CN112523530A - Building top safety protection system and method - Google Patents
Building top safety protection system and method Download PDFInfo
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- CN112523530A CN112523530A CN202011199120.0A CN202011199120A CN112523530A CN 112523530 A CN112523530 A CN 112523530A CN 202011199120 A CN202011199120 A CN 202011199120A CN 112523530 A CN112523530 A CN 112523530A
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- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 230000009471 action Effects 0.000 claims abstract description 30
- 230000009191 jumping Effects 0.000 claims abstract description 20
- 238000004806 packaging method and process Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 43
- 238000001914 filtration Methods 0.000 claims description 30
- 238000003384 imaging method Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000007480 spreading Effects 0.000 claims description 7
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- 230000004069 differentiation Effects 0.000 claims description 6
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/22—Devices for lowering persons from buildings or the like by making use of jumping devices, e.g. jumping-sheets, jumping-mattresses
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- G06T5/73—
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Abstract
The invention relates to a building top safety protection system, comprising: the first transceiving mechanism is arranged at the top of a building in the parachute jumping area and used for sending an action trigger signal when a target approaching instruction is received and the received personnel positioning data are matched with satellite navigation data of the building; the emergency protection equipment is used for implementing corresponding emergency protection operation when receiving the action trigger signal; and the second transceiver mechanism is worn by a parachuting person and used for packaging and wirelessly transmitting the target approaching instruction and the personnel positioning data. The invention also relates to a safety protection method for the top of the building. The building top safety protection system and the method provided by the invention are stable in operation, safe and reliable. Because can set up safety protection mechanism at the top of the regional building of parachute jumping to in time trigger the safety protection action when detecting that the top has nearer parachute jumping personnel, thereby reduced the impaired degree of parachute jumping personnel and building.
Description
Technical Field
The invention relates to the field of building protection, in particular to a building top safety protection system and a building top safety protection method.
Background
Buildings are a general term for buildings and structures. The artificial environment is created by people by using the grasped substance technical means and applying certain scientific laws, geomantic omen and aesthetic rules in order to meet the needs of social life. Some categories distinguish buildings from non-architectural structures that people do not occupy for a long time in order to clearly express usability, and some architects also intend to subdivide buildings created with people conscious appearance into "buildings" (Architecture) in order to avoid confusion. It should be noted that sometimes buildings may also be extended to include "non-building structures" such as bridges, towers, tunnels, etc.
Buildings have both broad and narrow meanings. Building in the broad sense means everything that is constructed artificially, including both houses and structures. The building in the narrow sense means a house, and does not include a structure. The house is a space place which is provided with a foundation, a wall, a roof, a door and a window and can shield wind and rain, and people can live in, work, study, entertainment, store articles or perform other activities. Building related specialties are generally defined by the meaning of buildings in a narrow sense. Unlike buildings, which have no internal space for people to use, people do not usually perform production and living activities directly inside, such as chimneys, water towers, bridges, dams, sculptures, etc.
Currently, for some buildings in the parachute area, no safety protection measures are designed on the top of the buildings, so that once a parachute operator operates the buildings by mistake or a parachute facility fails, an accident that the top of the building is impacted by the parachute operator may occur, and if the accident occurs, serious damage can be caused to the buildings and the parachute operator.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a building top safety protection system and a building top safety protection method, which can be used for arranging a safety protection mechanism at the top of a building in a parachute jumping area so as to trigger safety protection action in time when a relatively close parachute jumping person is detected to exist above the safety protection mechanism, thereby reducing the damage degree of the parachute jumping person and the building.
Therefore, the present invention needs to have at least two important points:
(1) when the visual analysis mechanism worn by the parachutist identifies the building appearance of a preset parachuting area in a overlooking mode and the distance is short, the corresponding building is controlled to perform corresponding safety protection measures including opening the outer part of the cushion package;
(2) when the emergency protection equipment of the building in the parachute jumping area receives the action trigger signal, the corresponding emergency protection operation is implemented by the following steps: when the emergency protective equipment is a plurality of upholstered structures, spreading the plurality of upholstered structures around the roof of the building.
