CN115230913A - Drowning prevention system - Google Patents

Drowning prevention system Download PDF

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Publication number
CN115230913A
CN115230913A CN202211140087.3A CN202211140087A CN115230913A CN 115230913 A CN115230913 A CN 115230913A CN 202211140087 A CN202211140087 A CN 202211140087A CN 115230913 A CN115230913 A CN 115230913A
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CN
China
Prior art keywords
water area
character sequence
opening
magic tape
person
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Granted
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CN202211140087.3A
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Chinese (zh)
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CN115230913B (en
Inventor
徐峰
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Nanchang Cloud Guardian Technology Co ltd
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Nanchang Cloud Guardian Technology Co ltd
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Priority to CN202211140087.3A priority Critical patent/CN115230913B/en
Publication of CN115230913A publication Critical patent/CN115230913A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/082—Annular or U-shaped life-buoys intended to be thrown to persons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/22—Devices for holding or launching life-buoys, inflatable life-rafts, or other floatable life-saving equipment
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/26—Speech to text systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Abstract

The invention relates to the technical field of drowning prevention, in particular to a drowning prevention system. The system comprises a rescue device, wherein the rescue device controls the rotation of a gear to apply mechanical force to an ejection rod through a driving mechanism so as to enable the ejection rod to displace; stop gear sets up right through the rotation of gear, the rotation of cam and the flexible cooperation of spring the bullet pole carries on spacingly, and launching mechanism launches life-saving equipment under the effect of spring through the bullet pole, accomplishes life-saving equipment's throw, has realized that the timely automatic rescue when drowned takes place in the control waters has improved the effect of preventing drowning.

Description

Drowning prevention system
Technical Field
The invention relates to the technical field of drowning prevention, in particular to a drowning prevention system.
Background
Drowning accidents occur frequently in hot summer, and the life safety of people is seriously threatened, so that the drowning accidents need to be rescued in time.
The patent document with the publication number of CN107655547B discloses a drowning prevention marker post system, which comprises a middle marker post, an edge marker post and a flexible shaft, wherein the middle marker post and the edge marker post are both in a circular tube shape, slide ways are arranged on the tube wall of the middle marker post and the edge marker post, a floater and a slide mark are arranged outside the tube wall of the middle marker post and the edge marker post, and the floater and the slide mark penetrate through the slide ways on the tube wall through slide strips on the inner wall of a circular ring of the floater and the slide mark and extend into the tube cavities of the middle marker post and the edge marker post; the inner walls of the tube cavities of the middle marker post and the side marker post are respectively provided with an upper baffle, a lower baffle, a core rod and a bevel gear set, the hollow end of the slide bar is lapped in the groove of the core rod, the outer end of a flexible shaft is connected to the core rod at the center of the side marker post, and the inner end of the flexible shaft is connected to the bevel gear.
The prior art shows the bank side through what will understand the water level elevation condition of the deepest in waters center, warns people the danger in this waters, nevertheless has to ignore the warning still gets into the people in dangerous waters, consequently has lower drowning prevention effect.
Disclosure of Invention
Therefore, the invention provides a drowning prevention system which can solve the problem of low drowning prevention effect.
In order to achieve the above object, the present invention provides a drowning prevention system, the rescue device including:
the driving mechanism is used for applying mechanical force to the ejection rod to enable the ejection rod to displace;
the limiting mechanism is used for limiting the ejection rod;
the launching mechanism is used for launching the lifesaving equipment through the ejection rod, and the lifesaving equipment is spherical;
the supporting mechanism is used for supporting the driving mechanism, the limiting mechanism and the launching mechanism;
the driving mechanism comprises a base, a first clamping pin, a first cam rod and a first cam, the first clamping pin comprises a first spring and a second gear, the first clamping pin is connected with the base, the first spring is connected with the base, the first cam rod is connected with the base, the first cam is installed at the top end of the first cam rod, and the second gear is installed at the top end of the first clamping pin.
Further, the spherical lifesaving equipment is automatically inflated and unfolded when meeting water.
Further, spherical lifesaving equipment includes that self-inflating lifesaving package, spherical shell, first magic are pasted strip, second magic are pasted strip, first magic are pasted and are detained, second magic is pasted and detain, fixed knot, connection rope, fourth opening fifth opening and sixth opening, fourth opening and fifth opening are just right, self-inflating lifesaving package is located in the cavity that fourth opening and fifth opening are constituteed, first magic is pasted strip and second magic is pasted the strip and is located on the spherical shell just the both ends of first magic tape and second magic tape are connected to respectively on fourth opening and the fifth opening, first magic tape and second magic tape are followed the axis direction of the cavity that fourth opening and fifth opening are constituteed sets up, first magic tape and second magic tape are adhered to each other, first magic tape with second magic tape is pasted the knot and is located sixth open-ended, second magic tape with first magic tape and second magic tape is pasted the adhesion and is connected the other side of first magic tape and second magic tape are connected the magic tape is pasted the other side of the fixed magic tape and is pasted with the second magic tape and is connected the magic tape is pasted with the second magic tape and is connected the magic tape is pasted the magic tape and is connected with the first magic tape the magic tape is pasted the magic tape and is connected with the second magic tape the fixed magic tape is connected with the one side of sixth opening.
