CN210982763U - Multiband millimeter wave dangerous article detection equipment - Google Patents
Multiband millimeter wave dangerous article detection equipment Download PDFInfo
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- CN210982763U CN210982763U CN201921013375.6U CN201921013375U CN210982763U CN 210982763 U CN210982763 U CN 210982763U CN 201921013375 U CN201921013375 U CN 201921013375U CN 210982763 U CN210982763 U CN 210982763U
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Abstract
The utility model provides a dangerous goods check out test set of multiband millimeter wave, include: the device comprises a device shell, wherein an embedded control circuit board, a multiband millimeter wave transmitter and a millimeter wave receiver which are electrically connected with the embedded control circuit board, and an alarm device which is electrically connected with the embedded control circuit board are arranged in the device shell; the top of the equipment shell is provided with a first connecting rod, a small-diameter through hole is formed in the first connecting rod, the multiband millimeter wave transmitter is electrically connected with a first antenna transmitting end through a signal wire arranged in the small-diameter through hole in the first connecting rod, and the first antenna transmitting end is arranged at the top of the first connecting rod; the bottom of the equipment shell is provided with a second connecting rod, a small-diameter through hole is formed in the second connecting rod, the millimeter wave receiver is electrically connected with a first antenna receiving end through a signal wire arranged in the small-diameter through hole in the second connecting rod, and the first antenna receiving end is arranged at the bottom of the second connecting rod.
Description
Technical Field
The utility model relates to a security protection detects technical field, especially relates to a dangerous goods check out test set of multiband millimeter wave.
Background
Safety inspection equipment widely used for many years, such as a magnetic needle, a metal weapon detection door, an X-ray detector and the like, can find dangerous goods such as weapons, common explosives and the like, and plays an important role in safety inspection work; for the detection of some special dangerous goods, such as explosives, drugs, etc., the corresponding targeted detection is performed by a special dangerous goods detection device. In the prior art, a millimeter wave detection device is generally adopted for equipment for detecting special dangerous goods, and the millimeter wave detection device transmits signals through a millimeter wave transmitter or a multiband millimeter wave transmitter, receives the signals through a millimeter wave receiver, processes data through a processor in the equipment, judges the data and sends out alarm signals through an alarm device in the equipment.
The millimeter wave detection device in the prior art is the same as a common signal transmitting device, and the transmitting antenna and the receiving antenna are arranged on the same side, for example, a mobile phone antenna and a set top box antenna are arranged on the same side, so that the advantage of arrangement is that the other side of the equipment is directly placed close to the wall without considering antenna shielding, so as to save space; however, when the mode of setting on the same side is applied to the millimeter wave detection device, in practical application, the antenna transmitting end and the antenna receiving end are set on the same side due to the wave frequency characteristics of the millimeter waves, and because the distance on the same side is too short, the signal transmitted by the antenna transmitting end itself causes millimeter wave interference to the signal received by the antenna receiving end, which causes an error in the received wave frequency signal.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dangerous goods check out test set of multiband millimeter wave, through set up the connecting rod on equipment housing to set up antenna transmitting terminal and antenna receiving terminal on two relative faces, because antenna transmitting terminal and antenna receiving terminal set up in the same side among the solution prior art, because the distance is too short, and the signal that leads to antenna transmitting terminal self transmission causes the technical problem of millimeter wave interference to the signal that antenna receiving terminal received, thereby preserve the signal through the connecting rod, make the signal concentrate to the transmitting terminal and launch again; and the antenna transmitting end and the antenna receiving end are separately arranged, so that signal interference is avoided, and the quality of signals received by the antenna receiving end is improved.
