CN103712122A - Photocatalyst Lighting Lamps - Google Patents

Abstract

The invention discloses a photocatalyst lighting lamp which comprises a shell, a first lamp cover structure, a second lamp cover structure, a first light source device, a second light source device, a fan and a photocatalyst filter screen structure. The first lamp cover structure is connected to the shell and is provided with a ventilation opening and an air outlet. The second lamp cover structure is connected to the first lamp cover structure and is provided with a light outlet and an air inlet for forming an accommodating space together with the first lamp cover structure. The first light source device and the second light source device are arranged in the accommodating space, face the light outlet and the ventilation opening respectively, and are used for emitting light rays to be emitted out from the light outlet and the ventilation opening respectively. The photocatalyst filter screen structure is arranged on the position corresponding to the ventilation opening and is used for being excited by the light of the second light source device to purify the air flow. The fan is connected to the photocatalyst filter structure and used for guiding airflow from the air inlet to pass through the ventilation opening and flow out of the air outlet through the photocatalyst filter structure. The photocatalyst lighting lamp can remove harmful substances such as mould, bacteria and the like which are easy to appear in a high-humidity environment and achieve the aim of eliminating odor.

Description

Photocatalyst Lighting Lamps

technical field

The invention relates to a lighting fixture, in particular to a photocatalyst lighting fixture with the function of air sterilization and purification.

Background technique

Generally speaking, the lighting fixtures used for bathroom lighting usually have problems such as mold (or bacteria) growth or odor in actual use due to the high humidity of the environment, although the lighting fixtures can use their own configuration The heat dissipation mechanism used to dissipate heat from the lighting source (such as the combination of a fan and heat dissipation fins, etc.) to achieve the effect of drying the bathroom air to reduce humidity, but because the heat dissipation mechanism does not have a bactericidal function, the above method cannot effectively solve the problem. Mold (or bacteria) growth problems.

Contents of the invention

The invention provides a photocatalyst lighting fixture, which includes a housing, a first lamp cover structure, a second lamp cover structure, a first light source device, a second light source device, a photocatalyst filter screen structure and a fan. The first lamp cover structure is connected to the housing and has an air vent and at least one air outlet. The second lamp cover structure is connected to the first lamp cover structure and has a light outlet and at least one air inlet for forming an accommodating space together with the first lamp cover structure. The first light source device is disposed in the accommodating space and faces the light outlet, and is used for emitting light to exit from the light outlet. The second light source device is disposed in the accommodating space and faces the air vent for emitting light from the air vent. The photocatalyst filter structure is arranged at a position corresponding to the air vent, and is used for being excited by the light emitted by the second light source device through the air vent, so as to purify the airflow passing through the photocatalyst filter structure. The fan is connected to the photocatalyst filter mesh structure, and is used to guide the airflow from the air inlet through the air outlet to pass through the photocatalyst filter mesh structure and flow out from the air outlet.

The photocatalyst lighting fixture may further include a switching drive device, which is arranged in the housing and electrically connected to the first light source device and the second light source device, and is used to control the first light source device and the second light source device. Operation of two light source devices.

The photocatalyst filter structure may include a filter main body and a plurality of photocatalyst layers. The filter main body has a plurality of filtering through holes, and the fan guides the air flow through the plurality of filtering through holes. The plurality of photocatalyst layers are respectively formed on inner walls of the plurality of filtering through holes.

Each filtering through hole may be a trumpet structure extending toward the second light source device.

The first lamp cover structure may include a protective cover and an air outlet component. The vent is formed on the protective cover. The air outlet member is connected to the protective cover, and the air outlet is formed on the air outlet member.

The second lamp cover structure may include an air inlet component and a lens. The light outlet and the air inlet are respectively formed on the air inlet member. The lens covers the light outlet.

The first light source device can be joined with the second light source device in a manner of back-to-back bonding of lamp panels.

The second light source device may be a visible light emitting diode lighting board, and the photocatalyst material of the photocatalyst filter mesh structure may be visible light photocatalyst material.

The second light source device may be a blue LED lighting board.

The second light source device may be an invisible light emitting diode lighting board, and the photocatalyst material of the photocatalyst filter mesh structure may be invisible light photocatalyst material.

