CN210427405U

CN210427405U - Liquid detection device

Info

Publication number: CN210427405U
Application number: CN201920615177.0U
Authority: CN
Inventors: 王振
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-28
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a liquid detection device, include: the X-ray CT scanning system comprises a rack, a rotary table, an X-ray source, a DR detector, a CT detector, a collimator and a computer, wherein the DR detector and the CT detector are distributed in a T shape, the DR adopts an arc scanning mode, the collimator is in a T shape, and the computer comprises a calculation program and a control program for image information processing. The scheme carries out DR scanning and CT scanning simultaneously, shortens check-out time and improves detection efficiency, carries out successive layer CT scanning and has rebuild the detection precision that has improved to layering liquid.

Description

Liquid detection device

Technical Field

The utility model relates to a safety inspection field, in particular to liquid detection device.

Background

In the field of safety detection, physical properties of many dangerous liquids are very close to those of daily safe liquids and are difficult to distinguish, and the non-contact physical detection of the dangerous liquids has higher difficulty and complexity. At present, Computed Tomography (CT) or Digital X-ray imaging (DR) is mainly used for detection. At present, liquid detection is carried out by CT or DR equipment, for example, a liquid container is placed on a rotary table by the technical scheme of patent application numbers 2004100098970 and 2011104606318, CT tomography is carried out on the liquid level at a fixed height, and the type of the liquid is judged, but the liquid detection device is only suitable for single liquid, can not judge various layered liquids in the container, and can not accurately detect the condition that the liquid level is close to the bottom of the container; the technical scheme is that a liquid container is placed on a rotary table, the rotary table moves up and down, DR scanning is completed firstly, a CT scanning position is automatically or manually designated according to a DR image, then the rotary table is lifted up and down to the designated position to complete CT scanning, finally the type of liquid is judged according to CT fault data, scanning is repeated for multiple times, time is long, and efficiency is low.

Disclosure of Invention

The utility model aims at providing a carry out DR and CT scanning formation of image, DR simultaneously for the quick detection device of arc scanning in order to solve the technical problem who exists among the liquid safety inspection.

In order to solve the above problems, the utility model adopts the following technical scheme: a liquid detection device comprises a frame, a turntable mechanism, an X-ray source, a DR detector, a CT detector, a collimator, a control system and a computer. The rack comprises a fixed rack and a movable rack arranged in a dovetail groove of the fixed rack; wherein the fixed frame is provided with a rotatable turntable mechanism; one end of the movable frame is provided with an X-ray source, and the other end of the movable frame is arranged on the DR detector and the CT detector; a collimator is arranged on the movable frame between the X-ray source and the central axis of the turntable mechanism. The central line of the DR detector in the length direction and the vertical line of the collimator are in the same plane. The central line of the CT detector in the length direction and the horizontal line of the collimator are in the same plane.

The frame, except fixed frame and movable frame, still including installing lift screw between fixed frame and movable frame, installing lift driven gear, drive screw pivoted elevator motor on lift screw and installing on elevator motor with lift driven gear engaged with lift driving gear. The cable of the lifting motor is electrically connected with the control system so that the movable rack drives the rotary table mechanism to move up and down.

The rotary table mechanism comprises a rotary table surface, a rotary motor arranged on the fixed rack and a meshing gear between the motor and the rotary table surface, wherein the rotary motor is electrically connected with the control system so as to enable the rotary table surface to rotate according to the set requirement.

The collimator is T-shaped.

Control system includes controller, cable.

The image processing computational procedure that the computer includes computer hardware and embedding, the computer passes through the cable electricity with the controller and is connected to acquire the detection data and will handle the information feedback and give control system.

Compared with the prior art, the beneficial effects are: the utility model discloses a DR and CT scan simultaneously, improved detection efficiency: and the method obtains higher detection precision with DR arc scanning, and particularly improves the accuracy of liquid detection and layered liquid detection at the bottom of the container, and reduces the repeated detection time. The first device adopts a structure that an X-ray source and a detector synchronously lift and move, and is very suitable for detecting heavy liquid; the second device adopts an X-ray source and a detector to fix, and a turntable lifting structure is more suitable for detecting light liquid.

Drawings

FIG. 1 is a general view of a liquid detecting apparatus.

Fig. 2 is a right side view of the liquid detecting apparatus.

Fig. 3 is a bottom view of the liquid detecting apparatus.

FIG. 4 is a schematic diagram of a multi-liquid detection DR arc scan pattern.

Fig. 5 is a schematic diagram of dual-source detection.

