CN117839122A - Life saving device for instant inflation in falling in high-altitude operation and working method thereof - Google Patents

Abstract

The invention relates to the technical field of aerial work protective equipment, and particularly discloses a lifesaving device for instant air inflation in aerial work falling and a working method thereof, wherein the lifesaving device comprises a cushion pad, a cushion shell, a safety belt, a cushion mechanism, an air inflation mechanism and a control unit; the buffer cushion is arranged on the inner side of the buffer shell, and the safety belt is arranged on the buffer cushion; the buffer mechanism comprises a first air bag, a second air bag, a third air bag and a fourth air bag, and the first air bag, the second air bag, the third air bag and the fourth air bag are respectively arranged on the four outer side walls of the buffer shell in a folding way; the inflation mechanism is used for inflating the first air bag, the second air bag, the third air bag and the fourth air bag; the control unit comprises an acceleration sensor and a controller; the acceleration sensor collects the acceleration of the operator and transmits the acceleration to the controller, and when the acceleration reaches a set value, the controller controls the inflation mechanism to inflate and expand the buffer mechanism. The invention can effectively reduce the impact force caused by high-altitude falling and reduce the injury to personnel caused by high-altitude falling.

Description

Life saving device for instant inflation in falling in high-altitude operation and working method thereof

Technical Field

The invention relates to the technical field of aerial work protective equipment, in particular to a lifesaving device for instant inflation in falling in aerial work and a working method thereof.

Background

With the increasing of high-rise buildings in modern society, the demands of high-altitude operation are frequent, and high-altitude falling accidents occur, so that the life safety of people is greatly threatened. At present, most of existing anti-falling devices adopt hard materials, and although the anti-falling devices can play a role in protection to a certain extent, huge impact force generated at the moment of falling still can possibly cause injury to personnel. Therefore, how to effectively reduce the impact force caused by high-altitude falling is a problem to be solved.

Disclosure of Invention

The invention aims to provide a lifesaving device for instant air inflation in high-altitude operation and a working method thereof, which can effectively reduce impact force caused by high-altitude falling and reduce injury to personnel caused by high-altitude falling.

The invention is realized by the following technical scheme:

a lifesaving device for instant inflation in falling in high-altitude operation comprises a cushion pad, a cushion shell, a safety belt, a buffer mechanism, an inflation mechanism and a control unit;

the cushion pad is arranged on the inner side of the cushion shell, the safety belt is arranged on the cushion pad, the life saving device is fixed on the waist of an operator through the safety belt, and the cushion pad and the cushion shell are made of elastic materials and are used for buffering and protecting the waist of the body when the operator falls to the ground;

the buffer mechanism comprises a first air bag, a second air bag, a third air bag and a fourth air bag, and the first air bag, the second air bag, the third air bag and the fourth air bag are respectively arranged on the four outer side walls of the buffer shell in a folding way;

the inflation mechanism is used for inflating the first air bag, the second air bag, the third air bag and the fourth air bag;

the control unit comprises an acceleration sensor and a controller; the acceleration sensor is used for collecting the acceleration of the operator and transmitting the acceleration to the controller, and when the acceleration reaches a set value, the controller controls the inflating mechanism to inflate the buffer mechanism so that the first air bag, the second air bag, the third air bag and the fourth air bag are inflated and deployed.

The cushion pad and the cushion shell form an integral flexible cushion unit, can be used for providing cushion protection for the waist of an operator when the operator falls aloft, can also be used as a fixing piece for connecting the first air bag, the second air bag, the third air bag and the fourth air bag, and can be used for fixing the life saving device on the waist of the operator.

According to the invention, the first air bag, the second air bag, the third air bag and the fourth air bag are respectively arranged on the four side walls of the flexible buffer unit, when a life-saving device is not needed, the first air bag, the second air bag, the third air bag and the fourth air bag are all folded and placed on the four side walls of the flexible buffer unit, normal construction of operators is not influenced, when the operators fall at high altitude, the acceleration signals collected by the acceleration sensor trigger the inflation mechanism to be opened, so that the inflation mechanism inflates and deploys the first air bag, the second air bag, the third air bag and the fourth air bag, and when the first air bag, the second air bag, the third air bag and the fourth air bag are deployed, the volume of the life-saving device is increased, and meanwhile, the area of the life-saving device is increased, the resistance in the falling process can be increased, the speed in the falling process is reduced, and the impact force is reduced by reducing the speed of the life-saving device reaching the ground; on the other hand, the first gasbag after the inflation, the second gasbag, third gasbag and fourth gasbag can produce buoyancy, further increase the resistance of falling the in-process, and then further reduce the speed of falling the in-process, further reduce impact force through the speed that reduces life saving equipment and reach ground, and, after first gasbag, the second gasbag, third gasbag and fourth gasbag are expanded, four lateral walls at cushion and cushion shell constitution whole flexible buffer unit have prolonged promptly, can cover the health of operating personnel completely when making life saving equipment fall to the ground, carry out buffer protection to operating personnel whole body.