According to an aspect of the present invention, there is provided a building roof security system, the system comprising:
the first transceiving mechanism is arranged at the top of a building in the parachute jumping area and used for sending an action trigger signal when a target approaching instruction is received and the received personnel positioning data are matched with satellite navigation data of the building;
the emergency protection equipment is arranged around the first transceiving mechanism and used for implementing corresponding emergency protection operation when receiving the action trigger signal;
the second transceiver mechanism is worn by a parachutist and is used for packaging and wirelessly sending the target approaching instruction and the personnel positioning data to the first transceiver mechanism when receiving the target approaching instruction;
the navigation positioning equipment is arranged near the second transceiver mechanism and used for outputting the current positioning data of the parachuting personnel where the second transceiver mechanism is located as personnel positioning data;
the scene acquisition mechanism is arranged at the leg of the parachutist and used for executing image data acquisition action on a scene below the parachutist so as to obtain a corresponding lower scene image;
the guiding filtering equipment is connected with the scene acquisition mechanism and used for executing guiding filtering processing on the received lower scene image so as to obtain and output a corresponding guiding filtering image;
the dynamic processing device is connected with the guide filtering device and used for executing white balance processing based on a dynamic threshold value on the received guide filtering image so as to obtain and output a corresponding dynamic processing image;
the data sharpening device is connected with the dynamic processing device and is used for carrying out spatial differentiation sharpening processing on the received dynamic processing image so as to obtain and output a corresponding data sharpened image;
the object identification mechanism is respectively connected with the second transceiver mechanism and the data sharpening device and is used for identifying each building in the data sharpened image and sending a target approaching instruction when the shape of one building is matched with the shape of the top view of the building in the parachute jumping area and the imaging depth is less than a preset depth threshold;
wherein, when receiving the action trigger signal, implementing a corresponding emergency protection operation comprises: when the emergency protective equipment is a plurality of upholstered structures, spreading the plurality of upholstered structures around the roof of the building.
According to another aspect of the present invention, there is also provided a method of securing a building roof, the method comprising:
the method comprises the steps that a first transceiver is used and arranged at the top of a building in a parachute jumping area, and is used for sending an action trigger signal when a target approaching instruction is received and received personnel positioning data are matched with satellite navigation data of the building;
using emergency protection equipment arranged around the first transceiving mechanism and used for implementing corresponding emergency protection operation when receiving the action trigger signal;
the second transceiver is worn by the parachutists and used for packaging and wirelessly sending the target approaching instruction and the personnel positioning data to the first transceiver when receiving the target approaching instruction;
the navigation positioning equipment is arranged near the second transceiver and used for outputting the current positioning data of the parachuting personnel where the second transceiver is located as personnel positioning data;
the system comprises a using scene acquisition mechanism, a scene acquisition mechanism and a scene acquisition mechanism, wherein the using scene acquisition mechanism is arranged on the leg of a parachutist and is used for executing image data acquisition action on a scene below the parachutist so as to obtain a corresponding lower scene image;
the guiding filtering equipment is connected with the scene acquisition mechanism and used for executing guiding filtering processing on the received lower scene image so as to obtain and output a corresponding guiding filtering image;
using a dynamic processing device, connected to the guiding filtering device, for performing white balance processing based on a dynamic threshold on the received guiding filtering image to obtain and output a corresponding dynamic processing image;
the data sharpening device is connected with the dynamic processing device and used for carrying out spatial differentiation sharpening processing on the received dynamic processing image so as to obtain and output a corresponding data sharpened image;
the object identification mechanism is respectively connected with the second transceiving mechanism and the data sharpening device and used for identifying each building in the data sharpened image and sending a target approaching instruction when the shape of one building is matched with the shape of the top view of the building in the parachuting area and the imaging depth is less than a preset depth threshold;
wherein, when receiving the action trigger signal, implementing a corresponding emergency protection operation comprises: when the emergency protective equipment is a plurality of upholstered structures, spreading the plurality of upholstered structures around the roof of the building.