The second light source device may be an ultraviolet light emitting diode lighting board.

According to the above-mentioned technical scheme, the present invention has at least the following advantages and beneficial effects compared with the prior art: the photocatalyst lighting fixture provided by the present invention adopts a light source device to excite the photocatalyst of the photocatalyst filter screen structure arranged on the fan to target the light passing through the photocatalyst filter screen The airflow of the structure is designed to sterilize to further provide the function of air purification. In this way, the photocatalyst lighting fixture provided by the present invention can not only provide sufficient lighting, but also effectively remove harmful substances such as mold and bacteria that are prone to appear in high-humidity environments (such as bathrooms) and achieve the purpose of eliminating odors. Purpose.

Description of drawings

Fig. 1 is the explosion schematic diagram of the proposed photocatalyst lighting fixture according to a preferred embodiment of the present invention;

Fig. 2 is the combined front view of the photocatalyst lighting fixture of Fig. 1;

Fig. 3 is a schematic cross-sectional view of the photocatalyst lighting fixture of Fig. 2 along the section line A-A'; and

FIG. 4 is a partially enlarged schematic cross-sectional view of the photocatalyst filter structure and the second light source device in FIG. 1 .

Wherein, the reference signs are explained as follows:

10 Photocatalyst lighting fixtures 12 Shell

14 The structure of the first lamp cover 15 Accommodating space

16 Second lamp cover structure 18 First light source device

20 Second light source device 22 Fan

24 Photocatalyst filter structure 26 Air vent

28 Air outlet 30 Light outlet

32 Air inlet 34 Protective cover

36 Air outlet component 38 Air inlet component

40 lens 42 filter main body

44 photocatalyst layer 46 filter through hole

47 Inner wall 48 Switch drive device

Detailed ways

Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is an explosion schematic diagram of a photocatalyst lighting fixture 10 proposed according to a preferred embodiment of the present invention, Fig. 2 is a combined front view of the photocatalyst lighting fixture 10 of Fig. 1, Fig. 3 It is a schematic cross-sectional view of the photocatalyst lighting fixture 10 in FIG. 2 along the section line AA'. As shown in Figure 1, Figure 2 and Figure 3, the photocatalyst lighting fixture 10 includes a housing 12, a first lamp cover structure 14, a second lamp cover structure 16, a first light source device 18, a second light source device 20. A fan 22, and a photocatalyst filter structure 24. The first lamp cover structure 14 is connected to the housing 12 and has an air vent 26 and at least one air outlet 28 (six are shown in FIG. 1 , but not limited thereto), while the second lamp cover structure 16 is connected to The first lamp cover structure 14 also has a light outlet 30 and at least one air inlet 32 (four are shown in FIG. 1 , but not limited thereto), which are used to jointly form an accommodating space 15 with the first lamp cover structure 14 To accommodate the first light source device 18 and the second light source device 20, wherein in this embodiment, the first lamp cover structure 14 may include a protective cover 34 and an air outlet member 36, and the second lamp cover structure 16 may include a Air inlet member 38 and a lens 40, further say, by Fig. 1 as can be seen, air vent 26 is formed on the protective cover 34, and air outlet member 36 is connected with protective cover 34, and air outlet 28 is formed on the air outlet member 36, and light The opening 30 and the air inlet 32 are formed on the air inlet member 38 , and the lens 40 covers the light outlet 30 for protecting the internal components of the photocatalyst lighting fixture 10 . The design of the above-mentioned first lamp cover structure 14 and the second lamp cover structure 16 is not limited to the design shown in FIG. The light emitted by the second light source device can be emitted from the light outlet and the air outlet respectively, and the lamp cover structure design with an air inlet and an air outlet for airflow in and out respectively can be adopted by the present invention.

