CN111701066A - Sterilizing lamp - Google Patents

Abstract

The invention discloses a sterilization and disinfection lamp, which includes a lamp body assembly. The top and bottom of the lamp body assembly are respectively provided with air inlet holes and air outlet holes. The lamp body assembly is provided with a circuit board assembly, an ultraviolet light emitting device, a fan and a filter screen. The bracket, the filter bracket covers the ultraviolet light-emitting device, the filter bracket is provided with air passage holes, and the filter bracket is covered with the air filter device to cover the air flow channel holes. The fan is electrically connected. The fan is used to inhale the outside air from the air intake hole into the inner cavity of the filter holder, and through the air passage hole after being filtered by the air filter device, it is discharged from the air outlet hole. , Bacteria and tiny particles are filtered and retained by the air filter device, and sterilized and sterilized by the ultraviolet light-emitting device.

Description

a germicidal lamp

technical field

The invention relates to a sterilization and disinfection appliance, in particular to a sterilization and disinfection lamp.

Background technique

The pathogenic bacteria or viruses of many diseases can be transmitted through the air, especially the spread of infectious diseases, which poses a serious threat to human life and health. In recent years, the outbreak of Severe Acute Respiratory Syndrome (SARS), Middle East Respiratory Syndrome (MERS), and novel coronavirus pneumonia has sounded the alarm for mankind. The existing means of eliminating viruses and bacteria in the air are limited, mainly by spraying, that is, chemical disinfectants (powder) are spread into the air by vaporizing spray or spraying, but this method is prone to excessive disinfection and should not be used. Directly use disinfectant (powder) to spray and disinfect the whole body of personnel, and chemical disinfectants should not be used to disinfect indoor air under the condition of people, because chemical disinfectants are harmful to human body. There is also a way to sterilize indoor air by direct irradiation of ultraviolet fluorescent lamps, but in this way, no one is allowed in the room to prevent ultraviolet rays from causing damage to human eyes, skin, etc., and this method of sterilization will produce ozone. , it is also harmful to the human body, so this method cannot work in real time in a human environment. Once it stops working, the indoor air quality will quickly return to the level before purification, and its sterilization and disinfection effect will also disappear. . Therefore, how to scientifically and effectively kill viruses and bacteria in the air and purify the air is an important topic.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a sterilizing and disinfection lamp that can work continuously, is easy to use, prevents ultraviolet leakage, is safe and harmless to the human body, and cleans people in the house.

The technical solution adopted in the present invention is: the present invention includes a lamp body assembly, the top and bottom of the lamp body assembly are respectively provided with air inlet holes and air outlet holes, and the lamp body assembly is provided with a circuit board assembly and an ultraviolet light emitting device. , a fan, a filter screen bracket, the filter screen bracket encloses the ultraviolet light-emitting device, the air flow channel hole is arranged on the filter screen bracket, and the air filter device is covered on the filter screen bracket, so that all the The air passage hole is covered, and the circuit board assembly is electrically connected to the ultraviolet light emitting device and the fan respectively, and the fan is used to inhale the outside air from the air inlet hole into the inner cavity of the filter holder. , and after being filtered by the air filter device through the air passage hole, it is discharged from the air outlet hole. When flowing through the air filter device, viruses, bacteria and tiny particles are filtered and retained by the air filter device, and passed through the air filter device. The ultraviolet light-emitting device is irradiated for sterilization and disinfection.

The lamp body assembly includes a lower casing, an upper casing and a base, the lower casing is matched and sealed with the side wall of the upper casing, and the bottom of the filter screen bracket is provided with a convex rib buckle, The lower shell is provided with a buckle seat, the base is provided with elastic buckles and a bayonet, and the convex rib buckle is inserted into the bayonet and rotated at an angle by the edge of the bayonet. The filter mesh support is connected and fixed with the base, and the elastic buckle is fitted with the buckle seat, so that the base can be detachably connected with the lower casing.

After the base and the lower casing are connected and fixed, the annular air inlet hole is formed between the outer edge of the base and the bottom edge of the lower casing, and the air inlet is passed from the bottom to the filter At the same time, the filter mesh support isolates the inner cavity of the lower casing from the outside, and the air outlet is located on the top of the upper casing.