Further, the limiting mechanism comprises a first gear, a first rack, a second bayonet lock, a second cam rod and a second cam, the first gear is meshed with the first rack, the second bayonet lock comprises a second spring, the second bayonet lock is connected with the first rack, the second cam is installed at the top end of the second cam rod, the second cam rod is connected with the base, the first rack is connected to the base in a sliding mode, and the central axis of the first rack in the length direction deviates from the central axis of the second cam rod in the length direction of the first rack.
Further, the launching mechanism includes the launching tube, the launching tube includes spout, second rack, bullet pole, third spring, bullet pole dogtooth, first opening, third bayonet lock, fourth bayonet lock, second opening and third opening, the acute angle contained angle of launching tube and horizontal plane is 30, the spout with the cooperation of second bayonet lock, the second rack with the meshing of second gear, the second rack is installed on the bullet pole, the third spring with the launching tube is connected, the third spring housing in on the bullet pole, bullet pole dogtooth with the laminating of second bayonet lock, first opening with the cooperation of bullet pole, the third bayonet lock with the cooperation of second opening, the fourth bayonet lock with the cooperation of third opening.
Further, the third bayonet lock includes pin, fourth spring, iron core and wire winding, the pin with the cooperation of second opening, fourth spring both ends respectively with the pin with the iron core is connected, the wire winding is in on the iron core, the third bayonet lock is used for spacing second life-saving equipment, the fourth bayonet lock is used for spacing third life-saving equipment.
Furthermore, the supporting mechanism comprises a supporting seat, the supporting seat is rotatably connected with a third supporting rod through a bearing, a third gear is arranged on the third supporting rod, the third gear is fixedly connected with the third supporting rod, the third gear is meshed with a fourth gear, the fourth gear is connected with a motor, the motor is fixed on the supporting seat, and the transmitting tube is fixedly connected with the base through a first supporting rod and a second supporting rod.
Further, the drowning prevention system provided by the invention further comprises: the system comprises a camera and a server, wherein the camera is used for acquiring real-time dynamic video images of a monitored water area, the server comprises an identification module and a calculation module, the identification module is used for analyzing the video images to obtain an analysis result, sending an instruction to a rescue device according to the analysis result to enable the rescue device to throw lifesaving equipment to a target water area position, the calculation module is used for calculating an initial speed V of the rescue device for launching the lifesaving equipment according to the analysis result, and calculating a distance S of a third spring to be compressed according to the initial launching speed V.
Further, the recognition module comprises a voice recognition unit and an action recognition unit,
the voice recognition unit adopts a long voice recognition technology and is used for optimizing a video scene, recognizing voice call-for-help content in a video and judging whether a person in a water area drowns, wherein the optimization is to reduce the noise of the collected voice to obtain clear human language vocabulary information, the noise reduction is to collect at least one water splash voice on the water surface in advance, convert the water splash voice into a water splash character sequence, convert all voice information into a total character sequence after collecting all voice information on the water area site, deduct a character sequence with the coincidence degree of the total character sequence being more than or equal to 85% from the water splash character sequence, read the character sequence remaining from the total character sequence after deduction, realize the recognition of the voice call-for-help content in the video, and judge that the person in the water area drowns if the coincidence degree of the remaining character sequence of the total character sequence after deduction is more than or equal to 80% from a preset first target character sequence.
The action recognition unit is used for recognizing the information of the limbs of the person in the image, tracking, positioning and attribute recognition of the person, judging whether the person in the water area drowns or not, recognizing the person and the environment through an infrared sensor by tracking, wherein the infrared sensor is arranged in the camera, positioning is to determine the propagation center of at least one water surface wave through the shape of the water surface wave and the propagation speed of the water surface wave by an AI algorithm, the attribute recognition is to judge whether the person in the water area drowns or not according to the AI algorithm, judging the person action character sequence collected by the person in the water area by setting a first target human action character sequence, judging that the person in the water area drowns if the coincidence degree of the collected person action character sequence of the person in the water area and the first target human action character sequence is more than or equal to 80%, and judging that the person in the water area drowns or not if the coincidence degree of the collected person action character sequence of the person in the water area and the first target human action character sequence is less than 20%.
