WO2018095104A1 - 用于检查通道的扫描检测系统 - Google Patents
用于检查通道的扫描检测系统 Download PDFInfo
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- WO2018095104A1 WO2018095104A1 PCT/CN2017/099964 CN2017099964W WO2018095104A1 WO 2018095104 A1 WO2018095104 A1 WO 2018095104A1 CN 2017099964 W CN2017099964 W CN 2017099964W WO 2018095104 A1 WO2018095104 A1 WO 2018095104A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- the present invention relates to the field of scanning detection technology, and in particular to a scanning detection system for an inspection channel.
- high-energy radiation is used to perform radiation scanning inspections of vehicles in the inspection channel.
- a pair of light curtains are usually installed at the entrance and exit respectively, and when the personnel enters the inspection channel, the light curtain is triggered to give an alarm prompt.
- the present invention provides a scanning detection system for an inspection channel, which can effectively distinguish persons and vehicles entering the inspection channel at the same time, improve the accuracy of personnel detection, and ensure the safety of personnel.
- a scan detection system for an inspection channel comprising: at least two first entrance and exit scan detection devices respectively disposed on two sides of an entrance or an exit of the inspection channel, including: disposed on different sides a first scan detecting device and a second scan detecting device; the laser scanning detecting surface of the first scanning detecting device and the second scanning detecting device is perpendicular to a center line of the inspection channel or is a first preset with a plane perpendicular to the center line An angle is included; and the control device is connected to the at least two first entrance/exit scanning detecting devices for determining whether a person enters the inspection channel according to the scanning result of the first scanning detecting device and the second scanning detecting device.
- the laser scanning detection surfaces of the first scanning detecting device and the second scanning detecting device are each divided into a plurality of detecting regions, and the detecting regions of the first scanning detecting device and the detecting of the second scanning detecting device The area is partially overlapped; the control device determines whether a person enters the inspection channel according to the scanning result of the first scanning detecting device and the second scanning detecting device in different detection areas.
- the detection area of the first scan detecting device includes: a first detection area, a second detection area, and a third detection area, wherein the first detection area is closest to the first scan detection device, and the second detection area The first detection area is included, and the third detection area includes a second detection area; the detection area of the second scan detection device includes: a fourth inspection The measurement area, the fifth detection area, and the sixth detection area, wherein the sixth detection area is closest to the second scan detection device, the fifth detection area includes a sixth detection area, and the fourth detection area includes a fifth detection area.
- the control device determines that a person enters the inspection channel from the first detection area and/or the sixth detection area; when the object is scanned only in the first detection area, the second detection area, and the third detection area, the control device determines that The person enters the inspection channel from the first detection area; when only the second detection area and the third detection area scan the object, the control device determines that a person enters the inspection channel from the second detection area; when only in the second detection area, When the three detection areas and the fourth detection area scan the object, the control device determines that a person enters the inspection channel from the overlapping area of the second detection area and the fourth detection area; when the object is scanned only in the third detection area and the fourth detection area When the control device determines that there is a person from the overlapping area of the third detection area
- the control device determines that the width of the object entering the inspection channel is less than a predetermined width range according to the scanning result of the first scanning detecting device and/or the second scanning detecting device, the control device determines that there is a person Enter the inspection channel.
- the control device determines that the length of the object entering the inspection channel is less than a predetermined length threshold according to the scan result of the first scan detecting device and/or the second scan detecting device, the control device determines that there is a person Enter the inspection channel.
- control means determines the length of the object based on the duration of the scan result of the first scan detecting means and/or the second scan detecting means, and the traveling speed of the object.
- the first scan detecting device and the second scan detecting device are disposed on different planes perpendicular to the center line; or the first scan detecting device and the second scan detecting device are disposed perpendicular to the center line On the same plane, and the laser scanning detection surface of the first scanning detecting device and the second scanning detecting device is at a first predetermined angle different from the plane perpendicular to the center line.
- the first scan detecting device and the second scan detecting device are both area laser scanners.
- the system further includes: at least two second entrance and exit scanning detecting devices respectively disposed on both sides of the entrance or the exit of the inspection channel, including: a third scanning detecting device disposed on different sides and a fourth scanning detecting device; the laser scanning detecting surface of the third scanning detecting device and the fourth scanning detecting device is perpendicular to a center line of the inspection channel or at a second predetermined angle with a plane perpendicular to the center line; wherein the control device Connected to at least two second entrance and exit scanning detecting devices, and further configured to determine whether a person enters the inspection channel according to the scanning result of the third scanning detecting device and the fourth scanning detecting device; and when at least two first inlet and outlet scanning detecting devices are disposed at When inspecting the entrance of the passage, at least two second inlet and outlet scanning detection devices are disposed at the outlet of the inspection passage; and at least two first inlet and outlet scanning detection devices When disposed at the exit of the inspection channel, at least two second inlet and outlet
- the system further comprises: at least one channel scanning detecting device connected to the control device; the laser scanning detecting surface of the at least one channel scanning detecting device is parallel to the bottom surface of the inspection channel, or the bottom of the inspection channel The surface is formed into a third preset angle; the control device is further configured to determine whether there is a person in the inspection channel according to the scan result of the at least one channel scanning detecting device.
- the scanning detection system for inspecting a channel of the present invention an effective distinction between a person and a vehicle can be realized, and at the same time, a situation in which a person passes through the side of the vehicle at the same time can be detected, which greatly improves the accuracy of the detection of the entrance and exit personnel of the inspection channel. This ensures the safety of personnel.
- FIG. 1 is a block diagram of a scan detection system for inspecting a channel, according to an exemplary embodiment.
- FIG. 2 is a schematic view showing the installation of a first entrance/exit scanning detecting device according to an exemplary embodiment.
