CN110626745B - Method and equipment for adjusting over-package detection speed and security inspection machine - Google Patents
Method and equipment for adjusting over-package detection speed and security inspection machine Download PDFInfo
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- CN110626745B CN110626745B CN201910768779.4A CN201910768779A CN110626745B CN 110626745 B CN110626745 B CN 110626745B CN 201910768779 A CN201910768779 A CN 201910768779A CN 110626745 B CN110626745 B CN 110626745B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
- B65G2203/0291—Speed of the load carrier
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Abstract
The invention provides a method and equipment for adjusting the speed of packet passing detection and a security check machine, wherein a first detection signal of a first signal detection area of the security check machine is acquired, when detecting that the wrapped object is located in the first signal detection area, setting the transmission speed of a transmission device of the wrapped object in the first signal detection area as a first speed, acquiring a second detection signal of a second signal detection area of the security inspection machine, setting the transmission speed of the transmission device of the coated object in the second signal detection area as a second speed when the coated object is detected to be in the second signal detection area, the package passing object is arranged on the transmission device, the first speed is higher than the second speed, the problem that a security inspection machine applied to the market is low in security inspection package passing speed is solved, and the package passing speed of security inspection is improved.
Description
Technical Field
The application relates to the technical field of security inspection, in particular to a method and equipment for adjusting packet inspection speed and a security inspection machine.
Background
The security inspection machine in the security industry is widely applied to logistics industry, airports, railway stations, subway stations, industrial detection and the like, and is electronic equipment for conveying wrapped objects into an X-ray inspection channel on the security inspection machine for inspection by means of a conveyor belt on the security inspection machine. The conveyer belt on the security check machine is drawn through the cylinder motor on the security check machine, after the article placed on the conveyer belt gets into X ray inspection passageway, will trigger article detection sensor and generate image detection signal, this image detection signal instructs X ray bundle detector to detect and form images the article on the conveyer belt, at this testing process, the speed that the cylinder motor on the security check machine draws the conveyer belt is unchangeable, whether there is dangerous goods because artifical or machine will real-time detection article, this conveyer belt transmission article speed is slow, work efficiency is low.
Aiming at the problem that the security inspection and package passing speed of the applied security inspection machine is not high in the related technology, an effective solution is not provided at present.
Disclosure of Invention
The invention provides a method and equipment for adjusting the package passing detection speed and a security inspection machine, aiming at the problem that the security inspection machine applied in the current market in the related art has low package passing speed in the security inspection, and at least solves the problem.
According to one aspect of the invention, there is provided a method of over-packet detection speed adjustment, the method comprising:
acquiring a first detection signal, wherein the first detection signal is acquired by a first signal detection area of the security inspection machine and is used for indicating whether the wrapped object is located in the first signal detection area;
the security inspection machine sets the transmission speed of a transmission device in the first signal detection area to be a first speed under the condition that the over-coated object is in the first signal detection area, wherein the over-coated object is on the transmission device;
acquiring a second detection signal, wherein the second detection signal is acquired by a second signal detection area of the security inspection machine and is used for indicating whether the wrapped object is located in the second signal detection area;
and under the condition that the wrapped object is in a second signal detection area of the security inspection machine, the security inspection machine sets the transmission speed of the transmission device in the second signal detection area to be a second speed, wherein the first speed is higher than the second speed when the wrapped object is on the transmission device.
Acquiring a third detection signal under the condition that the wrapped object passes through the first detection area and the second detection area of the security inspection machine, wherein the third detection signal is acquired by the third signal detection area of the security inspection machine and is used for indicating whether the wrapped object is located in the third signal detection area;
and under the condition that the objects to be wrapped are in a third signal detection area of the security inspection machine, the security inspection machine sets the transmission speed of the transmission device in the third signal detection area to be a third speed, wherein the third speed is higher than or equal to the second speed when the objects to be wrapped are on the transmission device.
And under the condition that the wrapped object is not in the signal detection area of the security inspection machine, the security inspection machine sets the transmission device to be in a stop operation state.