The first light source device 18 is disposed in the accommodating space 15 and faces the light outlet 30 for emitting light from the light outlet 30 to provide lighting function. The first light source device 18 may preferably be a visible light emitting diode lighting board , but not limited thereto, it can also be other common lighting devices, such as a cold cathode ray tube and the like. The second light source device 20 is arranged in the accommodating space 15 and faces the air vent 26, so as to emit light from the air vent 26 to provide excitation light to the photocatalyst filter mesh structure 24 to exert the photocatalyst excitation effect. The second light source device 20 It can preferably be a visible light emitting diode lamp board, such as a blue light emitting diode lamp board, but not limited thereto, it can also be a common visible light lighting device (such as a cold cathode ray lamp, etc.) or an invisible light emitting diode A lamp board (such as an ultraviolet light emitting diode lamp board). It should be noted that if both the first light source device 18 and the second light source device 20 adopt the design of light-emitting diode lighting panels, it can be seen from FIG. 20 to achieve the goal that the light emitted by the first light source device 18 and the second light source device 20 can be emitted through the light outlet 30 and the air vent 26 respectively.

The fan 22 is arranged on the position corresponding to the vent 26 of the first lamp cover structure 14. It can be seen from FIG. The air inlet 32 flows out from the air outlet 28 through the air outlet 26 through the photocatalyst filter mesh structure 24 . The photocatalyst filter screen structure 24 is connected to the fan 22, as can be seen from Fig. 1 and Fig. 3, in this embodiment, the photocatalyst filter screen structure 24 is arranged on the side of the fan 22 corresponding to the vent 26, more specifically, please refer to Fig. 4, which is a partial enlarged cross-sectional diagram of the photocatalyst filter screen structure 24 and the second light source device 20 of Fig. 1, as shown in Figure 4, in this embodiment, the photocatalyst filter screen structure 24 can include a filter screen main body 42 And a plurality of photocatalyst layers 44 . The filter screen main body 42 can have a plurality of filtering through holes 46, and each photocatalyst layer 44 is then respectively formed on an inner wall 47 of the corresponding filtering through hole 46, wherein each filtering through hole 46 can preferably be towards the second A bell-mouth structure (as shown in Figure 4 ) that two light source devices 20 develops, to further increase the amount of light that the second light source device 20 is incident on the photocatalyst layer 44 and promote the air flow and the inner wall 47 formed on the filter through hole 46 The contact time of the photocatalyst layer 44. In this way, the photocatalyst layer 44 can be excited by the light emitted by the second light source device 20 through the air vent 26 , so as to play an airflow purification function when the fan 22 guides the airflow through the filter holes 46 to contact the photocatalyst layer 44 .

In practical applications, the filter screen main body 42 can be made of plastic material to produce an anti-rust effect, and the photocatalyst material used in the photocatalyst layer 44 can vary with the type of light source used in the second light source device 20, For example, if the second light source device 20 is a visible light source (such as the above-mentioned blue light emitting diode lighting board), the photocatalyst layer 44 can be made of visible light photocatalyst material correspondingly, and if the second light source device 20 is a different For the visible light source (such as the above-mentioned ultraviolet light emitting diode lighting board), the photocatalyst layer 44 can be correspondingly made of an invisible photocatalyst material.

Through the above configuration, when the photocatalyst lighting fixture 10 is set in a high-humidity environment (such as a bathroom) and the fan 22, the first light source device 18, and the second light source device 20 are activated, the light emitted by the first light source device 18 can pass through the light source. The opening 30 is projected through the lens 40 to provide sufficient illumination. At the same time, the fan 22 arranged on the protective cover 34 will guide the airflow from the air inlet 32 of the air inlet member 38 into the accommodating space 15, and then Pass through a plurality of filter through holes 46 of the photocatalyst filter mesh structure 24 through the air vent 26 , and finally flow out of the photocatalyst lighting fixture 10 from the air outlet 28 of the air outlet member 36 .

In the process of the above-mentioned airflow passing through a plurality of filter through-holes 46 of the photocatalyst filter screen structure 24, as can be seen from FIG. Photocatalyst layer 44, plus the design that airflow passes through a plurality of filter through-holes 46 can correspondingly increase airflow residence time (that is to increase the contact time of airflow and photocatalyst layer 44), therefore, photocatalyst layer 44 can be in contact with airflow When the contact time is sufficient, the airflow passing through the filter through hole 46 is sterilized to produce the effect of air purification, thereby effectively solving the mold (or bacteria) growth caused by high humidity mentioned in the above-mentioned prior art And other issues.