- FIG. 3 is a schematic diagram of a laser scanning detection surface of a first scan detecting device/second scan detecting device, according to an exemplary embodiment.
- FIG. 4 is a schematic diagram of a detection area division of a first scan detecting device and a second scan detecting device, according to an exemplary embodiment.
- FIG. 5 is a block diagram of another scan detection system for an inspection channel, according to an exemplary embodiment.
- FIG. 6 is a block diagram of still another scan detection system for inspecting a channel, according to an exemplary embodiment.
- the scan detection system 10 includes at least two first entrance/exit scan detecting devices 102 and a control device 104.
- the first entrance/exit scan detecting device 102 may be disposed at both sides of the entrance or exit of the inspection channel.
- 2 is a schematic view showing the installation of a first entrance/exit scan detecting device according to an exemplary embodiment, in which the first entrance/exit scan detecting device 102 is installed as an entrance of an inspection channel, but it is merely an example, instead Limit the invention.
- the first entrance/exit scan detecting device 102 may also be disposed at an exit of the inspection channel.
- two first entrance/exit scan detecting devices 102 are installed as an example, but the present invention is not limited thereto, and a plurality of first entrance/exit scan detecting devices 102 may be provided, which are respectively set. Check the sides of the entrance or exit of the channel.
- the first entrance/exit scanning detecting means 102 includes first scanning detecting means 1022 and second scanning detecting means 1024 which are disposed on different sides.
- the first scan detecting device 1022 and the second scan detecting device 1024 are respectively mounted above the both side walls of the inspection channel L.
- the laser scanning detecting surfaces S1 and S2 of the first scanning detecting device 1022 and the second scanning detecting device 1024 may be perpendicular to the center line A of the detecting channel L as shown in FIG. 2, or the laser scanning detecting surfaces S1 and S2 may also be as shown in the figure. 3 shows a predetermined angle ⁇ with a plane S0 perpendicular to the center line A.
- the first scan detecting device 1022 and the second scan detecting device 1024 may be, for example, a regional laser scanner, for example, a regional laser scanner of the type TiM351 provided by SICK, Germany.
- the regional laser scanner emits a laser beam according to a set sampling angle frequency, a detection angle, and a sampling period, and each column of laser beams includes a plurality of sampling lines.
- the laser beam forms a laser scanning sector that scans objects that have passed through the laser scanning sector.
- the first scan detecting device 1022 and the second scan detecting device 1024 may also be other sensors having a laser scanning function, and the invention is not limited thereto.
- the first scan detecting device 1022 and the second scan detecting device 1024 may be disposed on different planes perpendicular to the center line of the inspection channel such that their respective laser scanning detecting faces are not in the same plane.
- the first scan detecting device 1022 and the second scan detecting device 1024 may be disposed on the same plane perpendicular to the center line of the inspection channel, but the laser scanning detection by the first scanning detecting device 1022 and the second scanning detecting device 1024 The angle between the face and the plane is different, so that the laser scanning detection faces emitted by the respective faces are not in the same plane.
- the control device 104 is connected to the first entrance/exit scan detecting device 102 for determining whether or not a person has entered the inspection channel L based on the scan result of the first entrance/exit scan detecting device 102.
- control device 104 may divide the plurality of detection regions for the first scan detecting device 1022 and the second scan detecting device 1024 according to the laser scanning detecting surfaces of the first scanning detecting device 1022 and the second scanning detecting device 1024, respectively, and first The scan detecting device 1022 partially overlaps the detection area of the second scan detecting device 1024.
- the control device 104 can determine whether a person enters the inspection channel L according to the scanning result of the first scanning detecting device 1022 and the second scanning detecting device 1024 in different detection areas.
- FIG. 4 is a schematic diagram of a detection area division of a first scan detecting device and a second scan detecting device, according to an exemplary embodiment.
- the first scan detecting device 1022 and the second scan detecting device 1024 are respectively divided into three detection regions, but the present invention is not limited thereto.
- the detection area of the first scan detecting device 1022 includes a first detection area Z1, a second detection area Z2, and a third detection area Z3.
- the first detection area Z1 is closest to the first scan detection device 1022
- the second detection area Z2 includes the first detection area Z1
- the third detection area Z3 includes the second detection area Z2.
- the detection area of the second scan detecting device 1024 includes a fourth detection area Z4, a fifth detection area Z5, and a sixth detection area Z6.
- the sixth detection area Z6 is closest to the second scanning detection device 1024, the fifth detection area Z5 includes a sixth detection area Z6, and the fourth detection area Z4 includes a fifth detection area Z5.
- FIG. 4 shows a schematic diagram in which the detection areas of the first scan detecting device 1022 and the second scan detecting device 1024 coincide.
- the first scan detecting device 1022 and the second scan detecting device 1024 are disposed on the same plane perpendicular to the center line A of the inspection channel L, but as described above, in order to avoid interference, the first scan detecting device 1022 and The second scan detecting device 1024 can also be disposed on different planes perpendicular to the center line A of the inspection channel L.
- control device 104 can determine whether or not a person enters the inspection passage L according to the following cases.
- the control is performed.
- the device 104 can determine that the object is a vehicle to be inspected based on the scan result.
- the first scan detecting device 1022 and the second scan detecting device 1024 scan the object for a certain period of time, that is, the first scan detecting device 1022 and the second scan detecting device 1024.
- the laser beam is blocked for a certain period of time, so the minimum occlusion time can be calculated based on the vehicle's travel speed, vehicle length and other information.
- the control device 104 considers that an abnormality has occurred and issues an alarm.
- the control device 104 can determine that a person enters from the first detection area Z1 and/or the sixth detection area Z6, that is, a person enters simultaneously from one side or both sides of the vehicle. Within the inspection channel L, the control device 104 can also alert the prompt.