In order to solve the technical problem, the embodiment of the utility model provides a dangerous goods check out test set of multiband millimeter wave is provided, include: the device comprises a device shell, wherein an embedded control circuit board, a multiband millimeter wave transmitter and a millimeter wave receiver which are electrically connected with the embedded control circuit board, and an alarm device which is electrically connected with the embedded control circuit board are arranged in the device shell;
the top of the equipment shell is provided with a first connecting rod, a small-diameter through hole is formed in the first connecting rod, the multiband millimeter wave transmitter is electrically connected with a first antenna transmitting end through a signal wire arranged in the small-diameter through hole in the first connecting rod, and the first antenna transmitting end is arranged at the top of the first connecting rod;
the bottom of the equipment shell is provided with a second connecting rod, a small-diameter through hole is formed in the second connecting rod, the millimeter wave receiver is electrically connected with a first antenna receiving end through a signal wire arranged in the small-diameter through hole in the second connecting rod, and the first antenna receiving end is arranged at the bottom of the second connecting rod.
Preferably, the multiband millimeter wave dangerous goods detection equipment further comprises a third connecting rod and a second antenna transmitting end, the third connecting rod is arranged at the top of the equipment shell, a small-diameter through hole is formed in the third connecting rod, the multiband millimeter wave transmitter is electrically connected with the second antenna transmitting end through a signal line arranged in the small-diameter through hole in the third connecting rod, and the second antenna transmitting end is arranged at the top of the third connecting rod.
Preferably, the direction of the first antenna transmitting end is opposite to the direction of the second antenna transmitting end.
As a preferable scheme, the multiband millimeter wave dangerous goods detection equipment further comprises a fourth connecting rod and a second antenna receiving end, the fourth connecting rod is arranged at the bottom of the equipment shell, a small-diameter through hole is formed in the fourth connecting rod, the millimeter wave receiver is electrically connected with the second antenna receiving end through a signal line arranged in the small-diameter through hole in the fourth connecting rod, and the second antenna receiving end is arranged at the bottom of the fourth connecting rod.
Preferably, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are all made of metal.
Preferably, the outer surface layers of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are provided with rubber layers for buffering pressure and protecting signal lines.
Preferably, the back of the device shell is further provided with a barb structure, and the barb structure is welded and fixed at the back of the device shell and used for enabling the shell to be hooked on an external object.
Preferably, a liquid crystal display electrically connected with the embedded control circuit board is further mounted on the outer surface of the device shell, and the liquid crystal display is used for displaying images detected by the millimeter waves.
Preferably, the multiband millimeter wave dangerous goods detection equipment further comprises a support frame, and the equipment shell is fixedly mounted on the support frame.
Preferably, the bottom of the supporting frame is provided with a plurality of supporting rollers.
Compared with the prior art, the embodiment of the utility model provides a have following beneficial effect:
1. the utility model discloses a set up the connecting rod on the equipment casing to set up antenna emission end and antenna receiving terminal on two relative faces, in order to solve among the prior art because antenna emission end and antenna receiving terminal set up in the same side, because of the distance is too short, and the signal that leads to antenna emission end self to launch causes the technical problem of millimeter wave interference to the signal that antenna receiving terminal received, thereby preserve the signal through the connecting rod, make the signal concentrate to the transmitting terminal and launch again; and the antenna transmitting end and the antenna receiving end are separately arranged, so that signal interference is avoided, and the quality of signals received by the antenna receiving end is improved.
2. The range and the distance of signal transmission are increased through a dual-antenna transmission structure; the quality of signal reception is improved by a dual antenna reception structure.
3. The barb structure is arranged on the back of the equipment shell, so that the multiband millimeter wave dangerous article detection equipment can be hooked on an external object, such as a wall, in practical application; the problem of the increase of the layout area caused by the relative position arrangement of the antenna transmitting end and the antenna receiving end is solved, and the multiband millimeter wave dangerous goods detection equipment is hooked on a wall through the barb structure, so that the space can be saved.
4. Through being fixed in the equipment housing installation on the support frame, can realize conveniently removing the dangerous article check out test set of multiband millimeter wave through the supporting roller on the support frame, avoid check out test set can only fix and detect in certain place, can realize removing the detection.
