CN219143116U - Millimeter wave human body security check equipment capable of fast scanning - Google Patents
Millimeter wave human body security check equipment capable of fast scanning Download PDFInfo
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- CN219143116U CN219143116U CN202320197694.7U CN202320197694U CN219143116U CN 219143116 U CN219143116 U CN 219143116U CN 202320197694 U CN202320197694 U CN 202320197694U CN 219143116 U CN219143116 U CN 219143116U
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Abstract
The utility model discloses millimeter wave human body security inspection equipment capable of fast scanning, which belongs to the field of security inspection equipment and comprises a base, wherein door-shaped brackets are respectively arranged on the upper end face side of the base, the door-shaped brackets are door-shaped, top plates are jointly erected on the upper end faces of the door-shaped brackets, guide rail mechanisms are respectively arranged in the door-shaped brackets, and millimeter wave signal transmitting modules, data acquisition and image processing modules and millimeter wave signal receiving modules are respectively arranged on the two guide rail mechanisms in a sliding mode. The millimeter wave human body security inspection equipment capable of realizing quick scanning has the advantages of quick scanning, large scanning area and few scanning dead points, and solves the problems that the human body is parallel to the security inspection door during inspection in the conventional security inspection equipment, so that the scanning area of the detection modules positioned at two sides of the security inspection door to the human body is small, the security inspection has dead points, the limitation is large, the human body needs to be detected by manual searching and checking, and the detection time is long and troublesome.
Description
Technical Field
The utility model belongs to the field of security inspection equipment, and particularly relates to millimeter wave human body security inspection equipment capable of fast scanning.
Background
The millimeter wave is an electromagnetic wave with the wavelength of from 1mm to 10mm, the frequency is 30GHz to 300GHz, in practical engineering application, the low-end frequency of the millimeter wave is often reduced to 26GHz, in the electromagnetic spectrum, the millimeter wave is positioned in the wavelength range where the microwave and the far infrared wave intersect, so that the millimeter wave system has the characteristics of two wave spectrums, compared with the microwave, the millimeter wave system can obtain higher spatial resolution and higher anti-interference capability due to the characteristics that a narrow wave beam and a high gain antenna are easy to realize, and the millimeter wave system has high speed measuring sensitivity, so that the millimeter wave is widely applied to the security inspection field.
In public places with large traffic and high security level, the security screening of entering traffic needs to be realized rapidly, and the traditional human body security inspection means mainly depend on a metal detector to identify whether people to be inspected carry contraband or not, however, for novel plastic or ceramic weapons, solid explosives, liquid bombs and the like, the metal detector cannot give out judgment, so that security inspection doors based on millimeter waves are mostly used for security inspection in the places.
The millimeter wave security inspection equipment detection means in the prior art is mainly a matched security inspection mode, namely security inspection personnel are required to assist in detection, a person to be inspected is required to stand in a detection area according to a specific gesture and to inspect, and because the human body is based on parallel standing of the security inspection doors during inspection, the scanning area of the detection modules positioned on two sides of the security inspection doors to the human body is small, so that security inspection is dead spots, the limitation is large, the person to be inspected is required to search for a body and check the security inspection, the detection time is long and the security inspection is troublesome, and therefore, the millimeter wave human body security inspection equipment capable of scanning rapidly is provided to solve the problems.
Disclosure of Invention
Aiming at one or more of the defects or improvement demands of the prior art, the utility model provides millimeter wave human body security inspection equipment capable of fast scanning, and the millimeter wave human body security inspection equipment has the advantages of fast scanning, large scanning area and few scanning dead points.
In order to achieve the above purpose, the utility model provides a millimeter wave human body security inspection device capable of fast scanning, comprising a base, wherein two sides of the upper end surface of the base are respectively provided with a door-shaped bracket, the two door-shaped brackets are door-shaped, the upper end surfaces of the two door-shaped brackets are provided with a top plate in a shared mode, a group of guide rail mechanisms are arranged in the two door-shaped brackets, and a millimeter wave signal transmitting module, a data acquisition and image processing module and a millimeter wave signal receiving module are arranged on the two groups of guide rail mechanisms in a sliding mode;
the lower end face of the top plate is provided with an early warning device, and one side of the base is provided with a display panel;
a standing platform is fixedly arranged in the clamping interval of the lower end parts of the two door-shaped brackets.