In summary, the invention can effectively reduce the impact force caused by high-altitude falling and reduce the injury to personnel caused by high-altitude falling.

Further, when the first airbag, the second airbag, the third airbag and the fourth airbag are respectively folded and arranged on the four outer side walls of the buffer shell, the first airbag, the second airbag, the third airbag and the fourth airbag are respectively fixed through the first binding band, the second binding band, the third binding band and the fourth binding band, one ends of the first binding band, the second binding band, the third binding band and the fourth binding band are respectively connected with the outer side walls of the buffer shell or the buffer shell, the other ends of the first binding band, the second binding band, the third binding band and the fourth binding band are respectively provided with the first electric control button, the second electric control button, the third electric control button and the fourth electric control button to be connected with the outer side walls of the buffer shell or the buffer shell, and when acceleration reaches a set value, the first electric control button, the second electric control button, the third electric control button and the fourth electric control button are controlled by the controller to be opened.

The first binding belt, the second binding belt, the third binding belt and the fourth binding belt are used for realizing folding and fixing of the first air bag, the second air bag, the third air bag and the fourth air bag, and the first binding belt, the second binding belt, the third binding belt and the fourth binding belt lose the fixing effect on the first air bag, the second air bag, the third air bag and the fourth air bag through automatic opening of the first electric control buckle, the second electric control buckle, the third electric control buckle and the fourth electric control buckle, so that the first air bag, the second air bag, the third air bag and the fourth air bag can be inflated and unfolded when falling.

Further, the first electric control button, the second electric control button, the third electric control button and the fourth electric control button are magnetic adsorption buttons, and the controller enables the magnetic adsorption buttons to be opened by controlling the magnetic adsorption buttons to be powered off.

Further, the first air bags are correspondingly provided with 2-3 first binding bands; the second, third and fourth air bags are arranged identically to the first air bag. The stability of the folding fixation of the air bag can be improved by arranging a plurality of binding belts.

Further, the inflation mechanism comprises an inflator pump, the inflator pump and the acceleration sensor are arranged in the buffer shell, the inflator pump is in communication connection with the controller, and an air outlet of the inflator pump is connected with the first air bag, the second air bag, the third air bag and the fourth air bag through air pipes.

Further, the inflation mechanism further comprises a first three-way joint, a second three-way joint, a third three-way joint, a first air pipe, a second air pipe, a third air pipe and a fourth air pipe;

the three joints of the first three-way joint are respectively connected with the air outlet of the inflator pump, the second three-way joint and the third three-way joint, the other two joints of the second three-way joint are respectively connected with the first air pipe and the third air pipe, the first air pipe and the third air pipe are respectively connected with the first air bag and the third air bag, the other two joints of the third three-way joint are respectively connected with the second air pipe and the fourth air pipe, and the second air pipe and the fourth air pipe are respectively connected with the second air bag and the fourth air bag.

The arrangement can realize that one inflator pump can realize the inflation of the first air bag, the second air bag, the third air bag and the fourth air bag.

Further, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve are respectively arranged on the first air pipe, the second air pipe, the third air pipe and the fourth air pipe, and the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are all in communication connection with the controller.

Further, the control unit further comprises pressure sensors which are in communication connection with the controller, the pressure sensors are arranged in the first air bag, the second air bag, the third air bag and the fourth air bag, the pressure sensors are used for respectively collecting the pressures in the first air bag, the second air bag, the third air bag and the fourth air bag, and when the pressure sensors detect that the pressure value of the air bag reaches a set value, the controller controls the electromagnetic valves corresponding to the air bag to be closed.

Further, a plurality of springs are arranged in the buffer shell, the buffer shell is made of plastic, and the buffer comprises a silica gel pad or a sponge pad.