According to another aspect of the invention, the equipment for adjusting the detection speed of the wrapped object of the security inspection machine comprises a control module, a transmission device and a signal detection module;
the signal detection module acquires a first detection signal of a first signal detection area, the first detection signal indicates whether the wrapped object is located in the first signal detection area, and the signal detection module sends the first detection signal to the control module;
the control module sets the transmission speed of the transmission device in the first signal detection area to be a first speed under the condition that the over-coated object is in the first signal detection area, wherein the over-coated object is on the transmission device;
the signal detection module acquires a second detection signal of a second signal detection area, the second detection signal indicates whether the wrapped object is located in the second signal detection area, and the signal detection module sends the first detection signal to the control module;
when the objects to be wrapped are in a second signal detection area of the security inspection machine, the control module sets the transmission speed of the transmission device in the second signal detection area to be a second speed, wherein the first speed is higher than the second speed when the objects to be wrapped are on the transmission device.
Further, the signal detection module comprises an infrared detection device for detecting whether the security check machine has the over-wrapped objects, and the signal detection module mainly comprises an infrared transmitting tube and an infrared receiving tube which are respectively positioned on two straight lines on two sides of the box body in the security check machine.
According to another aspect of the invention, a security inspection machine is provided, which comprises a control module, a transmission device and a signal detection module;
the signal detection module acquires a first detection signal of a first signal detection area, the first detection signal indicates whether the wrapped object is located in the first signal detection area, and the signal detection module sends the first detection signal to the control module;
the control module sets the transmission speed of the transmission device in the first signal detection area to be a first speed under the condition that the over-coated object is in the first signal detection area, wherein the over-coated object is on the transmission device;
the signal detection module acquires a second detection signal of a second signal detection area, the second detection signal indicates whether the wrapped object is located in the second signal detection area, and the signal detection module sends the first detection signal to the control module;
when the objects to be wrapped are in a second signal detection area of the security inspection machine, the control module sets the transmission speed of the transmission device in the second signal detection area to be a second speed, wherein the first speed is higher than the second speed when the objects to be wrapped are on the transmission device.
And under the condition that the signal detection area of the security inspection machine does not detect the wrapped object, the security inspection machine sets the transmission device to be in a stop operation state.
According to the invention, a method for adjusting the over-packet detection speed is adopted to obtain a first detection signal of a first signal detection area of the security inspection machine, when the over-packet object is detected to be positioned in the first signal detection area, the transmission speed of the transmission device is set to be a first speed, a second detection signal of a second signal detection area of the security inspection machine is obtained, and when the over-packet object is detected to be positioned in the second signal detection area, the transmission speed of the transmission device is set to be a second speed, wherein the first speed is higher than the second speed on the transmission device, so that the problem of low security inspection over-packet speed of the security inspection machine applied in the market is solved, and the over-packet speed of the security inspection is improved.
Drawings
FIG. 1 is a block diagram of a first embodiment of an apparatus for packet-passing detection speed adjustment;
FIG. 2 is a block diagram II of a security inspection machine according to an embodiment of the present invention;
FIG. 3 is a first schematic structural diagram of a security inspection machine according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram II of a security inspection machine according to an embodiment of the invention;
FIG. 5 is a schematic structural diagram III of a security inspection machine according to an embodiment of the invention;
FIG. 6 is a fourth schematic structural view of a security inspection machine according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a security inspection machine according to an embodiment of the invention;
fig. 8 is a flow chart of a method of over-packet detection speed adjustment according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In this embodiment, an apparatus for adjusting a packet passing detection speed of a security inspection machine is provided, and fig. 1 is a first structural block diagram of an apparatus for adjusting a packet passing detection speed according to an embodiment of the present invention, as shown in fig. 1, the apparatus includes: comprises a control module 11, a transmission device 12 and a signal detection module 13;
the signal detection module 11 obtains a first detection signal of a first signal detection area, the first detection signal indicates whether the article covered by the package is located in the first signal detection area, and the signal detection module 11 sends the first detection signal to the control module 13;
in the case where the article is located in the first signal detection region, the control module 11 sets the transmission speed of the transmission device 12 to a first speed, wherein the article is on the transmission device 12;
the signal detection module 11 obtains a first detection signal of a first signal detection area, the first detection signal indicates whether the article covered by the package is located in the first signal detection area, and the signal detection module 11 sends the first detection signal to the control module 13;
in the event that the overmolded article is within the security machine second signal detection zone, the control module 11 sets the transport speed of the transport device 12 to a second speed, wherein the overmolded article is on the transport device 12, the first speed being greater than the second speed.