As a further improvement of the utility model, the two groups of guide rail mechanisms comprise four rectangular mounting plates, the two mounting plates in the vertical direction are arranged as a group, a driving motor is arranged on the two mounting plates below, the output end of the driving motor is connected with a threaded screw rod, the upper end part of the threaded screw rod extends to be rotationally connected with the other mounting plate, a ball sliding seat is arranged on the two threaded screw rods in the same group of guide rail mechanisms in a sliding manner, a connecting block is sleeved on the outer circumferential surfaces of the two ball sliding seats, and the two connecting blocks are L-shaped and commonly clamped with a sliding block.
As a further improvement of the utility model, the millimeter wave signal transmitting module is arranged on the sliding block and comprises a plurality of groups of millimeter wave transmitting units, and the millimeter wave signal transmitting module is electrically connected with the early warning device and the display panel.
As a further improvement of the utility model, the millimeter wave signal receiving module is arranged on the sliding block and comprises a plurality of groups of millimeter wave receiving units, the receiving units in the millimeter wave signal receiving module respectively correspond to one transmitting unit, the millimeter wave signal receiving module is electrically connected with the early warning device and the display panel, a data acquisition and image processing module is arranged between the millimeter wave signal transmitting module and the millimeter wave signal receiving module, and the data acquisition and image processing module is electrically connected with the millimeter wave signal transmitting module, the millimeter wave signal receiving module, the early warning device and the display panel respectively.
As a further improvement of the utility model, the ball sliding seat is internally provided with the oil injector, two sides of the ball sliding seat are provided with the sealing shaft sleeves, the ball sliding seat is in threaded engagement with the threaded screw rod, and the connecting block is fixed with the sliding block through the bolt piece.
As a further improvement of the utility model, the standing platform is a rectangular block with a cavity, a round outlet is provided with a rotary plate in a jogged manner, a rotary motor is arranged in the cavity of the standing platform, a gravity sensor is arranged at the output end of the rotary motor, the outer circumferential surface of the gravity sensor is connected with a deep groove ball bearing part, the lower end part of the rotary plate is provided with a sleeve and is fixedly connected with the deep groove ball bearing part through the sleeve, the horizontal side of the gravity sensor is provided with a proximity switch, the upper end surface of the rotary plate is provided with two concave-groove-shaped pedal areas, an electric induction gravity chip connected with the gravity sensor is jogged in the pedal areas, the lower end part of the rotary plate is provided with a rectangular block and is vertically arranged with the proximity switch, and the proximity switch is electrically connected with the driving motor.
In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:
when the person to be detected stands in the foot pedal area, the rotating motor is powered on and the rotation cycle number and the rotation angle of the rotating motor are controlled through programming, the gravity sensor and the electric induction gravity chip are provided with a weight threshold, when the weight threshold is exceeded, the rotating motor starts to rotate through connecting the signal receiver, the rotating plate connected with the output end through the deep groove ball bearing part can rotate by 90 degrees through the control of the rotation cycle number, so that a person standing in parallel with the two gate-shaped brackets stands vertically facing the gate-shaped brackets, and the millimeter wave signal transmitting module, the millimeter wave signal receiving module and the data acquisition and image processing module in the two groups of guide rail mechanisms can scan and detect the chest and the back of the person simultaneously.
According to the millimeter wave human body security inspection equipment capable of rapidly scanning, the arranged proximity switch is connected with the driving motor, when the rotating plate is detected to rotate by 90 degrees through the proximity switch, the driving motor is controlled to rotate, the threaded screw rod is enabled to rotate, the ball sliding seat is further enabled to slide in the stroke of the threaded screw rod through the rotation of the threaded screw rod, the sliding block can reciprocate linearly in the stroke range of the threaded screw rod through the connection of the connecting block, the millimeter wave signal transmitting module, the data acquisition and image processing module and the millimeter wave signal receiving module are integrally arranged on the sliding block, the sliding block capable of moving up and down rapidly scans a human body and transmits scanning results to the data acquisition and image processing module, the millimeter wave signal transmitting module, the data acquisition and image processing module and the millimeter wave signal receiving module can be rapidly moved and security inspected on the human body through the guiding of the two groups of guide rail mechanisms, and the driving motor can be enabled to be in a waiting state when the human body is detected in an unmanned state through the arranged proximity switch, and energy consumption is saved when the human body is detected.