The working method of the life saving device comprises the following steps:

s1, when normal construction is performed, the life saving device is fixed on the waist of an operator through a safety belt;

s2, when an accident occurs and an operator falls downwards, the acceleration sensor is used for collecting the acceleration of the operator and transmitting the acceleration to the controller, when the acceleration reaches a set value, the controller controls the first electric control button, the second electric control button, the third electric control button and the fourth electric control button to be opened, and meanwhile, the controller controls the inflation mechanism to inflate the buffer mechanism so that the first air bag, the second air bag, the third air bag and the fourth air bag can be inflated and deployed.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. according to the invention, the cushion pad, the buffer shell, the safety belt, the buffer mechanism, the inflating mechanism and the control unit are arranged, wherein the buffer mechanism is folded on four side walls of the flexible buffer unit formed by the cushion pad and the buffer shell, when a worker falls, the control unit can control the buffer mechanism to be automatically opened and inflated to be unfolded, and the falling speed is slowed down through the first airbag, the second airbag, the third airbag and the fourth airbag which are inflated and unfolded, so that the impact force is reduced, and the injury to the worker caused by high-altitude falling is reduced.

2. According to the invention, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are respectively arranged on the first air pipe, the second air pipe, the third air pipe and the fourth air pipe, and the pressure sensors are arranged in the first air bag, the second air bag, the third air bag and the fourth air bag, so that an air cushion bed formed by the first air bag, the second air bag, the third air bag and the fourth air bag can completely cover the body of an operator, and the cushion pad and the cushion shell form an integral flexible cushion unit to be fixed between waists of a human body, therefore, the lengths of the first air bag and the second air bag which are positioned on the left side and the right side of the flexible cushion unit are different from the lengths of the third air bag and the fourth air bag which are positioned on the upper side and the lower side of the flexible cushion unit, the lengths of the third air bag and the fourth air bag are relatively longer, and the first air bag, the second air bag, the third air bag and the fourth air bag are required to achieve uniform inflation pressure, and the air cushion effect of the first air bag, the second air bag and the fourth air bag can be controlled independently, and the fourth air cushion effect of the fourth air bag and the fourth air bag can be avoided, and the fourth air cushion effect of the fourth air bag can be achieved, and the air cushion effect of the fourth air cushion is not influenced, and the air pressure of the fourth air bag is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the life saving device of the present invention;

fig. 2 is a cross-sectional view of the life saving device of the present invention;

FIG. 3 is a schematic view of the tracheal connection of the present invention;

fig. 4 is a control schematic of the present invention.

In the drawings, the reference numerals and corresponding part names:

1-a cushion pad; 2-a buffer shell; 3-a safety belt; 4-a first balloon; 5-a second balloon; 6-a third balloon; 7-fourth air bags; 8-a first strap; 9-a second strap; 10-a third strap; 11-fourth strap; 12-a first electric control button; 13-a second electric control button; 14-an inflator; 15-a spring; 16-a first trachea; 17-a second trachea; 18-a third trachea; 19-fourth trachea; 20-a first solenoid valve; 21-a second solenoid valve; 22-a third solenoid valve; 23-fourth solenoid valve; 24-a first three-way joint; 25-a second three-way joint; 26-a third tee fitting; 27-acceleration sensor.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be described in further detail with reference to the following examples, which are illustrative embodiments of the present invention and the description thereof are intended to be illustrative of the present invention and not limiting of the present invention, and the examples described below are some, but not all, examples of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, materials, or methods have not been described in detail in order to avoid obscuring the present invention. Materials, instruments, reagents and the like used in the following examples are commercially available unless otherwise specified. The technical means used in the examples, unless otherwise specified, are conventional means well known to those skilled in the art.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1:

as shown in fig. 1 to 4, a lifesaving device for instant inflation of fall in an overhead operation includes a cushion pad 1, a cushion shell 2, a seat belt 3, a cushion mechanism, an inflation mechanism, and a control unit.

