CN212410473U

CN212410473U - Through type micro-dose X-ray foot detector

Info

Publication number: CN212410473U
Application number: CN202020637019.8U
Authority: CN
Inventors: 赵群礼; 张鹏冲; 夏国平; 杨广国; 孙甲甲
Original assignee: Anhui Qiloo Photoelectric Technology Co ltd
Current assignee: Anhui Qiloo Photoelectric Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-01-26
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a through-type micro-dose X-ray foot detector, which comprises a machine body, wherein the machine body is provided with a channel for pedestrians to pass through and a pedal which is arranged at the bottom of the channel and is made of a light-transmitting material for X-rays to pass through; an X-ray detector is arranged below the pedal; and an X-ray source for projecting X-rays to the X-ray detector and a driving mechanism for driving the X-ray source to horizontally reciprocate along the walking direction of the channel are respectively arranged on two sides of the channel. The utility model provides a personnel foot that exists in the current security installations practice easily by the leak of grass rate inspection or hourglass inspection because of the inspection is inconvenient, and the detection mode of through type, can effectively improve detection efficiency.

Description

Through type micro-dose X-ray foot detector

Technical Field

The utility model relates to a survey technical field, especially relate to a through type microdose X-ray foot detection instrument.

Background

X-ray imaging technology is widely used in current social life. By taking advantage of the ability of X-rays to penetrate most objects, various devices have been invented for viewing objects or conditions within the human body. Wherein the use of X-rays for security inspection of articles is very common. Especially, under the circumstance that the current global security situation is getting more severe, lawless persons and terrorists often happen when the shoes are hidden to carry drugs, guns, bombs and the like into airplanes and trains and are opportunistic to cause damage events. In the existing security inspection, the security inspection of people is mainly carried out by a metal detector. However, because the feet of the person are low in position, the safety inspection personnel are inconvenient to bend over for inspection, so that the feet are often inspected at a draft rate or are not inspected, and certain security holes exist.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the background art, the utility model provides a through type microdose X-ray foot detection instrument.

The utility model provides a through-type micro-dose X-ray foot detector, which comprises a machine body, wherein the machine body is provided with a channel for pedestrians to pass through and a pedal which is arranged at the bottom of the channel and is made of a light-transmitting material for X-rays to pass through; an X-ray detector is arranged below the pedal; and an X-ray source for projecting X-rays to the X-ray detector and a driving mechanism for driving the X-ray source to horizontally reciprocate along the walking direction of the channel are respectively arranged on two sides of the channel.

Preferably, a limiting block is arranged on the pedal and between the X-ray sources at two sides of the pedal.

Preferably, the X-rays projected by the X-ray sources on the two sides of the channel are respectively positioned on the two sides of the limiting block (4).

Preferably, the driving mechanism comprises a lead screw arranged along the extending direction of the channel, guide rods oppositely arranged at two sides of the lead screw, a motor connected with the lead screw, and a sliding seat in threaded fit with the lead screw and in sliding fit with the guide rods; the X-ray source is mounted on the sliding base and moves along with the movement of the sliding base.

Preferably, the machine body comprises a base and limiting side frames which are oppositely arranged on two sides of the base and have a space reserved between the two side frames to form a channel.

Preferably, the pedal is positioned above the base and matched with the base to form a closed accommodating cavity between the pedal and the base; the X-ray detector is arranged in the accommodating cavity.

Preferably, the limiting side frames are internally provided with clamping cavities, and the side surfaces of the two sides of the limiting side frames, which are close to each other, are respectively provided with a window and a light-transmitting plate which is arranged at the window and is made of a light-transmitting material for transmitting X-rays; the X-ray source is positioned in the clamping cavity and faces the light-transmitting plate.

Preferably, the material of light-transmitting board is carbon fiber.

Preferably, the pedal is made of carbon fiber.

Preferably, the X-ray detector also comprises an imaging display screen connected with the X-ray detector.