Wherein: the system comprises a machine frame 1, a turntable mechanism 2, an X-ray source 3, a 4DR detector, a CT detector 5, a collimator 6, a control system 7, a computer 8, a liquid to be detected 9, a fixed machine frame 1-1, a rack upright column 1-1a, a movable machine frame 1-2, a lead screw 1-3, a lifting motor 1-4, a lifting driving wheel 1-5, a turntable 2-1, a rotating motor 2-2, a rotating gear 2-3, a controller 7-1 and a cable 7-2.

Detailed Description

The technical solution of the present invention is further described in detail by the accompanying drawings and examples. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As shown in fig. 1, a liquid detection apparatus includes a frame 1, a turntable mechanism 2, an X-ray source 3, a DR detector 4, a CT detector 5, a collimator 6, a control system 7, and a computer 8. The rack 1 comprises a fixed rack 1-1 and a movable rack 1-2 arranged in a dovetail groove of the fixed rack 1-1; wherein the fixed frame 1-1 is provided with a rotatable turntable mechanism 2; one end of the movable rack 1-2 is provided with an X-ray source 3, the other end of the movable rack 1-2 is provided with a DR detector 4 and a CT detector 5, the DR detector 4 is vertically arranged, the CT detector 5 is horizontally arranged, and the DR detector 4 and the CT detector 5 are in a T shape and are not shielded; a collimator 6 is arranged on the movable frame 1-2 between the X-ray source 3 and the central axis of the turntable mechanism 2. The central line of the DR detector 4 in the length direction is in the same plane with the vertical line of the collimator 6. The central line of the CT detector 5 in the length direction and the horizontal line of the collimator 6 are in the same plane.

The rack comprises a fixed rack 1-1 and a movable rack 1-2, as well as a lifting screw 1-3 arranged between the fixed rack 1-1 and the movable rack 1-3, a lifting motor 1-4 for driving the screw to rotate, and a lifting gear 1-5 arranged between the lifting motor 1-4 and the lifting screw. The lifting motor 1-4 is electrically connected with the controller 7-1 through a cable 7-2, so that the movable rack 1-2 drives the rotary table mechanism 2 to move up and down.

The rotary table mechanism 2 comprises a rotary table top 2-1, a rotary motor 2-2 arranged on the fixed rack 1-1 and a rotary gear 2-3 arranged between the rotary motor 2-2 and the rotary table top 2-1, wherein the rotary motor 2-2 is electrically connected with a controller 7-1 through a cable 7-2, so that the rotary table top 2-1 rotates according to a set requirement.

The collimator 6 is T-shaped.

The control system 7 includes a controller 7-1 and a cable 7-2.

The computer 8 comprises computer hardware and an embedded image processing calculation program, and is electrically connected with the controller through a cable so as to acquire detection data and feed back processing information to the control system.

The above examples are merely illustrative of the claimed invention and are not intended to limit the scope of the claimed invention. The technical personnel in the field can change the position of each component in the above examples, and all belong to the protection scope of the invention; modifications and substitutions within the scope of the present invention by those skilled in the art are within the scope of the present invention.

Claims

1. A liquid detection device, characterized by: the X-ray CT scanner comprises a frame, a turntable mechanism, an X-ray source, a DR detector, a CT detector, a collimator, a control system and a computer; the rack comprises a fixed rack and a movable rack arranged in a dovetail groove of the fixed rack; wherein the fixed frame is provided with a rotatable turntable mechanism; an X-ray source is installed at one end of the movable rack, the other end of the movable rack is installed on a DR detector and a CT detector, the DR detector is vertically installed, the CT detector is horizontally installed, and the DR detector and the CT detector are in a T shape and are not shielded; a collimator is arranged on the movable frame between the X-ray source and the central axis of the turntable mechanism; the central line of the DR detector in the length direction and the vertical line of the collimator are in the same plane, and the central line of the CT detector in the length direction and the horizontal line of the collimator are in the same plane.

2. A liquid detection device as claimed in claim 1, wherein: the rack comprises a fixed rack, a movable rack, a lifting screw rod, a lifting motor and a lifting gear, wherein the lifting screw rod is installed between the fixed rack and the movable rack, the lifting motor drives the screw rod to rotate, the lifting gear is installed between the lifting motor and the lifting screw rod, and a cable passing through the lifting motor is electrically connected with the controller so that the movable rack drives the rotary table mechanism to move up and down.

3. A liquid detection device as claimed in claim 1, wherein: the rotary table mechanism comprises a rotary table surface, a rotary motor arranged on the fixed rack and a rotary gear arranged between the rotary motor and the rotary table surface, and the rotary motor is electrically connected with the controller through a cable so as to enable the rotary table surface to rotate according to a set requirement.

4. A liquid detection device as claimed in claim 1, wherein: the collimator is T-shaped.

5. A liquid detection device as claimed in claim 1, wherein: the computer comprises computer hardware and an embedded image processing calculation program, and is electrically connected with the controller through a cable so as to acquire detection data and feed back processing information to the control system.