阅读说明：本技术 一种微剂量x光足部探测仪 (Micro-dose X-ray foot detector ) 是由 赵群礼 张鹏冲 夏国平 杨广国 孙甲甲 于 2020-04-24 设计创作，主要内容包括：本发明公开了一种微剂量X光足部探测仪,包括机体、驱动机构、X光探测器、以及用于向X光探测器投射X光的X光源,其中：机体包括由可供X光透过的透光材料制作而成的踏板；X光探测器、X光源和驱动机构均安装在机体上,且X光探测器位于踏板的下方,X光源位于踏板的斜上方,驱动机构与X光源连接以用于驱动X光源由踏板的一侧向其另一侧直线往复移动。本发明通过采用X光透视成像原理对人体足部进行扫描成像,可以方便地对人员脚部进行安全检查,以判断其中是否藏匿有违禁品,解决了当前安检实践中存在的人员脚部因检查不方便而容易被草率检查或漏检的漏洞。(The invention discloses a micro-dose X-ray foot detector, which comprises a machine body, a driving mechanism, an X-ray detector and an X-ray source for projecting X-rays to the X-ray detector, wherein: the machine body comprises a pedal made of a light-transmitting material for transmitting X-rays; the X-ray detector, the X-ray source and the driving mechanism are all installed on the machine body, the X-ray detector is located below the pedal, the X-ray source is located above the pedal in an inclined mode, and the driving mechanism is connected with the X-ray source and used for driving the X-ray source to linearly reciprocate from one side of the pedal to the other side of the pedal. The invention can conveniently carry out safety inspection on the feet of the person by adopting the X-ray perspective imaging principle to judge whether contraband is hidden in the feet of the person, thereby solving the problem that the feet of the person are easily inspected at a high rate or are not inspected due to inconvenient inspection in the current safety inspection practice.)

1. A micro-dose X-ray foot detector is characterized by comprising a machine body, a driving mechanism, an X-ray detector (2) and an X-ray source (1) for projecting X-rays to the X-ray detector (2), wherein:

the machine body comprises a pedal (5) made of a light-transmitting material for transmitting X-rays;

the X-ray detector (2), the X-ray source (1) and the driving mechanism are all installed on the machine body, the X-ray detector (2) is located below the pedal (5), the X-ray source (1) is located obliquely above the pedal (5), and the driving mechanism is connected with the X-ray source (1) and used for driving the X-ray source (1) to linearly reciprocate from one side of the pedal (5) to the other side of the pedal.

2. The micro-dose X-ray foot detector according to claim 1, wherein the pedal (5) is provided with a left treading area and a right treading area, and the left treading area and the right treading area are arranged at a distance along the moving direction of the X-ray source (1).

3. The micro-dose X-ray foot detector according to claim 1, wherein the pedal (5) is made of carbon fiber.

4. The micro-dose X-ray foot detector according to claim 1, wherein a guidance display screen (8) for prompting the tester to enter the test position is installed on the body above the pedal (5).

5. The microdose X-ray foot detector according to claim 1, characterised in that the distance between the X-ray detector (2) and the foot plate (5) is 0-20 mm.

6. The micro-dose X-ray foot detector according to claim 1, wherein the driving mechanism comprises a screw transmission mechanism (4) and a column (3) driven by the screw transmission mechanism (4) to move linearly; the X-ray source (1) is mounted on the upright post (3) and moves along with the movement of the upright post (3).

7. The micro-dose X-ray foot detector according to claim 1, wherein the body further comprises a base (10) and a stand (9), the pedal (5) is fixed on the base (10) and is matched with the base (10) to form a closed accommodating cavity between the base and the stand, and the X-ray detector (2) is arranged in the accommodating cavity; the stand (9) is positioned on the base (10) and fixed with the base (10), a clamping cavity is arranged in the stand (9), the driving mechanism is positioned in the clamping cavity, and the X-ray source (1) is connected with the driving mechanism.

8. The micro-dose X-ray foot detector according to claim 7, wherein a window communicated with the clamping cavity inside the stand (9) is arranged on one surface of the stand (9) which is positioned above the pedal (5) and faces the pedal (5); the X-ray source (1) is positioned in the clamping cavity, and the X-ray projection opening of the X-ray source faces the window.