Further, if the voice recognition unit and the action recognition unit simultaneously judge that the person in the water area drowns, the recognition module sends an instruction to the rescue device to throw the life-saving equipment to a target water area position, the target water area position of the rescue device is within 1 meter of the propagation center of the at least one water surface wave, after the rescue device throws the life-saving equipment to the target water area position, the action recognition unit recognizes the limb action of the drowned person, judges the human action character sequence of the person collected in the water area by setting a second target human action character sequence, judges that the person in the water area takes the life-saving equipment if the coincidence degree of the human action character sequence of the person collected in the water area and the second target human action character sequence is greater than or equal to 80%, judges that the person in the water area does not take the thrown life-saving equipment if the coincidence degree of the human action character sequence of the person collected in the water area and the second target human action character sequence is less than 20%, the recognition module continues to send an instruction to the rescue device, and the rescue device continues to throw the target water area.
Compared with the prior art, the drowning state judgment method has the advantages that human voice recognition and human action recognition are carried out on a monitored water area through the recognition module, the drowning state is judged, the distance of the drowning water area and parameters needed by the rescue device are calculated through the calculation module, a rescue instruction is issued to the rescue device in time, the ejection rod is driven by the driving mechanism of the rescue device to be displaced, the position of the ejection rod is limited by the limiting mechanism, the ejection rod is ejected by the ejecting mechanism, the throwing of the lifesaving equipment is completed, the drowning accident in time of the monitored water area is automatically rescued, and the drowning prevention effect is improved.
Especially, provide drive power to the ejection rod through setting up actuating mechanism, make the ejection rod take place the displacement, inject the position of the ejection rod of taking place the displacement through stop gear, when spacing disappearance, launching mechanism launches the ejection rod, has realized life-saving equipment's throwing, carries out timely automatic rescue to drowned accident site, has improved the effect of preventing drowning.
Especially, the meshing through between the gear provides drive power to the ejection pole, provides the power of transmission to the ejection pole through the compression of spring, carries out the meshing of gear and removes the meshing through the cam, carries out stop gear's spacing and removes spacing through the cam, and rescue device simple structure is high-efficient, and is not fragile, has longer life in the outdoor environment in monitoring waters, has improved the drowned effect of preventing.
Especially, realize incessantly carrying out real time video monitoring to monitoring waters throughout the day through setting up the camera, the identification module of server discerns human sound information and limbs action information, judges drowned condition, and calculation module calculates the parameter of rescue device according to drowned condition automatically for throw life-saving equipment in target waters position, improved the promptness and the accurate nature of drowned accident rescue.
Particularly, the human voice of the monitored water area is recognized through a long voice recognition technology, the optimized voice information displays the human voice information of the target water area, and the drowning state obtained by human action recognition is combined, so that the recognition efficiency and accuracy are improved.
Through throwing the lifesaving equipment to the waters that takes place drowning accident to discerning human pronunciation and action after throwing the lifesaving equipment, carrying out further discernment affirmation to drowning personnel's state, ensure that drowning personnel obtain the lifesaving equipment, if drowning personnel do not in time obtain the lifesaving equipment, the lifesaving equipment is thrown once more that the rescue device will be timely, has improved timeliness and success rate to drowning accident rescue.
Drawings
Fig. 1 is a schematic structural diagram of a rescue device of a drowning prevention system provided by the invention;
FIG. 2 is a schematic diagram of a third latch according to an embodiment of the present invention;
fig. 3 is a front view schematically illustrating the life saving equipment according to the embodiment of the invention;
fig. 4 is a schematic three-dimensional structure of a lifesaving device in an embodiment of the invention;
fig. 5 is a schematic view of a part a of the sectional structure in fig. 4 of the lifesaving device in an embodiment of the invention;
fig. 6 is a schematic structural diagram of the life-saving equipment automatically unfolded in the presence of water in the embodiment of the invention.
Reference numerals: 1-a base; 2-a first gear; 3-a first rack; 4-a first bayonet; 5-a first spring; 6-a first cam lever; 7-a first cam; 8-a second gear; 9-a second bayonet lock; 10-a second spring; 11-a second cam lever; 12-a second cam; 13-a chute; 14-a second rack; 15-ejection lever; 16-a third spring; 17-a launch tube; 18-ejection lever lobes; 19-a first opening; 20-a first life saving device; 21-a third bayonet; 22-a second life saving device; 23-fourth bayonet; 24-a third life saving device; 25-a second opening; 26-a third opening; 27-a pin; 28-a fourth spring; 29-a core; 30-a wire winding; 31-self-inflating lifebuoy; 32-spherical shell; 33-a first magic tape; 34-a second magic tape; 35-a first magic tape buckle; 36-a second magic tape; 37-fixing buckle; 38-a connecting rope; 39-fourth opening; 40-a fifth opening; 41-sixth opening; 42-high pressure gas cylinder; 43-a support base; 44-a bearing; 45-a third gear; 46-a fourth gear; 47-a motor; 48-a first support bar; 49-a second support bar; 50-third support bar.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and do not delimit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, the present invention provides a drowning prevention system, which includes:
the driving mechanism is used for applying mechanical force to the ejection rod to enable the ejection rod to displace;
the limiting mechanism is used for limiting the ejection rod;
the launching mechanism is used for launching the lifesaving equipment through the ejection rod;
and the supporting mechanism is used for supporting the driving mechanism, the limiting mechanism and the launching mechanism.