- control device 104 may determine that a person enters the inspection channel L from the first detection area Z1 while the control apparatus 104 further Can alert you.
- the control device 104 can determine that a person belongs from only the second detection area Z2 (ie, the second detection area except the first detection area Z1) The remaining area of Z2 enters the inspection channel L, and the control device 104 can also alert the prompt.
- control device 104 may determine that a person enters from the coincident area of the second detection area Z2 and the fourth detection area Z4.
- the channel L is checked while the control device 104 can also alert the prompt.
- control 104 may determine that there is a person from the coincident area of the third detection area Z3 and the fourth detection area Z4 and with the second detection area Z2 and The non-coincident area of the fifth detection area Z5 enters the inspection channel L, and the control device 104 can also give an alarm.
- control device 104 can determine that a person enters the inspection channel L from the third detection area Z3 and the fifth detection area Z5. At the same time, the control device 104 can also alert the prompt.
- the control device 104 can determine that there is a person from only the fifth detection area Z5 (ie, the fifth detection area except the sixth detection area Z6) The remaining area of Z5 enters the inspection channel L, and the control device 104 can also alert the prompt.
- control device 104 can determine that a person enters the detection channel L from the sixth detection area Z6 while the control apparatus 104 further Can alert you.
- control device 104 may determine the width of the object entering the inspection channel according to the scan result of the first scan detecting device 1022 and/or the second scan detecting device 1024, and determine whether a person enters the inspection channel L according to the width. For example, it is determined whether the width is within a preset width range. If the width is within the width range, the entering object is determined to be the vehicle to be inspected; and less than the width range, it is determined that a person enters the inspection channel L, and the control device 104 can also Alarm prompt. If the width range is exceeded, the control device 104 may also consider that an abnormality has occurred and an alarm is given.
- control device 104 may determine the length of the object entering the inspection channel according to the scan result of the first scan detecting device 1022 and/or the second scan detecting device 1024, and determine whether a person enters the inspection channel L according to the length. For example, it is determined whether the length is less than a predetermined length threshold. If the length is less than the length threshold, the control device 104 determines that a person enters the inspection channel L, and the control device 104 can also alert the prompt.
- the distance between the two is used to determine the traveling direction and speed of the object by the occlusion relationship of the laser beam, and the object is detected by the speed and the continuous use.
- the length of the object is calculated, so that the length is used to judge whether the person or the vehicle to be inspected has entered the inspection channel L.
- the scanning detection system for the inspection channel of the embodiment of the invention can realize the effective distinction between the person and the vehicle, and can also detect the situation that the person passes at the same time on the side of the vehicle, thereby greatly improving the accuracy of the inspection of the entrance and exit personnel of the inspection channel. To ensure the safety of personnel.
- FIG. 5 is a block diagram of another scan detection system for an inspection channel, according to an exemplary embodiment.
- the difference from the scan detection system 10 shown in FIG. 1 is that the scan detection system 20 shown in FIG. 5 may further include: at least two second entrance and exit scan detection devices 106.
- the second port scanning detecting device 106 is disposed at the exit of the detecting channel L; and when the first port scanning detecting device 102 is disposed at the exit of the inspection channel L Then, the second entrance/exit scan detecting device 106 is disposed at the entrance of the detecting channel L.
- the first entrance/exit scan detecting device 102 is disposed at the entrance of the inspection channel L
- the second port scanning detecting device 106 is disposed at the exit of the inspection channel L.
- the second entrance/exit scanning detecting means 106 includes third scanning detecting means 1062 and fourth scanning detecting means 1064 which are disposed on different sides of the detecting path L.
- the laser scanning detection surface of the third scanning detecting device 1062 and the fourth scanning detecting device 1064 is perpendicular to the center line A (not shown) of the inspection channel L, or A predetermined angle (not shown) is formed with a plane perpendicular to the center line A.
- the third scanning detecting device 1062 may be installed when the third scanning detecting device 1062 and the fourth scanning detecting device 1064 are installed.
- the fourth scanning detecting device 1064 is disposed on different planes perpendicular to the center line of the inspection channel such that the respective laser scanning detecting faces emitted by them are not in the same plane.
- the third scan detecting device 1062 and the fourth scan detecting device 1064 may be disposed on the same plane perpendicular to the center line of the inspection channel, but the laser scanning detection by the third scanning detecting device 1062 and the fourth scanning detecting device 1064 The angle between the face and the plane is different, so that the laser scanning detection faces emitted by the respective faces are not in the same plane.
- the control device 104 is connected to the second entrance/exit scan detecting device 106, and may further be configured to determine whether a person enters the inspection channel L based on the scan results of the third scan detecting device 1062 and the fourth scan detecting device 1064. For example, the control device 104 performs the above determination as to whether or not a person has entered the inspection channel L by using the scan results of the third scan detecting device 1062 and the fourth scan detecting device 1064, and jointly refers to the first scan detecting device 1022 and the second scan detecting device. The judgment made by the scanning result of 1024 finally determines whether a person enters the inspection channel L.
- the second entrance and exit scan detection device 106 is a regional laser scanner.
- FIG. 6 is a block diagram of still another scan detection system for inspecting a channel, according to an exemplary embodiment.
- the difference from the scan detection system 10 shown in FIG. 1 is that the scan detection system 30 shown in FIG. 6 may further include: at least one channel scan detecting device 108.
- the channel scan detecting device 108 is connected to the control device 104.
- the channel scanning detecting device 108 is disposed in the inspection channel L, and the laser scanning detecting surface emitted is parallel to the bottom surface B of the inspection channel L (not shown) or is formed with the bottom surface B. Preset angle (not shown).
