House warm ventilation fan
By introducing a combination structure of protective net, servo motor, fan, rotating rod, rotating plate and brush into the heating and ventilation fan, the problem of difficult dust net cleaning is solved, realizing convenient cleaning of the protective net and effective dust collection, extending the service life of the fan and reducing abnormal noise.
Patent Information
- Application Number
- CN202423297008.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The dust filters of traditional HVAC fans are difficult to clean, which can easily lead to dirt entering the inner wall of the fan, affecting normal operation and service life.
A structure including a protective net, a servo motor, a fan, a rotating rod, a rotating plate, and a brush is designed. The servo motor drives the fan to rotate in the opposite direction and the brush to clean. Combined with a collection box and a guide plate, the protective net is effectively cleaned, preventing dust from entering the fan.
It enables convenient cleaning of the protective net, prevents dust from entering the fan, extends the fan's service life, reduces abnormal noise, and improves cleaning efficiency.
Smart Images

Figure CN223580145U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to green building design technical field especially, relate to a house warm ventilation machine. BACKGROUND
[0002] The warm ventilation machine is a kind of equipment for improving indoor air quality, adjusts indoor temperature by circulating air, it usually includes a fan, for promoting air flow, and a heat exchanger, for heating or cooling air, the design of warm ventilation machine aims at efficiently introducing fresh air from outdoors into indoor, while discharging dirty air in indoor, ensure the comfort and health of indoor environment.
[0003] Chinese patent discloses a kind of warm ventilation machine (authorized announcement number CN221444494U), the patent technology needs to work at high place or low place, by starting first servo motor and second servo motor, second servo motor can be displaced up and down by driving threaded rod with warm ventilation machine body, starting first servo motor drives first servo motor to be able to rotate vertically at any angle, so as to be able to be displaced up and down and multi-angle rotation with warm ventilation machine body, reach the beneficial effect that can be ventilated or heating at high place and low place under the condition of unchangeable height.
[0004] For the above and existing related technologies, the inventor believes that the following defects often exist: in the long-term operation process, dust and fiber impurities are easy to accumulate inside the fan inlet face dust screen of traditional warm ventilation machine, when user carries out the cleaning work of dust screen, fiber impurities swept out can be sucked into inside due to the suction of fan, or dirt is pushed into fan inside due to the inertia of cleaning action, which will cause the electronic components in fan inside to be contaminated, further affect the normal operation and service life of warm ventilation machine, make the cleaning work of fan become particularly difficult. UTILITY MODEL CONTENT
[0005] The technical problem to be solved by the utility model is that the existing technology has the defect that dust screen cleaning is difficult and dirt is easy to enter fan inner wall, therefore, a house warm ventilation machine is provided.
[0006] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a house warm ventilation machine, including warm air blower, control device is installed on one side of the warm air blower, the control device side is fixedly connected with protective screen, servo motor is installed in the inside of the warm air blower, fan is installed at the output end of the servo motor, rotating rod is slidably connected in the middle of the protective screen, extension block is fixedly connected on one side of the rotating rod, rotating plate is fixedly connected on the other side of the rotating rod, brush is fixedly connected on one side of the rotating plate.
[0007] Preferably, the surface of the protective net is provided with a plurality of circular grooves, the top of the rotating plate is threadedly connected with a push rod, and one end of the push rod is inserted into the inner wall of the circular groove.
[0008] Preferably, the diameter of the extension block is greater than that of the rotating rod, and the extension block is made of rubber.
[0009] Preferably, the bottom of the warm air blower is connected with a collecting box, both ends of the collecting box are provided with assembling holes, and the inner wall of the assembling hole is fixedly connected with one side of the warm air blower through bolts.
[0010] Preferably, the inner wall of the collecting box is fixedly connected with guide plates on both sides, and the bottom of the guide plate is inclined inward.
[0011] Preferably, the vertical section of the collecting box is in an arc structure, and the top of the collecting box is attached to the inner wall surface of the warm air blower.
[0012] The technical effects and advantages of the present application are as follows:
[0013] In the present application, the rotating plate is pushed forward by the staff, so that the rotating rod slides forward in the middle of the protective net, and the brush is inserted into the gap of the protective net. Then, the staff rotates the rotating plate with the rotating rod as the center, so that the brush rotates on the surface of the protective net, thereby cleaning and dredging the dust and lint accumulated in the gap of the protective net. Then, the servo motor can output rotation in the forward and reverse directions, so that the servo motor can drive the fan to generate reverse wind power to blow the dust and lint cleaned off the surface of the protective net, thereby preventing the dust from being sucked into the interior of the warm air blower during the cleaning of the protective net, causing the interior of the warm air blower to be blocked and damaged. The staff can clean the protective net while ensuring that the dust does not enter the interior of the warm air blower. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the present application;
[0015] Figure 2 It is a rear side structure bottom view of the present application;
[0016] Figure 3 It is a vertical section structure sectional view of the present application;
[0017] Figure 4 It is a Figure 3 structure enlarged view of the present application;
[0018] Figure 5 It is a collecting box and brush position structure schematic diagram of the present application.