It is worth mentioning that, as can be seen from FIG. 1, the photocatalyst lighting fixture 10 may optionally further include a switching drive device 48, and the switching drive device 48 may be arranged in the casing 12 and electrically connected to the first light source device 18 and the second light source device 18. The light source device 20 is used to control the operation of the first light source device 18 and the second light source device 20, so as to improve the flexibility of using the photocatalyst lighting fixture 10 in actual operation, that is, the photocatalyst lighting fixture 10 can use the switching drive device 48 Simultaneously start the first light source device 18 and the second light source device 20 to provide lighting and sterilization and purification functions, or start the first light source device 18 separately to provide the lighting function or start the second light source device 20 alone to provide the sterilization and purification function, as for switching drive The design of the electrical connection between the device 48 and the first light source device 18 and the second light source device 20 is common in the prior art, so it will not be repeated here.

Compared with the prior art, the photocatalyst lighting fixture provided by the present invention uses a light source device to excite the photocatalyst of the photocatalyst filter mesh structure arranged on the fan to sterilize the airflow passing through the photocatalyst filter mesh structure, so as to further provide air purification Function. In this way, the photocatalyst lighting fixture provided by the present invention can not only provide sufficient lighting, but also effectively remove harmful substances such as mold and bacteria that are prone to appear in high-humidity environments (such as bathrooms) and achieve the purpose of eliminating odors. Purpose.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (11)

1. A photocatalyst lighting fixture is characterized in that, said photocatalyst lighting fixture comprises: a shell; A first lamp cover structure, connected to the housing and having an air vent and at least one air outlet; A second lamp cover structure, which is connected to the first lamp cover structure and has a light outlet and at least one air inlet, and is used to jointly form an accommodating space with the first lamp cover structure; A first light source device, disposed in the accommodating space and facing the light outlet, for emitting light from the light outlet; A second light source device, disposed in the accommodating space and facing the vent, for emitting light from the vent; A photocatalyst filter screen structure, arranged at a position corresponding to the vent, used to be excited by the light emitted by the second light source device through the vent, to purify the airflow passing through the photocatalyst filter structure; and A fan, connected to the photocatalyst filter mesh structure, is used to guide the air flow from the air inlet through the air outlet to pass through the photocatalyst filter mesh structure and flow out from the air outlet. 2. The photocatalyst lighting fixture according to claim 1, wherein the photocatalyst lighting fixture further comprises: A switching driving device is arranged in the casing and electrically connected to the first light source device and the second light source device, and is used to control the operation of the first light source device and the second light source device. 3. The photocatalyst lighting fixture according to claim 1, wherein the photocatalyst filter screen structure comprises: a filter main body having a plurality of filter through holes through which the fan guides the air flow; and A plurality of photocatalyst layers are respectively formed on the inner walls of the plurality of filtering through holes. 4 . The photocatalyst lighting fixture according to claim 3 , wherein each filtering through hole is a bell-mouth structure extending toward the second light source device. 5. The photocatalyst lighting fixture according to claim 1, wherein the first lamp cover structure comprises: a protective cover on which the vent is formed; and An air outlet component is connected to the protective cover, and the air outlet is formed on the air outlet component. 6. The photocatalyst lighting fixture according to claim 1, wherein the second lamp cover structure comprises: An air inlet member, the light outlet and the air inlet are respectively formed on the air inlet member; and A lens covers the light outlet. 7 . The photocatalyst lighting fixture according to claim 1 , wherein the first light source device is bonded to the second light source device in a way that lamp panels are attached back to back. 8 . The photocatalyst lighting fixture according to claim 1 , wherein the second light source device is a visible light emitting diode lighting board, and the photocatalyst material of the photocatalyst filter mesh structure is a visible light photocatalyst material. 9 . The photocatalyst lighting fixture according to claim 8 , wherein the second light source device is a blue light emitting diode lighting board. 10. The photocatalyst lighting fixture according to claim 1, wherein the second light source device is an invisible light-emitting diode lighting board, and the photocatalyst material of the photocatalyst filter mesh structure is invisible light photocatalyst material. 11. The photocatalyst lighting fixture according to claim 10, wherein the second light source device is an ultraviolet light emitting diode lighting board.

Images