Through the equipment, the average speed of the first speed and the second speed is greater than the speed of the existing security inspection machine for detecting the wrapped objects, so that the following beneficial effects are achieved: the security inspection machine can display accurate images on the objects passing through the package, the image detection quality is not affected, meanwhile, the speed of package passing detection of the security inspection machine can be adjusted, and the requirements for improving the security inspection speed and the personnel passing speed or the working efficiency are met practically.
In this embodiment, the transport device 12 may be a belt conveyor that is pulled by a drum motor. The speed of the drum motor is regulated under the condition that the objects to be wrapped are conveyed to different signal detection areas, and the belt conveyor belt can be set to different speeds. In the case where no bag-covered article is detected on the signal detection area of the transport device 12, the transport device 12 is set to a stop state.
In another embodiment, the transport device 12 may be a roller conveyor belt, the transport mechanisms of which at the first and second detection zones are controlled separately, the transport mechanism of the transport device 12 being adjustable to different speeds. In the case where no bag-covered article is detected in the signal detection area of the transport device 12, each transport mechanism of the transport device 12 is set to a stop state.
In this embodiment, the apparatus may further include a third detection area, and when the article passing through the first detection area and the second detection area of the security inspection machine, a third detection signal of the third signal detection area of the security inspection machine is obtained, where the third detection signal indicates whether the article passing through the third signal detection area is located in the third signal detection area, and the third signal detection area is located behind the first signal detection area and the second signal detection area; in the case where the over-wrapped object is in a third signal detection area of the security inspection machine, the security inspection machine sets the transmission speed of the transmission device 12 of the third signal detection area to a third speed, wherein the over-wrapped object is on the transmission device 12; when the object to be wrapped is subjected to image imaging detection through the second signal detection area, the transmission speed is slow, so that the detected image is clear and accurate, and after the object to be wrapped is subjected to image imaging detection, the transmission speed can be increased, therefore, the third speed of the security inspection machine is greater than or equal to the second speed, and the effects of adjusting the wrapping detection speed of the security inspection machine and improving the working efficiency can be achieved.
In this embodiment, when the signal detection area of the device does not detect the article to be wrapped, the control module 11 sets the transmission device 12 to a stop state, so as to achieve the purpose of power saving.
The device can be applied to instruments or related scenes such as logistics or other security inspection machines, assembly line product quality detection and the like.
Fig. 2 is a block diagram of a security inspection machine according to an embodiment of the present invention, and as shown in fig. 2, the security inspection machine 20 further includes an image forming device 21;
the image imaging device 21 is used for detecting and imaging the wrapped object, and may include a detector, an X-ray source and a collimator, the detector is arranged into an L-shaped array, the L-shaped array is aligned with an X-ray beam output by the X-ray source through the collimator, when the wrapped object passes through the X-ray beam at a constant speed, the wrapped object is sampled line by the detector, and finally, a complete wrapped object is formed by image splicing. The image-forming device 21 of the security check machine 20 is located in a tunnel having dimensions 1000 (length) 1200 (width) 800 (height) (mm).