Particularly, the embodiment of the invention provides driving force for the ejection rod through the driving mechanism, so that the ejection rod is displaced, the position of the displaced ejection rod is limited through the limiting mechanism, and when the limitation disappears, the ejection rod is ejected out through the ejecting mechanism, so that the throwing of the lifesaving equipment is realized, the drowning accident site is automatically rescued in time, and the drowning prevention effect is improved.
In particular, spherical life-saving equipment is automatically inflated and unfolded when meeting water.
Specifically, the driving mechanism comprises a base 1, a first clamping pin 4, a first cam rod 6 and a first cam 7, wherein the first clamping pin 4 comprises a first spring 5 and a second gear 8, the first clamping pin 4 is connected with the base 1, the first spring 5 is connected with the base 1, the first cam rod 6 is connected with the base 1, the first cam 7 is arranged at the top end of the first cam rod 6, and the second gear 8 is arranged at the top end of the first clamping pin 4.
Specifically, the limiting mechanism comprises a first gear 2, a first rack 3, a second bayonet 9, a second cam rod 11 and a second cam 12, the first gear 2 is meshed with the first rack 3, the second bayonet 9 comprises a second spring 10, the second bayonet 9 is connected with the first rack 3, the second cam 12 is installed at the top end of the second cam rod 11, the second cam rod 11 is connected with the base 1, the first rack 3 is slidably connected to the base 1, and the central axis of the first rack 3 in the length direction is deviated from the central axis of the second cam rod 11 in the length direction of the first rack 3, so that the first rack 3 does not touch the second cam rod 11 when sliding relative to the base 1.
Specifically, the launching mechanism includes launching tube 17, launching tube 17 includes spout 13, second rack 14, ejection pole 15, third spring 16, ejection pole dogtooth 18, first opening 19, third bayonet 21, fourth bayonet 23, second opening 25 and third opening 26, the acute angle contained angle of launching tube and horizontal plane is 30, spout 13 with the cooperation of second bayonet 9, second rack 14 with the meshing of second gear 8, second rack 14 is installed on ejection pole 15, third spring 16 with launching tube 17 is connected, third spring 16 overlaps on ejection pole 15, ejection pole dogtooth 18 with the laminating of second bayonet 9, first opening 19 with the cooperation of ejection pole 15, third bayonet 21 with the cooperation of second opening 25, fourth bayonet 23 with the cooperation of third bayonet 26, third bayonet 21 includes dowel 27, fourth spring winding 28, iron core 29 and wire 30, pin 27 with second bayonet 25 cooperates with second opening 25, fourth bayonet 23 with the cooperation of third bayonet 26, third bayonet 21 includes lifesaving winding 27, fourth spring winding 28, iron core 29 and wire 30, second bayonet 27 and fourth bayonet 29 are used for the spacing equipment is connected to the power supply wire in the second bayonet 29, the cooperation of power supply is connected to the third bayonet 30, the spacing iron core is used for the life-saving drawing wire in the third bayonet 21 and the second bayonet 30, the cooperation of power supply is connected to the limiting device.
Specifically, the supporting mechanism includes a supporting seat 43, the supporting seat 43 is rotatably connected with a third supporting rod 50 through a bearing 44, a third gear 45 is arranged on the third supporting rod 50, the third gear 45 is fixedly connected with the third supporting rod 50, the third gear 45 is meshed with a fourth gear 46, the fourth gear 46 is connected with a motor 47, the motor 47 is fixed on the supporting seat 43, and the transmitting tube 17 is fixedly connected with the base 1 through a first supporting rod 48 and a second supporting rod 49.
Particularly, the embodiment of the invention provides driving force for the ejection rod through the engagement between the gears, provides the launching power for the ejection rod through the compression of the spring, carries out the engagement and the disengagement of the gears through the cam, carries out the limit and the disengagement of the limit mechanism through the cam, has simple and efficient structure, is not easy to damage, has longer service life in the outdoor environment of a monitoring water area, and improves the drowning prevention effect.