The lamp body assembly is also provided with an inner bracket, the top of the inner bracket is provided with a first bolt hole, the side wall of the fan is provided with a second bolt hole, and the upper casing is provided with a first threaded post , the fan is clamped between the top of the inner bracket and the first threaded column, and is connected to the first threaded through the first bolt hole and the second bolt hole in turn by screws. on the column to connect and fix the inner bracket and the fan.

The bottom of the inner bracket is provided with a second threaded column, and the lower shell is provided with a third bolt hole, which is connected with the second threaded column after passing through the third bolt hole, so that the lower The shell is connected and fixed with the inner bracket, and at the same time, the upper part of the filter screen bracket extends into the inner cavity of the inner bracket.

The ultraviolet light-emitting device is an ultraviolet light bulb, and the sterilization lamp further includes a lamp holder, and the lamp holder is fixed on the base.

The bottom of the lower casing is provided with a hanging ring.

The lower casing is light-transmitting, and the circuit board assembly is provided with an LED lamp, and the LED lamp emits light through the lower casing.

The air filter device adopts a multi-layer filter screen or a melt-blown cloth.

The fan is an axial flow fan.

The germicidal and disinfection lamp further includes a power supply interface to supply power to the circuit board assembly, the ultraviolet light-emitting device, and the fan through an external power supply.

The sterilization and disinfection lamp also includes a wall-mounted accessory, which includes a power box, a curve code, and a bottom bracket. The power box is provided with a conversion power supply, and the curve code is provided with a connection hole for connecting to the wall, so the The power supply box is respectively connected with the curved code and the bottom bracket, the front end of the bottom bracket is provided with a hook portion, the front surface of the power supply box is a curved surface, and the output of the conversion power supply is arranged on the curved surface. The shape of the curved surface is adapted to the shape of the outer side wall of the lamp body assembly. When the lamp body assembly is connected to the wall-mounted accessory, the curved surface is in line with the outer side wall of the lamp body assembly. The plug and the power supply interface are adapted to be plugged and conductive, so as to supply power to the circuit board assembly, the ultraviolet light-emitting device, and the fan through the conversion power supply, and the hook portion is snapped into the In the air inlet hole, it is used to support and hook the lamp body assembly.

Alternatively, the germicidal and disinfection lamp further includes a wall-mounted accessory, the wall-mounted accessory includes a wall-mounted bracket and a curved code, the wall-mounted support is provided with a conversion power supply, and the curved code is provided with a connection hole for connecting to the wall, the The wall-hanging bracket is fixedly connected with the curve code and the lamp body assembly respectively by screws, the front of the wall-hanging bracket is provided with a plug connected with the output end of the conversion power supply, and the shape of the front of the wall-hanging bracket is the same as that of the wall-hanging bracket. The shape of the outer side wall of the lamp body assembly is adapted to the shape. When the lamp body assembly is connected with the wall-mounted accessory, the front surface of the wall-hanging bracket abuts against the outer side wall of the lamp body assembly, and the plug is connected to the The power supply interface is adapted to be plugged in and conduct electricity, so as to supply power to the circuit board assembly, the ultraviolet light emitting device and the fan through the conversion power supply.

The beneficial effects of the present invention are: since the present invention includes a lamp body assembly, the top and bottom of the lamp body assembly are respectively provided with air inlet holes and air outlet holes, and the lamp body assembly is provided with a circuit board assembly, an ultraviolet light emitting device, A fan and a filter screen bracket, the filter screen bracket encloses the ultraviolet light-emitting device, the air flow channel holes are arranged on the filter screen bracket, and the air filter device is covered on the filter screen bracket to The air passage hole is covered, and the circuit board assembly is electrically connected with the ultraviolet light-emitting device and the fan respectively, and the fan is used to inhale the outside air from the air inlet hole into the inner cavity of the filter holder, After being filtered by the air filter device through the airflow channel hole, the air is discharged from the air outlet hole. When flowing through the air filter device, viruses, bacteria and tiny particles are filtered and retained by the air filter device, and pass through the air filter device. The ultraviolet light-emitting device is irradiated for sterilization and disinfection; the present invention overcomes the defects and deficiencies of the prior art, and through the built-in fan, the outside air is input from the air inlet hole and output from the air outlet hole, so that the indoor air is continuously circulated , When the air flows through the air filter device, viruses, bacteria and tiny particles are trapped, and dust, bacteria, viruses, etc. of PM2.5 and above can be filtered, and the ultraviolet light-emitting device is continuously irradiated for a sufficient time. , effectively irradiating and sterilizing for a long time to kill bacteria and viruses on the air filter device to achieve the effect of purifying the air; in addition, through the filter screen bracket, the air filter device and the lamp body assembly package The cover blocks the ultraviolet rays from being emitted to the outside of the lamp body assembly, completely avoids the leakage of ultraviolet light, and can safely sterilize and detoxify when there are people indoors, purify the indoor air in real time, and work even when sleeping in the bedroom; Therefore, the present invention is a sterilizing and disinfecting lamp that can work continuously, is convenient to use, prevents the leakage of ultraviolet rays, is safe and harmless to the human body, and cleans people in the house;

