CN210515561U - Electronic fence - Google Patents
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- CN210515561U CN210515561U CN201921906436.1U CN201921906436U CN210515561U CN 210515561 U CN210515561 U CN 210515561U CN 201921906436 U CN201921906436 U CN 201921906436U CN 210515561 U CN210515561 U CN 210515561U
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Abstract
The utility model discloses an electronic fence, which comprises a laser radar light curtain device arranged at a preset position to form a scanning surface, wherein when detecting illegal invasion in the scanning surface, the laser radar light curtain device sends point cloud data of an invader to a master controller; and processing the point cloud data of the intruder to obtain the distance and angle information of the intruder, and triggering a main controller for alarming by an alarm device when the intrusion position of the intruder is in a preset defense deployment area. Above-mentioned fence can carry out the face scanning in presetting position department through setting up laser radar light curtain device, can send the some cloud data including distance and angle information of invader to the master controller simultaneously to fix a position the invasion position of invader, improve investigation efficiency of investigation invader.
Description
Technical Field
The utility model relates to a security protection control technical field, more specifically say, relate to an electronic fence.
Background
The safety of the electric power operation field needs safety instruments such as fences and the like besides management regulation making and operation specification rules, so that a safety region and a dangerous region are isolated, separation and safety warning are carried out on operating personnel, the safety level is improved, and the occurrence of accidents is reduced. The electric power safety operation fence is provided with traditional physical safety fences such as railings, stay wires and pull nets, and also is provided with an intelligent electronic safety fence adopting detection methods such as stay wire pulse signals, infrared induction and infrared correlation. Most of the traditional physical safety fences are passive and have pure mechanical structures, so that the physical safety fences are broken when people randomly climb over the physical safety fences and cannot actively give an alarm for prompting. The electronic safety fence adopts an advanced sensing detector, is combined with the existing automation technology, has the functions of border crossing monitoring, acousto-optic alarm prompting, unauthorized movement alarm, damage alarm and the like, can even carry out electric shock deterrence on forced border crossing persons, and realizes the safety protection functions of blocking, alarming and deterrence.
The general principle of the infrared correlation type electronic fence is as follows: the two ends of the protection area are respectively provided with an infrared emitter and an infrared receiver, the infrared emitter emits N beams of infrared light, the infrared receiver receives the N beams of infrared light, when the received infrared light is the same as the received infrared light, the electronic fence does not give an alarm, when an object forms a barrier between the infrared generator and the infrared receiver, the infrared light beams which the infrared receiver arrives at are inconsistent with the light beams which the infrared generator sends out, an alarm is generated, and therefore the function of the safe electronic fence is achieved.
Because the infrared correlation mode is adopted, the precision is poor and false alarm is easy to miss in the mode of multi-beam infrared correlation; the infrared correlation electronic fence can only identify the invasion of an object and cannot determine the specific position of the invaded object, which brings certain workload for checking the position of the invaded object; meanwhile, the infrared correlation type electronic fence stay wire arrangement and infrared correlation debugging workload is large; the time points and lines of the defense distribution area have monitoring blind areas and are easily influenced by the environment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an electronic fence to solve current infrared correlation electronic fence and can not confirm the position of invading object, investigate the big scheduling problem of invading object position work load.
In order to achieve the above object, the utility model provides a following technical scheme:
an electronic fence, comprising:
the laser radar light curtain device is arranged at a preset position to form a scanning surface, and when the laser radar light curtain device detects that illegal invasion exists in the scanning surface, point cloud data of an invader are sent to the main controller;
and processing the point cloud data of the intruder to obtain the distance and angle information of the intruder, and triggering the main controller for alarming by an alarm device when the intrusion position of the intruder is in a preset defense deployment area.
Preferably, the master comprises:
the data receiving module is used for receiving the point cloud data of the intruder, which is sent by the laser radar light curtain device;
the data processing module is used for processing the point cloud data of the invader to obtain the distance and angle information of the invader and converting the distance and angle information into coordinate values in a plane rectangular system;
the plane rectangular coordinate value of the invasion position of the invader is compared with the coordinate value of the preset defense area, and when the invasion position of the invader is in the preset defense area, the invasion judgment module which is started by the alarm driving module is triggered;
and the alarm driving module is used for alarming according to a preset starting mode.