9. The micro-dose X-ray foot detector according to claim 8, wherein a light transmitting plate is mounted at the window, and the light transmitting plate is made of a light transmitting material through which X-rays can pass.

10. A microdose X-ray foot detector according to any of claims 1-9, characterised by further comprising an imaging display (7) connected to the X-ray detector (2).

Technical Field

The invention relates to the technical field of detection, in particular to a micro-dose X-ray foot detector.

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. However, the feet of people are low in position, so that safety inspection personnel cannot conveniently bend over to inspect, the feet are often inspected by grass or missed inspection, and certain safety loopholes exist.

Disclosure of Invention

In order to solve the technical problems in the background technology, the invention provides a micro-dosage X-ray foot detector.

The invention provides a micro-dose X-ray foot detector, which comprises a machine body, a driving mechanism, an X-ray detector and an X-ray source for projecting X-rays to the X-ray detector, wherein:

the machine body comprises a pedal made of a light-transmitting material for transmitting X-rays;

the X-ray detector, the X-ray source and the driving mechanism are all installed on the machine body, the X-ray detector is located below the pedal, the X-ray source is located above the pedal in an inclined mode, and the driving mechanism is connected with the X-ray source and used for driving the X-ray source to linearly reciprocate from one side of the pedal to the other side of the pedal.

Preferably, a left foot treading area and a right foot treading area are arranged on the pedal, and the left foot treading area and the right foot treading area are arranged at intervals along the moving direction of the X-ray source.

Preferably, the pedal is made of carbon fiber.

Preferably, a guide display screen for prompting a tester to enter the test position is arranged on the machine body and above the pedal.

Preferably, the distance between the X-ray detector and the pedal is 0-20 mm.

Preferably, the driving mechanism comprises a lead screw transmission mechanism and a vertical column driven by the lead screw transmission mechanism to move linearly; the X-ray source is mounted on the upright and moves along with the movement of the upright.

Preferably, the machine body further comprises a base and a stand, the pedal is fixed on the base and matched with the base to form a closed accommodating cavity between the pedal and the base, and the X-ray detector is installed in the accommodating cavity; the vertical frame is positioned on one side of the pedal and fixed with the base, a clamping cavity is arranged inside the vertical frame, the driving mechanism is positioned in the clamping cavity, and the X-ray source is connected with the driving mechanism.

Preferably, a light-transmitting plate is installed at the window, and the light-transmitting plate is made of a light-transmitting material which can be penetrated by the X-ray.

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

According to the invention, the human foot is scanned and imaged by adopting an X-ray perspective imaging principle, so that the safety of the human foot can be conveniently checked to judge whether prohibited articles are hidden in the human foot, and the problem that the human foot is easily checked at a high rate or is missed due to inconvenient checking in the current safety check practice is solved.

Drawings

Fig. 1 is a schematic structural diagram of a micro-dose X-ray foot detector according to the present invention;

fig. 2 is a schematic structural diagram of a micro-dose X-ray foot detector according to the present invention;

FIG. 3 is a schematic diagram of the internal structure of a micro-dose X-ray foot detector according to the present invention;

FIG. 4 is a top view of a micro-dose X-ray foot detector according to the present invention;

fig. 5 is a sectional view taken along the line a-a in fig. 4.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to specific examples.

As shown in fig. 1-5, fig. 1 is a schematic structural diagram of a microdose X-ray foot detector according to the present invention; fig. 2 is a schematic structural diagram of a micro-dose X-ray foot detector according to the present invention; FIG. 3 is a schematic diagram of the internal structure of a micro-dose X-ray foot detector according to the present invention; FIG. 4 is a top view of a micro-dose X-ray foot detector according to the present invention; fig. 5 is a sectional view taken along the line a-a in fig. 4.

