An emergency rescue device

Abstract

The invention discloses an emergency rescue device, belonging to the technical field of rescue tools, comprising an airbag structure and an inflation device, the inflation device comprising a sealing cover and a main unit; the main unit is located in the airbag structure, and comprises a shell, a battery, an inflation pump and a control panel; the shell is fixedly connected to the sealing cover, and is provided with an electrical cavity and a chemical reaction cavity; the battery, the inflation pump and the control panel are all arranged in the electrical cavity; the chemical reaction cavity is communicated with the inner cavity of the airbag structure, and is provided with sodium azide and a trigger device; an operation panel is arranged on the outer side of the sealing cover, and the operation panel is provided with a first inflation key, a second inflation key, a third inflation key, a fourth inflation key and a stop key; when the first inflation key is triggered, the inflation pump inflates the airbag structure, and when other inflation keys are triggered, the sodium azide in the chemical reaction cavity is decomposed to generate nitrogen to inflate the airbag structure, but the inflation speed is different; the invention solves the problem of slow inflation speed of the existing rescue airbag.

Description

Technical Field

[0001] The invention relates to the technical field of rescue tools, and in particular to an emergency rescue device capable of rapid inflation. Background Art

[0002] As we all know, rescue airbags are widely used in emergency rescue work, such as life buoys, rubber boats and high-altitude fall life-saving cushions; life buoys are usually stored inflated, which has the advantage of being available for use, but has the disadvantage of occupying a large space; rubber boats and high-altitude fall life-saving cushions are usually stored deflated, which has the advantage of occupying a small space, but need to be inflated before use, and the inflation time is long, which will affect the success rate of rescue in an emergency; therefore, it is necessary to propose an emergency rescue device that can be quickly inflated to overcome the above-mentioned defects. Summary of the invention

[0003] In view of the above, it is necessary to provide an emergency rescue device to solve the problem of slow inflation speed of existing rescue airbags.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] An emergency rescue device comprises an airbag structure and an inflation device, wherein the inflation device comprises a sealing cover and a main unit;

[0006] The airbag structure is provided with a matching opening for the main machine to penetrate into the inner cavity of the airbag structure, the sealing cover is threadedly connected to the matching opening, and a sealing gasket is arranged on the inner side of the sealing cover;

[0007] The host is located in the airbag structure, and includes a shell, a battery, an air pump and a control board; the shell is fixedly connected to the sealing cover, and when the airbag structure is in an inflated state, the shell is spaced apart from the inner wall of the airbag structure; the shell is provided with an electrical cavity and a chemical reaction cavity; the battery, the air pump and the control board are all arranged in the electrical cavity; the control board is provided with a control module, a first relay, a second relay, a third relay and a fourth relay; the battery, the control end of the first relay, the control end of the second relay, the control end of the third relay and the control end of the fourth relay are all electrically connected to the control module; the output end of the first relay is electrically connected to the air pump, and the input end of the first relay is electrically connected to the battery; The air outlet of the pump is connected to the inner cavity of the airbag structure, the air inlet of the inflation pump is connected to an air pipe, the sealing cover is passed through one end of the air pipe away from the inflation pump, and a one-way valve is arranged on the air pipe; the chemical reaction chamber is connected to the inner cavity of the airbag structure, sodium azide and a trigger device for causing sodium azide to decompose and generate nitrogen are placed in the chemical reaction chamber, and the trigger device includes an igniter, an arc generator and a heater; the output end of the second relay is electrically connected to the igniter, and the input end of the second relay is electrically connected to the battery; the output end of the third relay is electrically connected to the arc generator, and the input end of the third relay is electrically connected to the battery; the output end of the fourth relay is electrically connected to the heater, and the input end of the fourth relay is electrically connected to the battery;

[0008] An operation panel is provided on the outer side of the sealing cover, and the operation panel is electrically connected to the control module; the operation panel is provided with a first inflation key, a second inflation key, a third inflation key, a fourth inflation key and a stop key; when the first inflation key is triggered, the control module controls the first relay to close, and the inflation pump starts working; when the second inflation key is triggered, the control module controls the second relay to close, and the igniter starts working; when the third inflation key is triggered, the control module controls the third relay to close, and the arc generator starts working; when the fourth inflation key is triggered, the control module controls the fourth relay to close, and the heater starts working; when the stop key is triggered, the first relay, the second relay, the third relay and the fourth relay are all in a disconnected state under the control of the control module.