Specifically, when the device is used, the motor 47 is controlled to rotate to drive the fourth gear 46 to rotate, the fourth gear 46 drives the third gear 45 to rotate, the third gear 45 drives the third support rod 50 to rotate, so that the central axis of the launching tube 17 in the length direction coincides with the target water area position, the launching tube 17 faces the target water area position, and then the second gear 8 is controlled to rotate clockwise in the position shown in the figure, so that the ejection rod 15 is displaced by the length S; controlling the first gear 2 to rotate clockwise at the position shown in the figure, so that the second bayonet lock 9 generates displacement with the length of S, and at the moment, the second bayonet lock 9 is still attached to the convex tooth 18 of the ejection rod and plays a limiting role on the convex tooth 18 of the ejection rod; the first cam 7 is controlled to rotate anticlockwise in the position shown in the figure, so that the second gear 8 is disengaged from the second rack 14; controlling the second cam 12 to rotate anticlockwise in the position shown in the figure, so that the second bayonet pin 9 does not abut against the ejection rod convex tooth 18; after the convex teeth 18 of the ejection rod lose the limit of the second bayonet 9, the ejection rod 15 ejects towards the outlet direction of the launching tube 17 under the action of a third spring 16, and the first life-saving equipment 20 is ejected; after the first lifesaving device 20 is ejected, the ejection rod 15 returns to the original position under the action of gravity; controlling the first cam 7 to rotate clockwise in the position shown in the figure, so that the second gear 8 is meshed with the second rack 14; controlling the second gear 8 to rotate clockwise in the position shown in the figure, so that the ejection rod 15 generates displacement with the length S; controlling the first gear 2 to rotate anticlockwise at the position shown in the figure, so that the second bayonet lock 9 generates displacement with the length S; controlling the second cam 12 to rotate clockwise in the position shown in the figure, so that the second spring 10 is restored to the state before compression; controlling the second gear 8 to rotate anticlockwise at the position shown in the figure, so that the ejection rod 15 generates displacement with the length S, and at the moment, the second bayonet lock 9 is attached to the ejection rod convex tooth 18; the first power supply is turned on, the wire winding 30 is conductive, the iron core 29 has magnetism under the action of electromagnetic induction, the pin 27 is attracted to the iron core 29 under the action of the magnetism, the limiting effect on the second life-saving equipment 22 is lost, and the second life-saving equipment 22 falls into the emission end of the ejection rod 15 under the action of gravity; when the second power supply is turned off, the iron core 29 loses magnetism, and the pin 27 is matched with the second opening 25 under the action of the fourth spring 28 to play a limiting role; the second power is turned on, the third life-saving equipment 24 falls under the action of gravity and is limited by the pin 27, the first power and the second power are connected in parallel to the drowning prevention system, and the first power and the second power do not interfere with each other.
Specifically, the drowning prevention system provided by the invention further comprises: the system comprises a camera and a server, wherein the camera is used for collecting real-time dynamic video images of a monitored water area, the server comprises an identification module and a calculation module,
the identification module is used for analyzing the video image to obtain an analysis result, sending an instruction to the rescue device according to the analysis result to enable the rescue device to throw the lifesaving equipment to the target water area position,
and the calculating module calculates the initial launching speed V of the rescue device for launching the lifesaving equipment according to the analysis result, and calculates the distance S required to be compressed by the third spring 16 according to the initial launching speed V.
Specifically, the analysis result comprises the horizontal distance L between the rescue device and the target water area position and the vertical height H between the launching pipe launching port and the target water area position,
when the calculating module calculates the initial launching speed V of the rescuing device for launching the lifesaving equipment, the time Tx used by the spherical lifesaving equipment in the horizontal distance from launching to the position falling into the target water area can be calculated according to the horizontal distance L and the acute angle included angle between the launching tube and the horizontal plane being 30 degrees as follows:
Tx=L/(Vⅹcos30°)（a）
the vertical height H and the acute included angle between the launching tube and the horizontal plane are 30 degrees, so that the time Ty of the spherical lifesaving equipment used in the distance from launching to the vertical horizontal direction moving to fall into the target water area can be calculated, and the Ty comprises Ty 1 And Ty 2 ，Ty 1 The time when the spherical lifesaving equipment rises to the highest point of the vertical distance after being emitted from the emission tube, ty 2 When the spherical lifesaving equipment falls from the highest point of the vertical distance to the time when the vertical distance from the position of the target water area is zero, the following formula is adopted:
Ty=Ty 1 +Ty 2 （b）
Ty 1 =(Vⅹsin30°)/9.8（c）
0.5ⅹ9.8ⅹ(Ty 2 ) 2 =H+0.5ⅹ9.8ⅹ(Ty 1 ) 2 （d）
and establishing a unitary quadratic equation set by using the formula (a), the formula (b), the formula (c) and the formula (d), calculating and solving the unitary quadratic equation set by using the calculating module, wherein V is a positive solution of the unitary quadratic equation set.
Specifically, the calculating module is provided with a relation curve of spring displacement S and life-saving equipment launching speed V, the relation curve is obtained through multiple experiments, and when the distance S needing to be compressed of the third spring 16 is calculated according to the launching initial speed V, the calculated V is substituted into the relation curve to obtain the distance S needing to be compressed of the third spring 16.
Specifically, the embodiment of the invention realizes real-time video monitoring of the monitored water area all day long without interruption by arranging the camera, the identification module of the server identifies the human body sound information and the limb action information to judge the drowning condition, and the calculation module automatically calculates the parameters of the rescue device according to the drowning condition, so that the life-saving equipment is thrown at the position of the target water area, and the timeliness and the accuracy of drowning accident rescue are improved.