The blotter 1 sets up in buffer housing 2 inboard, and the inboard specifically is the side that is close to the human body when life saving equipment uses, and safety belt 3 sets up on blotter 1, realizes fixing life saving equipment on the operation personnel's waist through safety belt 3, and wherein, safety belt 3 adopts conventional hasp to lock or open, for example, all safety belts of car safety belt or amusement park facility, and the effect of safety belt 3 is on the waist back of the fixed operation personnel of life saving equipment, compares the shoulder strap type fixed, and the fixed mode of safety belt 3 part of this embodiment is simple stable, and can not influence operation personnel for the operation. The cushion pad 1 and the cushion shell 2 are square structures, and the length and the width of the cushion pad 1 and the cushion shell 2 are designed so as not to affect the operation of operators and reduce the weight as much as possible, the tops of the cushion pad 1 and the cushion shell 2 cannot be higher than half of the back, the lower part cannot be lower than the middle part of the buttocks, and the two sides cannot protrude from the left side and the right side of a human body. The cushion pad 1 and the cushion shell 2 are made of elastic materials, specifically, the cushion shell 2 is made of plastics, namely, the cushion pad has certain elasticity and stiffness, so that an inflation mechanism is arranged in the cushion shell 2, the cushion pad 1 comprises a silica gel pad or a foam cushion, the silica gel pad or the foam cushion is high in elasticity, and the cushion pad can deform according to the shape of the waist of a human body, so that an operator can wear the life-saving device relatively comfortably. Preferably, a plurality of springs 15 are arranged in the buffer shell 2, the length direction of each spring 15 is perpendicular to the waist of a human body, the buffer effect of the buffer shell 2 can be improved by the aid of the springs 15, and the influence of an inflation mechanism on the human body is reduced.

The buffer mechanism comprises a first air bag 4, a second air bag 5, a third air bag 6 and a fourth air bag 7, wherein the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 are respectively folded and arranged on the four outer side walls of the buffer shell 2, the folding length is not more than the waist width (generally 35 cm, the width can be directly rolled without limitation), the unfolding length can be determined according to the length of the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7, and the unfolding length is limited by being more than a human body); when the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 are inflated, the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 can be unfolded, so that the left side and the right side of the air cushion bed formed by the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 can be protruded out of the left side and the right side of a human body, and the upper side and the lower side of the air cushion bed can be protruded out of the upper side and the lower side of the human body. Preferably, when the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 are inflated and unfolded, the bottoms of the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 are all protruded out of the bottom of the buffer shell 2, so that the buffer shell 2 is not contacted with the ground when the life-saving device falls to the ground, and the influence of an inflation mechanism on a human body is further reduced.

In one specific case, the first and second airbags 4 and 5 are disposed at left and right sides of the buffer case 2, respectively, the third and fourth airbags 6 and 7 are disposed at upper and lower sides of the buffer case 2, respectively, and the deployment lengths of the third and fourth airbags 6 and 7 are greater than those of the first and second airbags 4 and 5. The length here refers in particular to the shortest linear distance of the bladder from the side wall of the buffer housing 2.

Specifically, when the first airbag 4, the second airbag 5, the third airbag 6 and the fourth airbag 7 are respectively folded and arranged on the four outer side walls of the buffer shell 2, the first airbag 4, the second airbag 5, the third airbag 6 and the fourth airbag 7 are respectively fixed through the first binding band 8, the second binding band 9, the third binding band 10 and the fourth binding band 11, one ends of the first binding band 8, the second binding band 9, the third binding band 10 and the fourth binding band 11 are respectively connected with the outer side walls of the buffer shell 1 or the buffer shell 2, the other ends of the first electric control buckle 12, the second electric control buckle 13, the third electric control buckle and the fourth electric control buckle are respectively arranged to be connected with the outer side walls of the buffer shell 2 or the buffer shell 1, the first electric control buckle 12, the second electric control buckle 13, the third electric control buckle and the fourth electric control buckle are all in communication connection with the controller, and when the acceleration reaches a set value, the first electric control buckle 12, the second electric control buckle 13, the third electric control buckle and the fourth electric control buckle are controlled by the controller to be opened. Specifically, the first electric control button 12, the second electric control button 13, the third electric control button and the fourth electric control button are magnetic adsorption buttons, and the controller enables the magnetic adsorption buttons to be opened by controlling the magnetic adsorption buttons to be powered off.

In a preferred case, the first air bag 4 is correspondingly provided with 2-3 first binding bands 8; the second, third and fourth air bags 5, 6 and 7 are provided with straps identical to the first air bag 4.

