Germicidal device

Patent metadata

Field	Value
Publication number	US-12337083-B2
Application number	US-202117434134-A
Country	US
Kind code	B2
Filing date	May 13, 2021
Priority date	May 13, 2021
Publication date	Jun 24, 2025
Grant date	Jun 24, 2025

Abstract

A germicidal device that includes a lamp cap, a grating component, a lamp body, a germicidal component and a fan component, where the grating component is provided with a central hole and several baffles which are provided at intervals to form several light outlets; the germicidal component is provided in the central hole for emitting UV light part of which is emitted via the light outlets; the bottom of the lamp body is provided with the first ventilation hole which connects to the central hole; the fan component is provided corresponding to the first ventilation hole for ventilation of the germicidal device.

First claim

What is claimed is:

1. A germicidal device comprising:
a lamp cap,
a grating component,
a lamp body,
a germicidal component, and
a fan component,
wherein the lamp cap and the lamp body are provided at separate ends of the grating component respectively;
wherein an arrangement direction of the lamp cap, the grating component and the lamp body is in a first direction;
the grating component is provided with a central hole and several baffles, wherein the several baffles are provided at intervals to form several light outlets;
the several light outlets connect to the central hole, the several light outlets extend along the periphery of the grating component, and the light emission direction of the several light outlets is substantially perpendicular to the first direction;
the germicidal component is provided in the central hole for emitting UV light which is emitted via the light outlets;
a bottom of the lamp body is provided with a first ventilation hole which connects to the central hole;
the fan component is provided corresponding to the first ventilation hole for ventilation of the germicidal device; and
wherein the lamp body is for a visible light source.

2. The germicidal device as claimed in claim 1 , wherein the germicidal device further comprises a protruding part provided inside the central hole corresponding to the first ventilation hole, and the lamp cap, the lamp body, or the grating component connect to the protruding part; and the germicidal component is provided around the protruding part; and
the protruding part is provided with a second ventilation hole, the first ventilation hole and the central hole connect to the second ventilation hole, respectively.

3. The germicidal device as claimed in claim 2 , wherein the germicidal device further comprises a reflective housing, the reflective housing is provided on the inner side of the germicidal component nearby the protruding part, and part of the UV light is emitted via the light outlets after reflection by the reflective housing.

4. The germicidal device as claimed in claim 2 , wherein the protruding part is provided with the first accommodating cavity, the first ventilation hole and the second ventilation hole connect to the first accommodating cavity respectively; and
the germicidal device also comprises a light shield provided inside the first accommodating cavity, the light shield is provided with a third ventilation hole, the third ventilation hole and the second ventilation hole are provided at different positions.

5. The germicidal device as claimed in claim 2 , wherein the protruding part and the lamp body are formed as an integrated structure, a periphery of one end of the protruding part connects to the hole wall of the first ventilation hole, a protruding part and the lamp body are connected by an arc to form a horn shape, the fan component is provided at a joint between the protruding part and the lamp body;
or, the protruding part is provided with the first accommodating cavity, the first ventilation hole and the second ventilation hole connect to the first accommodating cavity, respectively; the protruding part and the lamp body are formed as an integrated structure, the periphery of one end of the protruding part connects to the hole wall of the first ventilation hole, the protruding part and the lamp body are connected by an arc to form a horn shape, and the fan component is provided inside the first accommodating cavity.

6. The germicidal device as claimed in claim 1 , wherein one side of the lamp body departing from the grating component is also provided with a bottom cover, the bottom cover is provided with several fourth ventilation holes, the fourth ventilation holes connect to the first ventilation hole; and a width of the fourth ventilation hole is R 1 , R 1 < 6 . 5 mm.

7. The germicidal device as claimed in claim 6 , wherein the germicidal device further comprises a lighting component, the bottom cover and the lamp body form the second accommodating cavity in an enclosing way, and the lighting component is located in the second accommodating cavity.

8. The germicidal device as claimed in claim 1 , wherein the lamp cap comprises: a first housing part connecting to the grating component; and a dismountable second housing part connecting to the first housing part for fixing the germicidal device to an external installation.

9. The germicidal device as claimed in claim 8 , wherein the second housing part comprises a fixing seat and a mounting board, the fixing seat connects to the first housing part, one end of the fixing seat departing from the first housing part is provided with a mounting groove, and the mounting board is provided inside the mounting groove in a dismountable way;
one end of the mounting board extends along the first direction to form the first mounting part; the first mounting part is provided with the first mounting hole; the other end of the mounting board connects to a plug-in part which is in the L shape;
the fixing seat is also provided with the first assembly hole and the second assembly hole, both ends of the mounting groove connect to the first assembly hole and the second assembly hole respectively, and the second assembly hole fits with the plug-in part; the fixing seat is also provided with the second mounting hole which connects to the first assembly hole;
wherein, the plug-in part is inserted into the second assembly hole, the first mounting part is inserted into the first assembly hole to make the first mounting hole and the second mounting hole be provided in a corresponding way, the fixing seat and the mounting board are connected with fasteners which pass through the first mounting hole and the second mounting hole.

10. The germicidal device as claimed in claim 1 , wherein the fan component adopts the following ventilation mode: the fan component blows air along the first direction, the light outlets are air inlets, and the first ventilation hole is the air outlet.

Assignees

• Shenzhen Guanke Tech Co Ltd

Inventors

• Lan Qing
• Chen Shoubao
• Liu Ligen

Classifications

• A61L2209/12

  Lighting means · CPC title

• F24F8/22

  using UV light · CPC title

• A61L2209/10

  Apparatus features · CPC title

• A61L9/20 Primary

  Ultraviolet radiation · CPC title