In this embodiment, the signal detection module 13 may be an infrared detection device, and fig. 3 is a schematic structural diagram of a security inspection machine for adjusting a packet-passing detection speed according to an embodiment of the present invention;
the infrared detection device is used for detecting whether the signal detection areas of the security check machine 20 are covered by objects, mainly comprises infrared transmitting and receiving tubes, and is respectively positioned on two straight lines on two sides of a box body in the security check machine 20. When the object is not wrapped, the infrared receiving tube can normally receive the infrared light of the infrared transmitting tube, and a detection signal is output to be a high level; when the wrapped object enters the box body of the security inspection machine 20, infrared light emitted by the infrared emission tube can be shielded, so that the infrared receiving tube cannot receive infrared light, and a detection signal is output and converted from a high level to a low level;
the area to which the infrared pair tube 0 of the infrared detection device belongs is a first signal detection area, the area to which the infrared pair tube 1 of the security inspection machine 20 belongs to the middle of the infrared pair tube 2 is a second signal detection area, the area to which the infrared pair tube 2 of the security inspection machine 20 belongs is a third signal detection area, and the infrared pair tube 3 of the security inspection machine 20 is used for detecting whether the wrapped object leaves the transmission device 12 or not.
In another embodiment, the signal detection module 13 is a pressure sensor detection device, and fig. 4 is a schematic structural diagram of a security inspection machine for adjusting the packet-passing detection speed according to an embodiment of the present invention;
the pressure sensor detection device is used for detecting whether the security inspection machine 20 has the over-wrapped objects, and mainly comprises a pressure sensitive element and a signal processing unit, wherein the pressure sensor detection device is arranged on a straight line of a box body in the security inspection machine along the direction of a conveyor belt;
the area to which the pressure sensor 0 of the security inspection machine 20 belongs is a first signal detection area, the area to which the pressure sensor 1 of the security inspection machine 20 belongs to the middle of the pressure sensor 2 is a second signal detection area, the area to which the pressure sensor 2 of the security inspection machine 20 belongs is a third signal detection area, and the pressure sensor 3 of the security inspection machine 20 is used for detecting whether the wrapped object leaves the conveying device 12.
In another embodiment, the signal detection module 13 is a proximity switch detection device, and fig. 5 is a schematic structural diagram three of a security inspection machine for adjusting packet-passing detection speed according to an embodiment of the present invention;
the proximity switch detection device is used for detecting whether the security inspection machine 20 has the over-wrapped objects or not, and the proximity switch detection device is arranged on a straight line of the box body inside the security inspection machine 20 along the direction of the conveyor belt. When the article to be wrapped approaches the sensing surface of the proximity switch detection device, the switch can be actuated, so that a control instruction is provided for the control module 11;
the area to which the proximity switch 0 of the security inspection machine 20 belongs is a first signal detection area, the area to which the proximity switch 1 of the security inspection machine 20 belongs to the middle of the proximity switch 2 of the security inspection machine 20 belongs is a second signal detection area, the area to which the proximity switch 2 of the security inspection machine 20 belongs is a third signal detection area, and the proximity switch 3 of the security inspection machine 20 is used for detecting whether the wrapped object leaves the conveying device 12 or not.
In another embodiment, the signal detection module 13 is a transmission time laser distance sensor, and fig. 6 is a schematic structural diagram of a security inspection machine with over-packet detection speed adjustment according to an embodiment of the present invention;
the transit time laser distance sensor mainly comprises a laser diode, an avalanche photodiode and a sensor receiver for detecting a signal detection area of the coated object on the transmission device 12. The transmission time laser distance sensor is arranged at the front side of the inner box of the security inspection machine 20, and the distance between the wrapped object and the sensor is measured, so that the signal detection area of the wrapped object is judged;
when the transmission time laser distance sensor detects that the distance between the wrapped object and the sensor detection device is less than 1100mm, the wrapped object is located in a first signal detection area of the security inspection machine 20; when the sensor detection device detects that the distance between the wrapped object and the sensor detection device is greater than or equal to 1100mm and less than 2100mm, the wrapped object is located in a second signal detection area of the security inspection machine 20; when the sensor detection device detects that the distance between the wrapped object and the sensor detection device is greater than or equal to 2100mm and less than or equal to 3200mm, the wrapped object is located in the third signal detection area of the security inspection machine 20.
In another embodiment, the signal detection module 13 is an ultrasonic ranging sensor detection device, and fig. 7 is a schematic structural diagram of a security inspection machine with over-packet detection speed adjustment according to an embodiment of the present invention;
the ultrasonic distance measuring sensor mainly comprises an ultrasonic transmitter and an ultrasonic receiver, and is used for detecting a signal detection area of the coated object on the transmission device 12. The transmission time laser distance sensor is arranged at the front side of the inner box of the security inspection machine, and the distance between the wrapped object and the sensor is measured, so that the signal detection area of the wrapped object is judged.