Preferably, the master further comprises:
and the preset defense area moving object monitoring module is used for monitoring point cloud data of the white list objects in the preset defense area and triggering the alarm device to alarm when the positions of the white list objects move.
Preferably, predetermine the cloth and prevent regional including with laser radar light curtain device is the centre of a circle, predetermines the circular blind area of not reporting to the police of radius length, the master controller is worked as intruder's invasion position is in predetermineeing the cloth and prevent in the circular blind area of warning, trigger alarm device reports to the police.
Preferably, the master further comprises:
the timing module is used for timing the invasion time of the invader when the laser radar light curtain device detects that illegal invasion exists in the scanning surface;
the main controller triggers the alarm device to give an alarm when the intrusion position of the intruder is in a preset defense distribution area and the intrusion time of the intruder is more than or equal to a preset time threshold value.
Preferably, the system further comprises a manual interaction device connected with the master controller, the manual interaction device comprises a control panel used for adjusting the boundary coordinate parameters of the preset defense deploying area, and a display device used for displaying the boundary coordinate parameters of the preset defense deploying area is arranged on the control panel.
Preferably, laser radar light curtain device specifically is laser scanner, laser scanner includes battery pack, external power supply interface, motor and laser generator.
Preferably, the positioning device is used for positioning the layout of the laser radar light curtain device;
the alignment device comprises a laser indicator used for aligning the vertical degree of the laser radar light curtain device and a level gauge used for aligning the levelness of the laser radar light curtain device.
Preferably, the master controller comprises an MCU chip, a micropower infinite encryption communication module, a control panel interface for connecting with the control panel, an alarm device interface for connecting with the alarm device and a communication interface for connecting with the laser radar light curtain device.
Preferably, the alarm device is a sound-light alarm.
The utility model provides an electronic fence, including the laser radar light curtain device that sets up in preset position in order to form the scanning face, when the laser radar light curtain device detects that there is illegal invasion in the scanning face, send the some cloud data of invader to the master controller; and processing the point cloud data of the intruder to obtain the distance and angle information of the intruder, and triggering a main controller for alarming by an alarm device when the intrusion position of the intruder is in a preset defense deployment area.
Use the utility model provides an electronic fence sets up through laser radar light curtain device in presetting position department and forms the scanning face, when detecting that there is illegal invasion in the scanning face, sends the some cloud data of invador to master controller, and the master controller is handled the distance and the angle information that obtain the invador according to some cloud data, and triggers alarm device when the invasion position of invador is presetting the cloth and prevent the region in advance. Above-mentioned fence can carry out the face scanning in presetting position department through setting up laser radar light curtain device, can send the some cloud data including distance and angle information of invader to the master controller simultaneously to fix a position the invasion position of invader, improve investigation efficiency of investigation invader.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electronic fence according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a laser radar light curtain device according to an embodiment of the present invention;
fig. 3 is the embodiment of the utility model provides a mounting structure schematic diagram of laser radar light curtain device.
The drawings are numbered as follows:
laser radar light curtain device 1, master controller 2.
Detailed Description
The embodiment of the utility model discloses fence to solve current infrared correlation fence and can not confirm the position of invasion object, investigate the big scheduling problem of invasion object position work load.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of an electronic fence according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a laser radar light curtain device according to an embodiment of the present invention; fig. 3 is the embodiment of the utility model provides a mounting structure schematic diagram of laser radar light curtain device.
In a specific embodiment, the utility model provides an electronic fence, include:
the laser radar light curtain device 1 is arranged at a preset position to form a scanning surface, and when the laser radar light curtain device 1 detects that illegal invasion exists in the scanning surface, point cloud data of an invader are sent to the main controller 2;
and the main controller 2 is used for processing the point cloud data of the intruder to obtain the distance and angle information of the intruder and triggering the alarm device to alarm when the intrusion position of the intruder is in a preset defense deployment area.