Drawings
FIG. 1 is a schematic view of a main body mounting structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the rail mechanism in the door-type bracket of the present utility model;
FIG. 3 is a schematic view of a split mounting structure of the guide rail mechanism of the present utility model;
FIG. 4 is a schematic view of a split mounting structure of the guide rail mechanism of the present utility model;
fig. 5 is a schematic view of the back structure of the rotating plate with the inside of the standing platform detached.
Like reference numerals denote like technical features throughout the drawings, in particular: 1. a base; 2. a door-shaped bracket; 3. a guide rail mechanism; 31. a mounting plate; 32. a driving motor; 33. a threaded screw rod; 34. a ball slide; 35. a connecting block; 36. a slide block; 4. a millimeter wave signal transmitting module; 40. the data acquisition and image processing module; 5. a millimeter wave signal receiving module; 6. a top plate; 7. an early warning device; 8. a standing platform; 81. a rotating plate; 82. a pedal area; 83. a rotating electric machine; 84. a gravity sensor; 841. an electric induction gravity chip; 85. deep groove ball bearing members; 86. a proximity switch; 9. a display panel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
1-5, a millimeter wave human body security inspection device capable of fast scanning comprises a base 1, wherein two sides of the upper end face of the base 1 are respectively provided with a door-shaped bracket 2, the two door-shaped brackets 2 are door-shaped, the upper end faces of the two door-shaped brackets are jointly provided with a top plate 6, a group of guide rail mechanisms 3 are arranged in the two door-shaped brackets 2, and a millimeter wave signal transmitting module 4, a data acquisition and image processing module 40 and a millimeter wave signal receiving module 5 are arranged on the two groups of guide rail mechanisms 3 in a sliding manner;
the lower end face of the top plate 6 is provided with an early warning device 7, and one side of the base 1 is provided with a display panel 9;
a standing platform 8 is fixedly arranged in the clamping interval of the lower end parts of the two door-shaped brackets 2.
In this embodiment, when a person to be inspected stands in the foot pedal 82, the rotating motor 83 is powered on and the rotation cycle number and rotation angle of the rotating motor 83 are controlled by programming, the gravity sensor 84 and the electric gravity sensor 841 are provided with a weight threshold, when the weight threshold is exceeded, the rotating motor 83 starts to rotate through connecting with the signal receiver, the rotating plate 81 connected with the output end through the deep groove ball bearing member 85 can rotate by 90 ° through the control of the rotation cycle number, so that the person standing parallel to the two door-shaped brackets 2 stands vertically on the door-shaped brackets 2, and due to the vertical erection of the arranged guide rail mechanisms 3 and the door-shaped brackets 2, the front and back of the human body can be scanned and detected simultaneously by the millimeter wave signal transmitting module 4, the millimeter wave signal receiving module 5 and the data acquisition and image processing module 40 in the two groups of guide rail mechanisms 3, compared with the traditional parallel quick scanning, the scanning area is large, and the dead spots existing simultaneously are less, so that the scanning accuracy and safety are enhanced; through the connection of the proximity switch 86 and the driving motor 32, after the rotating plate 81 is detected to rotate 90 degrees through the proximity switch 86, the driving motor 32 is controlled to rotate, the threaded screw rod 33 rotates, the ball sliding seat 34 is further enabled to slide in the stroke of the threaded screw rod 33 through the rotation of the threaded screw rod 33, the sliding block 36 can reciprocate linearly in the stroke range of the threaded screw rod 33 through the connection of the connecting block 35, the millimeter wave signal transmitting module 4, the data acquisition and image processing module 40 and the millimeter wave signal receiving module 5 are integrally installed on the sliding block 36, the sliding block 36 which moves up and down rapidly scans the human body and transmits scanning results into the data acquisition and image processing module 40, the two groups of guide rail mechanisms 3 are arranged to guide, the millimeter wave signal transmitting module 4, the data acquisition and image processing module 40 and the millimeter wave signal receiving module 5 can be rapidly moved and finish the security inspection of the human body, and the driving motor 32 can be in a waiting state during the unmanned detection through the proximity switch 86, so that the energy consumption during the detection is saved.