[0019] Legend: 1, the heater; 2, control device; 3, protective net; 4, servo motor; 5, fan; 6, rotating rod; 7, extension block; 8, rotating plate; 9, brush; 10, circular groove; 11, push rod; 12, collection box; 13, assembly hole; 14, guide plate. DETAILED DESCRIPTION
[0020] The utility model will be further explained in detail in combination with the drawings and preferred embodiments, these drawings are all simplified schematic diagram, only with schematic way illustrates the basic structure of the utility model, therefore it only shows the related structure of the utility model.
[0021] Reference Figure 1 - Figure 5 As shown in the figure, the utility model provides a technical scheme: a house heating fan, including the heater 1, the heater 1 side installs control device 2, control device 2 side fixedly connected with protective net 3, the inside installation of heater 1 has servo motor 4, the output of servo motor 4 installs fan 5, the middle part of protective net 3 is slidably connected with rotating rod 6, the one side fixedly connected with extension block 7 of rotating rod 6, the other side fixedly connected with rotating plate 8 of rotating rod 6, the one side fixedly connected with brush 9 of rotating plate 8, by staff forward push rotating plate 8, make rotating rod 6 in the middle part of protective net 3 forward sliding, drive brush 9 inserts into the gap of protective net 3, again by staff rotating plate 8 with rotating rod 6 as the center, make brush 9 rotate on the surface of protective net 3, thereby the dust and fluff that jammed in the gap of protective net 3 is cleaned and dredged, again by servo motor 4 can positive and negative output rotation, make servo motor 4 can drive fan 5 generates reverse wind force, blows the dust and fluff that is cleaned off and falls on the surface of protective net 3, prevents when cleaning protective net 3, dust is inhaled into the inside of heater 1, causes the inside jam of heater 1 to be damaged, facilitates staff to clean protective net 3 simultaneously and safeguards dust not to enter the inside of heater 1.
[0022] Reference Figure 3 With Figure 4 As shown in the figure, in the embodiment: the surface of protective net 3 is provided with a plurality of circular grooves 10, the top of rotating plate 8 is screw-connected with push rod 11, one end of push rod 11 is inserted into the inner wall of circular groove 10, by staff rotating push rod 11 in rotating plate 8, make one end of rotating plate 8 insert into the inner wall of circular groove 10, while push rod 11 push rotating plate 8 and brush 9 gradually away from protective net 3, so that the position of brush 9 is fixed on one side of protective net 3 and does not contact with the surface of protective net 3, prevent brush 9 from deforming by sticking to protective net 3 for a long time, and prevent brush 9 from producing abnormal noise by slightly shaking when fan 5 is running.
[0023] Reference Figure 3 , Figure 4 With Figure 5As shown, in the embodiment: the diameter length of the extension block 7 is greater than that of the rotating rod 6, the extension block 7 is made of rubber material, and the rubber material of the extension block 7 allows the worker to pull the rotating plate 8 to drive the rotating rod 6, so that the extension block 7 is deformed and slides out from one side of the protective net 3, thereby taking out the rotating rod 6 from the center of the protective net 3, facilitating the worker to disassemble the rotating plate 8 and the brush 9, and facilitating the worker to replace the brush 9 or to dredge the dirt accumulated in the brush 9.
[0024] With reference to Figure 2 And Figure 5 As shown, in the embodiment: the bottom of the hair drier 1 is inserted with the collecting box 12, both ends of the collecting box 12 are provided with assembly holes 13, the inner walls of the assembly holes 13 are fixedly connected with one side of the hair drier 1 through bolts, and the collecting box 12 is detachably connected with the hair drier 1 through bolts, so that the collecting box 12 can collect the dirt falling on the surface of the protective net 3 and falling into the hair drier 1, the collecting box 12 can be disassembled and cleaned to prevent the dirt from falling into the hair drier 1 in a non-electric environment, and the collecting box 12 is arranged on the bottom surface of the hair drier 1, so that the dirt falling on the inner wall of the hair drier 1 can be collected when the hair drier 1 is normally operated, facilitating the worker to clean the dirt.
[0025] With reference to Figure 5 As shown, in the embodiment: both sides of the inner wall of the collecting box 12 are fixedly connected with the flow guide plates 14, the bottom of the flow guide plate 14 is inclined inward, the flow guide plates 14 are arranged to guide the dirt and dust falling into the collecting box 12, so that the dust slides along the inclined surface of the flow guide plate 14 and is placed on the bottom of the flow guide plate 14, effectively preventing the dirt on the inner wall of the collecting box 12 from being sucked out by the fan 5, improving the storage effect of the collecting box 12 on the dirt, and preventing the dirt from being scattered by the protective net 3.
[0026] With reference to Figure 3 And Figure 5 As shown, in the embodiment: the vertical section of the collecting box 12 is an arc structure, the top of the collecting box 12 is attached to the inner wall surface of the hair drier 1, the arc structure of the collecting box 12 is matched with the shape of the inner wall surface of the hair drier 1, so that the dirt on the inner wall of the hair drier 1 can slide downward along the inner wall of the hair drier 1, the arc surface guides the dirt, so that the dirt can flow into the collecting box 12 naturally, and the collecting effect of the collecting box 12 on the dirt is improved.
