Air purifier
By using a combination of a horn-shaped drainage air duct and a small-power fan in the air purifier, the problems of low efficiency and power consumption of existing air purifiers are solved, and lighting is provided by setting light strips, which achieves high-efficiency and low-power air purification effect and aesthetics.
Patent Information
- Application Number
- CN202420748724.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-11
AI Technical Summary
The existing air purifiers are not efficient in CARD during purification, and require high-power fans to achieve high air volume, and lack lighting functions.
An air purifier is designed, using a combination of a horn-shaped drainage air duct and a small-power fan to reduce the resistance when the wind speed flows out, ensure that the wind blown by the fan is not poured backward, and light strips are installed on the outer cylinder to provide lighting.
The effect of low-power fan can achieve high air volume, improve the CADR efficiency of the air duct opening, and provide lighting through the light strips, improving the aesthetics and safety of use.
Smart Images

Figure CN222597963U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of air purifier products, in particular to an air purifier. Background Art
[0002] An air purifier is a device that forms an air flow and improves the cleanliness of the air in a specified space by filtering the flowing air. The air purifier may have a structure in which an inlet is formed on one side, an outlet is formed on the other side, and a filter is arranged on the inside. The air purifier may form an outlet on the upper side and allow the filtered air discharged to the upper side to flow in all directions to quickly improve the cleanliness of the indoor space. In addition, when the outlet is formed on the upper side, a separate fan for adjusting the wind direction may be arranged on the upper side so that the filtered air can be blown to a distant place.
[0003] However, the existing air purifiers have low CARD efficiency during purification and require a high-power fan to achieve a large air volume effect. Therefore, if a large air volume air purification effect is required, it will consume more power. In addition, traditional air purifiers do not have a lighting effect.
[0004] In order to effectively solve the above-mentioned problems, the utility model provides an air purifier. Utility Model Content
[0005] (1) Technical issues to be resolved
[0006] The utility model aims at the above-mentioned problems in the prior art and provides an air purifier which can be reasonably manufactured and used in order to make up for the deficiencies of the prior art.
[0007] (2) Technical solution
[0008] In order to solve the above technical problems, the utility model provides such an air purifier, including an outer cylinder, the outer cylinder including an upper shell and a lower shell spliced into one body, the top outer ring of the lower shell is provided with a light strip, and a plurality of air inlet holes are provided below, an air outlet top cover is installed at the top center of the upper shell, and a control panel is provided in the middle of the air outlet top cover;
[0009] A filter assembly is provided on the inner side of the outer cylinder, and the filter assembly includes a filter installed on the inner side of the lower shell body. A drainage air duct is installed above the filter. The bottom of the drainage air duct is straight-cylindrical, the top is trumpet-shaped, and is open upward. A drainage nozzle is provided in the middle of the drainage air duct, and the drainage nozzle is also trumpet-shaped and open upward. The bottom of the drainage air duct is locked with the upper end of the fan, and the lower end of the fan is locked above the filter.
[0010] Preferably, the bottom of the lower shell is rotatably covered with a bottom cover plate, and an armrest is provided in the middle of the bottom cover plate. The armrest is provided to facilitate rotation and pushing, and an upwardly arranged groove is provided on the outer side of the armrest.
[0011] Preferably, an anti-skid pad is provided on the periphery of the bottom cover plate to reduce sliding when placed and make the whole stand more stably.
[0012] Preferably, the outer ring of the fan is sleeved with a press-fit pad, and the press-fit pad and the fan are simultaneously sleeved into the bottom end of the drainage air duct.
[0013] Preferably, the control panel is a touch screen control.
[0014] Preferably, the air outlet top cover has a plurality of circumferentially distributed air outlets radiating from the middle to the outside, and the air outlets are distributed on the periphery of the control panel.
[0015] Preferably, the light strip is distributed in a circular ring shape on the lower housing.
[0016] Preferably, the upper shell and the lower shell are fastened together to form a whole by snapping.
[0017] (3) Beneficial effects
[0018] The utility model arranges a circle of light strips on the outer cylinder to improve the aesthetics during use, and can provide brightness at night, thereby reducing the bumps when the user gets up at night, and reducing the risk of the device being dropped or overturned by the user when walking at night. The utility model also arranges a trumpet-shaped, upward-opening drainage duct on the top of the filter, and arranges the fan between the drainage duct and the filter, so that the resistance can be reduced when the wind flows out, the drainage of the blown wind can be accelerated, and it is ensured that the wind blown by the fan is not backflowed, so that only a small-power fan is needed to achieve the purpose of large air volume, and ultimately the efficiency of the CADR at the air duct outlet is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is an exploded view of the utility model;
[0020] Figure 2 for Figure 1 The spliced three-dimensional image;
[0021] Figure 3 for Figure 2 Schematic diagram from another perspective;
[0022] Figure 4 It is a combined diagram of the fan and the drainage air duct in the utility model;
[0023] Figure 5This is an enlarged and disassembled diagram of the position relationship between the air outlet cover, the drainage duct and the fan.
[0024] The reference numerals are: 100 outer cylinder, 101 upper shell, 102 air outlet top cover, 103 lower shell, 1031 light strip, 1032 air inlet, 104 bottom cover plate, 1041 armrest, 1042 anti-slip pad, 105 control panel
[0025] 200 filter assembly, 201 fan, 202 press pad, 203 drainage duct, 204 filter, 205 drainage nozzle, DETAILED DESCRIPTION
[0026] Combined with Figure 1-5 The utility model is further illustrated with examples.
