Filter rapid replacement device for fresh air handling unit

Abstract

The utility model provides a quick filter replacement device for a fresh air handling unit, which belongs to the technical field of fresh air handling units and comprises an air inlet pipe, a filter mechanism is mounted on one side of the air inlet pipe, a heat exchange mechanism is arranged on one side of the filter mechanism, and an air outlet pipe is arranged on one side of the heat exchange mechanism. The filtering mechanism comprises a filtering box fixedly connected to the surface of the air inlet pipe, the filtering box is fixedly connected with the filtering mechanism, electric telescopic rods are installed on the two sides of the interior of the filtering box, and the electric telescopic rods start piston rods of the electric telescopic rods to drive a first connecting plate and a second connecting plate to move correspondingly; when the filter screen is moved out, a second connecting plate can drive the filter screen to be lifted, the second connecting plate drives a first transmission toothed plate to move, at the moment, a second transmission toothed plate and an upper cover plate are driven to move under the action of two transmission gears, so that the filter screen is moved out, at the moment, a worker can replace the filter screen, and the effect of rapid replacement is achieved.

Description

Technical Field

[0001] This utility model belongs to the technical field of fresh air handling units, specifically relating to a quick filter replacement device for fresh air handling units. Background Technology

[0002] A fresh air handling unit is an air conditioning device that provides fresh air. It works by drawing in fresh outdoor air, processing it through dust removal, dehumidification (or humidification), and cooling (or heating), and then sending it indoors via a fan, replacing the existing indoor air as it enters the space.

[0003] Over time, a large amount of dust accumulates inside fresh air handling units. This dust clogs the filters or air ducts, increasing airflow resistance, reducing effective air exchange, and affecting indoor air circulation efficiency. To maintain airflow, the fan needs to operate at higher power, which may lead to motor overheating, increased noise, or even shortened motor life. Furthermore, replacing filters in traditional fresh air handling units is complicated. Most units use screw fixing or sealing strip clamping structures, requiring special tools for replacement, which is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of this invention is to provide a quick filter replacement device for fresh air handling units, which aims to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A quick filter replacement device for a fresh air handling unit includes: an air inlet pipe, a filter mechanism installed on one side of the air inlet pipe, a heat exchange mechanism provided on one side of the filter mechanism, and an air outlet pipe provided on one side of the heat exchange mechanism.

[0007] The filtration mechanism includes a filter box fixedly connected to the surface of the air inlet duct, and the filter box is fixedly connected to the filtration mechanism. Electric telescopic rods are installed on both sides inside the filter box. A first connecting plate and a second connecting plate are fixedly connected to the surface of the piston rod of the electric telescopic rod. A filter screen is fixedly connected to the surface of the first connecting plate. A first transmission gear plate is fixedly connected to the surface of the second connecting plate. Two rotating shafts are rotatably connected to both sides of the inner wall of the filter box. Transmission gears are fixedly connected to the surface of the rotating shafts. Two upper cover plates are slidably connected to the top of the filter box. A second transmission gear plate is fixedly connected to the bottom of the upper cover plate.

[0008] In a preferred embodiment of this utility model, the first transmission toothed plate is slidably connected to the surface of the inner wall of the filter box, and the first transmission toothed plate meshes with the transmission gear below, while the second transmission toothed plate meshes with the transmission gear above.

[0009] In a preferred embodiment of this utility model, pulleys are fixedly connected to the surfaces of both rotating shafts, and the two pulleys are rotatably connected by a transmission belt.

[0010] As a preferred embodiment of this utility model, the top of the filter box is fixedly connected to both sides of the limiting shell, and the two upper cover plates are slidably connected to the inner surfaces of the two limiting shells respectively.

[0011] As a preferred embodiment of this utility model, the surface of the second connecting plate is provided with a guide groove, and the guide groove is adapted to the transmission belt.

[0012] As a preferred embodiment of the present invention, the heat exchange mechanism includes a heat exchange box that is connected to the filter box and the air outlet pipe respectively. A total heat exchanger and a blower are installed on the upper surface of the heat exchange box. An air exchange pipe is installed on the upper surface of the heat exchange box, and the two ends of the air exchange pipe are connected to the top surface and the rear side of the heat exchange box respectively.

[0013] As a preferred embodiment of this utility model, the surface of the heat exchange box is rotatably connected to an inspection door, and the surface of the inspection door is provided with a movable handle.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This solution uses an electric telescopic rod to activate its piston rod, which in turn moves the first and second connecting plates. The second connecting plate then raises the filter screen and moves the first transmission gear plate. Under the action of the two transmission gears, the second transmission gear plate and the upper cover plate move, thereby removing the filter screen. At this point, the staff can replace the filter screen, achieving a quick replacement effect. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0017] In the attached diagram:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the heat exchange mechanism in the structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the filtration mechanism in the structure of this utility model;

[0021] Figure 4 This is a partial structural diagram of the filtration mechanism in the present invention.