Drawings
FIG. 1: is a schematic structural diagram of the equipment shell in the embodiment of the utility model;
FIG. 2: the structure of the multiband millimeter wave dangerous article detection equipment in the first embodiment of the utility model is shown schematically;
FIG. 3: the structure schematic diagram of the multiband millimeter wave dangerous article detection equipment in the second embodiment of the utility model is shown;
wherein the reference numbers of the drawings in the specification are as follows:
1. equipment casing, 2, head rod, 3, first antenna transmitting terminal, 4, second connecting rod, 5, first antenna receiving terminal, 6, third connecting rod, 7, second antenna transmitting terminal, 8, fourth connecting rod, 9, second antenna receiving terminal, 10, barb structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In a first embodiment, please refer to fig. 1 and fig. 2, a preferred embodiment of the present invention provides a multiband millimeter wave dangerous goods detection apparatus, including: the device comprises a device shell, wherein an embedded control circuit board, a multiband millimeter wave transmitter and a millimeter wave receiver which are electrically connected with the embedded control circuit board, and an alarm device which is electrically connected with the embedded control circuit board are arranged in the device shell; the top of the equipment shell is provided with a first connecting rod, a small-diameter through hole is formed in the first connecting rod, the multiband millimeter wave transmitter is electrically connected with a first antenna transmitting end through a signal wire arranged in the small-diameter through hole in the first connecting rod, and the first antenna transmitting end is arranged at the top of the first connecting rod; the bottom of the equipment shell is provided with a second connecting rod, a small-diameter through hole is formed in the second connecting rod, the millimeter wave receiver is electrically connected with a first antenna receiving end through a signal wire arranged in the small-diameter through hole in the second connecting rod, and the first antenna receiving end is arranged at the bottom of the second connecting rod.
The utility model discloses a set up the connecting rod on the equipment casing to set up antenna emission end and antenna receiving terminal on two relative faces, in order to solve among the prior art because antenna emission end and antenna receiving terminal set up in the same side, because of the distance is too short, and the signal that leads to antenna emission end self to launch causes the technical problem of millimeter wave interference to the signal that antenna receiving terminal received, thereby preserve the signal through the connecting rod, make the signal concentrate to the transmitting terminal and launch again; and the antenna transmitting end and the antenna receiving end are separately arranged, so that signal interference is avoided, and the quality of signals received by the antenna receiving end is improved. Through setting up the antenna signal line inside the connecting rod, can utilize the closure of connecting rod to prevent that the signal from leaking in advance, make the transmission signal concentrate the transmitting terminal at connecting rod top and emit away again.
The utility model discloses dangerous goods check out test set of multiband millimeter wave through multiband millimeter wave transmitter transmission millimeter wave radiation, and rethread millimeter wave receiver receives the millimeter wave of following the detection object and reflecting back, through the discernment to the millimeter wave of reflecting back, can effectively judge whether there is dangerous goods in the detection area. And simultaneously, the utility model discloses, can produce the millimeter wave of different wave bands respectively under embedded control circuit board's control through multiband millimeter transmitter, implement the detection through the millimeter wave of multiple different wave bands, further reduced the hourglass rate of examining of hazardous articles. More importantly, most of the traditional security inspection equipment uses x-rays, the radiation of the traditional security inspection equipment can cause certain damage to the human body, and the millimeter waves can not cause any radiation to the human body, so that the traditional security inspection equipment is safe. The utility model discloses utilize the millimeter wave radiation, its detection relies on the natural radiation of various animate and inanimate target transmission to go on completely, is safe and not noticed by the people. The detected target does not know that he/she is scanning, which provides a large operating space for the operator and increases the safety factor. In addition, by the method, only dangerous goods and specific positions thereof can be displayed, and other goods of the detected person cannot be exposed, so that the individual privacy of the detected person is well protected.