The number of laser radar light curtain device 1 can set up as required, if in an embodiment, if only need to cloth and defend single plane, then can only set up a laser radar light curtain device 1 and cloth and defend, if set up at the horizontal plane to carry out height-limiting and cloth and defend, perhaps set up along vertical face. Also can be according to treating the region of deploying troops on garrison duty, set up a plurality of laser radar light curtain devices 1 and form three-dimensional security protection regional, form the regional security protection of combination polygon three-dimensional security protection and top level limit for height regional, if set up four laser radar light curtain devices 1 that set up along vertical direction and one laser radar light curtain device 1 that sets up along the horizontal direction, from this set up in order to form confined cuboid security protection region with ground.
The preset defense deployment area can be set to be rectangular, fan-shaped, circular and the like, and when the preset defense deployment area is the rectangular area, the laser radar light curtain device 1 can be arranged on the vertex, the middle point of the side or the inner point of the rectangle; when the preset protection area is a sector or a circular area, the laser radar light curtain device 1 may be disposed at a circular point.
The laser radar light curtain device 1 can be specifically a laser scanner or a laser sensor, scans at a preset angle and frequency, wherein the maximum scanning angle of the laser scanner can be 180 degrees, 270 degrees or 360 degrees, sends point cloud data of an intruder to the main controller 2, the point cloud data is data of a clockwise polar coordinate system, and is converted into a plane rectangular coordinate system for convenience in calculation of a security monitoring algorithm, wherein x is rho cos theta; y — ρ sin θ (where ρ is the "distance" of the point cloud data and θ is the "angle" of the point cloud data).
The main controller 2 can be specifically an MCU chip with a DSP processing function, the point cloud data of an intruder is processed to obtain distance and angle information of the intruder, whether the intrusion position of the intruder is in a preset defense arrangement area or not is judged, if yes, an alarm device is triggered to alarm, the preset defense arrangement area can be selected according to a scanning surface of the laser radar light curtain device 1, alarm information is uploaded to a background server, and the current intrusion condition of a background is informed in time.
Use the utility model provides an electronic fence sets up through laser radar light curtain device 1 in presetting position department and forms the scanning face, when detecting that there is illegal invasion in the scanning face, sends intruder's a cloud data to master controller 2, and master controller 2 handles distance and the angle information that obtains the intruder according to a cloud data, and triggers alarm device when intruder's invasion position is presetting the defense area intra-area. Above-mentioned fence can carry out the face scanning in presetting position department through setting up laser radar light curtain device 1, can send the some cloud data including distance and angle information of invader to master controller 2 simultaneously to fix a position the invasion position of invader, improve investigation efficiency of investigation invader.
Specifically, the master 2 includes:
the data receiving module is used for receiving point cloud data of an intruder, which are sent by the laser radar light curtain device 1;
the data processing module is used for processing the point cloud data of the invader to obtain the distance and angle information of the invader and converting the distance and angle information into coordinate values in a plane rectangular system;
the intrusion judgment module is used for comparing the plane rectangular coordinate value of the intrusion position of the intruder with the coordinate value of the preset defense area and triggering the alarm driving module to start when the intrusion position of the intruder is in the preset defense area;
and the alarm driving module is used for alarming according to a preset starting mode.
The data receiving module, the data processing module, the intrusion judging module and the alarm driving module are sequentially connected, and the data receiving module is connected with the laser radar light curtain device 1 to transmit data.
Meanwhile, in order to improve the stability of judgment, the comparison scanning frequency can be increased, when the continuous scanning frequency reaches a set scanning value, the point is considered to be in the defense distribution area, or the alarm of an intruder is detected from a small size, for example, the number of point cloud data is continuously compared, when the number in the preset defense distribution area is more than or equal to a set value, the alarm is carried out, and if the number is less than the set value, the point is judged to be a discrete interference point and is abandoned. Or in an embodiment, when the reflectivity of the detected object is low, an intruder is easy to be monitored, and the intrusion condition of the object can be judged by monitoring the change of the background contour.
Further, the master 2 further includes:
the monitoring module of the moving object in the preset defense region is used for monitoring the point cloud data of the white list object in the preset defense region and triggering the alarm device to alarm when the position of the white list object moves.