Specifically, referring to fig. 1 to 4, two sets of guide rail mechanisms 3 each include four mounting plates 31 that are rectangular, two mounting plates 31 in the vertical direction are set up as a set of, a driving motor 32 is installed on two mounting plates 31 below, a threaded screw 33 is connected and provided at the output end of the driving motor 32, the upper end of the threaded screw 33 extends to be rotationally connected with another mounting plate 31, two threaded screws 33 in the same set of guide rail mechanisms 3 are each provided with a ball slide 34 in a sliding manner, the outer circumferential surfaces of the two ball slide 34 are each provided with a connecting block 35 in a sleeved manner, and the two connecting blocks 35 are L-shaped and are commonly clamped with a slide block 36.
In this embodiment, the mounting plate 31 disposed through the mounting plate can be used to mount the driving motor 32, the driving motor 32 disposed through the mounting plate can be used to drive the screw rod 33 and rotate the screw rod 33, when the screw rod 33 disposed is rotating, the ball sliding seat 34 disposed in threaded engagement with the screw rod 33 can slide linearly, the two connecting blocks 35 mounted on the ball sliding seat 34 and the sliding block 36 mounted by the clamping of the connecting blocks 35 can slide linearly under the connection of the ball sliding seat 34, and finally the millimeter wave signal transmitting module 4, the millimeter wave signal receiving module 5 and the data acquisition and image processing module 40 are driven to perform linear movement to finish the security inspection scanning of the human body.
Specifically, referring to fig. 1 to 4, the millimeter wave signal transmitting module 4 is mounted on the slider 36, the millimeter wave signal transmitting module 4 includes a plurality of groups of millimeter wave transmitting units, and the millimeter wave signal transmitting module 4 is electrically connected with the early warning device 7 and the display panel 9.
In this embodiment, the millimeter wave signal transmitting module 4 can be used to transmit millimeter waves and cooperate with the millimeter wave signal receiving module 5 to scan human body data, and the acquired picture data is transmitted to the data acquisition and image processing module 40 for detection and is secondarily transmitted to the display panel 9 for display.
Specifically, referring to fig. 1 to 4, the millimeter wave signal receiving module 5 is mounted on the slider 36, the millimeter wave signal receiving module 5 includes a plurality of groups of millimeter wave receiving units, the receiving units in the millimeter wave signal receiving module 5 correspond to one transmitting unit respectively, the millimeter wave signal receiving module 5 is electrically connected with the early warning device 7 and the display panel 9, a data acquisition and image processing module 40 is further disposed between the millimeter wave signal transmitting module 4 and the millimeter wave signal receiving module 5, and the data acquisition and image processing module 40 is electrically connected with the millimeter wave signal transmitting module 4, the millimeter wave signal receiving module 5, the early warning device 7 and the display panel 9 respectively.
In this embodiment, the millimeter wave signal receiving module 5 through setting up can be used to cooperate millimeter wave signal transmitting module 4 to detect the human body image that detects, and millimeter wave signal transmitting module 4, millimeter wave signal receiving module 5 that set up are ripe product in the market, and data acquisition and image processing module 40 through setting up can be used to receive the data signal that detects and detect, and the data transmission after will detecting is warned to early warning ware 7.
Specifically, referring to fig. 1 to 4, an lubricator is provided in the ball slider 34, sealing sleeves are provided at both sides thereof, the ball slider 34 is screw-engaged with the screw 33, and the connection block 35 is fixed to the slider 36 by a screw member.
In this embodiment, the lubricant injector in the ball slide 34 can be used to inject lubricant to make the ball slide 34 slide on the threaded screw 33 more quickly, and the connecting block 35 can be used to replace the connecting block 35 by the installation cooperation of the connecting block 35 and the bolt of the sliding block 36 for adapting to the sliding blocks 36 with different sizes.