More specifically, when millimeter wave radiation is used for imaging, the reflectivity of different objects is very different, which causes the brightness and temperature of the target and the surrounding background to be significantly different, and thus a brightness temperature distribution is formed in the field of view of the antenna. And performing wavelet denoising on the image by using a Donoho wavelet soft threshold denoising method through a wavelet denoising technology to ensure that the target image has clear outline and complete edge. In order to enable the target image to be easier to split, an image value-added technology is used for processing, the image is converted into a binary image after threshold value splitting, the dangerous goods image is split, morphological operation is carried out on the split image, the extremely small interference area is removed, and the target is more favorably analyzed and processed independently. And extracting the shape and structural characteristics of the target by a specific extraction method, and accurately positioning the position of the dangerous goods. The background image recognition processing performed by the detection device to extract features can be divided into image recognition and image segmentation. The image identification is to classify the images after being coded, contracted, enhanced, divided and restored to determine the name of the class, and it can select the features to be extracted based on the division, measure some parameters, extract the features, and finally classify the images with the same commonality into one class and the images with another commonality into one class according to the measurement result. The image segmentation is to extract meaningful characteristic parts in the image, which is the basis for further image recognition, analysis and understanding. The image feature extraction function is to process, sort, analyze and summarize the data materials known by investigation to remove false and true, and extract the features capable of reflecting the essence of things. The classification and positioning are carried out by adopting a classification discrimination function and a discrimination rule according to the extracted target characteristic parameters to classify and identify the image information, positioning the dangerous goods on the invisible light and millimeter wave integrated image by using a template matching method, and analyzing the positioning precision to obtain the identification result.
In a second embodiment, please refer to fig. 1 and fig. 3, based on the first embodiment, the multiband millimeter wave transmitter further includes a third connecting rod and a second antenna transmitting end, the third connecting rod is disposed at the top of the device housing, a small-diameter through hole is disposed in the third connecting rod, the multiband millimeter wave transmitter is electrically connected to the second antenna transmitting end through a signal line disposed in the small-diameter through hole in the third connecting rod, and the second antenna transmitting end is disposed at the top of the third connecting rod. In this embodiment, the first antenna transmitting end and the second antenna transmitting end face in opposite directions.
In this embodiment, still include fourth connecting rod and second antenna receiving terminal, the fourth connecting rod sets up the bottom of equipment casing, be equipped with the minor diameter through-hole in the fourth connecting rod, the millimeter wave receiver is through setting up signal line in the minor diameter through-hole in the fourth connecting rod is connected with second antenna receiving terminal electricity, the second antenna receiving terminal sets up the bottom department of fourth connecting rod.
In this embodiment, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are all made of metal. In this embodiment, the outer surface layers of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are all provided with rubber layers for buffering pressure and protecting signal lines.
The range and the distance of signal transmission are increased through a dual-antenna transmission structure; the quality of signal reception is improved by a dual antenna reception structure. The connecting rod of metal material can make the signal closure of connecting rod portion better, and two increase the rubber layer and can meet the circumstances such as extrusion in the removal use of considering equipment outside the connecting rod, in order to protect the antenna better, play the resistance to compression effect to the connecting rod through addding the rubber layer, the rubber layer can bear and absorb partial atress.
In a third embodiment, on the basis of any one of the above embodiments, the back of the device housing is further provided with a barb structure, and the barb structure is welded and fixed at the back of the device housing and used for enabling the housing to be hooked on an external object.
The barb structure is arranged on the back of the equipment shell, so that the multiband millimeter wave dangerous article detection equipment can be hooked on an external object, such as a wall, in practical application; the problem of the increase of the layout area caused by the relative position arrangement of the antenna transmitting end and the antenna receiving end is solved, and the multiband millimeter wave dangerous goods detection equipment is hooked on a wall through the barb structure, so that the space can be saved.
Fourth, on the basis of any one of the above embodiments, the device further includes a support frame, and the device housing is mounted and fixed on the support frame. In this embodiment, the bottom of the supporting frame is provided with a plurality of supporting rollers.
Through being fixed in the equipment housing installation on the support frame, can realize conveniently removing the dangerous article check out test set of multiband millimeter wave through the supporting roller on the support frame, avoid check out test set can only fix and detect in certain place, can realize removing the detection.
The multiband millimeter wave dangerous goods detection equipment can be installed on the walls of pedestrian flow streets and passageways. More preferably, to the people flow collecting and distributing ground, often need the timesharing to increase the dangerous goods check out test set, the utility model discloses in the preferred embodiment, can install check out test set on a support frame, the patrol and guard can set up the removal control point as required, and is very convenient, has practiced thrift the cost again.