The inflation mechanism is used to inflate the first, second, third and fourth airbags 4, 5, 6 and 7. The inflation mechanism comprises an inflation pump 14, the inflation pump 14 and an acceleration sensor 27 are both arranged in the buffer shell 2, the inflation pump 14 is in communication connection with the controller, and the air outlet of the inflation pump 14 is connected with the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 through air pipes.

Specifically, the inflation mechanism further includes a first three-way joint 24, a second three-way joint 25, a third three-way joint 26, a first air tube 16, a second air tube 17, a third air tube 18, and a fourth air tube 19;

the three joints of the first three-way joint 24 are respectively connected with the air outlet of the inflator 14, the second three-way joint 25 and the third three-way joint 26, the other two joints of the second three-way joint 25 are respectively connected with the first air pipe 16 and the third air pipe 18, the first air pipe 16 and the third air pipe 18 are respectively connected with the first air bag 4 and the third air bag 6, the other two joints of the third three-way joint 26 are respectively connected with the second air pipe 17 and the fourth air pipe 19, and the second air pipe 17 and the fourth air pipe 19 are respectively connected with the second air bag 5 and the fourth air bag 7.

The control unit includes an acceleration sensor 27 and a controller; the acceleration sensor 27 is used for collecting the acceleration of the operator and transmitting the acceleration to the controller, when the acceleration reaches a set value, the controller controls the inflating mechanism to inflate the buffer mechanism to inflate and expand the first airbag 4, the second airbag 5, the third airbag 6 and the fourth airbag 7, the acceleration sensor 27 reacts within one second, the first airbag 4, the second airbag 5, the third airbag 6 and the fourth airbag 7 are inflated within 2-4 seconds, the specific completion time is determined according to the airbag size, for example, the third airbag 6 and the fourth airbag 7 approximately need 4 seconds to complete the inflation, and the first airbag 4 and the second airbag 5 approximately need two seconds to complete the inflation.

In a preferred embodiment, the first air pipe 16, the second air pipe 17, the third air pipe 18 and the fourth air pipe 19 are respectively provided with a first electromagnetic valve 20, a second electromagnetic valve 21, a third electromagnetic valve 23 and a fourth electromagnetic valve 24, and the first electromagnetic valve 20, the second electromagnetic valve 21, the third electromagnetic valve 23 and the fourth electromagnetic valve 24 are all in communication connection with the controller. The control unit further comprises pressure sensors which are in communication connection with the controller, wherein the pressure sensors are arranged in the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 and are used for respectively collecting the pressures in the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7, and when the pressure sensors detect that the pressure value of the air bag reaches a set value, the controller controls the electromagnetic valves corresponding to the air bag to be closed.

The cushion 1, the cushion shell 2, the safety belt 3, the cushion mechanism, the inflation mechanism and the control unit are arranged, wherein the cushion mechanism is folded and arranged on four side walls of the flexible cushion unit formed by the cushion 1 and the cushion shell 2, when a worker falls, the control unit can control the cushion mechanism to be automatically opened and inflated to be unfolded, and the first airbag 4, the second airbag 5, the third airbag 6 and the fourth airbag 7 which are inflated and unfolded through the unfolding slow down the falling speed, so that the impact force is reduced, and the injury to the worker caused by high-altitude falling is reduced.

In addition, by arranging the first electromagnetic valve 20, the second electromagnetic valve 21, the third electromagnetic valve 23 and the fourth electromagnetic valve 24 and the pressure sensor, the invention can realize independent control of the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 by controlling the opening and closing of the first electromagnetic valve 20, the second electromagnetic valve 21, the third electromagnetic valve 22 and the fourth electromagnetic valve 23, ensure that the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7 can achieve uniform inflation pressure, avoid overlarge partial air bag pressure and insufficient partial air bag pressure, and influence the buffering effect of an air cushion bed formed by the first air bag, the second air bag, the third air bag and the fourth air bag.

In a preferred case, an airbag is arranged in the buffer housing 2, and can be inflated and opened by the inflator 14 at the moment of landing, and the action process is similar to the function of an automobile airbag.