[0027] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "top", "bottom", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0028] like Figure 1-5 As shown, an air purifier described in the utility model includes an outer cylinder 100, and the outer cylinder 100 includes an upper shell 101 and a lower shell 103 spliced into one body, wherein the splicing method of the two is a snap-on buckle type, which is convenient for installation and disassembly, and the top outer ring of the lower shell 103 is provided with a light strip 1031, and a plurality of air inlet holes 1032 are provided below, and the light strip 1031 is distributed around the lower shell 103 in a circular ring shape, and is arranged to surround the lower shell 103, and can be arranged in one circle or multiple circles, and can also be designed into different light strip shapes, and the upper shell 10 1 is provided with an air outlet top cover 102 at the top center, a control panel 105 is provided in the middle of the air outlet top cover 102, a bottom cover plate 104 is rotatably covered at the bottom of the lower shell 103, an armrest 1041 is provided in the middle of the bottom cover plate 104, an upwardly arranged groove is provided on the outer side of the armrest 1041, and a finger is conveniently placed in the outer periphery for rotation and regulation, an anti-skid pad 1042 is provided on the periphery of the bottom cover plate 104 to increase the friction of the bottom, and at the same time, the control panel 105 is set as a touch screen control to achieve the effect of aesthetics and intelligent control;
[0029] A filter assembly 200 is provided on the inner side of the outer cylinder 100, and the filter assembly 200 includes a filter 204 installed on the inner side of the lower shell. It should be noted that the filter 204 here is a filter structure disclosed in the market in the prior art. Since the present solution is not dedicated to the innovation of the filter 204, it mainly achieves the effect of high air volume with a low-wattage and low-power fan by changing the shape of the air duct and then utilizing the cooperation between the filter 204 and the air duct, thereby improving the CADR rate. Therefore, the filter 204 here can be a solution of the prior art. A drainage duct 203 is installed above the filter 204. The bottom of the drainage duct 203 is in a straight-cylindrical arrangement, the top is in a trumpet-shaped arrangement, and is open upward. A drainage nozzle 205 is provided in the middle of the drainage duct 203. The drainage nozzle 205 is also in a trumpet-shaped arrangement, and is open upward. The bottom of the drainage duct 204 is locked with the upper end of the fan 201, and the lower end of the fan 201 is locked above the filter 204. The outer ring of the fan 201 is sleeved with a compression pad 202, and the compression pad 202 and the fan 201 are simultaneously sleeved into the bottom end of the drainage duct 203, effectively achieving a fixing effect.
[0030] See attached for details Figure 2 and 5 The air outlet top cover 102 has a plurality of circumferentially distributed air outlets radiating from the middle to the outside, and the air outlets are distributed on the periphery of the control panel 105 .
[0031] Working principle: When the utility model is used, it is assembled as follows Figure 2 In the form of, and then by controlling the start of the control panel, the existing air enters through the air inlet of the lower shell, is filtered by the filter, and is guided upward by the fan, and at the same time passes through the trumpet-shaped opening upward drainage duct, and finally flows out from the air outlet around the control panel. In this solution, the air outlet adopts a trumpet-shaped design, which can reduce the resistance of wind speed outflow, and a drainage nozzle is arranged in the middle of the drainage duct, which can accelerate the drainage of the blown wind and ensure that the wind blown by the fan is not backflowed, so that a small-power fan can be used to achieve a large air volume. The solution has entered actual production, and after testing, the experimental data obtained is: as long as the fan power is 13 watts, a strong wind speed can be achieved, and the CADR efficiency detected at the air duct outlet can reach more than 100, and the use effect is good.
[0032] In addition, when used at night, the light strip can be turned on to facilitate positioning and identification, and can provide dim light to reduce the user's dim vision when getting up at night, thereby improving the aesthetics and practicality of use.
[0033] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description is relatively specific and detailed, but the utility model is not limited to these embodiments. It should be pointed out that for ordinary technicians in this field. Under the premise of not departing from the purpose of the utility model, any improvement made shall fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. An air purifier, characterized in that: The outer cylinder comprises an upper shell and a lower shell which are spliced into one body, a light strip is arranged on the outer ring of the top of the lower shell, and a plurality of air inlet holes are arranged below the lower shell, an air outlet cover is installed at the center of the top of the upper shell, and a control panel is arranged in the middle of the air outlet cover; A filter assembly is provided on the inner side of the outer cylinder, and the filter assembly includes a filter installed on the inner side of the lower shell body. A drainage air duct is installed above the filter. The bottom of the drainage air duct is straight-cylindrical, the top is trumpet-shaped, and is open upward. A drainage nozzle is provided in the middle of the drainage air duct, and the drainage nozzle is also trumpet-shaped and open upward. The bottom of the drainage air duct is locked with the upper end of the fan, and the lower end of the fan is locked above the filter.
2. An air purifier according to claim 1, characterized in that: The bottom of the lower shell is rotatably covered with a bottom cover plate, the middle of the bottom cover plate is provided with an armrest portion, and the outer side of the armrest portion is provided with an upwardly arranged groove.
3. An air purifier according to claim 2, characterized in that: An anti-skid pad is arranged on the periphery of the bottom cover plate.
4. An air purifier according to claim 1, characterized in that: The outer ring of the fan is sleeved with a press-fit pad, and the press-fit pad and the fan are simultaneously sleeved into the bottom end of the drainage air duct.
5. An air purifier according to claim 1, characterized in that: The control panel is a touch screen control.
6. An air purifier according to claim 1, characterized in that: The air outlet top cover has a plurality of circumferentially distributed air outlets radiating from the middle to the outside, and the air outlets are distributed on the periphery of the control panel.
7. An air purifier according to claim 1, characterized in that: The light strip is distributed in a circular ring shape on the lower shell.
8. An air purifier according to claim 1, characterized in that: The upper shell and the lower shell are buckled together to form a whole.