Specifically, the recognition module comprises a voice recognition unit and an action recognition unit,
the voice recognition unit adopts a long voice recognition technology and is used for optimizing a video scene, recognizing voice help calling contents in a video, judging whether a person in a water area drowns or not,
the optimization is to reduce noise of the collected sound to obtain clear human language vocabulary information,
the noise reduction is to collect at least one water bloom sound on the water surface in advance, convert the water bloom sound into a water bloom character sequence, convert all the sound information into a total character sequence after collecting all the sound information of the water area site, deduct the character sequence with the coincidence ratio of the total character sequence and the water bloom character sequence being more than or equal to 85%, and read the remaining character sequence of the total character sequence after deducting, so as to realize the voice call-for-help content in the identification video,
and if the overlap ratio of the residual character sequence of the total character sequence after deduction and a preset first target character sequence is more than or equal to 80%, determining that drowning occurs to people in the water area.
Specifically, the motion recognition unit is used for recognizing the information of the limbs of the person in the image, tracking, positioning and identifying the attribute of the person, judging whether the person in the water area drowns or not,
the tracking identifies the human body and the environment by means of infrared sensors, which are arranged inside the camera,
the positioning is such that at least one propagation center of the surface wave is determined by an AI algorithm for the shape of the surface wave and the propagation velocity of the surface wave,
the attribute recognition is to judge whether drowning occurs to the personnel in the water area according to an AI algorithm, judge the collected human body action character sequence of the personnel in the water area by setting a first target human body action character sequence,
if the coincidence degree of the collected human body action character sequence of the personnel in the water area and the first target human body action character sequence is more than or equal to 80 percent, judging that the personnel in the water area drowns,
and if the coincidence degree of the collected human body action character sequence of the personnel in the water area and the first target human body action character sequence is less than 20%, judging that the personnel in the water area is not drowned.
Specifically, the embodiment of the invention identifies the human voice of the monitored water area through a long voice identification technology, the optimized voice information displays the human voice information of the target water area, and the drowning state obtained by the human action identification is combined, so that the identification efficiency and accuracy are improved.
Specifically, if the voice recognition unit and the action recognition unit simultaneously judge that the person in the water area is drowned, the recognition module sends an instruction to the rescue device to throw the lifesaving equipment to the position of the target water area,
the target water area position of the rescue device is within 1 meter of the propagation center of the at least one water surface wave, the lifesaving equipment is an automatic inflation life buoy, and the lifesaving equipment is arranged to be spherical in the embodiment of the invention.
Specifically, after the rescue device throws the lifesaving device to the target water area position, the action recognition unit recognizes the limb action of drowned people, judges the human action character sequence of the people collected in the water area by setting a second target human action character sequence,
if the coincidence degree of the collected human body action character sequence of the personnel in the water area and the second target human body action character sequence is more than or equal to 80 percent, the personnel in the water area is judged to take the lifesaving equipment,
if the contact ratio of the collected human body action character sequence of the personnel in the water area and the second target human body action character sequence is less than 20%, the personnel in the water area are judged not to take the thrown lifesaving equipment, the identification module continues to send an instruction to the rescue device, and the rescue device continues to throw the lifesaving equipment to the target water area.
Specifically, the embodiment of the invention realizes the further recognition and identification of the state of drowned persons by throwing the lifesaving equipment to the water area where the drowning accident occurs and recognizing the voice and the action of a human body after throwing the lifesaving equipment, thereby ensuring that the drowned persons obtain the lifesaving equipment, and if the drowned persons do not obtain the lifesaving equipment in time, the lifesaving device can throw the lifesaving equipment again in time, thereby improving the timeliness and the success rate of rescuing the drowning accident.
Referring to fig. 3 to 6, a life saving device used in the drowning prevention system according to the present invention is spherical, the spherical life saving device includes an automatically inflating life saving bag 31, a spherical shell 32, a first magic tape 33, a second magic tape 34, a first magic tape 35, a second magic tape 36, a fixing fastener 37, a connecting rope 38, a fourth opening 39, a fifth opening 40 and a sixth opening 41, the fourth opening 39 and the fifth opening 40 are opposite to each other, the automatically inflating life saving bag 31 is located in a cavity formed by the fourth opening 39 and the fifth opening 40, the first magic tape 33 and the second magic tape 34 are located on the spherical shell 32, both ends of the first magic tape 33 and the second magic tape 34 are respectively connected to the fourth opening 39 and the fifth opening 40, the first magic tape 33 and the second magic tape 34 are adhered to the first magic tape 33 and the second magic tape 34 along a central axis of the cavity formed by the fourth opening 39 and the fifth opening 40, the first magic tape 33 and the second magic tape 34 are adhered to the second opening 34, the second magic tape 34 and the second magic tape 34 are adhered to the cavity formed by the sixth opening 39, the second magic tape 41, the second magic tape 34 and the second magic tape 34 are adhered to each other side of the cavity formed by the fixing tape 34, the other end of the connecting rope 38 is connected with the self-inflating life bag 31.