[0022] In the diagram: 1. Air inlet duct; 2. Filtration mechanism; 201. Filter box; 202. Electric telescopic rod; 203. First connecting plate; 204. Second connecting plate; 205. First transmission gear plate; 206. Rotating shaft; 207. Transmission gear; 208. Pulley; 209. Transmission belt; 210. Filter screen; 211. Top cover plate; 212. Second transmission gear plate; 213. Limiting shell; 214. Guide groove; 3. Air outlet duct; 4. Heat exchange mechanism; 401. Heat exchange box; 402. Total heat exchanger; 403. Blower; 404. Ventilation duct; 405. Inspection door; 406. Moving handle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example

[0025] Please see Figure 1-4 The technical solution provided in this embodiment is as follows:

[0026] A quick-change filter replacement device for a fresh air handling unit includes: an air inlet pipe 1, a filter mechanism 2 installed on one side of the air inlet pipe 1, a heat exchange mechanism 4 provided on one side of the filter mechanism 2, and an air outlet pipe 3 provided on one side of the heat exchange mechanism 4. The filter mechanism 2 includes a filter box 201 fixedly connected to the surface of the air inlet pipe 1, and the filter box 201 is fixedly connected to the filter mechanism 2. Electric telescopic rods 202 are installed on both sides inside the filter box 201. A first connecting plate 203 and a second connecting plate 204 are fixedly connected to the surface of the piston rod of the electric telescopic rod 202. A filter screen 210 is fixedly connected to the surface of the first connecting plate 203, and a first transmission gear plate 205 is fixedly connected to the surface of the second connecting plate 204. Two rotatably connected parts are mounted on both sides of the inner wall of the filter box 201. A rotating shaft 206 has a transmission gear 207 fixedly connected to its surface. Two upper cover plates 211 are slidably connected to the top of the filter box 201. A second transmission gear plate 212 is fixedly connected to the bottom of the upper cover plate 211. The piston rod of the electric telescopic rod 202 is activated to drive the first connecting plate 203 and the second connecting plate 204 to move respectively. The second connecting plate 204 will drive the filter screen 210 to rise. The second connecting plate 204 will drive the first transmission gear plate 205 to move. At this time, under the action of the two transmission gears 207, the second transmission gear plate 212 and the upper cover plate 211 will move, thereby realizing the removal of the filter screen 210. At this time, the staff can replace the filter screen 210, thus achieving the effect of quick replacement.

[0027] Specifically, the first transmission gear plate 205 is slidably connected to the surface of the inner wall of the filter box 201, and the first transmission gear plate 205 meshes with the lower transmission gear 207, the second transmission gear plate 212 meshes with the upper transmission gear 207, and pulleys 208 are fixedly connected to the surfaces of the two rotating shafts 206, and the two pulleys 208 are rotatably connected through the transmission belt 209.

[0028] In a specific embodiment of this utility model, the first transmission gear plate 205 moves and drives the lower transmission gear 207 to rotate the rotating shaft 206. The rotation of the lower rotating shaft 206 drives the upper rotating shaft 206 to rotate under the action of the pulley 208 and the transmission belt 209, thereby driving the transmission gear 207 to rotate. The rotation of the upper transmission gear 207 drives the upper cover plate 211 to move under the action of the second transmission gear plate 212.

[0029] Specifically, the top of the filter box 201 is fixedly connected to both sides of the limiting shell 213, and the two upper cover plates 211 are slidably connected to the inner surfaces of the two limiting shells 213 respectively.

[0030] In a specific embodiment of this utility model, the limiting shell 213 facilitates guidance of the upper cover plate 211 when it moves, thereby reducing the probability of the upper cover plate 211 tilting.

[0031] Specifically, the surface of the second connecting plate 204 is provided with a guide groove 214, and the guide groove 214 is adapted to the transmission belt 209.

[0032] In a specific embodiment of this utility model, the guide groove 214 can protect the transmission belt 209 when the second connecting plate 204 moves, thereby reducing the damage to the transmission belt 209 caused by external factors.

[0033] Specifically, the heat exchange mechanism 4 includes a heat exchange box 401 that is connected to the filter box 201 and the air outlet pipe 3 respectively. A total heat exchanger 402 and a blower 403 are installed on the upper surface of the heat exchange box 401. An air exchange pipe 404 is installed on the upper surface of the heat exchange box 401. The two ends of the air exchange pipe 404 are connected to the top surface and the rear side of the heat exchange box 401 respectively.

