Air purifier

Abstract

The air purifier comprises a front frame and a shell, the front frame and the shell are combined to form a containing cavity, the two sides of the front frame are provided with an air inlet and an air outlet respectively, the air inlet and the air outlet are communicated with the outside, an ultraviolet disinfection lamp is arranged in the containing cavity and located above the air inlet, a plurality of cooling fins are arranged on the ultraviolet disinfection lamp at intervals, and the cooling fins are arranged in the containing cavity. A heat dissipation air channel perpendicular to the air inlet is formed between the two heat dissipation fins, a fan is arranged above the air outlet, and the fan is used for generating air flow which enters from the air inlet, passes through the heat dissipation air channel and is exhausted from the air outlet in the containing cavity. According to the air purifier, the heating temperature of the ultraviolet lamp is reduced, and therefore the safety and stability of equipment in the using process are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to air purification field, concretely relates to an air purifier. BACKGROUND

[0002] With the enhancement of public health consciousness, air sterilizer is more and more popular in hospital, school, office place and other public places, wherein air purifier can be provided with ultraviolet lamp air sterilizer to sterilize inhaled air, however, ultraviolet lamp usually generates heat due to working principle. The main reason of ultraviolet lamp heating is that they excite gas or fluorescent powder by current to generate ultraviolet radiation, and this process can convert energy into heat, thereby causing the surface of lamp tube to heat. When using ultraviolet lamp, it is necessary to ensure sufficient ventilation and heat dissipation to avoid overheating and cause safety problem or affect the service life of ultraviolet sterilizer. SUMMARY

[0003] The utility model solves the problem of providing an air purifier to reduce the temperature of ultraviolet lamp heating, thereby ensuring the safety and stability of the equipment in use.

[0004] The utility model provides a kind of air purifier, including front frame, shell, the front frame and shell combination form containing cavity, the both sides of the front frame are respectively provided with air inlet, exhaust port communicated with outside, ultraviolet disinfection lamp is located in containing cavity and is above air inlet, ultraviolet disinfection lamp is spaced apart and is provided with multiple radiating fins, the radiating air passage perpendicular to air inlet is formed between two radiating fins, fan is located above exhaust port, and the fan is used to generate airflow in containing cavity from air inlet into radiating air passage and discharge by exhaust port.

[0005] Compared with prior art, the both sides of the front frame are respectively provided with air inlet and exhaust port, these ports can be communicated with external environment, to ensure good ventilation. A fan is installed above the exhaust port, and the main function is to generate airflow in the containing cavity, to introduce fresh air from the air inlet and discharge through the exhaust port. Ultraviolet disinfection lamp is provided above the air inlet, and multiple radiating fins are spaced apart on the ultraviolet disinfection lamp. The radiating air passage perpendicular to the air inlet is formed between the two radiating fins. These radiating air passages increase the heat dissipation area, which helps to improve the conduction and emission of heat, effectively reduces the temperature of the heating element, thereby ensuring the safety and stability of the equipment in use.

[0006] Preferably, the ultraviolet disinfection lamp includes a back plate, the back plate is provided with a lampshade at the upper and lower ends of the side facing the exhaust port, and a lamp strip is arranged between the two lampshades, wherein the back of the lamp strip abuts against one side of the back plate, and the back plate is fixedly connected with the front frame. The specific ultraviolet disinfection lamp includes a lamp strip and a back plate, and the back of the lamp strip abuts against one side of the back plate to conduct heat to the back plate.

[0007] Preferably, the back plate is spaced apart from the side of the exhaust port and is provided with a plurality of heat dissipation grooves penetrating and perpendicular to the air inlet, the heat dissipation grooves form heat dissipation air channels, and the heat dissipation fins are formed between two heat dissipation grooves. The back plate and the heat dissipation fins are of an integrated structure, which is better in heat conduction and is beneficial to installation. Specifically, a plurality of heat dissipation grooves perpendicular to the air inlet are formed on the back plate to form the heat dissipation fins.