The building top safety protection system and the method provided by the invention are stable in operation, safe and reliable. Because can set up safety protection mechanism at the top of the regional building of parachute jumping to in time trigger the safety protection action when detecting that the top has nearer parachute jumping personnel, thereby reduced the impaired degree of parachute jumping personnel and building.
Detailed Description
Embodiments of the building top security system and method of the present invention will now be described in detail.
Satellite navigation (Satellite navigation) refers to a technology for navigating and positioning users on the ground, the sea, the air and the space by using a navigation Satellite. Common GPS navigation, Beidou satellite navigation and the like are satellite navigation.
The technology of using navigation satellite to carry out navigation positioning on users on ground, sea, air and space. Navigation using the sun, moon and other natural celestial bodies has been known for thousands of years, and the concept of navigation by artificial celestial bodies, although proposed as early as the second half of the 19 th century, has not been realized until the 60's of the 20 th century. In 1964, a satellite navigation system of a meridian instrument is built in the United states and is delivered to the navy for use, and civilian use is started in 1967. In 1973, the "navigation star" global positioning system was developed. The soviet union also established a similar satellite navigation system. Research and experimental work on satellite navigation is also carried out in france, japan, and china. The satellite navigation integrates the advantages of the traditional navigation system, and truly realizes global high-precision passive navigation and positioning under various weather conditions. In particular, the time ranging satellite navigation system not only can provide continuous three-dimensional coverage, high-precision three-dimensional positioning and speed measurement in global and near-earth space, but also has strong anti-interference capability. In practice, satellite navigation technology can be used in various application fields.
Currently, for some buildings in the parachute area, no safety protection measures are designed on the top of the buildings, so that once a parachute operator operates the buildings by mistake or a parachute facility fails, an accident that the top of the building is impacted by the parachute operator may occur, and if the accident occurs, serious damage can be caused to the buildings and the parachute operator.
In order to overcome the defects, the invention builds a system and a method for protecting the top of the building, and can effectively solve the corresponding technical problems.
The building top safety protection system shown according to the embodiment of the invention comprises:
the first transceiving mechanism is arranged at the top of a building in the parachute jumping area and used for sending an action trigger signal when a target approaching instruction is received and the received personnel positioning data are matched with satellite navigation data of the building;
the emergency protection equipment is arranged around the first transceiving mechanism and used for implementing corresponding emergency protection operation when receiving the action trigger signal;
the second transceiver mechanism is worn by a parachutist and is used for packaging and wirelessly sending the target approaching instruction and the personnel positioning data to the first transceiver mechanism when receiving the target approaching instruction;
the navigation positioning equipment is arranged near the second transceiver mechanism and used for outputting the current positioning data of the parachuting personnel where the second transceiver mechanism is located as personnel positioning data;
the scene acquisition mechanism is arranged at the leg of the parachutist and used for executing image data acquisition action on a scene below the parachutist so as to obtain a corresponding lower scene image;
the guiding filtering equipment is connected with the scene acquisition mechanism and used for executing guiding filtering processing on the received lower scene image so as to obtain and output a corresponding guiding filtering image;
the dynamic processing device is connected with the guide filtering device and used for executing white balance processing based on a dynamic threshold value on the received guide filtering image so as to obtain and output a corresponding dynamic processing image;
the data sharpening device is connected with the dynamic processing device and is used for carrying out spatial differentiation sharpening processing on the received dynamic processing image so as to obtain and output a corresponding data sharpened image;
the object identification mechanism is respectively connected with the second transceiver mechanism and the data sharpening device and is used for identifying each building in the data sharpened image and sending a target approaching instruction when the shape of one building is matched with the shape of the top view of the building in the parachute jumping area and the imaging depth is less than a preset depth threshold;
wherein, when receiving the action trigger signal, implementing a corresponding emergency protection operation comprises: when the emergency protective equipment is a plurality of upholstered structures, spreading the plurality of upholstered structures around the roof of the building.