[0034] In a specific embodiment of this utility model, the heat / cold energy in the exhaust air inside the heat exchange box 401 is recovered by the total heat exchanger 402, and the fresh air is preheated or precooled. Then, the heat exchange effect inside the heat exchange box 401 can be increased by the blower 403.

[0035] Specifically, a maintenance door 405 is rotatably connected to the surface of the heat exchange box 401, and a movable handle 406 is provided on the surface of the maintenance door 405.

[0036] In a specific embodiment of this utility model, the movable handle 406 facilitates the opening and closing of the inspection door 405, thereby making it convenient for staff to inspect and maintain the filter mechanism 2.

[0037] Working principle: Air enters the filter mechanism 2 through the air inlet duct 1. After being filtered by the filter mechanism 2, the air enters the heat exchange mechanism 4, where it exchanges heat with the air. After heat exchange, the air is delivered to the air outlet duct 3. When the filter screen 210 needs to be replaced, the electric telescopic rod 202 is activated. The piston rod of the electric telescopic rod 202 drives the first connecting plate 203 and the second connecting plate 204 to move. The second connecting plate 204 lifts the filter screen 210 and moves the first transmission gear plate 205. The first transmission gear plate 205 moves, and under the action of the lower transmission gear 207, it drives the rotating shaft 206 to rotate. The rotation of the lower rotating shaft 206, under the action of the pulley 208 and the transmission belt 209, drives the upper rotating shaft 206 to rotate, thereby driving the transmission gear 207 to rotate. The rotation of the upper transmission gear 207, under the action of the second transmission gear plate 212, drives the upper cover plate 211 to move, thereby removing the filter screen 210. At this time, the staff can replace the filter screen 210, thus achieving the effect of quick replacement.

[0038] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A quick filter replacement device for a fresh air handling unit, characterized in that, include: An air inlet pipe (1) is provided, a filter mechanism (2) is installed on one side of the air inlet pipe (1), a heat exchange mechanism (4) is provided on one side of the filter mechanism (2), and an air outlet pipe (3) is provided on one side of the heat exchange mechanism (4). The filtration mechanism (2) includes a filter box (201) fixedly connected to the surface of the air inlet pipe (1), and the filter box (201) is fixedly connected to the filtration mechanism (2). Electric telescopic rods (202) are installed on both sides inside the filter box (201). A first connecting plate (203) and a second connecting plate (204) are fixedly connected to the surface of the piston rod of the electric telescopic rod (202). A filter screen (210) is fixedly connected to the surface of the first connecting plate (203). A first transmission gear plate (205) is fixedly connected to the surface of the second connecting plate (204). Two rotating shafts (206) are rotatably connected to both sides of the inner wall of the filter box (201). A transmission gear (207) is fixedly connected to the surface of the rotating shaft (206). Two upper cover plates (211) are slidably connected to the top of the filter box (201). A second transmission gear plate (212) is fixedly connected to the bottom of the upper cover plate (211).

2. The filter quick-replacement device for a fresh air handling unit according to claim 1, characterized in that, The first transmission gear plate (205) is slidably connected to the surface of the inner wall of the filter box (201), and the first transmission gear plate (205) meshes with the transmission gear (207) below, and the second transmission gear plate (212) meshes with the transmission gear (207) above.

3. The filter quick-replacement device for a fresh air handling unit according to claim 1, characterized in that, Both of the rotating shafts (206) are fixedly connected to pulleys (208), and the two pulleys (208) are rotatably connected by a transmission belt (209).

4. A quick filter replacement device for a fresh air handling unit according to claim 1, characterized in that, Both sides of the top of the filter box (201) are fixedly connected to the limiting shells (213), and the two upper cover plates (211) are slidably connected to the inner surfaces of the two limiting shells (213).

5. A quick filter replacement device for a fresh air handling unit according to claim 3, characterized in that, The surface of the second connecting plate (204) is provided with a guide groove (214), and the guide groove (214) is adapted to the transmission belt (209).

6. A quick filter replacement device for a fresh air handling unit according to claim 1, characterized in that, The heat exchange mechanism (4) includes a heat exchange box (401) connected to the filter box (201) and the air outlet pipe (3) respectively. A total heat exchanger (402) and a blower (403) are installed on the upper surface of the heat exchange box (401). An air exchange pipe (404) is installed on the upper surface of the heat exchange box (401). The two ends of the air exchange pipe (404) are connected to the top surface and the rear side of the heat exchange box (401) respectively.

7. A quick filter replacement device for a fresh air handling unit according to claim 6, characterized in that, The surface of the heat exchange box (401) is rotatably connected to an inspection door (405), and the surface of the inspection door (405) is provided with a movable handle (406).

Images