[0009] Preferably, the airbag structure is a life buoy, and the operating panel is a waterproof panel.

[0010] Preferably, the airbag structure is a rubber boat, and the fitting opening is located at the top of the front side of the rubber boat.

[0011] Preferably, the operation panel is a waterproof panel, and the operation panel is also provided with a display screen; the electrical cavity is connected to the inner cavity of the airbag structure, and an air pressure monitoring module and an alarm module are provided in the electrical cavity, and the air pressure monitoring module and the alarm module are both electrically connected to the control module; the air pressure monitoring module is used to monitor the air pressure in the inner cavity of the airbag, and generate an air pressure monitoring signal to send to the control module, and the control module calculates the corresponding air pressure value according to the air pressure monitoring signal, and sends the air pressure value to the display screen for display; when the calculated air pressure value is less than the minimum limit value preset by the control module, the control module controls the alarm module to perform an alarm action.

[0012] Preferably, the operation panel is also provided with a deflate button, and the electrical cavity is also provided with a solenoid valve; the solenoid valve has two interfaces, one of which passes through the sealing cover, and the other interface is communicated with the electrical cavity; a fifth relay is provided on the control board, and the control end of the fifth relay is electrically connected to the control module; the output end of the fifth relay is electrically connected to the solenoid valve, and the input end of the fifth relay is electrically connected to the battery; when the deflate button is triggered, the control module controls the fifth relay to close and the solenoid valve to open; when the stop button is triggered, the control module controls the fifth relay to disconnect and the solenoid valve to close.

[0013] Preferably, the airbag structure is a high-altitude fall-saving cushion, and the number of the inflatable devices is two; when the high-altitude fall-saving cushion is in an inflated state, the two inflatable devices are respectively located on the left and right sides of the high-altitude fall-saving cushion.

[0014] Preferably, the chemical reaction chamber is provided with a hatch, one side of the hatch is hinged to the shell, and the opposite side is snap-connected to the shell; the chemical reaction chamber is connected to the inner cavity of the airbag structure through a plurality of through holes, and a filter is provided between the plurality of through holes and the sodium azide to prevent leakage of the sodium azide.

[0015] Preferably, the control module is a single chip microcomputer control circuit.

[0016] Preferably, the emergency rescue device further comprises a storage box, and the airbag structure can be stored in the storage box when it is in a deflated state.

[0017] Due to the adoption of the above technical solution, the present invention has the following beneficial effects:

[0018] 1. The inflation device of the present invention has two inflation modes: inflation by an inflation pump and inflation by decomposition of sodium azide. It can effectively improve the inflation speed of the airbag structure, so that the operator can deflate the airbag structure for storage, and quickly inflate it when it is used, ensuring that the rescue personnel can carry out rescue work in time, overcoming the defects of the existing airbag structure that inflation storage takes up space and deflated storage and inflation time is long; the rescue personnel can select the inflation mode through the buttons on the operation panel, and the operation panel is provided with a first inflation button, a second inflation button, a third inflation button and a fourth inflation button; among them, the first inflation button is used to drive the inflation pump to inflate, and the remaining inflation buttons are used to drive the decomposition of sodium azide to inflate. The inflation speed of the latter is much higher than the former, but sodium azide needs to be consumed; chemical reaction Sodium azide and a trigger device for causing sodium azide to decompose and produce nitrogen are placed in the cavity, and the trigger device includes an igniter, an arc generator and a heater; the igniter triggers the fastest decomposition of sodium azide, and the time to produce nitrogen is in milliseconds, followed by the arc generator trigger, and finally the heater trigger; but the most dangerous is the igniter trigger, followed by the arc generator trigger, and finally the heater trigger; therefore, rescuers can choose an appropriate inflation method to inflate the airbag structure according to the urgency of time, so as to facilitate rescuers to carry out rescue work; if the sodium azide decomposition and inflation method is chosen, the second inflation key is triggered, the igniter works; the third inflation key is triggered, the arc generator works; the fourth inflation key is triggered, and the heater works.