[0008] Preferably, the front frame is further fixedly connected with a lamp holder and a heat dissipation holder, the lamp holder is located between the air inlet and the back plate and is used for fixedly connecting the back plate and the front frame, the heat dissipation holder is located between the exhaust port and the fan and is used for fixedly connecting the fan and the front frame, and a grating holder is fixedly connected in the lamp holder and the heat dissipation holder, a through groove is formed in the middle of the grating holder, and a plurality of grating pieces are transversely arranged in the through groove.

[0009] Preferably, the back plate is made of metal material, and the metal material of the heat conduction block helps to improve the heat conduction effect.

[0010] Preferably, the fan is a centrifugal fan, and the selection of the centrifugal fan can reduce the noise during the operation of the equipment and make the equipment more silent. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a sectional view of the utility model;

[0012] Figure 2 It is a perspective view of the utility model after removing the shell;

[0013] Figure 3 It is a perspective view of the utility model after removing the shell and the ultraviolet disinfection lamp;

[0014] Figure 4 It is a perspective view of the utility model in which the grating holder and the spring buckle are clamped.

[0015] Illustration: 1, front frame; 1.1, air inlet; 1.2, exhaust port; 2, shell; 3, containing cavity; 4, ultraviolet disinfection lamp; 4.1, back plate; 4.2, lampshade; 4.3, lamp strip; 4.4, heat dissipation groove; 4.5, heat dissipation air channel; 4.6, heat dissipation fin; 5, fan; 6, lamp holder; 7, heat dissipation holder; 8, grating holder; 8.1, through groove; 8.2, grating piece; 9, spring buckle. DETAILED DESCRIPTION

[0016] Before any embodiments of the present application are explained in detail, it is to be understood that the application is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The application is capable of other embodiments and of being practiced or being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," or "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless specified or limited otherwise, the terms "mounted," "connected," "supported," and "coupled" and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings. Further, "connected" and "coupled" are not restricted to physical or mechanical connections or couplings.

[0017] Also, in the disclosure of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as limiting the present application; secondly, the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, the term "one" cannot be understood as limiting the number.

[0018] Those skilled in the art will understand that the embodiments of the present application shown in the above description and drawings are only examples and do not limit the present application. The purpose of the present application has been fully and effectively achieved. The function and structural principle of the present application has been shown and explained in the embodiments, and the embodiments of the present application can have any modification or change without departing from the said principle.

[0019] The embodiments of the present application will be further described below with reference to the accompanying drawings.

[0020] Please refer to Figures 1 to 2 An air purifier mainly consists of a front frame 1 and a shell 2. The two are combined with each other to form a containing cavity 3. On both sides of the front frame 1, an air inlet 1.1 and an air outlet 1.2 are arranged respectively, and the two openings are in communication with the external environment.

[0021] In the accommodating cavity 3, the upper position of the air inlet 1.1 is provided with an ultraviolet disinfection lamp 4. A plurality of fins 4.6 are arranged on the ultraviolet disinfection lamp 4. The fins 4.6 form air cooling channels 4.5 between each other, and the air cooling channels 4.5 are perpendicular to the direction of the air inlet 1.1. Above the air outlet 1.2, a fan 5 is arranged. The fan 5 can cause an air flow in the accommodating cavity 3, that is, the air flow enters from the air inlet 1.1, then passes through the air cooling channels 4.5, and finally is discharged from the air outlet 1.2.

[0022] Further, the upper and lower ends of the back plate 4.1 towards the air outlet 1.2 are provided with lampshades 4.2, and a lamp strip 4.3 is arranged between the two lampshades 4.2. The back of the lamp strip 4.3 is closely attached to one side of the back plate 4.1, so as to ensure the stability of the structure. Moreover, the back plate 4.1 is fixedly connected with the front frame 1.

[0023] Further, the upper and lower ends of the back plate 4.1 towards the air outlet 1.2 are provided with lampshades 4.2, and a lamp strip 4.3 is arranged between the two lampshades 4.2. The back of the lamp strip 4.3 is closely attached to one side of the back plate 4.1, so as to ensure the stability of the structure. Moreover, the back plate 4.1 is fixedly connected with the front frame 1.