Because the sterilizing lamp also includes a wall-mounted accessory, the wall-mounted accessory includes a power supply box, a curved code, and a bottom bracket, the power supply box is provided with a conversion power supply, and the curved code is provided with a connection hole for connecting to the wall, The power supply box and the bottom bracket are respectively connected with the curve code, the front end of the bottom bracket is provided with a hook portion, the front surface of the power supply box is a curved surface, and the curved surface is provided with a connection with the conversion power supply. A plug to which the output end is connected, the shape of the curved surface is adapted to the shape of the outer side wall of the lamp body assembly, and when the lamp body assembly is connected to the wall-mounted accessory, the curved surface and the outer side wall of the lamp body assembly abutting, the plug and the power supply interface are adapted to plug and conduct electricity, so as to supply power to the circuit board assembly, the ultraviolet light-emitting device, and the fan through the conversion power supply, and the hook portion is snapped into The air inlet hole is used to support and hook the lamp body assembly; the present invention not only ingeniously realizes the structural connection when connecting with the lamp body assembly through the wall-mounted accessories, but also ingeniously realizes the structural connection. Without any change in the structure of the lamp body assembly, it can be used in the form of a wall lamp, and the circuit connection is completed in one go, and the overall appearance is harmonious and unobtrusive. Table lamps, bedside lamps, chandeliers and other forms of use, realize the multi-purpose use of one lamp, save costs and be convenient to use;

In the same way, since the germicidal lamp also includes a wall-mounted accessory, the wall-mounted accessory includes a wall-mounted bracket and a curved code, the wall-mounted support is provided with a conversion power supply, and the curved code is provided with a connection hole for connecting to the wall, The wall-hanging bracket is fixedly connected with the curve code and the lamp body assembly respectively by screws. The front of the wall-hanging bracket is provided with a plug connected with the output end of the conversion power supply. The shape of the front of the wall-hanging bracket is It matches the shape of the outer side wall of the lamp body assembly. When the lamp body assembly is connected to the wall-mounted accessory, the front side of the wall-hanging bracket abuts against the outer side wall of the lamp body assembly. The power supply interface is adapted to plug and conduct electricity, so as to supply power to the circuit board assembly, the ultraviolet light-emitting device, and the fan through the conversion power supply; the present invention uses the wall-mounted accessory to connect with the lamp body. When the components are connected, not only the structural connection is cleverly realized, but the lamp body assembly can be used in the form of a wall lamp without any change in the structure, and the circuit connection is made in one go, the overall appearance is harmonious and unobtrusive, and it is easy to disassemble, saving energy cost, easy to use.

Description of drawings

1 is a schematic diagram of the overall structure of the germicidal and disinfection lamp according to the first embodiment of the present invention;

2 is a schematic diagram of the exploded structure of the germicidal and disinfection lamp according to the first embodiment of the present invention;

3 is a schematic side view of the sterilization and disinfection lamp according to the first embodiment of the present invention;

Figure 4 is a schematic view of the AA cross-sectional structure shown in Figure 3;

FIG. 5 is a schematic view of the BB cross-sectional structure shown in FIG. 4;

6 is a schematic diagram of the connection structure of the filter screen support and the base of the sterilization lamp according to the first embodiment of the present invention;

7 is a schematic diagram of the overall structure of the germicidal and disinfection lamp according to the second embodiment of the present invention;

FIG. 8 is a schematic diagram of the component exploded structure of the germicidal and disinfection lamp according to the second embodiment of the present invention;

9 is a partial cross-sectional structural schematic diagram of the germicidal and disinfection lamp according to the second embodiment of the present invention;

10 is a schematic diagram of the overall structure of the sterilization lamp according to the third embodiment of the present invention;

FIG. 11 is a schematic diagram of a component exploded structure of the germicidal and sterilizing lamp according to the third embodiment of the present invention;

FIG. 12 is a partial cross-sectional structural schematic diagram of the germicidal and disinfection lamp according to the third embodiment of the present invention.

