CN111426706A - Through type micro-dose X-ray foot detector - Google Patents
Through type micro-dose X-ray foot detector Download PDFInfo
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- CN111426706A CN111426706A CN202010330107.8A CN202010330107A CN111426706A CN 111426706 A CN111426706 A CN 111426706A CN 202010330107 A CN202010330107 A CN 202010330107A CN 111426706 A CN111426706 A CN 111426706A
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- 239000000463 material Substances 0.000 claims abstract description 8
- 238000003384 imaging method Methods 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
- G01N23/10—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in a luggage X-ray scanners
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
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- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- High Energy & Nuclear Physics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention discloses a through-type micro-dose X-ray foot detector, which comprises a machine body, a foot rest 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 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 invention solves the problem that the feet of the personnel are easy to be checked at a high rate or not checked due to inconvenient checking in the current security check practice, and the detection efficiency can be effectively improved by a pass-type detection mode.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a through type 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. 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.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a through type micro-dose X-ray foot detector.
The invention provides a through-type micro-dose X-ray foot detector which comprises a machine body, a foot rest 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 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 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.
According to the invention, the human foot is scanned and imaged by adopting an X-ray perspective imaging principle, so that the safety inspection of the human foot can be conveniently carried out to judge whether prohibited articles are hidden in the human foot, the problem that the human foot is easily inspected at a high rate or is not inspected easily due to inconvenient inspection in the current safety inspection practice is solved, and the detection efficiency can be effectively improved by a pass-type detection mode.
Drawings
FIG. 1 is a schematic diagram showing the appearance structure of a through-type micro-dose X-ray foot detector according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a through-type micro-dose X-ray foot detector according to the present invention;
FIG. 3 is a schematic structural diagram of the driving mechanism in a through-type micro-dose X-ray foot detector according to the present invention;
fig. 4 is a schematic diagram of the working principle of the through-type micro-dose X-ray foot detector.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
As shown in fig. 1-4, fig. 1 is a schematic structural diagram of an appearance of a through-type micro-dose X-ray foot detector according to the present invention; FIG. 2 is a schematic diagram of the internal structure of a through-type micro-dose X-ray foot detector according to the present invention; FIG. 3 is a schematic structural diagram of the driving mechanism in a through-type micro-dose X-ray foot detector according to the present invention; fig. 4 is a schematic diagram of the working principle of the through-type micro-dose X-ray foot detector.
Referring to fig. 1-3, the invention provides a through-type micro-dose X-ray foot detector, which comprises a body, a foot plate and a sensor, wherein the 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 is 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 walking direction of the channel are respectively arranged on two sides of the channel.
Therefore, the invention can conveniently carry out safety inspection on the feet of the person by adopting the X-ray perspective imaging principle to carry out scanning imaging on the feet of the person so as to judge whether contraband is hidden in the feet of the person, and solves the problem that the feet of the person are easily inspected at a high rate or not because of inconvenient inspection in the current safety inspection practice.
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 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.
Claims (10)
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 2, 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 1, wherein the driving mechanism (7) comprises a lead screw (701) arranged along the extending direction of the channel, guide rods arranged on two sides of the lead screw (701) oppositely, 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 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 5, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330107.8A CN111426706A (en) | 2020-04-24 | 2020-04-24 | Through type micro-dose X-ray foot detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330107.8A CN111426706A (en) | 2020-04-24 | 2020-04-24 | Through type micro-dose X-ray foot detector |
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| Publication Number | Publication Date |
|---|---|
| CN111426706A true CN111426706A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010330107.8A Pending CN111426706A (en) | 2020-04-24 | 2020-04-24 | Through type micro-dose X-ray foot detector |
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| Country | Link |
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| CN (1) | CN111426706A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533387A (en) * | 2021-08-06 | 2021-10-22 | 安徽启路达光电科技有限公司 | Lower limb safety inspection device and safety inspection method |
| CN113533389A (en) * | 2021-08-06 | 2021-10-22 | 安徽启路达光电科技有限公司 | Through type lower limb safety inspection device |
| CN113533390A (en) * | 2021-08-06 | 2021-10-22 | 安徽启路达光电科技有限公司 | Conveying type security inspection equipment |
-
2020
- 2020-04-24 CN CN202010330107.8A patent/CN111426706A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533387A (en) * | 2021-08-06 | 2021-10-22 | 安徽启路达光电科技有限公司 | Lower limb safety inspection device and safety inspection method |
| CN113533389A (en) * | 2021-08-06 | 2021-10-22 | 安徽启路达光电科技有限公司 | Through type lower limb safety inspection device |
| CN113533390A (en) * | 2021-08-06 | 2021-10-22 | 安徽启路达光电科技有限公司 | Conveying type security inspection equipment |
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