It should be understood that, in order to display the image detected by the millimeter wave, on the basis of the above four embodiments, respectively, the method further includes: and the outer surface of the equipment shell is also provided with a liquid crystal display electrically connected with the embedded control circuit board, and the liquid crystal display is used for displaying images detected by the millimeter waves.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention. It should be understood that any modification, equivalent replacement, or improvement made by those skilled in the art without departing from the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multi-band millimeter wave threat detection apparatus, comprising: the device comprises a device shell, wherein an embedded control circuit board, a multiband millimeter wave transmitter and a millimeter wave receiver which are electrically connected with the embedded control circuit board, and an alarm device which is electrically connected with the embedded control circuit board are arranged in the device shell;
the top of the equipment shell is provided with a first connecting rod, a small-diameter through hole is formed in the first connecting rod, the multiband millimeter wave transmitter is electrically connected with a first antenna transmitting end through a signal wire arranged in the small-diameter through hole in the first connecting rod, and the first antenna transmitting end is arranged at the top of the first connecting rod;
the bottom of the equipment shell is provided with a second connecting rod, a small-diameter through hole is formed in the second connecting rod, the millimeter wave receiver is electrically connected with a first antenna receiving end through a signal wire arranged in the small-diameter through hole in the second connecting rod, and the first antenna receiving end is arranged at the bottom of the second connecting rod.
2. The multiband millimeter wave threat detection apparatus of claim 1, further comprising a third connection bar disposed at a top of the apparatus housing, the third connection bar having a small diameter through hole disposed therein, and a second antenna transmission end disposed at the top of the third connection bar, the multiband millimeter wave transmitter being electrically connected to the second antenna transmission end via a signal line disposed within the small diameter through hole in the third connection bar.
3. The multiband millimeter wave threat detection apparatus of claim 2, wherein the first antenna transmission end is oriented in a direction opposite to the second antenna transmission end.
4. The multiband millimeter wave threat detection apparatus of claim 2, further comprising a fourth connection bar disposed at a bottom of the apparatus housing, and a second antenna receiving end disposed at the bottom of the fourth connection bar, the fourth connection bar having a small diameter through hole disposed therein, the millimeter wave receiver being electrically connected to the second antenna receiving end through a signal line disposed within the small diameter through hole in the fourth connection bar.
5. The multiband millimeter wave threat detection apparatus of claim 4, wherein the first connecting rod, the second connecting rod, the third connecting rod, and the fourth connecting rod are all made of metal.
6. The multiband millimeter wave threat detection apparatus of claim 5, wherein the outer surface layers of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are provided with rubber layers for buffering pressure and protecting signal lines.
7. The multiband millimeter wave threat detection apparatus of claim 1, wherein the back of the apparatus housing is further provided with a barb structure, and the barb structure is welded and fixed at the back of the apparatus housing for realizing hooking of the housing on an external object.
8. The multiband millimeter wave threat detection apparatus of claim 1, wherein a liquid crystal display electrically connected to the embedded control circuit board is further mounted on an outer surface of the apparatus housing, the liquid crystal display being configured to display images for millimeter wave detection.
9. The multiband millimeter wave threat detection apparatus of claim 1, further comprising a support bracket to which the apparatus housing is mounted and secured.
10. The multiband millimeter wave threat detection apparatus of claim 9, wherein a plurality of support rollers are provided at a bottom of the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013375.6U CN210982763U (en) | 2019-06-28 | 2019-06-28 | Multiband millimeter wave dangerous article detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013375.6U CN210982763U (en) | 2019-06-28 | 2019-06-28 | Multiband millimeter wave dangerous article detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210982763U true CN210982763U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921013375.6U Active CN210982763U (en) | 2019-06-28 | 2019-06-28 | Multiband millimeter wave dangerous article detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210982763U (en) |
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2019
- 2019-06-28 CN CN201921013375.6U patent/CN210982763U/en active Active
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