Next, the detailed structure of the building top safety protection system of the present invention will be further described.
In the building roof safety protection system:
the object identification mechanism is further configured to issue a person deviation instruction when none of the outlines of the buildings in the data sharpened image match the shapes of the top views of the buildings in the parachuting area.
In the building roof safety protection system:
the object identification mechanism is further used for sending out a target far instruction when the imaging depth of field of each building in the data sharpened image is deeper than or equal to the preset depth of field threshold value.
In the building roof safety protection system:
the second transceiver is also used for packaging and wirelessly sending the personnel deviation instruction and the personnel positioning data to the first transceiver when the personnel deviation instruction is received;
the second transceiver is further configured to wirelessly transmit the object moving-away instruction and the personnel positioning data package to the first transceiver when receiving the object moving-away instruction.
In the building roof safety protection system:
the first transceiver mechanism further comprises an unpacking unit for unpacking the received data packet to obtain the target approaching instruction and the personnel positioning data.
The method for protecting the top of the building according to the embodiment of the invention comprises the following steps:
the method comprises the steps that a first transceiver is used and arranged at the top of a building in a parachute jumping area, and is used for sending an action trigger signal when a target approaching instruction is received and received personnel positioning data are matched with satellite navigation data of the building;
using emergency protection equipment arranged around the first transceiving mechanism and used for implementing corresponding emergency protection operation when receiving the action trigger signal;
the second transceiver is worn by the parachutists and used for packaging and wirelessly sending the target approaching instruction and the personnel positioning data to the first transceiver when receiving the target approaching instruction;
the navigation positioning equipment is arranged near the second transceiver and used for outputting the current positioning data of the parachuting personnel where the second transceiver is located as personnel positioning data;
the system comprises a using scene acquisition mechanism, a scene acquisition mechanism and a scene acquisition mechanism, wherein the using scene acquisition mechanism is arranged on the leg of a parachutist and is used for executing image data acquisition action on a scene below the parachutist so as to obtain a corresponding lower scene image;
the guiding filtering equipment is connected with the scene acquisition mechanism and used for executing guiding filtering processing on the received lower scene image so as to obtain and output a corresponding guiding filtering image;
using a dynamic processing device, connected to the guiding filtering device, for performing white balance processing based on a dynamic threshold on the received guiding filtering image to obtain and output a corresponding dynamic processing image;
the data sharpening device is connected with the dynamic processing device and used for carrying out spatial differentiation sharpening processing on the received dynamic processing image so as to obtain and output a corresponding data sharpened image;
the object identification mechanism is respectively connected with the second transceiving mechanism and the data sharpening device and used for identifying each building in the data sharpened image and sending a target approaching instruction when the shape of one building is matched with the shape of the top view of the building in the parachuting area and the imaging depth is less than a preset depth threshold;
wherein, when receiving the action trigger signal, implementing a corresponding emergency protection operation comprises: when the emergency protective equipment is a plurality of upholstered structures, spreading the plurality of upholstered structures around the roof of the building.
Next, the concrete steps of the building top safety protection method of the present invention will be further described.
The safety protection method for the top of the building comprises the following steps:
the object identification mechanism is further configured to issue a person deviation instruction when none of the outlines of the buildings in the data sharpened image match the shapes of the top views of the buildings in the parachuting area.
The safety protection method for the top of the building comprises the following steps:
the object identification mechanism is further used for sending out a target far instruction when the imaging depth of field of each building in the data sharpened image is deeper than or equal to the preset depth of field threshold value.
The safety protection method for the top of the building comprises the following steps:
the second transceiver is also used for packaging and wirelessly sending the personnel deviation instruction and the personnel positioning data to the first transceiver when the personnel deviation instruction is received;
the second transceiver is further configured to wirelessly transmit the object moving-away instruction and the personnel positioning data package to the first transceiver when receiving the object moving-away instruction.
The safety protection method for the top of the building comprises the following steps:
the first transceiver mechanism further comprises an unpacking unit for unpacking the received data packet to obtain the target approaching instruction and the personnel positioning data.