- the control device 104 can further determine whether there is a person in the channel according to the scan result of the channel scan detecting device 108, for example, by judging whether the scanned object is a person by scanning the length and width of the object in the channel, thereby determining whether there is a person in the channel. .
- the channel scan detection device 108 is a regional laser scanner.
- a scanning detecting device is further disposed in the inspection channel, and in addition to detecting whether a person enters the inspection channel at the entrance and exit, it is also possible to determine whether there is a person in the current channel, thereby further improving the personnel. The accuracy of the test.
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Abstract
一种用于检查通道（L）的扫描检测系统（10），包括：至少两个第一出入口扫描检测装置（102），分别设置于检查通道（L）的入口或出口的两侧，包括：设置于不同侧的第一扫描检测装置（1022）与第二扫描检测装置（1024）；第一扫描检测装置（1022）与第二扫描检测装置（1024）的激光扫描检测面（S1、S2）垂直于检查通道（L）的中心线（A），或者与垂直于中心线（A）的平面成第一预设夹角；以及控制装置（104），与至少两个第一出入口扫描检测装置（102）连接，用于根据第一扫描检测装置（1022）与第二扫描检测装置（1024）的扫描结果判断是否有人员进入检查通道（L）。该扫描检测系统（10）能够实现有效区分同时进入的人员和车辆，提高了人员检测的准确性，保证了人员的安全。
Description
本发明涉及扫描检测技术领域，具体而言，涉及一种用于检查通道的扫描检测系统。
在如车辆快速检查等领域，利用高能辐射对检查通道内的车辆进行辐射扫描检查。目前，在辐射扫描检查过程中，为了保证人员的人身安全，通常在出入口分别安装一对光幕，当人员进入检查通道时会触发光幕而进行报警提示。或是在检查通道内间隔式安装若干个光电开关或光幕，当检查通道内部人员移动时会触发光电或是光幕而进行报警提示。
但在检查通道内间隔式安装几个光电开关或是光幕，当人员不移动或是不遮挡光电开关或是光幕时，无法检测到人员的存在。而在出入口安装光幕只能靠时间判断来检测单个人单独进入，如果多人、或是单人长时间的遮挡光幕后再进入，则无法检测到。并且当车辆进入时，在车辆侧面有人员同时进入系统时，因光幕已经被车辆遮挡，而无法检测到人员的进入。
在所述背景技术部分公开的上述信息仅用于加强对本发明的背景的理解，因此它可以包括不构成对本领域普通技术人员已知的现有技术的信息。
发明内容
有鉴于此，本发明提供一种用于检查通道的扫描检测系统，能够实现有效区分同时进入检查通道的人员和车辆，提高了人员检测的准确性，保证了人员的安全。
本发明的其他特性和优点将通过下面的详细描述变得显然，或部分地通过本发明的实践而习得。
根据本发明的一方面，提供一种用于检查通道的扫描检测系统，包括：至少两个第一出入口扫描检测装置，分别设置于检查通道的入口或出口的两侧，包括：设置于不同侧的第一扫描检测装置与第二扫描检测装置；第一扫描检测装置与第二扫描检测装置的激光扫描检测面垂直于检查通道的中心线，或者与垂直于中心线的平面成第一预设夹角；以及控制装置，与至少两个第一出入口扫描检测装置连接，用于根据第一扫描检测装置与第二扫描检测装置的扫描结果判断是否有人员进入检查通道。
根据本发明的一实施方式，第一扫描检测装置与第二扫描检测装置的激光扫描检测面均被分为多个检测区域，并且第一扫描检测装置的检测区域与第二扫描检测装置的检测区域部分重合；控制装置根据第一扫描检测装置与第二扫描检测装置在不同检测区域的扫描结果判断是否有人员进入检查通道。
根据本发明的一实施方式，第一扫描检测装置的检测区域包括：第一检测区域、第二检测区域及第三检测区域，其中第一检测区域最靠近第一扫描检测装置，第二检测区域包括第一检测区域，第三检测区域包括第二检测区域；第二扫描检测装置的检测区域包括：第四检
测区域、第五检测区域及第六检测区域，其中第六检测区域最靠近第二扫描检测装置，第五检测区域包括第六检测区域，第四检测区域包括第五检测区域。
