic cleaning component integrated on the primary filter (21).
3. A fresh air unit for server racks according to claim 2, characterized in that: The first automatic cleaning component includes a first drive motor (221), first transmission screws (222) on both sides, and a first movable frame (223) connected to the first transmission screws (222) on both sides. The upper and lower ends of the first movable frame (223) are respectively fixed with a first upper brush body (224) and a first lower brush body (225).
4. A fresh air unit for server racks according to claim 3, characterized in that: The first movable frame (223) includes a first upper "U" shaped frame and a first lower "U" shaped frame. The first upper "U" shaped frame and the first lower "U" shaped frame are connected together to form a rectangular first movable frame (223). The upper end of the first upper "U" shaped frame is connected to the first upper brush body (224), and the lower end of the first lower "U" shaped frame is connected to the first lower brush body (225). The first drive motor (221) and the first transmission screws (222) on both sides are all set on the upper surface of the primary filter (21). The first drive motor (221) drives the first transmission screws (222) on both sides to run synchronously through the first transmission belt (226). The primary filter (21) is provided with a first guide elongated hole (211) that cooperates with the first lower "U" shaped frame.
5. A fresh air unit for server racks according to claim 1, characterized in that: The electrostatic filter module (3) is an integrated electrostatic filter module, which includes an electrostatic filter (31) and a second automatic cleaning component integrated on the electrostatic filter (31).
6. A fresh air unit for server racks according to claim 5, characterized in that: The second automatic cleaning component includes a second drive motor (321), two second transmission screws (322) on both sides, and a second movable frame (323) connected to the two second transmission screws (322). The upper and lower ends of the second movable frame (323) are respectively fixed with a second upper brush body (324) and a second lower brush body (325).
7. A fresh air unit for server racks according to claim 6, characterized in that: The second drive motor (321) and the second transmission screws (322) on both sides are both located on the upper surface of the electrostatic filter (31) (21). The second drive motor (321) drives the second transmission screws (322) on both sides to run synchronously through the second transmission belt (326).
8. A fresh air unit for server racks according to claim 1, characterized in that: The medium-efficiency filter module (4) includes an upper and lower installation limit frame (41) and a medium-efficiency filter (42). A medium-efficiency filter slot (43) is formed between the upper and lower installation limit frames (41), and the medium-efficiency filter (42) is inserted into the medium-efficiency filter slot (43).
9. A fresh air unit for server racks according to claim 1, characterized in that: The fan module (5) is an integrated fan module, which includes a fan (51) and a fan mounting frame (52) integrated with the fan (51).