Detailed ways

Example 1:

As shown in FIGS. 1 to 6 , the germicidal and sterilizing lamp of this embodiment can be used as a table lamp, a bedside lamp, a camping lamp, etc., and includes a lamp body assembly. The air hole 10 and the air outlet hole 20, the lamp body assembly is provided with a circuit board assembly 3, an ultraviolet light-emitting device 4, a fan 5, and a filter screen support 7, and the filter screen support 7 covers the ultraviolet light-emitting device 4 in the Inside, the air passage holes 70 are provided on the filter screen support 7, and the air filter device 8 is covered on the filter screen support 7 to cover the air flow passage holes 70. The circuit board assembly 3 and the The ultraviolet light-emitting device 4 and the fan 5 are electrically connected, and the fan 5 is used to inhale the outside air from the air inlet hole 10 into the inner cavity of the filter screen support 7, and pass through the air passage hole 70. After the air filter device 8 is filtered, it is discharged from the air outlet 20. When passing through the air filter device 8, viruses, bacteria and tiny particles are filtered and intercepted by the air filter device 8, and pass through the ultraviolet light emitting device. 4. Irradiation sterilization and disinfection; the air filter device 8 adopts a multi-layer filter screen or a melt-blown cloth, which has a low cost and is suitable for regular replacement.

Specifically, the lamp body assembly includes a lower casing 1 , an upper casing 2 , and a base 9 , the lower casing 1 is matched and sealed with the side wall of the upper casing 2 , and the filter screen support 7 The bottom is provided with a convex rib buckle 70, the lower shell 1 is provided with a buckle seat 16, the base 9 is provided with an elastic buckle 90 and a bayonet 91, and the convex rib buckle 70 is inserted into the After the bayonet 91 is rotated at an angle, it is blocked and fixed by the edge of the bayonet 91, so that the filter holder 7 is connected and fixed with the base 9, and the elastic buckle 90 is adapted to the buckle seat 16. It is clamped and fixed, so that the base 9 and the lower casing 1 can be detachably connected, which is convenient for installation and removal, and it is convenient to replace the consumables such as the ultraviolet light emitting device 4 and the air filter device 8, and it is also easy to clean; After the base 9 and the lower casing 1 are connected and fixed, the annular air inlet hole 10 is formed between the outer edge of the base 9 and the bottom edge of the lower casing 1, and enters from the bottom. to the inner cavity of the filter screen support 7, while the filter screen support 7 isolates the inner cavity of the lower shell 1 from the outside world, and the air outlet hole 20 is located at the top of the upper shell 2; this embodiment Among them, the ultraviolet light-emitting device 4 is an ultraviolet light bulb, and the sterilizing lamp also includes a lamp holder 40, which is fixed on the base 9, and the ultraviolet light bulb only generates a very small amount of ozone, and the ozone also It can be adsorbed by the air filter device 8, so it will not cause damage to the human body; in this embodiment, the bottom of the lower casing 1 is provided with a hooking ring 18 to facilitate hooking. The hanging ring 18 can be accommodated in the air intake hole 10 at the bottom of the lower casing 1, which is convenient to use. In addition, the hanging ring 18 can also be hung with a rope, so that this embodiment can be hung up. It is used as a pendant lamp; the lower casing 1 is light-transmitting, and the circuit board assembly 3 is provided with an LED lamp 30, which emits light through the lower casing 1, and the upper casing 2 can The LED lamp 30 can illuminate the lamp body assembly for the purpose of ambient lighting and decoration. Of course, it can also be directly used for general functional lighting.