Specifically, referring to fig. 1 and 5, the standing platform 8 is a rectangular block with a circular outlet, a rotary plate 81 is embedded in the circular outlet, a rotary motor 83 is arranged in the cavity of the standing platform 8, a gravity sensor 84 is installed at the output end of the rotary motor 83, a deep groove ball bearing member 85 is connected and arranged on the outer circumferential surface of the gravity sensor 84, a sleeve is arranged at the lower end of the rotary plate 81 and fixedly connected with the deep groove ball bearing member 85 through the sleeve, a proximity switch 86 is arranged at the horizontal side of the gravity sensor 84, two concave-groove-shaped pedal areas 82 are arranged on the upper end face of the rotary plate 81, an electric induction gravity chip 841 connected with the gravity sensor 84 is embedded in the pedal areas 82, a rectangular block is arranged at the lower end of the rotary plate 81 and is vertically arranged with the proximity switch 86, and the proximity switch 86 is electrically connected with the driving motor 32.
In this embodiment, when the security inspection device is used by a security inspection person, the security inspection person is led to stand in the two pedal areas 82 through the security inspection person, the rotating motor 83 is enabled to start working through the connected signal receiver when the weight threshold value is exceeded by giving the weight threshold value to the gravity sensor 84, and the rotating plate 81 connected with the output end through the deep groove ball bearing member 85 is enabled to rotate by 90 ° through the control of the rotation number of the rotating motor 83 when the rotating motor 83 is enabled to work and rotate, and the rotating plate 81 can be used for detecting the rotation of the rotating plate 81 through the arranged proximity switch 86 and further controlling the start-stop states of the two groups of guide rail mechanisms 3 to finish the detection of human body.
The millimeter wave human body security check equipment capable of fast scanning comprises:
the first step: when a security inspection person uses the security inspection device, the security inspection person stands in the two pedal areas 82 through the guidance of the security inspection person, the rotating motor 83 is powered on and connected with the power supply controller and the signal receiver, the rotating circle number and the rotating angle of the rotating motor 83 are controlled through programming, the rotating motor 83 starts to work through the connected signal receiver when the weight threshold value is exceeded through giving the weight threshold value to the gravity sensor 84, and when the rotating motor 83 works and rotates, the rotating plate 81 connected with the output end through the deep groove ball bearing piece 85 rotates by 90 degrees through the control of the rotating circle number, so that a person standing parallel to the two door-shaped brackets 2 stands vertically facing the door-shaped brackets 2;
and a second step of: after a security inspection person stands vertically with the door-shaped bracket 2, through the connection of the arranged proximity switch 86 and the driving motor 32, when the driving motor 32 is powered on and controls the reciprocating rotation of the driving motor 32, when the rotating plate 81 is detected to rotate by 90 degrees, the driving motor 32 is controlled to rotate, the threaded screw 33 rotates, the ball sliding seat 34 is further enabled to slide in the stroke of the threaded screw 33 through the rotation of the threaded screw 33, the sliding block 36 can reciprocate in the stroke range of the threaded screw 33 through the connection of the connecting block 35, the millimeter wave signal transmitting module 4 and the millimeter wave signal receiving module 5 are integrally arranged on the sliding block 36, the sliding block 36 which moves up and down rapidly scans the human body and transmits the scanning result to the data acquisition and image processing module 40, when the detection result is normal, the arranged early warning device 7 does not give an alarm, when the security inspection person is detected to have abnormality, the pre-warning device 7 can perform early warning and buzzing through the transmission of an electric signal of the data acquisition and image processing module 40, the security inspection person can perform manual auxiliary detection, and the security inspection operation of the security inspection is convenient at this moment, and the security inspection is completed rapidly.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The millimeter wave human body security inspection device capable of fast scanning is characterized by comprising a base (1), wherein two sides of the upper end face of the base (1) are respectively provided with a door-shaped bracket (2), the two door-shaped brackets (2) are door-shaped, the upper end faces of the door-shaped brackets are commonly provided with a top plate (6), a group of guide rail mechanisms (3) are arranged in the two door-shaped brackets (2), and a millimeter wave signal transmitting module (4), a data acquisition and image processing module (40) and a millimeter wave signal receiving module (5) are slidably arranged on the two groups of guide rail mechanisms (3);
the lower end face of the top plate (6) is provided with an early warning device (7), and one side of the base (1) is provided with a display panel (9);
a standing platform (8) is fixedly arranged in the clamping interval of the lower end parts of the two door-shaped brackets (2).