When the distance between the wrapped object and the sensor detection device is smaller than 1100mm, the wrapped object is located in a first signal detection area of the security inspection machine 20; when the sensor detection device detects that the distance between the wrapped object and the sensor detection device is greater than or equal to 1100mm and less than 2100mm, the wrapped object is located in a second signal detection area of the security inspection machine 20; when the sensor detection device detects that the distance between the wrapped object and the sensor detection device is greater than or equal to 2100mm and less than or equal to 3200mm, the wrapped object is located in the third signal detection area of the security inspection machine 20.
Under the condition that the signal detection module 13 is a transmission time laser distance sensor or an ultrasonic distance measuring sensor, the security inspection machine is mainly applied to logistics security inspection machines or related scenes such as quality detection of products on a production line and the like, and is used for detecting a series of individually packaged objects passing through the security inspection machine 20.
In this embodiment, a method for adjusting a speed of over packet detection is provided, and fig. 8 is a flowchart of a method for adjusting a speed of over packet detection according to an embodiment of the present invention, as shown in fig. 8, the method includes the following steps:
in step S801, when the security inspection machine 20 does not detect a wrapped object in the signal detection area, the security inspection machine sets the transport device 12 to a stop state.
Step S802, obtaining a first detection signal of a first signal detection area of the security inspection machine 20, where the first detection signal indicates whether the wrapped object is located in the first signal detection area;
in the case where the coated article is in the first signal detection area, the security check machine 20 sets the transmission speed of the transmission device 12 of the first signal detection area to a first speed, where the coated article is on the transmission device 12;
step S803, a second detection signal of a second signal detection area of the security inspection machine 20 is obtained, where the second detection signal indicates whether the article to be wrapped is located in the second signal detection area;
in the event that the overmolded article is within a second signal detection zone of the security inspection machine 20, the security inspection machine 20 sets the transport speed of the transport device 12 of the second signal detection zone to a second speed, wherein the overmolded article is on the transport device 12, the first speed being greater than the second speed.
Further, the second speed is set to a constant speed of 0.2 m/s.
Step S804, acquiring a third detection signal of a third signal detection area when the wrapped object passes through the first detection area and the second detection area of the security inspection machine 20, where the third detection signal indicates whether the wrapped object is located in the third signal detection area, and the third signal detection area is located behind the first signal detection area and the second signal detection area;
in the case where the over-wrapped object is in a third signal detection area of the security inspection machine 20, the security inspection machine 20 sets the transmission speed of the transmission device 12 in the third signal detection area to a third speed, wherein the third speed is greater than or equal to the second speed when the over-wrapped object is on the transmission device 12.
Through the above steps, by obtaining the first detection signal of the first signal detection area of the security inspection machine 20, when detecting that the article covered by the package is located in the first signal detection area, the transmission speed of the transmission device 12 of the article covered by the package in the first signal detection area is set to the first speed, the second detection signal of the second signal detection area of the security inspection machine 20 is obtained, and when detecting that the article covered by the package is located in the second signal detection area, the transmission speed of the transmission device 12 of the article covered by the package in the second signal detection area is set to the second speed, wherein the article covered by the package is on the transmission device 12, and the first speed is greater than the second speed.
In another embodiment, a software is provided, which is used to execute the technical solutions described in the above embodiments and the preferred embodiments.