The utility model discloses in, scan the formation of image to human foot through adopting X-ray perspective imaging principle, can conveniently carry out safety inspection to personnel's foot to judge whether wherein hide and have contraband, solved the personnel's foot that exists in the current security inspection practice because of the inspection is inconvenient easily by the leak of grass rate inspection or hourglass inspection, and the detection mode of through type, can effectively improve detection efficiency.

Drawings

Fig. 1 is a schematic view of an appearance structure of a through type micro-dose X-ray foot detector provided by the utility model;

fig. 2 is a schematic diagram of the internal structure of a through-type micro-dose X-ray foot detector provided by the utility model;

fig. 3 is a schematic structural view of the driving mechanism in a through-type micro-dose X-ray foot detector provided by the utility model;

fig. 4 is a schematic view of the working principle of the through-type micro-dose X-ray foot detector provided by the utility model.

Detailed Description

The technical solution of the present invention will be described in detail by the following embodiments.

As shown in fig. 1-4, fig. 1 is a schematic view of an appearance structure of a through-type micro-dose X-ray foot detector provided by the utility model; fig. 2 is a schematic diagram of the internal structure of a through-type micro-dose X-ray foot detector provided by the utility model; fig. 3 is a schematic structural view of the driving mechanism in a through-type micro-dose X-ray foot detector provided by the utility model; fig. 4 is a schematic view of the working principle of the through-type micro-dose X-ray foot detector provided by the utility model.

Referring to fig. 1-3, the utility model provides a through-type micro-dose X-ray foot detector, which comprises a body, a foot plate 1, a foot plate and a foot plate, wherein the body is provided with a channel for pedestrians to pass through and the foot plate 1; an X-ray detector 2 is arranged below the pedal 1; and an X-ray source 3 for projecting X-rays to the X-ray detector 2 and a driving mechanism 7 for driving the X-ray source 3 to horizontally reciprocate along the walking direction of the channel are respectively arranged on two sides of the channel.

By the above, the utility model discloses an adopt X-ray perspective imaging principle to scan the formation of image to human foot, can conveniently carry out safety inspection to personnel's foot to judge whether wherein hide and have contraband, solved the personnel's foot that exists in the current security inspection practice because of the inspection is inconvenient easily by the leak of grass rate inspection or leak hunting.

In addition, in this embodiment, be equipped with stopper 4 on footboard 1 and between being located the X light source 3 of its both sides, stopper 4's setting can effectively prevent to be examined the personnel both feet and draw close and cause left and right foot image to overlap.

Referring to fig. 4, the X-rays projected by the X-ray sources 3 on both sides of the channel are respectively located on both sides of the limiting block 4, so that the X-rays a emitted by the X-ray sources 3 on both sides of the channel are respectively projected on the left half side and the right half side of the X-ray detector 2, and further, when a pedestrian passes through the channel, the X-rays a emitted by the X-ray sources 3 on both sides of the channel are respectively received by the left half side and the right half side of the X-ray detector 2 below the pedal 1, thereby imaging the left foot and the right foot of the human body.

In this embodiment, the apparatus further comprises an imaging display screen 10 connected to the X-ray detector 2. The driving mechanism 7 comprises a lead screw 701 arranged along the extending direction of the channel, guide rods oppositely arranged at two sides of the lead screw 701, a motor 702 connected with the lead screw 701, and a sliding seat 703 in threaded fit with the lead screw 701 and in sliding fit with the guide rods; the X-ray source 3 is mounted on the carriage 703 and moves with the movement of the carriage 703. The detected initial state is that the X-ray source 3 is located at one end of the stroke of the lead screw 701. The person to be detected stands on the pedal 1 with two feet, and the two feet stand on two sides of the limiting block 4 respectively and keep still. Then, under the driving of the corresponding motor 702, the X-ray sources 3 on both sides move from one end of the lead screw 701 to the other end thereof at the same time. In this process, the X-ray beam A is scanned across the feet of the subject including shoes, while the transmitted X-rays are received by the X-ray detector 2. After processing, the transmitted X-ray signal is converted into a perspective image of the feet of the person to be examined and transmitted to the imaging display screen 10. And the operator judges whether the feet and the shoes of the person to be detected are hidden with prohibited articles or not according to the image.