Referring to fig. 1 to 5, the present invention provides a micro-dose X-ray foot detector, including a body, a driving mechanism, an X-ray detector 2, and an X-ray source 1 for projecting X-rays to the X-ray detector 2, wherein:

the machine body comprises a pedal 5 made of a light-transmitting material for transmitting X-rays;

the X-ray detector 2, the X-ray source 1 and the driving mechanism are all installed on the machine body, the X-ray detector 2 is located below the pedal 5, the X-ray source 1 is located obliquely above the pedal 5, and the driving mechanism is connected with the X-ray source 1 and used for driving the X-ray source 1 to linearly reciprocate from one side of the pedal 5 to the other side of the pedal.

When the foot pedal scanning device is used, the X-ray outlet direction of the X-ray source 1 is inclined downwards, so that the ray beam 6 emitted by the X-ray source 1 can cover the whole range of the pedal 5 from front to back, and therefore when a person stands on the pedal to be scanned, a complete image of the feet from front to back can be obtained.

Therefore, the invention can conveniently carry out safety inspection on the feet of the personnel by adopting the X-ray perspective imaging principle to carry out scanning imaging on the feet of the human body so as to judge whether contraband is hidden in the feet of the personnel, and solves the problem that the feet of the personnel are easily inspected at a high rate or are not inspected at a high rate due to inconvenient inspection in the current safety inspection practice.

In addition, in this embodiment, be equipped with left foot on the footboard 5 and step on the district with right foot and step on the district, left foot is stepped on district and is stepped on the district with right foot and follow 1 moving direction interval arrangement of X light source to left foot is stepped on the setting up in district and right foot and is stepped on the district and can indicate that the tester keeps the bipod separately, thereby can prevent effectively that the person of being examined from drawing close and causing left and right foot image to overlap.

In this embodiment, the apparatus further comprises an imaging display 7 connected to the X-ray detector 2. And a guide display screen 8 for prompting a tester to enter a test position is arranged on the machine body and above the pedal 5. The driving mechanism comprises a lead screw transmission mechanism 4 and an upright post 3 which is driven by the lead screw transmission mechanism 4 to move linearly; the X-ray source 1 is mounted on a column 3 and moves with the movement of the column 3. In the initial state, the X-ray source 1 is located at one end of the stroke of the screw drive mechanism 4. According to the prompt of the guide display screen 8, the person to be detected stands in the left foot treading area and the right foot treading area on the pedal 5 respectively by two feet and keeps still. Then, under the drive of a motor in the screw rod transmission mechanism 4, the X-ray source 1 moves from one side of the pedal 5 to the other side at a constant speed. In the process, the X-ray beam 6 emitted by the X-ray source 1 scans the feet of the detected person, including shoes, and the transmitted rays are received by the X-ray detector 2. After processing, the transmitted ray signal is converted into a perspective image of the foot of the person to be detected and transmitted to the imaging display screen 7. The operator judges whether the feet and the shoes of the detected person are hidden with contraband or not according to the image.

In this embodiment, the pedal 5 is made of carbon fiber.

In this embodiment, the distance between the X-ray detector 2 and the pedal 5 is 5 mm. The gap between the X-ray detector 2 and the X-ray detector 2 is made as small as possible while ensuring the safety of the X-ray detector 2, so that the energy loss of the X-ray 6 before the X-ray reaches the X-ray detector 2 after passing through the foot is reduced, and better image data and imaging quality are obtained.

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 width of the step 5 in the moving direction of the X-ray source 1 is 300 mm.

In this embodiment, the machine body further comprises a base 10 and a stand 9, the pedal 5 is fixed on the base 10 and matched with the base 10 to form a closed accommodating cavity therebetween, and the X-ray detector 2 is installed in the accommodating cavity; the vertical frame 9 is located above the base 10 and fixed with the base 10, a clamping cavity is arranged inside the vertical frame 9, the driving mechanism is located in the clamping cavity, and the X-ray source 1 is connected with the driving mechanism. A window communicated with the clamping cavity in the stand 9 is arranged on one surface, which is positioned above the pedal 5 and faces the pedal 5, of the stand 9, and a light-transmitting plate is arranged at the window and is made of a light-transmitting material for transmitting X-rays; the X-ray source 1 is positioned in the clamping cavity, and the X-ray projection opening of the X-ray source faces the window. The safety of the use environment of the component can be effectively guaranteed by the aid of the structure.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.