2. The millimeter wave human body security inspection device of claim 1, wherein the two groups of guide rail mechanisms (3) comprise four mounting plates (31) which are rectangular, the two mounting plates (31) in the vertical direction are arranged in a group, a driving motor (32) is arranged on the two lower mounting plates (31), the output end of the driving motor (32) is connected with a threaded screw rod (33), the upper end of the threaded screw rod (33) extends to be rotationally connected with the other mounting plate (31), a ball sliding seat (34) is slidably arranged on the two threaded screw rods (33) in the same group of guide rail mechanisms (3), a connecting block (35) is sleeved on the outer circumferential surfaces of the two ball sliding seats (34), and the two connecting blocks (35) are L-shaped and are commonly clamped with a sliding block (36).
3. The millimeter wave human body security inspection device of claim 2, wherein the millimeter wave signal transmitting module (4) is mounted on the sliding block (36), the millimeter wave signal transmitting module (4) comprises a plurality of groups of millimeter wave transmitting units, and the millimeter wave signal transmitting module (4) is electrically connected with the early warning device (7) and the display panel (9).
4. The millimeter wave human body security inspection device of claim 3, wherein the millimeter wave signal receiving module (5) is mounted on the slider (36), the millimeter wave signal receiving module (5) comprises a plurality of groups of millimeter wave receiving units, the receiving units in the millimeter wave signal receiving module (5) respectively correspond to one transmitting unit, the millimeter wave signal receiving module (5) is electrically connected with the precaution device (7) and the display panel (9), a data acquisition and image processing module (40) is further arranged between the millimeter wave signal transmitting module (4) and the millimeter wave signal receiving module (5), and the data acquisition and image processing module (40) is electrically connected with the millimeter wave signal transmitting module (4), the millimeter wave signal receiving module (5), the precaution device (7) and the display panel (9) respectively.
5. The millimeter wave human body security inspection device for rapid scanning according to claim 4, wherein an oil injector is arranged in the ball sliding seat (34) and sealing shaft sleeves are arranged on two sides of the ball sliding seat, the ball sliding seat (34) is in threaded engagement with the threaded screw rod (33), and the connecting block (35) is fixed with the sliding block (36) through a bolt piece.
6. The rapid-scanning millimeter wave human body security inspection device according to claim 2, wherein the standing platform (8) is a rectangular cavity block and is provided with a circular outlet, a rotary plate (81) is embedded in the circular outlet, a rotary motor (83) is arranged in the cavity of the standing platform (8), a gravity sensor (84) is arranged at the output end of the rotary motor (83), a deep groove ball bearing piece (85) is connected with the outer circumferential surface of the gravity sensor (84), the lower end part of the rotary plate (81) is provided with a sleeve and is fixedly connected with the deep groove ball bearing piece (85) through the sleeve, a proximity switch (86) is arranged on the horizontal side of the gravity sensor (84), two concave-groove-shaped foot pedal areas (82) are arranged on the upper end face of the rotary plate (81), an electric induction gravity chip (841) connected with the gravity sensor (84) is embedded in the foot pedal areas (82), the lower end part of the rotary plate (81) is provided with a rectangular block and is vertically arranged with the proximity switch (86), and the proximity switch (86) is electrically driven to be connected with the electric motor (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320197694.7U CN219143116U (en) | 2023-02-13 | 2023-02-13 | Millimeter wave human body security check equipment capable of fast scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320197694.7U CN219143116U (en) | 2023-02-13 | 2023-02-13 | Millimeter wave human body security check equipment capable of fast scanning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219143116U true CN219143116U (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320197694.7U Active CN219143116U (en) | 2023-02-13 | 2023-02-13 | Millimeter wave human body security check equipment capable of fast scanning |
Country Status (1)
| Country | Link |
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| CN (1) | CN219143116U (en) |
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2023
- 2023-02-13 CN CN202320197694.7U patent/CN219143116U/en active Active
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