In this embodiment, the body includes a base 5 and a limiting side frame 8 disposed opposite to each other on both sides of the base 5 with a space reserved therebetween to form a passage. The pedal 1 is positioned above the base 5 and is matched with the base 5 to form a closed accommodating cavity between the two; the X-ray detector 2 is arranged in the accommodating cavity. A clamping cavity is arranged in each limiting side frame 8, and the side surfaces of the two sides of the limiting side frames 8, which are close to each other, are respectively provided with a window and a light-transmitting plate 9 which is arranged at the window and is made of a light-transmitting material for transmitting X-rays; the X-ray source 3 is located within the cavity and faces the light-transmitting plate 9. The safety of each detection part service environment can be effectively guaranteed to the setting of this structure.

In this embodiment, the light-transmitting plate 9 and the pedal 1 are made of carbon fiber. And cavities communicated with the clamping cavities in the corresponding limiting side frames 8 are arranged on the base 5 and below the limiting side frames 8 on any side, and the driving mechanism 7 is positioned in the cavities.

In the present embodiment, in order to ensure the comfort of the person during the examination, the standing range of the person to be examined, that is, the direction of the line connecting the X-ray sources 3 on both sides of the width of the step 1 is 400 mm. In order to reduce the energy loss of the X-rays, the gap between the foot plate 1 and the X-ray detector 2 should be as small as possible, in this example 10 mm.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A through-type micro-dose X-ray foot detector is characterized by comprising a machine body, a foot plate and a micro-dose X-ray foot detector, wherein the machine body is provided with a channel for pedestrians to pass through and a pedal (1) which is arranged at the bottom of the channel and made of a light-transmitting material for X-rays to pass through; an X-ray detector (2) is arranged below the pedal (1); and an X-ray source (3) for projecting X-rays to the X-ray detector (2) and a driving mechanism (7) for driving the X-ray source (3) to horizontally reciprocate along the travelling direction of the channel are respectively arranged on two sides of the channel.

2. The through-type microdose X-ray foot detector according to claim 1, characterised in that a stop block (4) is provided on the pedal (1) between the X-ray sources (3) on both sides thereof.

3. The through-type micro-dose X-ray foot detector according to claim 1, wherein the X-rays projected by the X-ray sources (3) at both sides of the channel are respectively located at both sides of the limiting block (4).

4. The through-type microdose X-ray foot detector according to claim 3, wherein the driving mechanism (7) comprises a lead screw (701) arranged along the extending direction of the channel, guide rods oppositely arranged at two sides of the lead screw (701), a motor (702) connected with the lead screw (701), and a sliding seat (703) which is in threaded fit with the lead screw (701) and is in sliding fit with the guide rods; the X-ray source (3) is mounted on the sliding base (703) and moves along with the movement of the sliding base (703).

5. The through-type micro-dose X-ray foot detector according to claim 1, wherein the body comprises a base (5) and limiting side frames (8) oppositely arranged on two sides of the base (5) with a space reserved therebetween to form a channel.

6. The through-type microdose X-ray foot detector according to claim 5, characterised in that the footplate (1) is located above the base (5) and cooperates with the base (5) to form a closed containing cavity therebetween; the X-ray detector (2) is arranged in the accommodating cavity.

7. The through-type micro-dose X-ray foot detector according to claim 4, wherein a clamping cavity is arranged inside the limiting side frames (8), and the side surfaces of the two sides of the limiting side frames (8) close to each other are respectively provided with a window and a light-transmitting plate (9) which is arranged at the window and is made of a light-transmitting material for transmitting X-rays; the X-ray source (3) is positioned in the cavity and faces the light-transmitting plate (9).

8. The through-type micro-dose X-ray foot detector according to claim 7, wherein the light-transmitting plate (9) is made of carbon fiber.

9. The through-type micro-dose X-ray foot detector according to any one of claims 1 to 8, wherein the pedal (1) is made of carbon fiber.

10. The through-type microdose X-ray foot detector according to any of claims 1-8, further comprising an imaging display screen (10) connected to the X-ray detector (2).