[0019] 2. The present invention can select a suitable inflation method according to actual conditions. When time is relatively ample, the inflation method of an air pump can be selected. The inflation device has its own battery and can be inflated without connecting to a socket, which is very convenient. If time is urgent, the sodium azide decomposition inflation method can be selected. This process is irreversible, and sodium azide needs to be added again after the emergency rescue device is used. The adding operation is very simple. First, unscrew the sealing cover, then take out the main unit of the inflation device, and open the hatch of the chemical reaction chamber. Finally, add an appropriate amount of sodium azide to the chemical reaction chamber and close the hatch.

[0020] 3. The emergency rescue device of the present invention combines the inflation device and the airbag structure into one, which has the advantage of being easy to carry, and the main body of the inflation device is arranged inside the airbag structure, which will not affect the use of the rescue device, and will not even affect the appearance of the rescue device.

[0021] 4. The emergency rescue device of the present invention has the function of monitoring the internal pressure of the airbag, and is provided with an air pressure monitoring module, an alarm module and a display screen; the air pressure monitoring module is used to monitor the air pressure in the inner cavity of the airbag, and generate an air pressure monitoring signal to send to the control module, the control module calculates the corresponding air pressure value according to the air pressure monitoring signal, and sends the air pressure value to the display screen for display for rescue personnel to view; when the calculated air pressure value is less than the minimum limit value preset by the control module, the control module controls the alarm module to execute the alarm action; if the air pressure value is less than the minimum limit value, it means that the airbag structure may be insufficiently inflated or deflated, and there is a great safety hazard. The alarm action of the alarm module plays a good warning role for rescue personnel and ensures the safety of the use of the emergency rescue device.

[0022] 5. The emergency rescue device of the present invention also has an automatic deflation function. After the emergency rescue device is used, the deflation button on the control panel is triggered, the solenoid valve opens, the electrical cavity is connected to the outside world, and the gas in the airbag structure is discharged through the solenoid valve, making it convenient for rescue personnel to store the emergency rescue device.

[0023] 6. The airbag structure of the present invention can be a life buoy, a rubber boat, a high-altitude fall life-saving cushion, and can also be made into other shapes as needed to meet the various needs of rescue work; therefore, the present invention has the advantage of a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a top view of the emergency rescue device provided by Example 1 of the present invention;

[0025] Figure 2 is a schematic diagram of the internal structure of the emergency rescue device provided in Example 1 of the present invention;

[0026] Figure 3 This is a schematic diagram of electrical connections of the emergency rescue device provided in Embodiment 1 of the present invention;

[0027] Figure 4 is a top view of the emergency rescue device provided by Embodiment 2 of the present invention;

[0028] Figure 5 is a schematic diagram of the internal structure of the emergency rescue device provided in Example 2 of the present invention;

[0029] Figure 6 is a schematic diagram of electrical connections of an emergency rescue device provided by Embodiment 2 of the present invention;

[0030] Figure 7 is a front view of an emergency rescue device provided by Embodiment 3 of the present invention;

[0031] The main component symbols in the figure are explained as follows:

[0032] In the accompanying drawings, 1-airbag structure, 2-matching port, 3-sealing cover, 4-sealing gasket, 5-housing, 6-electrical cavity, 7-battery, 8-inflator, 9-control board, 10-control module, 11-first relay, 12-second relay, 13-air pressure monitoring module, 14-alarm module, 15-solenoid valve, 16-fifth relay, 17-trachea, 18-check valve, 19-chemical reaction chamber, 20-sodium azide, 21-trigger device, 22-through hole, 23-filter, 24-operation panel, 25-first inflation key, 26-second inflation key, 27-stop key, 28-display screen, 29-deflation key, 30-third relay, 31-fourth relay, 32-igniter, 33-arc generator, 34-heater, 35-third inflation key, 36-fourth inflation key.