[0027] The working principle is that the staff pushes the rotating plate 8 forward, so that the rotating rod 6 slides forward in the middle of the protective net 3, and the brush 9 is inserted into the gap of the protective net 3, and then the staff rotates the rotating plate 8 with the rotating rod 6 as the center, so that the brush 9 rotates on the surface of the protective net 3, thereby cleaning and dredging the dust and lint accumulated in the gap of the protective net 3; the servo motor 4 can output rotation in the forward and reverse directions, so that the servo motor 4 can drive the fan 5 to generate reverse wind power to blow the dust and lint cleaned off the surface of the protective net 3, preventing the dust from being sucked into the interior of the heater 1 when the protective net 3 is cleaned, causing the interior of the heater 1 to be blocked and damaged, and facilitating the staff to clean the protective net 3 while ensuring that the dust does not enter the interior of the heater 1; the staff rotates the push rod 11 in the rotating plate 8, so that one end of the rotating plate 8 is inserted into the inner wall of the circular groove 10, and the push rod 11 pushes the rotating plate 8 and the brush 9 away from the protective net 3, thereby fixing the position of the brush 9 on one side of the protective net 3 and preventing the brush 9 from being in contact with the surface of the protective net 3, preventing the brush 9 from deforming due to long-term adhesion to the protective net 3, and preventing the fan 5 from producing wind power when it is running, causing the brush 9 to shake slightly and produce abnormal noise; the rubber material characteristics of the extension block 7 allow the staff to pull the rotating plate 8 backward to drive the rotating rod 6, so that the extension block 7 shrinks and deforms to slide out from one side of the protective net 3, thereby removing the rotating rod 6 from the center of the protective net 3, facilitating the staff to disassemble the rotating plate 8 and the brush 9, facilitating the staff to replace the brush 9 or dredge the dirt accumulated in the brush 9; the collecting box 12 is detachably connected to the heater 1 by bolts, so that the collecting box 12 can collect the dirt that falls in the interior of the heater 1 during the cleaning of the surface of the protective net 3, and the collecting box 12 can be disassembled and cleaned to collect the dust, preventing the dust from falling into the interior of the heater 1 in a non-electric environment, and the collecting box 12 is placed at the bottom of the heater 1, which can collect the dust falling on the inner wall of the heater 1 during normal operation of the heater 1, facilitating the staff to clean the dust; the guide plate 14 guides the dirt and dust falling into the collecting box 12, so that the dust slides along the inclined surface of the guide plate 14 into the collecting box 12 and is placed at the bottom of the guide plate 14, effectively preventing the suction force of the fan 5 from sucking the dust on the inner wall of the collecting box 12 out, improving the storage effect of the collecting box 12 on the dust, and preventing the dust from being sucked by the protective net 3 and scattered; the arc-shaped structure of the collecting box 12 matches the shape of the inner wall surface of the heater 1, so that the dust on the inner wall of the heater 1 can gradually slide down along the inner wall of the heater 1, and the arc-shaped surface guides the dust, so that the dust can flow naturally into the collecting box 12, improving the collection effect of the collecting box 12 on the dust.
[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A house heating and ventilation fan, comprising a heating fan (1), characterized in that: A control device (2) is installed on one side of the heater (1), and a protective net (3) is fixedly connected to one side of the control device (2). A servo motor (4) is installed inside the heater (1), and a fan (5) is installed at the output end of the servo motor (4). A rotating rod (6) is slidably connected to the middle of the protective net (3). An extension block (7) is fixedly connected to one side of the rotating rod (6), and a rotating plate (8) is fixedly connected to the other side of the rotating rod (6). A brush (9) is fixedly connected to one side of the rotating plate (8).
2. A house heating and ventilation fan according to claim 1, characterized in that: The protective net (3) has several circular grooves (10) on its surface. The top of the rotating plate (8) is threaded with a push rod (11), and one end of the push rod (11) is inserted into the inner wall of the circular groove (10).
3. A house heating and ventilation fan according to claim 1, characterized in that: The diameter of the extension block (7) is greater than that of the rotating rod (6), and the extension block (7) is made of rubber.
4. A house heating and ventilation fan according to claim 1, characterized in that: A collection box (12) is inserted into the bottom of the heater (1). Both ends of the collection box (12) are provided with assembly holes (13). The inner wall of the assembly hole (13) is fixedly connected to one side of the heater (1) by bolts.
5. A house heating and ventilation fan according to claim 4, characterized in that: Both sides of the inner wall of the collection box (12) are fixedly connected to the guide plate (14), and the bottom of the guide plate (14) is inclined inward.
6. A house heating and ventilation fan according to claim 4, characterized in that: The vertical cross-section of the collection box (12) is an arc-shaped structure, and the top of the collection box (12) is in contact with the inner wall surface of the heater (1).
Citation Information
Patent Citations
Warming fan
CN221444494U