根据本发明的一实施方式，当在第二检测区域、第三检测区域、第四检测区域及第五检测区域均扫描到物体后，又在第一检测区域和/或第六检测区域扫描到物体时，控制装置判断有人员从第一检测区域和/或第六检测区域进入检查通道；当仅在第一检测区域、第二检测区域及第三检测区域扫描到物体时，控制装置判断有人员从第一检测区域进入检查通道；当仅在第二检测区域及第三检测区域扫描到物体时，控制装置判断有人员从第二检测区域进入检查通道；当仅在第二检测区域、第三检测区域及第四检测区域扫描到物体时，控制装置判断有人员从第二检测区域与第四检测区域的重合区域进入检查通道；当仅在第三检测区域及第四检测区域扫描到物体时，控制装置判断有人员从第三检测区域与第四检测区域的重合区域且与第二检测区域及第五检测区域的非重合区域进入检查通道；当仅在第三检测区域、第四检测区域及第五检测区域扫描到物体时，控制装置判断有人员从第三检测区域与第五检测区域的重合区域进入检查通道；当仅在第四检测区域及第五检测区域扫描到物体时，控制装置判断有人员从第五检测区域进入检查通道；当仅在第四检测区域、第五检测区域及第六检测区域扫描到物体时，控制装置判断有人员从第六检测区域进入检查通道。
根据本发明的一实施方式，当控制装置根据第一扫描检测装置和/或第二扫描检测装置的扫描结果确定进入检查通道的物体的宽度小于一预设的宽度范围时，控制装置判断有人员进入检查通道。
根据本发明的一实施方式，当控制装置根据第一扫描检测装置和/或第二扫描检测装置的扫描结果确定进入检查通道的物体的长度小于一预设的长度阈值时，控制装置判断有人员进入检查通道。
根据本发明的一实施方式，控制装置根据第一扫描检测装置和/或第二扫描检测装置的扫描结果的持续时间、物体的行进速度确定物体的长度。
根据本发明的一实施方式，第一扫描检测装置与第二扫描检测装置设置于垂直于中心线的不同平面上；或者，第一扫描检测装置与第二扫描检测装置设置于垂直于中心线的同一平面上，并且第一扫描检测装置与第二扫描检测装置的激光扫描检测面与垂直于中心线的平面成不同角度的第一预设夹角。
根据本发明的一实施方式，第一扫描检测装置与第二扫描检测装置均为区域激光扫描仪。
根据本发明的一实施方式，上述系统还包括：至少两个第二出入口扫描检测装置，分别设置于检查通道的入口或出口的两侧，包括：被设置于不同侧的第三扫描检测装置与第四扫描检测装置；第三扫描检测装置与第四扫描检测装置的激光扫描检测面垂直于检查通道的中心线，或者与垂直于中心线的平面成第二预设夹角；其中，控制装置与至少两个第二出入口扫描检测装置连接，还用于根据第三扫描检测装置与第四扫描检测装置的扫描结果判断是否有人员进入检查通道；当至少两个第一出入口扫描检测装置设置于检查通道的入口时，至少两个第二出入口扫描检测装置设置于检查通道的出口；当至少两个第一出入口扫描检测装置
设置于检查通道的出口时，至少两个第二出入口扫描检测装置设置于检查通道的入口。
根据本发明的一实施方式，上述系统还包括：至少一个通道扫描检测装置，与控制装置连接；至少一个通道扫描检测装置的激光扫描检测面与检查通道的底表面平行，或者与检查通道的底表面成第三预设夹角；控制装置还用于根据至少一个通道扫描检测装置的扫描结果判断检查通道内是否有人员。
根据本发明的用于检查通道的扫描检测系统，能够实现对人员和车辆的有效区分，同时还可以检测出人员在车辆侧面同时通过的情况，极大地提高了检查通道出入口人员检测的准确性，从而保证了人员的安全。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性的，并不能限制本发明。
通过参照附图详细描述其示例实施例，本发明的上述和其它目标、特征及优点将变得更加显而易见。
图1是根据一示例性实施方式示出的一种用于检查通道的扫描检测系统的框图。
图2是根据一示例性实施方式示出的第一出入口扫描检测装置的安装示意图。
图3是根据一示例性实施方式示出的第一扫描检测装置/第二扫描检测装置的激光扫描检测面的示意图。
图4是根据一示例性实施方式示出的第一扫描检测装置与第二扫描检测装置检测区域划分示意图。
图5是根据一示例性实施方式示出的另一种用于检查通道的扫描检测系统的框图。
图6是根据一示例性实施方式示出的再一种用于检查通道的扫描检测系统的框图。
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的范例；相反，提供这些实施方式使得本发明将更加全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。附图仅为本发明的示意性图解，并非一定是按比例绘制。图中相同的附图标记表示相同或类似的部分，因而将省略对它们的重复描述。
此外，所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施方式中。在下面的描述中，提供许多具体细节从而给出对本发明的实施方式的充分理解。然而，本领域技术人员将意识到，可以实践本发明的技术方案而省略所述特定细节中的一个或更多，或者可以采用其它的方法、组元、装置、步骤等。在其它情况下，不详细示出或描述公知结构、方法、装置、实现或者操作以避免喧宾夺主而使得本发明的各方面变得模糊。
图1是根据一示例性实施方式示出的一种用于检查通道的扫描检测系统的框图。该扫描
检测系统可用于各种检查通道内的人员保护。如图1所示，该扫描检测系统10包括：至少两个第一出入口扫描检测装置102及控制装置104。
其中，第一出入口扫描检测装置102可以被设置于检查通道的入口或出口的两侧。图2是根据一示例性实施方式示出的第一出入口扫描检测装置的安装示意图，图中以第一出入口扫描检测装置102被安装于检查通道的入口为例，但其仅为示例，而非限制本发明。第一出入口扫描检测装置102还可以设置于检查通道的出口。此外，为了便于示意与说明，图2中以安装两个第一出入口扫描检测装置102为例，但本发明不以此为限，也可以设置多个第一出入口扫描检测装置102，分别被设置于检查通道的入口或出口的两侧。