When a preset defense deployment area is set, when interferents such as branches and cables exist in the area, the interferents can be set in a white list to be removed, so that the applicability of the system is improved. Meanwhile, the point cloud data of the white list object sent by the laser radar light curtain device 1 is monitored through the preset defense deployment area moving object monitoring module, and when the position of the white list object moves or the moving variable is larger than a preset variable value, the alarm device is triggered to give an alarm, so that the alarm device is set to monitor the circumferential boundary object of the preset defense deployment area. The white list object can be monitored by setting the contrast scanning times, or the profile change of the interfering object is within a preset range by presetting the profile change threshold of the interfering object, or the monitoring of the white list object is realized by comparing the preset background profile with the monitored background profile.
Further, in order to prevent the rain water, dust and other impurities from attaching to the laser radar light curtain device 1 to cause false alarm, the preset defense area includes a non-alarm circular dead zone with the laser radar light curtain device 1 as a circle center and a preset radius length, the preset radius length is preferably 1-30mm, and the preset radius length is only a preferred embodiment and can be set as required. And the main controller 2 triggers the alarm device to alarm when the invasion position of the invader is in a preset defense area and is not in an alarm round dead zone.
Further, the master 2 further includes:
the timing module is used for timing the invasion time of an invader when the laser radar light curtain device 1 detects that illegal invasion exists in the scanning surface;
and the master controller 2 triggers the alarm device to alarm when the invasion position of the invader is in the preset defense area and the invasion time of the invader is more than or equal to the preset time threshold value.
Laser radar light curtain device 1 sends timing start signal to timing module when detecting that there is illegal invasion in the scanning face, and timing module is according to start signal timing to intruder's invasion time, is provided with time judgement module in the master controller 2 simultaneously, compares intruder's invasion time and predetermines the time threshold value, and when intruder's invasion time more than or equal to predetermine time threshold value and intruder's invasion position when predetermineeing the arrangement region, trigger alarm device. Therefore, the minimum intrusion time of the intruder is judged, and the system reliability is improved. Preferably, the main controller 2 can also judge according to the size of the intruder, calculate the point cloud data of the intruder according to the laser radar light curtain device 1 to obtain the volume or area of the intruder, and compare the volume or area with a preset value to configure the size of the intruder, so that the security detection reliability of the system is improved.
In one embodiment, when the invasion position of an intruder is in a preset defense area and is not in an alarm round dead zone, and the invasion time of the intruder is greater than or equal to a preset time threshold value, the alarm device is triggered to alarm.
Specifically, the intelligent terminal further comprises a manual interaction device connected with the main controller 2, the manual interaction device comprises a control panel used for adjusting boundary coordinate parameters of a preset defense deployment area, and a display device used for displaying the boundary coordinate parameters of the preset defense deployment area is arranged on the control panel.
The manual interaction device comprises a control panel and a display device, wherein a mode key, an intrusion monitoring indicator lamp and a mobile monitoring indicator lamp are arranged on the control panel and used for selecting an intrusion monitoring mode or a mobile monitoring mode.
The 'one-key defense deployment' key is used for automatically taking the detected perimeter as a defense deployment area and simultaneously rejecting other objects in the perimeter. The perimeter distance after arming can be displayed in the display screen.
The 'switching', 'plus', 'key', the 'up', 'down', 'left' and 'right' indicator lights and the display screen are keys and indications for manual defense setting. The 'switching' key circularly selects 'up', 'down', 'left' and 'right' boundaries, the corresponding indicator lights are on, and the distances of the boundaries are increased and decreased through the '+' and '-' keys. For a horizontal height limiting device, "up" corresponds to the front boundary and "down" corresponds to the back boundary. The perimeter distance after arming may be "toggled" to select for display in the display screen.
The one-key defense deployment key is provided with a defense deployment perimeter, and can be manually readjusted through the key. The user can simply and intuitively configure the working mode, the configuration and the inquiry of the defense deployment area range of the product through the operation panel without professional training or other equipment and instruction manuals on the spot.
The main controller 2 can be connected with a background server, a preset defense deployment area is configured through remote communication, or an area which is detected by the laser radar light curtain device 1 before operation and uses an auxiliary object in a city is configured as a defense deployment area through one key, or the defense deployment area is configured through system self-learning, and existing obstacle objects in the defense deployment area are removed.