In another embodiment, a storage medium is provided, wherein the software is stored in the storage medium, and the storage medium includes, but is not limited to, an optical disc, a floppy disc, a hard disc, a rewritable memory, and the like.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A method of over-packet detection speed adjustment, the method comprising:
acquiring a first detection signal, wherein the first detection signal is acquired by a first signal detection area of a security inspection machine and is used for indicating whether a wrapped object is located in the first signal detection area;
the security inspection machine sets the transmission speed of a transmission device of the first signal detection area to a first speed when the over-coated object is in the first signal detection area, wherein the over-coated object is on the transmission device;
acquiring a second detection signal, wherein the second detection signal is acquired by a second signal detection area of the security inspection machine and is used for indicating whether the wrapped object is located in the second signal detection area;
the security inspection machine sets the transmission speed of a transmission device of the second signal detection area to be a second speed under the condition that the over-coated object is in the second signal detection area, wherein the over-coated object is on the transmission device, and the first speed is higher than the second speed;
acquiring a third detection signal when the wrapped object passes through the first detection area and the second detection area of the security inspection machine, wherein the third detection signal is acquired by a third signal detection area of the security inspection machine and is used for indicating whether the wrapped object is located in the third signal detection area, and the third signal detection area is located behind the first signal detection area and the second signal detection area;
and under the condition that the objects to be wrapped are in a third signal detection area of the security inspection machine, the security inspection machine sets the transmission speed of a transmission device in the third signal detection area to be a third speed, wherein the objects to be wrapped are on the transmission device, and the third speed is greater than or equal to the second speed.
2. The method of claim 1, further comprising:
and under the condition that the first signal detection area and the second signal detection area of the security inspection machine do not detect the wrapped object, the security inspection machine sets the transmission device to be in a stop operation state.
3. The method according to any one of claims 1 to 2, further comprising:
the first signal detection area of the security inspection machine is located at the starting end of the transmission device, and the second signal detection area is located in the area where the image imaging device of the security inspection machine is located.
4. The equipment for adjusting the over-packet detection speed is characterized by comprising a control module, a transmission device and a signal detection module;
the signal detection module acquires a first detection signal of a first signal detection area, the first detection signal indicates whether the wrapped object is located in the first signal detection area, and the signal detection module transmits the first detection signal to the control module;
the control module sets a transport speed of the transport device of the first signal detection area to a first speed with the overmolded article in the first signal detection area, wherein the overmolded article is on the transport device;
the signal detection module acquires a second detection signal of a second signal detection area, the second detection signal indicates whether the wrapped object is located in the second signal detection area, and the signal detection module transmits the second detection signal to the control module;
the control module sets a transport speed of the transport device of the second signal detection zone to a second speed with the overmolded article in the second signal detection zone, wherein the overmolded article is on the transport device, the first speed is greater than the second speed.
5. The apparatus of claim 4, further comprising:
the signal detection module sets the transmission device to be in a stop operation state under the condition that the first signal detection area and the second signal detection area do not detect the objects passing through the bag.
6. Apparatus according to claim 4 or 5, wherein the signal detection module comprises infrared detection means for determining whether the signal detection zone of the transmission means has a bag passing item.
7. The apparatus according to claim 4 or 5, wherein the signal detection module comprises a transit time laser distance sensor for detecting a signal detection area of the article on the transport device.
8. A security inspection machine is characterized by comprising a control module, a transmission device and a signal detection module;
the signal detection module acquires a first detection signal of a first signal detection area, the first detection signal indicates whether the wrapped object is located in the first signal detection area, and the signal detection module sends the first detection signal to the control module;
the control module sets a transport speed of the transport device of the first signal detection area to a first speed with the overmolded article in the first signal detection area, wherein the overmolded article is on the transport device;
the signal detection module acquires a second detection signal of a second signal detection area, the second detection signal indicates whether the wrapped object is located in the second signal detection area, and the signal detection module sends the second detection signal to the control module;
and under the condition that the objects to be wrapped are in a second signal detection area of the security inspection machine, the control module sets the transmission speed of a transmission device in the second signal detection area to be a second speed, wherein the objects to be wrapped are on the transmission device, and the first speed is higher than the second speed.
9. A security inspection machine according to claim 8, further comprising an image imaging device;
the first signal detection area is located at the starting end of the transmission device, the second signal detection area is located in the area where the image imaging device is located, and the image imaging device is used for imaging the wrapped object.
Priority Applications (1)
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| CN117147591B (en) * | 2023-08-17 | 2024-06-11 | 同方威视技术股份有限公司 | Detection device and detection method for object detection |
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