The working method of the embodiment comprises the following steps:

s1, when normal construction is performed, the life saving device is fixed on the waist of an operator through a safety belt 3;

s2, when an accident occurs and an operator falls downwards, the acceleration sensor 27 is used for collecting the acceleration of the operator and transmitting the acceleration to the controller, and when the acceleration reaches a set value, the controller controls the first electric control button 12, the second electric control button 13, the third electric control button and the fourth electric control button to be opened, so that the first binding belt 8, the second binding belt 9, the third binding belt 10 and the fourth binding belt 11 lose the fixing effect on the first air bag 4, the second air bag 5, the third air bag 6 and the fourth air bag 7; meanwhile, the controller controls the inflation mechanism to be started, specifically controls the inflation pump 14 to be started, and the buffer mechanism is inflated to inflate and expand the first airbag 4, the second airbag 5, the third airbag 6 and the fourth airbag 7.

When the first, second, third and fourth solenoid valves 20, 21, 23 and 24 and the pressure sensor are provided, the acceleration sensor 27 is used for collecting the acceleration of the operator and transmitting the acceleration to the controller, and when the acceleration reaches a set value, the controller controls the inflator 14 to be opened, and simultaneously controls the first, second, third and fourth solenoid valves 20, 21, 23 and 24 to be opened.

The pressure sensors in the first, second, third and fourth air bags 4, 5, 6 and 7 collect the pressures of the first, second, third and fourth air bags 4, 5, 6 and 7 in real time, and when the pressures of the first, second, third or fourth air bags 4, 5, 6 or 7 reach the set values, the corresponding electromagnetic valves are controlled to be closed by the controller, for example: when the pressure in the first and second airbags 4 and 5 reaches the set value and the pressure in the third and fourth airbags 6 and 7 does not reach the set value, the first and second solenoid valves 20 and 21 are closed by the control, the inflation into the first and second airbags 4 and 5 is stopped, and the third and fourth solenoid valves 23 and 24 are kept open until the pressure in the third and fourth airbags 6 and 7 reaches the set value.

In the specific implementation case, when a certain high-altitude high-voltage electric installation maintenance worker works at high altitude, the worker falls from the 10 th floor carelessly. Since the life saving device of the embodiment is worn, at the moment of falling, the acceleration sensor 27 in the device senses the falling and automatically triggers the inflator 14 to inflate. The first, second, third and fourth air bags 4, 5, 6 and 7 are rapidly inflated to form an air cushion, thereby effectively slowing down the falling speed of the worker and reducing the impact force. Finally, the worker falls on the air cushion to survive. This case fully demonstrates the effectiveness of this embodiment in practical applications.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are for understanding and reading only by those skilled in the art, and are not intended to limit the scope of the invention, so that any structural modifications, proportional changes, or size adjustments should fall within the scope of the invention without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.

Claims (10)

1. The lifesaving device for instant air inflation in falling in high altitude operation is characterized by comprising a cushion pad (1), a cushion shell (2), a safety belt (3), a buffer mechanism, an air inflation mechanism and a control unit;

the cushion pad (1) is arranged on the inner side of the cushion shell (2), the safety belt (3) is arranged on the cushion pad (1), and the life saving device is fixed on the waist of an operator through the safety belt (3);

the buffer mechanism comprises a first air bag (4), a second air bag (5), a third air bag (6) and a fourth air bag (7), wherein the first air bag (4), the second air bag (5), the third air bag (6) and the fourth air bag (7) are respectively folded and arranged on four outer side walls of the buffer shell (2);

the inflation mechanism is used for inflating the first airbag (4), the second airbag (5), the third airbag (6) and the fourth airbag (7);

the control unit comprises an acceleration sensor (27) and a controller; the acceleration sensor (27) is used for collecting the acceleration of an operator and transmitting the acceleration to the controller, and when the acceleration reaches a set value, the controller controls the inflating mechanism to inflate the buffer mechanism so that the first air bag (4), the second air bag (5), the third air bag (6) and the fourth air bag (7) are inflated and deployed.

2. The life saving device for instant air charging in aloft work according to claim 1, characterized in that when the first airbag (4), the second airbag (5), the third airbag (6) and the fourth airbag (7) are respectively folded and arranged on the four outer side walls of the buffer housing (2), the first airbag (4), the second airbag (5), the third airbag (6) and the fourth airbag (7) are respectively fixed by a first binding belt (8), a second binding belt (9), a third binding belt (10) and a fourth binding belt (11), one end of the first binding belt (8), the second binding belt (9), the third binding belt (10) and one end of the fourth binding belt (11) are respectively connected with the outer side walls of the buffer housing (2), the other end is respectively provided with a first electric control buckle (12), a second electric control buckle (13), a third electric control buckle and a fourth electric control buckle to be connected with the outer side walls of the buffer housing (2) or the buffer housing (1), the first electric control buckle, the second electric control buckle (13) and the fourth electric control buckle are respectively connected with the electric control buckle (12) when the acceleration setting value is reached by the first electric control buckle (13) and the electric control buckle (13) is respectively connected with the set value The third electric control button and the fourth electric control button are opened.