Specifically, laser radar light curtain device 1 specifically is laser scanner, and laser scanner includes battery pack, external power supply interface, motor and laser generator. The motor drives the laser generator to rotate at a preset frequency to form a laser plane, when an invading object is detected in the plane, laser forms light reflection on the invading object, and the laser scanner detects point cloud data comprising distance and angle information of the invading object. Wherein, laser scanner can specifically be LD-MRS series, LMS511 series or LD-LRS series, and prior art can be referred to its specific structure, and perhaps laser radar light curtain device 1 also can specifically be laser sensor, all is in the utility model discloses a protection scope.
On the basis of the above embodiments, the positioning device further includes a positioning device for positioning the layout of the laser radar light curtain device 1;
the aligning device comprises a laser indicator for aligning the vertical degree of the laser radar light curtain device 1 and a level meter for aligning the levelness of the laser radar light curtain device 1.
When the laser indicator is arranged at the boundary of the defense area, the auxiliary installation is carried out. When in use, the laser pointer arranged at one laser radar light curtain device 1 irradiates the adjacent laser radar light curtain device 1, so that the installation of the two adjacent laser radar light curtain devices 1 is realized. Wherein, laser designator can be specifically red laser designator, in other embodiments, also can be the laser designator of other colours, all be in the utility model discloses a protection scope. Further, monitoring the security vertical face and the height-limiting horizontal plane of the laser radar light curtain device 1 through the level gauge, and adjusting the position of the laser radar light curtain device 1 through an adjusting screw of the level gauge to meet the requirement. In the process of defense deployment, a red laser indicator is taken as an example for explanation, a user presses a button, the red laser indicator is lightened, the position of the laser radar light curtain device 1 is adjusted, a red light spot is aligned to a reference point of a defense deployment boundary, the laser radar light curtain device 1 is placed and fixed by taking the red light spot as a reference, and the red laser indicator is closed after the hand is released. When the laser radar light curtain device 1 operates, the light curtain surface is on the boundary line aligned by the red visible light. With the help of the red visible light to assist in aligning the boundary of the defense-laying area, the laser radar light curtain device 1 can be rapidly placed, and the laser scanning surface is ensured to be on the boundary of security protection.
In one embodiment, the master controller 2 comprises an MCU chip, a micropower infinite encryption communication module, a control panel interface for connecting with a control panel, an alarm device interface for connecting with an alarm device, and a communication interface for connecting with the lidar light curtain device 1. The laser radar light curtain device comprises a laser radar light curtain device 1, and is characterized by further comprising a microprocessor, a memory, a clock and an IO (input output) interface, so that the functions of data acquisition, analysis and processing, security monitoring, communication, query and configuration of the laser radar light curtain device 1 are realized. The main controller 2 and the laser radar light curtain device 1 can be connected through an Ethernet/RS 32/RS 485/serial TTL interface, and the communication speed is high and the data volume is large.
The point cloud data sent by the laser radar light curtain device 1 are orderly arranged according to clockwise scanning, but do not necessarily start according to the scanning starting point of 0 degrees, so that the data acquisition needs to search and process to find the starting position of the scanning point of 0 degrees, and the data analysis and display processing are convenient. The point cloud data is data of a clockwise polar coordinate system, and needs to be converted into a planar rectangular coordinate system for convenient operation of a security detection algorithm, wherein the angle of the polar coordinate system is clockwise and the quadrant is also clockwise. The conversion relation between the polar coordinate system and the rectangular coordinate system is as follows:
x is ρ cos θ, and y is ρ sin θ; where ρ is the "distance" of the point cloud data and θ is the "angle" of the point cloud data.
The electronic fence comprises a built-in lithium battery capable of running for at least 24 hours, is small in size, convenient to carry, free of stay wire power supply in field use and capable of reducing the work load of defense deployment. Possess the wireless function of charging, do not expose the interface that charges, protection level ip 65. The battery pack module is provided with an external battery interface, and can be connected to a matched battery pack module component when the equipment needs to work for a longer time.