[0024] In addition, please refer to Figures 3 to 4 The lamp holder 6 is located between the air inlet 1.1 and the back plate 4.1, and the spring buckle 9 is used to stably connect the back plate 4.1 and the front frame 1. The heat dissipation holder 7 is located between the air outlet 1.2 and the fan 5, and the spring buckle 9 is also used to fix the fan 5 and the front frame 1. The lamp holder 6 and the heat dissipation holder 7 are both fixedly connected with the grid holder 8. The middle part of the grid holder 8 forms a through slot 8.1, and a plurality of grid pieces 8.2 are arranged in the through slot 8.1 along the transverse direction.

[0025] There are two important features. The back plate 4.1 is made of metal material, which is beneficial to heat dissipation. The fan 5 is a centrifugal fan 5, which can more effectively cause the air flow to flow in the accommodating cavity 3 according to the designed direction, so as to ensure the heat dissipation effect.

[0026] The above only describes the best embodiment of the utility model, but cannot be understood as a limitation on the claims. The utility model is not limited to the above embodiment, and the specific structure can be changed. Any change within the protection scope of the independent claims of the utility model is within the protection scope of the utility model.

Claims

1. An air cleaner comprising a front frame (1), a housing (2), characterized in that: The front frame (1) and the shell (2) combine to form a containing cavity (3), both sides of the front frame (1) are respectively provided with an air inlet (1.1) and an air outlet (1.2) which communicate with the outside, an ultraviolet disinfection lamp (4) is arranged above the air inlet (1.1) in the containing cavity (3), a plurality of heat dissipation fins (4.6) are arranged on the ultraviolet disinfection lamp (4) at intervals, a heat dissipation air channel (4.5) perpendicular to the air inlet (1.1) is formed between two heat dissipation fins (4.6), a fan (5) is arranged above the air outlet (1.2), and the fan (5) is used to generate an air flow in the containing cavity (3) from the air inlet (1.1), through the heat dissipation air channel (4.5) and discharged by the air outlet (1.2).

2. The air cleaner of claim 1, wherein: The ultraviolet disinfection lamp (4) comprises a back plate (4.1), lamp covers (4.2) are arranged at the upper end and the lower end of the side of the back plate (4.1) facing the air outlet (1.2), a lamp strip (4.3) is arranged between the two lamp covers (4.2), wherein the back surface of the lamp strip (4.3) abuts against one side of the back plate (4.1), and the back plate (4.1) is fixedly connected with the front frame (1).

3. The air cleaner of claim 2, wherein: A plurality of heat dissipation grooves (4.4) penetrating and perpendicular to the air inlet (1.1) are arranged at intervals on the side of the back plate (4.1) facing away from the air outlet (1.2), the heat dissipation grooves (4.4) form heat dissipation air channels (4.5), and the heat dissipation air channels (4.5) form heat dissipation fins (4.6) between two heat dissipation grooves (4.4).

4. The air cleaner of claim 3, wherein: The front frame (1) is further fixedly connected with a lamp holder (6) and a heat dissipation holder (7), the lamp holder (6) is located between the air inlet (1.1) and the back plate (4.1) and is used to fixedly connect the back plate (4.1) and the front frame (1), the heat dissipation holder (7) is located between the air outlet (1.2) and the fan (5) and is used to fixedly connect the fan (5) and the front frame (1), wherein the lamp holder (6) and the heat dissipation holder (7) are both fixedly connected with a grating holder (8), a through groove (8.1) is formed in the middle of the grating holder (8), and a plurality of grating pieces (8.2) are arranged in the through groove (8.1) at intervals in the transverse direction.

5. The air cleaner of claim 4, wherein: The back plate (4.1) is made of metal.

6. The air cleaner of claim 4, wherein: The fan (5) is a centrifugal fan (5).

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