In addition, the second transceiver and the second transceiver both adopt a WIFI communication mechanism. WIFI is a technology that allows an electronic device to connect to a Wireless Local Area Network (WLAN), typically using the 2.4G UHF or 5G SHF ISM radio frequency bands. Connecting to a wireless local area network is typically password protected; but may be open, allowing any device within range of the WLAN to connect. WIFI is a brand of wireless network communication technology, held by the WIFI alliance. The object is to improve the interoperability between wireless network products based on the IEEE802.11 standard. Local area networks using the IEEE802.11 family of protocols are known as wireless fidelity. Even WIFI is equated to the wireless internet (WIFI is an important component of WLAN).
Finally, it should be noted that each functional device in the embodiments of the present invention may be integrated into one processing device, or each device may exist alone physically, or two or more devices may be integrated into one device.
The functions, if implemented in the form of software-enabled devices and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A building roof safety protection system, characterized in that the system comprises:
the first transceiving mechanism is arranged at the top of a building in the parachute jumping area and used for sending an action trigger signal when a target approaching instruction is received and the received personnel positioning data are matched with satellite navigation data of the building;
the emergency protection equipment is arranged around the first transceiving mechanism and used for implementing corresponding emergency protection operation when receiving the action trigger signal;
the second transceiver mechanism is worn by a parachutist and is used for packaging and wirelessly sending the target approaching instruction and the personnel positioning data to the first transceiver mechanism when receiving the target approaching instruction;
the navigation positioning equipment is arranged near the second transceiver mechanism and used for outputting the current positioning data of the parachuting personnel where the second transceiver mechanism is located as personnel positioning data;
the scene acquisition mechanism is arranged at the leg of the parachutist and used for executing image data acquisition action on a scene below the parachutist so as to obtain a corresponding lower scene image;
the guiding filtering equipment is connected with the scene acquisition mechanism and used for executing guiding filtering processing on the received lower scene image so as to obtain and output a corresponding guiding filtering image;
the dynamic processing device is connected with the guide filtering device and used for executing white balance processing based on a dynamic threshold value on the received guide filtering image so as to obtain and output a corresponding dynamic processing image;
the data sharpening device is connected with the dynamic processing device and is used for carrying out spatial differentiation sharpening processing on the received dynamic processing image so as to obtain and output a corresponding data sharpened image;
the object identification mechanism is respectively connected with the second transceiver mechanism and the data sharpening device and is used for identifying each building in the data sharpened image and sending a target approaching instruction when the shape of one building is matched with the shape of the top view of the building in the parachute jumping area and the imaging depth is less than a preset depth threshold;
wherein, when receiving the action trigger signal, implementing a corresponding emergency protection operation comprises: when the emergency protective equipment is a plurality of upholstered structures, spreading the plurality of upholstered structures around the roof of the building.
2. The building roof safety system of claim 1, wherein:
the object identification mechanism is further configured to issue a person deviation instruction when none of the outlines of the buildings in the data sharpened image match the shapes of the top views of the buildings in the parachuting area.
3. The building roof safety system of claim 2, wherein:
the object identification mechanism is further used for sending out a target far instruction when the imaging depth of field of each building in the data sharpened image is deeper than or equal to the preset depth of field threshold value.
4. The building roof safety system of claim 3, wherein:
the second transceiver is also used for packaging and wirelessly sending the personnel deviation instruction and the personnel positioning data to the first transceiver when the personnel deviation instruction is received;
the second transceiver is further configured to wirelessly transmit the object moving-away instruction and the personnel positioning data package to the first transceiver when receiving the object moving-away instruction.
5. The building roof safety system of claim 4, wherein:
the first transceiver mechanism further comprises an unpacking unit for unpacking the received data packet to obtain the target approaching instruction and the personnel positioning data.