In order to remind field operators of abnormal conditions, the alarm device is specifically an audible and visual alarm to manually confirm and eliminate intrusion or recover a monitored object so as to relieve audible and visual alarm. The alarm device can alarm faults of the main controller 2 or the laser scanner, such as core board hardware faults, low battery voltage and micropower wireless communication faults; communication failures, hardware failures, sensor sensing component contamination failures, and the like.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electronic fence, comprising:
the laser radar light curtain device is arranged at a preset position to form a scanning surface, and when the laser radar light curtain device detects that illegal invasion exists in the scanning surface, point cloud data of an invader are sent to the main controller;
and processing the point cloud data of the intruder to obtain the distance and angle information of the intruder, and triggering the main controller for alarming by an alarm device when the intrusion position of the intruder is in a preset defense deployment area.
2. An electronic fence as claimed in claim 1, wherein the master controller comprises:
the data receiving module is used for receiving the point cloud data of the intruder, which is sent by the laser radar light curtain device;
the data processing module is used for processing the point cloud data of the invader to obtain the distance and angle information of the invader and converting the distance and angle information into coordinate values in a plane rectangular system;
the plane rectangular coordinate value of the invasion position of the invader is compared with the coordinate value of the preset defense area, and when the invasion position of the invader is in the preset defense area, the invasion judgment module which is started by the alarm driving module is triggered;
and the alarm driving module is used for alarming according to a preset starting mode.
3. An electronic fence as claimed in claim 2, wherein the master controller further comprises:
and the preset defense area moving object monitoring module is used for monitoring point cloud data of the white list objects in the preset defense area and triggering the alarm device to alarm when the positions of the white list objects move.
4. The electronic fence as claimed in claim 3, wherein the preset deployment area comprises a non-alarm circular dead zone with the laser radar light curtain device as a center and a preset radius length, and the master controller triggers the alarm device to alarm when the intruder intrudes into the preset deployment area and is not in the alarm circular dead zone.
5. An electronic fence as claimed in claim 1, wherein the master controller further comprises:
the timing module is used for timing the invasion time of the invader when the laser radar light curtain device detects that illegal invasion exists in the scanning surface;
the main controller triggers the alarm device to give an alarm when the intrusion position of the intruder is in a preset defense distribution area and the intrusion time of the intruder is more than or equal to a preset time threshold value.
6. The electronic fence as claimed in claim 4, further comprising a manual interaction device connected to the master controller, wherein the manual interaction device comprises a control panel for adjusting the boundary coordinate parameters of the preset arming area, and a display device for displaying the boundary coordinate parameters of the preset arming area is disposed on the control panel.
7. An electronic fence as claimed in claim 1, wherein the lidar light curtain apparatus is embodied as a laser scanner comprising a battery assembly, an external power supply interface, a motor and a laser generator.
8. An electronic fence as claimed in any one of claims 1 to 7, further comprising alignment means for aligning the deployment of said lidar light curtain means;
the alignment device comprises a laser indicator used for aligning the vertical degree of the laser radar light curtain device and a level gauge used for aligning the levelness of the laser radar light curtain device.
9. The electronic fence as claimed in claim 6, wherein the master controller comprises an MCU chip, a micropower infinite encryption communication module, a control panel interface for connecting with the control panel, an alarm device interface for connecting with the alarm device and a communication interface for connecting with the lidar light curtain device.
10. An electronic fence according to claim 8, wherein the alarm device is embodied as a sound and light alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921906436.1U CN210515561U (en) | 2019-11-06 | 2019-11-06 | Electronic fence |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921906436.1U CN210515561U (en) | 2019-11-06 | 2019-11-06 | Electronic fence |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083421A (en) * | 2020-09-11 | 2020-12-15 | 中国民航科学技术研究院 | Runway intrusion early warning system and method based on millimeter wave radar technology |
| CN114299680A (en) * | 2022-02-15 | 2022-04-08 | 广东电网有限责任公司 | GIS-based electric power field operation safety monitoring method and system |
-
2019
- 2019-11-06 CN CN201921906436.1U patent/CN210515561U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083421A (en) * | 2020-09-11 | 2020-12-15 | 中国民航科学技术研究院 | Runway intrusion early warning system and method based on millimeter wave radar technology |
| CN112083421B (en) * | 2020-09-11 | 2021-03-30 | 中国民航科学技术研究院 | Runway intrusion early warning system and method based on millimeter wave radar technology |
| CN114299680A (en) * | 2022-02-15 | 2022-04-08 | 广东电网有限责任公司 | GIS-based electric power field operation safety monitoring method and system |
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