如图2所示，第一出入口扫描检测装置102包括设置于不同侧的第一扫描检测装置1022与第二扫描检测装置1024。第一扫描检测装置1022与第二扫描检测装置1024被分别安装于检查通道L的两侧壁的上方。其中第一扫描检测装置1022与第二扫描检测装置1024的激光扫描检测面S1、S2可以如图2所示垂直于检测通道L的中心线A，或者激光扫描检测面S1、S2也可以如图3所示与垂直于中心线A的平面S0成一定的预设夹角α。
在一些实施例中，第一扫描检测装置1022与第二扫描检测装置1024例如可以为区域激光扫描仪，例如选用德国西克(SICK)公司提供的型号为TiM351的区域激光扫描仪。区域激光扫描仪按照设定的采样角频率、检测角度、采样周期发射一列激光束，每列激光束包括多个采样线。激光束形成一激光扫描扇面，对经过该激光扫描扇面的物体进行扫描。此外，第一扫描检测装置1022与第二扫描检测装置1024也可以为其他具有激光扫描功能的传感器，本发明不以此为限。
在一些实施例中，为了避免设置于两侧的第一扫描检测装置1022与第二扫描检测装置1024之间发出的激光扫描检测面相互干扰，需要使其各自发出的激光扫描检测面不在同一个平面内。例如，可以将第一扫描检测装置1022和第二扫描检测装置1024设置于垂直于检查通道中心线的不同平面上，从而使其各自发出的激光扫描检测面不在同一个平面内。或者，也可以将第一扫描检测装置1022和第二扫描检测装置1024设置于垂直于检查通道中心线的同一平面上，但第一扫描检测装置1022和第二扫描检测装置1024发出的激光扫描检测面与该平面之间的夹角角度不同，从而使其各自发出的激光扫描检测面不在同一个平面内。
控制装置104与第一出入口扫描检测装置102连接，用于根据第一出入口扫描检测装置102的扫描结果判断是否有人员进入检查通道L。
例如，控制装置104可以根据第一扫描检测装置1022与第二扫描检测装置1024的激光扫描检测面分别为第一扫描检测装置1022与第二扫描检测装置1024划分出多个检测区域，并且第一扫描检测装置1022与第二扫描检测装置1024的检测区域部分重合。控制装置104可以根据第一扫描检测装置1022与第二扫描检测装置1024在不同检测区域的扫描结果判断是否有人员进入检查通道L。
图4是根据一示例性实施方式示出的第一扫描检测装置与第二扫描检测装置检测区域划分示意图。图4中，以第一扫描检测装置1022与第二扫描检测装置1024各划分三个检测区域为例示意，但本发明不以此为限。
如图4中的(a)所示，第一扫描检测装置1022的检测区域包括：第一检测区域Z1、第二检测区域Z2及第三检测区域Z3。其中第一检测区域Z1最靠近第一扫描检测装置1022，第二检测区域Z2包括第一检测区域Z1，第三检测区域Z3包括第二检测区域Z2。
如图4中的(b)所示，第二扫描检测装置1024的检测区域包括：第四检测区域Z4、第五检测区域Z5及第六检测区域Z6。其中第六检测区域Z6最靠近第二扫描检测装置1024，第五检测区域Z5包括第六检测区域Z6，第四检测区域Z4包括第五检测区域Z5。
图4中的(c)示出了第一扫描检测装置1022与第二扫描检测装置1024的检测区域重合的示意图。为了便于示例，第一扫描检测装置1022与第二扫描检测装置1024被设置于垂直于检查通道L的中心线A的同一平面，但如上文所述，为了避免干扰，第一扫描检测装置1022与第二扫描检测装置1024还可以被设置于垂直于检查通道L的中心线A的不同平面。
如图4中的(c)所示，根据下述几种情况，控制装置104可以判断出是否有人员进入检查通道L。
a)因为进入检查通道L待检查的车辆均有一定的宽度，所以当在第二检测区域Z2、第三检测区域Z3、第四检测区域Z4及第五检测区域Z5同时扫描到物体时，控制装置104可以根据该扫描结果判断该物体是待检查的车辆。此外，因为车辆有一定的长度，第一扫描检测装置1022与第二扫描检测装置1024会在一定时间内均扫描到该物体，也即第一扫描检测装置1022与第二扫描检测装置1024发出的激光束会在一定时间内均被遮挡，因此可以根据车辆的行进速度、车长等信息计算出最小遮挡时间。而当实际时间小于该最小遮挡时间时，控制装置104认为出现异常而进行报警。
b)当确认是待检查车辆进入后，即同时在第二检测区域Z2、第三检测区域Z3、第四检测区域Z4及第五检测区域Z5扫描到物体时，又在第一检测区域Z1和/或第六检测区域Z6扫描到物体时，则控制装置104可以判断有人员从第一检测区域Z1和/或第六检测区域Z6进入，也即有人员从车辆的一侧或两侧同时进入到检查通道L内，同时控制装置104还可以报警提示。
c)当仅在第一检测区域Z1、第二检测区域Z2及第三检测区域Z3扫描到物体时，控制装置104可以判断有人员从第一检测区域Z1进入检查通道L，同时控制装置104还可以报警提示。
d)当仅在第二检测区域Z2和第三检测区域Z3扫描到物体时，控制装置104可以判断有人员从只属于第二检测区域Z2(即除了第一检测区域Z1外的第二检测区域Z2的剩余区域)进入检查通道L，同时控制装置104还可以报警提示。
e)当仅在第二检测区域Z2、第三检测区域Z3及第四检测区域Z4扫描到物体时，控制装置104可以判断有人员从第二检测区域Z2与第四检测区域Z4的重合区域进入检查通道L，同时控制装置104还可以报警提示。
f)当仅在第三检测区域Z3和第四检测区域Z4扫描到物体时，控制104可以判断有人员从第三检测区域Z3和第四检测区域Z4的重合区域且与第二检测区域Z2和第五检测区域Z5的非重合区域进入检查通道L，同时控制装置104还可以报警提示。