6. A method of securing a building roof, the method comprising:
the method comprises the steps that a first transceiver is used and arranged at the top of a building in a parachute jumping area, and is used for sending an action trigger signal when a target approaching instruction is received and received personnel positioning data are matched with satellite navigation data of the building;
using emergency protection equipment arranged around the first transceiving mechanism and used for implementing corresponding emergency protection operation when receiving the action trigger signal;
the second transceiver is worn by the parachutists and used for packaging and wirelessly sending the target approaching instruction and the personnel positioning data to the first transceiver when receiving the target approaching instruction;
the navigation positioning equipment is arranged near the second transceiver and used for outputting the current positioning data of the parachuting personnel where the second transceiver is located as personnel positioning data;
the system comprises a using scene acquisition mechanism, a scene acquisition mechanism and a scene acquisition mechanism, wherein the using scene acquisition mechanism is arranged on the leg of a parachutist and is used for executing image data acquisition action on a scene below the parachutist so as to obtain a corresponding lower scene image;
the guiding filtering equipment is connected with the scene acquisition mechanism and used for executing guiding filtering processing on the received lower scene image so as to obtain and output a corresponding guiding filtering image;
using a dynamic processing device, connected to the guiding filtering device, for performing white balance processing based on a dynamic threshold on the received guiding filtering image to obtain and output a corresponding dynamic processing image;
the data sharpening device is connected with the dynamic processing device and used for carrying out spatial differentiation sharpening processing on the received dynamic processing image so as to obtain and output a corresponding data sharpened image;
the object identification mechanism is respectively connected with the second transceiving mechanism and the data sharpening device and used for identifying each building in the data sharpened image and sending a target approaching instruction when the shape of one building is matched with the shape of the top view of the building in the parachuting area and the imaging depth is less than a preset depth threshold;
wherein, when receiving the action trigger signal, implementing a corresponding emergency protection operation comprises: when the emergency protective equipment is a plurality of upholstered structures, spreading the plurality of upholstered structures around the roof of the building.
7. The building top safety protection method as claimed in claim 6, wherein:
the object identification mechanism is further configured to issue a person deviation instruction when none of the outlines of the buildings in the data sharpened image match the shapes of the top views of the buildings in the parachuting area.
8. The building top safety protection method as claimed in claim 7, wherein:
the object identification mechanism is further used for sending out a target far instruction when the imaging depth of field of each building in the data sharpened image is deeper than or equal to the preset depth of field threshold value.
9. The building top safety protection method as claimed in claim 8, wherein:
the second transceiver is also used for packaging and wirelessly sending the personnel deviation instruction and the personnel positioning data to the first transceiver when the personnel deviation instruction is received;
the second transceiver is further configured to wirelessly transmit the object moving-away instruction and the personnel positioning data package to the first transceiver when receiving the object moving-away instruction.
10. The building top safety protection method as claimed in claim 9, wherein:
the first transceiver mechanism further comprises an unpacking unit for unpacking the received data packet to obtain the target approaching instruction and the personnel positioning data.
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CN103689825A (en) * | 2013-12-03 | 2014-04-02 | 中国科学院深圳先进技术研究院 | Parachuting protective garment |
CN110827577A (en) * | 2019-04-11 | 2020-02-21 | 刘剑 | Early warning system based on parameter identification |
CN111028542A (en) * | 2019-04-10 | 2020-04-17 | 泰州阿法光电科技有限公司 | Customized object early warning control device |
CN111652027A (en) * | 2019-09-20 | 2020-09-11 | 任元华 | Silent vehicle instant recognition platform |
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US20020166925A1 (en) * | 2001-05-11 | 2002-11-14 | Benney Richard J. | Soft landing assembly for a parachute |
CN103689825A (en) * | 2013-12-03 | 2014-04-02 | 中国科学院深圳先进技术研究院 | Parachuting protective garment |
CN111028542A (en) * | 2019-04-10 | 2020-04-17 | 泰州阿法光电科技有限公司 | Customized object early warning control device |
CN110827577A (en) * | 2019-04-11 | 2020-02-21 | 刘剑 | Early warning system based on parameter identification |
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