The lamp body assembly is also provided with an inner bracket 6, the top of the inner bracket 6 is provided with a first bolt hole 60, the side wall of the fan 5 is provided with a second bolt hole 50, and the upper casing 2 There is a first threaded column 21 inside, the fan 5 is clamped between the top of the inner bracket 6 and the first threaded column 21, and passes through the first bolt hole 60, the The second bolt hole 50 is then connected to the first threaded column 21 to connect and fix the inner bracket 6 and the fan 5 ; the bottom of the inner bracket 6 is provided with a second threaded column 61 . The lower casing 1 is provided with a third bolt hole 11 , which is connected to the second threaded post 61 through the screw passing through the third bolt hole 11 , so as to connect the lower casing 1 to the inner bracket 6 At the same time, the upper part of the filter support 7 extends into the inner cavity of the inner support 6, so that the fan 5 directly extracts the air in the inner cavity of the filter support 7 through the inner cavity of the inner support 6 ; In this embodiment, the fan 5 is a silent fan, and the fan 5 adopts an axial flow fan.

The germicidal lamp also includes a power supply interface 12 to supply power to the circuit board assembly 3 , the ultraviolet light emitting device 4 , and the fan 5 through an external power source such as a power adapter, a power bank, and the like.

The principle of this embodiment is as follows: the lower casing 1 and the upper casing 2 form a closed space, the internal air can only be passively discharged through the fan 5 , and the external air can only pass through the air intake hole 10 from the bottom Inhalation, when working, the fan 5 continuously discharges the internal air, forcing the external air to be sucked in from the bottom, so that when viruses and bacteria are passed through the airflow passage hole 70, they are blocked inside by the air filter device 8, and are blocked by all The ultraviolet light-emitting device 4 kills and circulates back and forth, so as to achieve the purpose of sterilizing and disinfecting the indoor air.

Embodiment 2:

As shown in FIGS. 7 to 9 , the difference between this embodiment and the first embodiment is that: on the basis of the first embodiment, the sterilization and disinfection lamp of this embodiment further includes a wall-mounted accessory, and the wall-mounted accessory includes a power supply box 99, The curved code 93 and the bottom bracket 94, the power box 99 is provided with a conversion power supply 92, the curved code 93 is provided with a connecting hole 96 for connecting to the wall, and the power supply box 99 is respectively connected with the curved code 93, The bottom bracket 94 is connected by screws, the front end of the bottom bracket 94 is provided with a hook portion 97, the front surface of the power supply box 99 is a curved surface 95, and the curved surface 95 is provided with the output end of the conversion power supply 92 The connected plug 98, the shape of the curved surface 95 is adapted to the shape of the outer side wall of the lamp body assembly. When the lamp body assembly is connected to the wall attachment, the curved surface 95 is connected to the outer side of the lamp body assembly. The wall is close to each other, and the plug 98 is adapted to be inserted into the power supply interface 12 and conduct electricity, so as to supply power to the circuit board assembly 3 , the ultraviolet light emitting device 4 , and the fan 5 through the conversion power supply 92 , the hook portion 97 is snapped into the air intake hole 10 for supporting and hooking the lamp body assembly.

In this embodiment, through the wall-mounted accessory, when connecting with the lamp body assembly, not only the structural connection is achieved ingeniously, but the lamp body assembly can be used in the form of a wall lamp without any change in the structure of the lamp body assembly. The circuit connection is completed in one go, and the overall appearance is harmonious and unobtrusive. When it does not need to be used as a wall lamp, the lamp body assembly can also be removed and used as table lamps, bedside lamps, chandeliers and other forms of use (that is, the form of the first embodiment), One lamp is multi-purpose, cost saving and easy to use.

The remaining features of this embodiment are the same as those of the first embodiment.