g)当仅在第三检测区域Z3、第四检测区域Z4及第五检测区域Z5扫描到物体时，控制装置104可以判断有人员从第三检测区域Z3和第五检测区域Z5进入检查通道L，同时控制装置104还可以报警提示。
h)当仅在第四检测区域Z4和第五检测区域Z5扫描到物体时，控制装置104可以判断有人员从只属于第五检测区域Z5(即除了第六检测区域Z6外的第五检测区域Z5的剩余区域)进入检查通道L，同时控制装置104还可以报警提示。
i)当仅在第四检测区域Z4、第五检测区域Z5和第六检测区域Z6扫描到物体时，控制装置104可以判断有人员从第六检测区域Z6进入检测通道L，同时控制装置104还可以报警提示。
此外，控制装置104还可以根据第一扫描检测装置1022和/或第二扫描检测装置1024的扫描结果确定进入检查通道的物体的宽度，并根据该宽度判断是否有人员进入检查通道L。例如判断该宽度是否在一预设的宽度范围，如果在该宽度范围，可以判断该进入物体为待检查车辆；而小于该宽度范围，则判断有人员进入检查通道L，同时控制装置104还可以报警提示。而如果超过该宽度范围，控制装置104也可以认为出现异常，并报警提示。
此外，控制装置104还可以根据第一扫描检测装置1022和/或第二扫描检测装置1024的扫描结果确定进入检查通道的物体的长度，并根据该长度判断是否有人员进入检查通道L。例如判断该长度是否小于一预设的长度阈值，如果该长度小于该长度阈值，则控制装置104判断有人员进入检查通道L，同时控制装置104还可以报警提示。
第一扫描检测装置1022与第二扫描检测装置1024交叉安装时，可以利用两者的距离值，利用激光束被遮挡的先后关系进行物体行进方向和速度的判断，并利用速度和持续检测到物体的时间，计算物体的长度，从而利用该长度来判断是人员还是待检查车辆进入了检查通道L。
本发明实施方式的用于检查通道的扫描检测系统，能够实现对人员和车辆的有效区分，同时还可以检测出人员在车辆侧面同时通过的情况，极大地提高了检查通道出入口人员检测的准确性，从而保证了人员的安全。
图5是根据一示例性实施方式示出的另一种用于检查通道的扫描检测系统的框图。与图1所示的扫描检测系统10不同之处在于，图5所示的扫描检测系统20还可以包括：至少两个第二出入口扫描检测装置106。
当第一出入口扫描检测装置102设置于检查通道L的入口时，则第二出入口扫描检测装置106设置于检测通道L的出口；而当第一出入口扫描检测装置102设置于检查通道L的出口时，则第二出入口扫描检测装置106设置于检测通道L的入口。不失一般性地，图2中第一出入口扫描检测装置102设置于检查通道L的入口，第二出入口扫描检测装置106设置于检查通道L的出口。
联合参考图5和图2，第二出入口扫描检测装置106包括被设置于检测通道L不同侧的第三扫描检测装置1062与第四扫描检测装置1064。同样地，第三扫描检测装置1062与第四扫描检测装置1064的激光扫描检测面垂直于检查通道L的中心线A(图中未示出)，或者
与垂直于中心线A的平面成一预设夹角(图中未示出)。为了避免第三扫描检测装置1062与第四扫描检测装置1064的激光扫描检测面之间的干扰，第三扫描检测装置1062与第四扫描检测装置1064在安装时，可以将第三扫描检测装置1062与第四扫描检测装置1064设置于垂直于检查通道中心线的不同平面上，从而使其各自发出的激光扫描检测面不在同一个平面内。或者，也可以将第三扫描检测装置1062与第四扫描检测装置1064设置于垂直于检查通道中心线的同一平面上，但第三扫描检测装置1062与第四扫描检测装置1064发出的激光扫描检测面与该平面之间的夹角角度不同，从而使其各自发出的激光扫描检测面不在同一个平面内。
控制装置104与第二出入口扫描检测装置106连接，还可以进一步用于根据第三扫描检测装置1062与第四扫描检测装置1064的扫描结果判断是否有人员进入检查通道L。例如，控制装置104利用第三扫描检测装置1062与第四扫描检测装置1064的扫描结果进行上述是否有人员进入检查通道L的判断，并联合参考根据第一扫描检测装置1022与第二扫描检测装置1024的扫描结果所作出的判断，最终确定是否有人员进入检查通道L。
在一些实施例中，该第二出入口扫描检测装置106为区域激光扫描仪。
图6是根据一示例性实施方式示出的再一种用于检查通道的扫描检测系统的框图。与图1所示的扫描检测系统10不同之处在于，图6所示的扫描检测系统30还可以包括：至少一个通道扫描检测装置108。该通道扫描检测装置108与控制装置104连接。
如图2所示，该通道扫描检测装置108被设置于检查通道L内，其发出的激光扫描检测面与检查通道L的底表面B平行(图中未示出)，或者与底表面B成一预设角度(图中未示出)。
控制装置104还可以根据该通道扫描检测装置108的扫描结果进一步判断通道内是否有人员，例如通过扫描通道内物体的长度、宽度等信息判断扫描到的物体是否为人，从而判断通道内是否有人员。
在一些实施例中，该通道扫描检测装置108均为区域激光扫描仪。
本发明实施方式的用于检查通道的扫描检测系统，在检查通道内又设置扫描检测装置，除了在出入口检测是否有人员进入检查通道内外，还可以判断当前通道内是否有人员，进一步提升了人员检测的准确性。
需要注意的是，上述附图中所示的框图是功能实体，不一定必须与物理或逻辑上独立的实体相对应。可以采用软件形式来实现这些功能实体，或在一个或多个硬件模块或集成电路中实现这些功能实体，或在不同网络和/或处理器装置和/或微控制装置中实现这些功能实体。
以上具体地示出和描述了本发明的示例性实施方式。应可理解的是，本发明不限于这里描述的详细结构、设置方式或实现方法；相反，本发明意图涵盖包含在所附权利要求的精神和范围内的各种修改和等效设置。
