# US 2021/0330848 A1 · Tray disinfection device

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- Number: US 2021/0330848 A1
- Document ID: US20210330848A1
- Status: Published application
- Kind: A1
- Application number: 17/136,781
- Filed: 2020-12-29
- Published: 2021-10-28
- Earliest claimed: 2020-04-26
- Assignees: Nuctech Company Limited; Tsinghua University
- Applicants: Nuctech Company Limited; Tsinghua University
- Inventors: Li Zhang; Zhiqiang Chen; Qingping Huang; Mingzhi Hong; Yue Li; Bo Li; Minghua Qiu; Yanhua Lu
- Web page: https://patentgrep.com/patent/US20210330848A1

## CPC

- A61L 2/26: Accessories
- A61L 2/10: Ultraviolet [UV] radiation
- A61L 2202/11: Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
- A61L 2202/122: Chambers for sterilisation
- A61L 2202/16: Mobile applications, e.g. portable devices, trailers, devices mounted on vehicles
- A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K)

## Abstract

A tray disinfection devices for a security inspection system can include a frame, a disinfection channel on the frame, and a conveyor on the frame. An ultraviolet disinfection lamp is arranged in the disinfection channel. The conveyor on the frame is configured to convey a tray to pass through the disinfection channel so as to disinfect the tray through an irradiation of the ultraviolet disinfection lamp.

## Claims

### Claim 1

A tray disinfection device for a security inspection system, comprising:
a frame;
a disinfection channel on the frame, wherein an ultraviolet disinfection lamp is arranged in the disinfection channel; and
a conveyor on the frame, which is configured to convey a tray to pass through the disinfection channel, so as to disinfect the tray through an irradiation of the ultraviolet disinfection lamp.

### Claim 2 (depends on 1)

The tray disinfection device according to claim 1, wherein at least part of an inner side wall of the disinfection channel is provided with a reflective layer.

### Claim 3 (depends on 1)

The tray disinfection device according to claim 1, wherein a temperature control device is further arranged in the disinfection channel to control a temperature in the disinfection channel.

### Claim 4 (depends on 1)

The tray disinfection device according to claim 1, wherein the disinfection channel comprises:
a base plate connected to the frame and located above the conveyor, wherein the ultraviolet disinfection lamp is installed on the base plate;
a first bottom shading plate below the conveyor; and
two first side shading plates on both sides of the conveyor respectively,
wherein the two first side shading plates, the first bottom shading plate and the base plate enclose to form the disinfection channel.

### Claim 5 (depends on 4)

The tray disinfection device according to claim 4, wherein the disinfection channel further comprises a first connector adapted to connect the base plate to the frame.

### Claim 6 (depends on 5)

The tray disinfection device according to claim 5, wherein the first connector is plate-shaped.

### Claim 7 (depends on 1)

The tray disinfection device according to claim 1, wherein at least one end of the conveyor along a conveying direction is provided with a shading channel in communication with the disinfection channel.

### Claim 8 (depends on 7)

The tray disinfection device according to claim 7, wherein the shading channel comprises:
a top shading plate connected to the frame and located above the conveyor;
a second bottom shading plate below the conveyor; and
two second side shading plates on both sides of the conveyor respectively,
wherein the two second side shading plates, the second bottom shading plate and the top shading plate enclose to form the shading channel.

### Claim 9 (depends on 8)

The tray disinfection device according to claim 8, wherein the shading channel further comprises a second connector adapted to connect the top shading plate to the frame.

### Claim 10 (depends on 9)

The tray disinfection device according to claim 9, wherein the second connector is plate-shaped.