Embodiment three:

As shown in FIGS. 10 to 12 , the difference between this embodiment and Embodiment 1 is that: on the basis of Embodiment 1, the germicidal lamp of this embodiment further includes a wall-mounted accessory, and the wall-mounted accessory includes a wall-mounted bracket 80 , Curve code 93, the wall hanging bracket 80 is provided with a conversion power supply 92, the curve code 93 is provided with a connecting hole 96 for connecting to the wall, the wall hanging bracket 80 is respectively connected with the curve code 93, the lamp body The components are fixedly connected by screws 81. The side wall of the lamp body assembly is provided with screw holes 82 for the screws 81 to pass through. The shape of the front face of the wall hanging bracket 80 is adapted to the shape of the outer side wall of the lamp body assembly. When the lamp body assembly is connected to the wall hanging accessory, the front face of the wall hanging bracket 80 is compatible with the The outer side walls of the lamp body assembly abut against each other, and the plug 98 is adapted to be inserted into the power supply interface 12 and conduct electricity, so that the circuit board assembly 3, the ultraviolet light emitting device 4, The fan 5 is powered. In this embodiment, the lamp body assembly is inverted, that is, the lower casing 1 is above and the upper casing 2 is below. Of course, it can also be placed in a forward direction as in the second embodiment.

In this embodiment, through the wall-mounted accessory, when connecting with the lamp body assembly, not only the structural connection is achieved ingeniously, but the lamp body assembly can be used in the form of a wall lamp without any change in the structure of the lamp body assembly. The circuit connection is completed in one go, the overall appearance is harmonious and not obtrusive, and it is easy to disassemble, saving costs and easy to use.

The remaining features of this embodiment are the same as those of the first embodiment.

The present invention overcomes the defects and deficiencies of the prior art. By building the fan 5, the outside air is input from the air inlet 10 and output from the air outlet 20, so that the indoor air is continuously circulated, and the air flows through When the air filter device 8 is used, viruses, bacteria and tiny particles are trapped, and dust, bacteria, viruses, etc. of PM2.5 and above can be filtered, and the ultraviolet light-emitting device 4 is continuously irradiated for a sufficient time, effectively irradiating The antivirus and sterilization time is long to kill bacteria and viruses on the air filter device 8 to achieve the effect of purifying the air; in addition, through the filter screen support 7, the air filter device 8 and the lamp body assembly package The cover blocks the ultraviolet rays from being emitted to the outside of the lamp body assembly, completely avoids the leakage of ultraviolet light, and can safely sterilize and detoxify when there are people indoors, purify the indoor air in real time, and work even when sleeping in the bedroom; Therefore, the present invention is a sterilizing and sterilizing lamp that can work continuously, is convenient to use, prevents the leakage of ultraviolet rays, is safe and harmless to the human body, and cleans people in the house.

The invention can be widely used in the field of air purification.

Claims (10)

1. A germicidal lamp, comprising: comprises a lamp body component, the top and the bottom of the lamp body component are respectively provided with an air inlet hole (10) and an air outlet hole (20), the lamp body component is internally provided with a circuit board component (3), an ultraviolet light-emitting device (4), a fan (5) and a filter screen bracket (7), the filter screen bracket (7) covers the ultraviolet light-emitting device (4), the filter screen bracket (7) is provided with an air flow channel hole (70), the filter screen bracket (7) is covered with an air filter device (8) to cover the air flow channel hole (70), the circuit board component (3) is respectively electrically connected with the ultraviolet light-emitting device (4) and the fan (5), the fan (5) is used for sucking the outside air from the air inlet hole (10) to the inner cavity of the filter screen bracket (7) and is filtered by the air filter device (8) through the air flow channel hole (70), discharged from the air outlet hole (20), and when flowing through the air filtering device (8), viruses, bacteria and micro particles are filtered and trapped by the air filtering device (8) and are irradiated by the ultraviolet light-emitting device (4) for sterilization and disinfection.

2. The germicidal lamp as in claim 1, wherein: the lamp body subassembly includes casing (1), last casing (2), base (9) down, casing (1) down with go up the lateral wall looks adaptation sealing connection of casing (2), the bottom of filter screen support (7) is equipped with bead buckle (70), be equipped with buckle seat (16) down in casing (1), be equipped with elasticity buckle (90), bayonet socket (91) on base (9), bead buckle (70) insert bayonet socket (91) back rotation angle quilt the edge of bayonet socket (91) blocks fixedly, so that filter screen support (7) with base (9) are connected fixedly, elasticity buckle (90) with buckle seat (16) looks adaptation joint is fixed, so that base (9) with casing (1) detachable down is connected.