Claims (11)
- 一种用于检查通道的扫描检测系统，其特征在于，包括：至少两个第一出入口扫描检测装置，分别设置于所述检查通道的入口或出口的两侧，包括：设置于不同侧的第一扫描检测装置与第二扫描检测装置；所述第一扫描检测装置与所述第二扫描检测装置的激光扫描检测面垂直于所述检查通道的中心线，或者与垂直于所述中心线的平面成第一预设夹角；以及控制装置，与所述至少两个第一出入口扫描检测装置连接，用于根据所述第一扫描检测装置与所述第二扫描检测装置的扫描结果判断是否有人员进入所述检查通道。
- 根据权利要求1所述的扫描检测系统，其特征在于，所述第一扫描检测装置与所述第二扫描检测装置的激光扫描检测面均被分为多个检测区域，并且所述第一扫描检测装置的检测区域与所述第二扫描检测装置的检测区域部分重合；所述控制装置根据所述第一扫描检测装置与所述第二扫描检测装置在不同检测区域的扫描结果判断是否有人员进入所述检查通道。
- 根据权利要求2所述的扫描检测系统，其特征在于，所述第一扫描检测装置的检测区域包括：第一检测区域、第二检测区域及第三检测区域，其中所述第一检测区域最靠近所述第一扫描检测装置，所述第二检测区域包括所述第一检测区域，所述第三检测区域包括所述第二检测区域；所述第二扫描检测装置的检测区域包括：第四检测区域、第五检测区域及第六检测区域，其中所述第六检测区域最靠近所述第二扫描检测装置，所述第五检测区域包括所述第六检测区域，所述第四检测区域包括所述第五检测区域。
- 根据权利要求3所述的扫描检测系统，其特征在于，当在所述第二检测区域、所述第三检测区域、所述第四检测区域及所述第五检测区域均扫描到物体后，又在所述第一检测区域和/或所述第六检测区域扫描到物体时，所述控制装置判断有人员从所述第一检测区域和/或所述第六检测区域进入所述检查通道；当仅在所述第一检测区域、所述第二检测区域及所述第三检测区域扫描到物体时，所述控制装置判断有人员从所述第一检测区域进入所述检查通道；当仅在所述第二检测区域及所述第三检测区域扫描到物体时，所述控制装置判断有人员从所述第二检测区域进入所述检查通道；当仅在所述第二检测区域、所述第三检测区域及所述第四检测区域扫描到物体时，所述控制装置判断有人员从所述第二检测区域与所述第四检测区域的重合区域进入所述检查通道；当仅在所述第三检测区域及所述第四检测区域扫描到物体时，所述控制装置判断有人员从所述第三检测区域与所述第四检测区域的重合区域且与所述第二检测区域及所述第五检测区域的非重合区域进入所述检查通道；当仅在所述第三检测区域、所述第四检测区域及所述第五检测区域扫描到物体时，所述控制装置判断有人员从所述第三检测区域与所述第五检测区域的重合区域进入所述检 查通道；当仅在所述第四检测区域及所述第五检测区域扫描到物体时，所述控制装置判断有人员从所述第五检测区域进入所述检查通道；当仅在所述第四检测区域、所述第五检测区域及所述第六检测区域扫描到物体时，所述控制装置判断有人员从所述第六检测区域进入所述检查通道。
- 根据权利要求1所述的扫描检测系统，其特征在于，当所述控制装置根据所述第一扫描检测装置和/或所述第二扫描检测装置的扫描结果确定进入所述检查通道的物体的宽度小于一预设的宽度范围时，所述控制装置判断有人员进入所述检查通道。
- 根据权利要求1所述的扫描检测系统，其特征在于，当所述控制装置根据所述第一扫描检测装置和/或所述第二扫描检测装置的扫描结果确定进入所述检查通道的物体的长度小于一预设的长度阈值时，所述控制装置判断有人员进入所述检查通道。
- 根据权利要求6所述的扫描检测系统，其特征在于，所述控制装置根据所述第一扫描检测装置和/或所述第二扫描检测装置的扫描结果的持续时间、所述物体的行进速度确定所述物体的长度。
- 根据权利要求1所述的扫描检测系统，其特征在于，所述第一扫描检测装置与所述第二描检测装置设置于垂直于所述中心线的不同平面上；或者，所述第一扫描检测装置与所述第二扫描检测装置设置于垂直于所述中心线的同一平面上，并且所述第一扫描检测装置与所述第二扫描检测装置的激光扫描检测面与垂直于所述中心线的平面成不同角度的所述第一预设夹角。
- 根据权利要求1-8任一项所述的扫描检测系统，其特征在于，所述第一扫描检测装置与所述第二扫描检测装置均为区域激光扫描仪。
- 根据权利要求9所述的扫描检测系统，其特征在于，还包括：至少两个第二出入口扫描检测装置，分别设置于所述检查通道的入口或出口的两侧，包括：被设置于不同侧的第三扫描检测装置与第四扫描检测装置；所述第三扫描检测装置与所述第四扫描检测装置的激光扫描检测面垂直于所述检查通道的中心线，或者与垂直于所述中心线的平面成第二预设夹角；其中，所述控制装置与所述至少两个第二出入口扫描检测装置连接，还用于根据所述第三扫描检测装置与所述第四扫描检测装置的扫描结果判断是否有人员进入所述检查通道；当所述至少两个第一出入口扫描检测装置设置于所述检查通道的入口时，所述至少两个第二出入口扫描检测装置设置于所述检查通道的出口；当所述至少两个第一出入口扫描检测装置设置于所述检查通道的出口时，所述至少两个第二出入口扫描检测装置设置于所述检查通道的入口。
- 根据权利要求9所述的扫描检测系统，其特征在于，还包括：至少一个通道扫描检测装置，与所述控制装置连接；所述至少一个通道扫描检测装置的激光扫描检测面与所 述检查通道的底表面平行，或者与所述检查通道的底表面成第三预设夹角；所述控制装置还用于根据所述至少一个通道扫描检测装置的扫描结果判断所述检查通道内是否有人员。
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