Specifically, when the rescue device throws the lifesaving equipment to the target water area, the automatically inflatable lifesaving bag 31 is automatically inflated when meeting water, the first magic tape 33 and the second magic tape 34 are separated under the action of instant air pressure, the first magic tape 35 and the second magic tape 36 are separated, the sixth opening 41 is opened, and then the automatically inflatable lifesaving bag 31 is automatically inflated and unfolded.
Specifically, the automatic inflation life-saving bag 31 is provided with a high-pressure gas cylinder 42, the high-pressure gas cylinder 42 is fixedly connected with the life-saving bag, and after the high-pressure gas cylinder 42 inflates the life-saving bag, the life-saving bag provides buoyancy larger than 100 newtons to lift drowning people.
Particularly, the spherical lifesaving equipment is adopted in the embodiment of the invention, so that ejection is convenient, the friction in the ejection process is reduced, the lifesaving equipment can be ejected smoothly, and the lifesaving efficiency is improved. The life-saving equipment in the embodiment of the invention comprises two forms, wherein one form is that the life-saving equipment is arranged on a rescue device and is in a non-use state, and the other form is that the life-saving equipment is ejected into water and is excited to a second form, and the life-saving equipment is in a use state and forms a life buoy after being inflated, so that the drowning rescue is convenient.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can be within the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a prevent drowned system which characterized in that, including the rescue device, the rescue device includes:
the driving mechanism is used for applying mechanical force to the ejection rod to enable the ejection rod to displace;
the limiting mechanism is used for limiting the ejection rod;
the launching mechanism is used for launching the lifesaving equipment through the ejection rod, and the lifesaving equipment is spherical;
the supporting mechanism is used for supporting the driving mechanism, the limiting mechanism and the launching mechanism;
the driving mechanism comprises a base (1), a first clamping pin (4), a first cam rod (6) and a first cam (7), wherein the first clamping pin (4) comprises a first spring (5) and a second gear (8), the first clamping pin (4) is connected with the base (1), the first spring (5) is connected with the base (1), the first cam rod (6) is connected with the base (1), the first cam (7) is installed at the top end of the first cam rod (6), and the second gear (8) is installed at the top end of the first clamping pin (4).
2. The drowning prevention system of claim 1, wherein the spherical life saving device is automatically inflated to deploy upon contact with water.
3. The drowning prevention system according to claim 2, characterized in that the spherical lifesaving device comprises an automatically inflatable lifesaving bag (31), a spherical shell (32), a first magic tape (33), a second magic tape (34), a first magic tape (35), a second magic tape (36), a fixing tape (37), a connecting rope (38), a fourth opening (39), a fifth opening (40) and a sixth opening (41), the fourth opening (39) and the fifth opening (40) are just right, the automatically inflatable lifesaving bag (31) is located in a cavity composed of the fourth opening (39) and the fifth opening (40), the first magic tape (33) and the second magic tape (34) are located on the spherical shell (32) and both ends of the first magic tape (33) and the second magic tape (34) are connected to the fourth opening (39) and the fifth opening (40), respectively, the first magic tape (33) and the second magic tape (34) are attached to each other along the same side of the second magic tape (39), the second magic tape (41) and the fourth magic tape (39) are attached to each other along the direction of the fourth magic tape (33), the sixth opening (41), second magic is pasted strip (34) with first magic is pasted buckle (35) and is located same one side of sixth opening (41), first magic is pasted strip (33) with second magic is pasted strip (34) and is located respectively the both sides of sixth opening (41), second magic is pasted strip (34) with during first magic is pasted strip (33) adhesion, second magic is pasted strip (34) will sixth opening (41) cover, first magic is pasted buckle (35) and second magic and is pasted buckle (36) mutual adhesion, fixed buckle (37) are located on the cavity inner wall that fourth opening (39) and fifth opening (40) are constituteed, fixed buckle (37) are connected with the one end of connecting rope (38), the other end of connecting rope (38) is connected with automatic inflation lifesaving package (31).
4. The drowning prevention system according to claim 3, characterized in that the limiting mechanism comprises a first gear (2), a first rack (3), a second latch (9), a second cam lever (11) and a second cam (12), the first gear (2) and the first rack (3) are engaged, the second latch (9) comprises a second spring (10), the second latch (9) is connected with the first rack (3), the second cam (12) is mounted at the top end of the second cam lever (11), the second cam lever (11) is connected with the base (1), the first rack (3) is slidably connected to the base (1), and the central axis of the first rack (3) in the length direction is offset from the central axis of the second cam lever (11) in the length direction of the first rack (3).