3. The germicidal lamp as in claim 2, wherein: the base (9) is fixedly connected with the lower shell (1), an annular air inlet hole (10) is formed between the outer edge of the base (9) and the bottom edge of the lower shell (1), the annular air inlet hole is communicated to the inner cavity of the filter screen support (7) from the bottom, the inner cavity of the lower shell (1) is isolated from the outside by the filter screen support (7), and the air outlet hole (20) is located at the top of the upper shell (2).

4. The germicidal lamp as in claim 2, wherein: the novel LED lamp is characterized in that an inner support (6) is further arranged in the lamp body assembly, a first bolt hole (60) is formed in the top of the inner support (6), a second bolt hole (50) is formed in the side wall of the fan (5), a first threaded column (21) is arranged in the upper shell (2), the fan (5) is clamped between the top of the inner support (6) and the first threaded column (21), and penetrates through the first bolt hole (60) and the second bolt hole (50) in sequence through screws and then is connected to the first threaded column (21) so as to connect and fix the inner support (6) and the fan (5).

5. The germicidal lamp as in claim 4, wherein: the bottom of the inner support (6) is provided with a second threaded column (61), a third bolt hole (11) is formed in the lower shell (1), a screw penetrates through the third bolt hole (11) and then is connected with the second threaded column (61), so that the lower shell (1) is fixedly connected with the inner support (6), and meanwhile, the upper portion of the filter screen support (7) extends into the inner cavity of the inner support (6).

6. The germicidal lamp as in claim 2, wherein: the ultraviolet light-emitting device (4) is an ultraviolet bulb, the sterilizing lamp further comprises a lamp holder (40), and the lamp holder (40) is fixed on the base (9); the bottom of the lower shell (1) is provided with a hanging ring (18); the LED lamp is characterized in that the lower shell (1) is light-transmitting, the circuit board assembly (3) is provided with an LED lamp (30), and the LED lamp (30) emits light outwards through the lower shell (1).

7. The germicidal lamp as in claim 1, wherein: the air filtering device (8) adopts a plurality of layers of filter screens or melt-blown cloth; the fan (5) is an axial fan.

8. The germicidal lamp as in claim 1, wherein: the sterilizing lamp also comprises a power supply interface (12) for supplying power to the circuit board assembly (3), the ultraviolet light-emitting device (4) and the fan (5) through an external power supply.

9. The germicidal lamp as in claim 8, wherein: the sterilizing lamp further comprises a wall-mounted accessory, the wall-mounted accessory comprises a power box (99), a curved code (93) and a bottom support (94), a conversion power supply (92) is arranged in the power box (99), a connecting hole (96) used for being connected to a wall is formed in the curved code (93), the power box (99) is respectively connected with the curved code (93) and the bottom support (94), a hook portion (97) is arranged at the front end of the bottom support (94), the front surface of the power box (99) is a curved surface (95), a plug (98) connected with the output end of the conversion power supply (92) is arranged on the curved surface (95), the shape of the curved surface (95) is matched with the shape of the outer side wall of the lamp body component, when the lamp body component is connected with the wall-mounted accessory, the curved surface (95) is matched with the outer side wall of the lamp body component, and the plug (98) is matched with the power supply interface (12), the circuit board assembly (3), the ultraviolet light-emitting device (4) and the fan (5) are powered by the switching power supply (92), and the hook portion (97) is clamped in the air inlet hole (10) and used for supporting and hooking the lamp body assembly.

10. The germicidal lamp as in claim 8, wherein: the sterilizing lamp further comprises a wall hanging accessory, the wall hanging accessory comprises a wall hanging support (80) and a bent code (93), a conversion power supply (92) is arranged in the wall hanging support (80), a connecting hole (96) used for being connected to a wall is formed in the bent code (93), the wall hanging support (80) is fixedly connected with the bent code (93) and the lamp body component through a screw (81), a plug (98) connected with an output end of the conversion power supply (92) is arranged on the front face of the wall hanging support (80), the shape of the front face of the wall hanging support (80) is matched with the shape of the outer side wall of the lamp body component, when the lamp body component is connected with the wall hanging accessory, the front face of the wall hanging support (80) is matched with the outer side wall of the lamp body component, and the plug (98) is matched with the power supply interface (12) in a plugging mode and conducts, so as to supply power to the circuit board assembly (3), the ultraviolet light-emitting device (4) and the fan (5) through the switching power supply (92).

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