3. A lifesaving device for instant inflation of a fall in an overhead operation according to claim 2, wherein the first electrically controlled button (12), the second electrically controlled button (13), the third electrically controlled button and the fourth electrically controlled button are all magnetic attraction buttons, and the controller opens the magnetic attraction buttons by controlling the magnetic attraction buttons to be powered off.

4. A lifesaving device for instant inflation of a fall in high altitude operations according to claim 2, characterized in that said first air-bag (4) is provided with 2-3 said first straps (8) in correspondence; the second air bag (5), the third air bag (6) and the fourth air bag (7) are arranged in a binding way with the first air bag (4).

5. A lifesaving device for instant inflation of a fall in high altitude construction according to claim 2, characterized in that the inflation mechanism comprises an inflator pump (14), the inflator pump (14) and the acceleration sensor (27) are both arranged in the buffer housing (2), the inflator pump (14) is in communication connection with the controller, and the air outlet of the inflator pump (14) is connected with the first air bag (4), the second air bag (5), the third air bag (6) and the fourth air bag (7) through air pipes.

6. A lifesaving device for an instant air inflation when dropped in an aerial work according to claim 5 wherein the inflation mechanism further comprises a first three way connector (24), a second three way connector (25), a third three way connector (26), a first air tube (16), a second air tube (17), a third air tube (18) and a fourth air tube (19);

the three joints of the first three-way joint (24) are respectively connected with the air outlet of the inflator pump (14), the second three-way joint (25) and the third three-way joint (26), the other two joints of the second three-way joint (25) are respectively connected with the first air pipe (16) and the third air pipe (18), the first air pipe (16) and the third air pipe (18) are respectively connected with the first air bag (4) and the third air bag (6), the other two joints of the third three-way joint (26) are respectively connected with the second air pipe (17) and the fourth air pipe (19), and the second air pipe (17) and the fourth air pipe (19) are respectively connected with the second air bag (5) and the fourth air bag (7).

7. The life saving device for instant air charging in aloft work according to claim 6, wherein the first air pipe (16), the second air pipe (17), the third air pipe (18) and the fourth air pipe (19) are respectively provided with a first electromagnetic valve (20), a second electromagnetic valve (21), a third electromagnetic valve (23) and a fourth electromagnetic valve (24), and the first electromagnetic valve (20), the second electromagnetic valve (21), the third electromagnetic valve (23) and the fourth electromagnetic valve (24) are all in communication connection with a controller.

8. The lifesaving device for instant air charging in high-altitude falling according to claim 7, wherein the control unit further comprises a pressure sensor in communication connection with the controller, the pressure sensors are arranged in the first air bag (4), the second air bag (5), the third air bag (6) and the fourth air bag (7), the pressure sensors are used for respectively collecting the pressures in the first air bag (4), the second air bag (5), the third air bag (6) and the fourth air bag (7), and when the pressure sensor detects that the pressure value of the air bag reaches a set value, the controller controls the electromagnetic valve corresponding to the air bag to be closed.

9. A lifesaving device for instant inflation of falls in high-rise operations according to any one of claims 1 to 8 characterized in that a number of springs (15) are provided in the buffer shell (2), the buffer shell (2) is made of plastic and the buffer pad (1) comprises a silica gel pad or a sponge pad.

10. A method of operating a rescue apparatus as defined in any one of claims 2 to 8 comprising the steps of:

s1, when normal construction is carried out, the life saving device is fixed on the waist of an operator through the safety belt (3);

s2, when an accident occurs and an operator falls downwards, the acceleration sensor (27) is used for collecting the acceleration of the operator and transmitting the acceleration to the controller, when the acceleration reaches a set value, the controller controls the first electric control button (12), the second electric control button (13), the third electric control button and the fourth electric control button to be opened, and meanwhile, the controller controls the inflation mechanism to inflate the buffer mechanism so that the first air bag (4), the second air bag (5), the third air bag (6) and the fourth air bag (7) are inflated and deployed.