5. The drowning prevention system according to claim 4, characterized in that the launching mechanism comprises a launch tube (17), the launch tube (17) comprises a chute (13), a second rack (14), an ejection rod (15), a third spring (16), an ejection rod spur (18), a first opening (19), a third bayonet (21), a fourth bayonet (23), a second opening (25) and a third opening (26), the launch tube has an acute angle of 30 ° to the horizontal plane, the chute (13) is fitted with the second bayonet (9), the second rack (14) is engaged with the second gear (8), the second rack (14) is mounted on the ejection rod (15), the third spring (16) is connected with the launch tube (17), the third spring (16) is fitted over the ejection rod (15), the ejection rod spur (18) is fitted with the second bayonet (9), the first opening (19) is fitted with the ejection rod (15), the third spring (16) is fitted with the third bayonet (23) is fitted with the fourth bayonet (26),
third bayonet catch (21) is including pin (27), fourth spring (28), iron core (29) and wire winding (30), pin (27) with second opening (25) cooperation, fourth spring (28) both ends respectively with pin (27) with iron core (29) are connected, wire winding (30) twine on iron core (29), third bayonet catch (21) are used for spacing second life-saving equipment (22), fourth bayonet catch (23) are used for spacing third life-saving equipment.
6. The drowning prevention system according to claim 5, characterized in that the support mechanism comprises a support base (43), the support base (43) is rotatably connected with a third support rod (50) through a bearing (44), a third gear (45) is arranged on the third support rod (50), the third gear (45) is fixedly connected with the third support rod (50), the third gear (45) is meshed with a fourth gear (46), the fourth gear (46) is connected with a motor (47), the motor (47) is fixed on the support base (43), and the transmitting tube (17) is fixedly connected with the base (1) through a first support rod (48) and a second support rod (49).
7. The drowning prevention system of claim 6, further comprising: the camera is used for collecting real-time dynamic video images of a monitored water area, the server comprises an identification module and a calculation module, the identification module is used for analyzing the video images to obtain an analysis result, an instruction is sent to the rescue device according to the analysis result to enable the rescue device to throw the lifesaving equipment to a target water area position, the calculation module calculates an initial speed V of the rescue device for launching the lifesaving equipment according to the analysis result, and calculates a distance S required to be compressed by the third spring (16) according to the initial launching speed V.
8. The drowning prevention system of claim 7, wherein the recognition module comprises a voice recognition unit and an action recognition unit,
the voice recognition unit adopts a long voice recognition technology and is used for optimizing a video scene, recognizing voice call-for-help content in a video and judging whether a person in a water area drowns, wherein the optimization is to reduce the noise of the collected voice to obtain clear human language vocabulary information, the noise reduction is to collect at least one water splash voice on the water surface in advance, convert the water splash voice into a water splash character sequence, convert all voice information into a total character sequence after collecting all voice information on the water area site, deduct a character sequence with the coincidence degree of the total character sequence being more than or equal to 85% from the water splash character sequence, read the character sequence remaining from the total character sequence after deduction, realize the recognition of the voice call-for-help content in the video, and judge that the person in the water area drowns if the coincidence degree of the remaining character sequence of the total character sequence after deduction is more than or equal to 80% from a preset first target character sequence.
9. The drowning prevention system of claim 8, wherein the action recognition unit is used for recognizing the information of the human body in the image, tracking, positioning and attribute recognition of the human body, judging whether the person in the water area is drowned, recognizing the human body and the environment through an infrared sensor by tracking, the infrared sensor is arranged in the camera, positioning is to determine the propagation center of at least one water surface wave through the shape of the water surface wave and the propagation speed of the water surface wave by an AI algorithm, the attribute recognition is to judge whether the person in the water area is drowned according to the AI algorithm, the person in the water area is judged to be drowned by arranging a first target human body action character sequence, if the human body action character sequence of the person in the water area is collected, the coincidence degree of the first target human body action character sequence with the human body action character sequence is more than or equal to 80%, the person in the water area is judged to be drowned, and if the human body action character sequence of the person in the water area is collected, the coincidence degree of the first target human body action character sequence with the first target character sequence is less than 20%, the person in the water area is judged to be not drowned.
10. The drowning prevention system according to claim 9, wherein if the voice recognition unit and the motion recognition unit simultaneously determine that the person in the water area is drowned, the recognition module instructs the rescue apparatus to throw the lifesaving device to a target water area position, the target water area position of the rescue apparatus is within 1 meter of a propagation center of the at least one surface wave, after the rescue apparatus throws the lifesaving device to the target water area position, the motion recognition unit recognizes the body motion of the drowned person, by setting a second target human motion character sequence, the human motion character sequence of the person collected in the water area is determined, if the coincidence of the human motion character sequence of the person collected in the water area and the second target human motion character sequence is not less than 80%, it is determined that the person in the water area has taken the lifesaving device, and if the coincidence of the human motion character sequence of the person collected in the water area and the second target human motion character sequence is less than 20%, it is determined that the lifesaving device in the water area has not taken the lifesaving device, the recognition module continues to send the rescue apparatus an instruction to throw the target water area.
CN202211140087.3A 2022-09-20 2022-09-20 Drowning prevention system Active CN115230913B (en)

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