[0033] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The drawings are only for illustrative purposes and represent only schematic diagrams, not physical drawings, and cannot be understood as limitations on this patent. In order to better illustrate the specific implementation methods of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures, parts and their descriptions in the drawings may be omitted. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Example 1

[0037] like Figure 1-3 As shown, an emergency rescue device includes an airbag structure 1 and an inflation device, wherein the inflation device includes a sealing cover 3 and a main unit. The airbag structure 1 is a life buoy.

[0038] The airbag structure 1 is provided with a matching opening 2 for the main unit to penetrate into the inner cavity of the airbag structure 1, the sealing cover 3 is threadedly connected to the matching opening 2, and a sealing gasket 4 is provided on the inner side of the sealing cover 3. In this embodiment, the sealing cover 3 is provided with an internal thread, the matching opening 2 is provided with an external thread, and the internal thread of the sealing cover 3 is threadedly connected with the external thread of the matching opening 2; the threaded connection method can ensure the connection stability and sealing performance of the sealing cover 3 and the matching opening 2. The setting of the sealing cover 3 and the matching opening 2 facilitates the disassembly and assembly of the inflation device.

[0039] The main unit is located in the airbag structure 1, and includes a shell 5, a battery 7, an air pump 8, and a control board 9. The shell 5 is fixedly connected to the sealing cover 3. When the airbag structure 1 is in a filled state, the shell 5 is spaced apart from the inner wall of the airbag structure 1. The shell 5 is provided with an electrical cavity 6 and a chemical reaction cavity 19. The battery 7, the air pump 8, and the control board 9 are all arranged in the electrical cavity 6. The present invention combines the inflatable device with the airbag structure 1, which has the advantage of being easy to carry, and the main unit of the inflatable device is arranged inside the airbag structure 1, which will not affect the use of the rescue device, and will not even affect the appearance of the rescue device.

[0040] The control board 9 is provided with a control module 10, a first relay 11, a second relay 12, a third relay 30 and a fourth relay 31. The battery 7, the control end of the first relay 11, the control end of the second relay 12, the control end of the third relay 30 and the control end of the fourth relay 31 are all electrically connected to the control module 10. The output end of the first relay 11 is electrically connected to the air pump 8, and the input end of the first relay 11 is electrically connected to the battery 7. The air outlet of the air pump 8 is connected to the inner cavity of the airbag structure 1, and the air inlet of the air pump 8 is connected to the air pipe 17. The end of the air pipe 17 away from the air pump 8 is penetrated by a sealing cover 3, and a one-way valve 18 is provided on the air pipe 17. The setting of the one-way valve 18 can prevent the gas from leaking to the outside through the air pipe 17, and at the same time prevent the water from the outside from entering the airbag structure 1 when the airbag structure 1 is used.

[0041] The chemical reaction chamber 19 is connected to the inner cavity of the airbag structure 1, and sodium azide 20 and a trigger device 21 for causing sodium azide 20 to decompose and produce nitrogen are placed in the chemical reaction chamber 19. Among them, the chemical reaction chamber 19 is provided with a hatch, one side of the hatch is hinged to the shell 5, and the opposite side is clamped to the shell 5. The chemical reaction chamber 19 is connected to the inner cavity of the airbag structure 1 through a plurality of through holes 22, and a filter 23 is provided between the plurality of through holes 22 and the sodium azide 20 to prevent the leakage of sodium azide 20. The setting of the hatch facilitates the addition of sodium azide 20 into the chemical reaction chamber 19, and the adding operation is very simple. First, unscrew the sealing cover 3, then take out the main unit of the inflation device, and open the hatch of the chemical reaction chamber 19, and finally add an appropriate amount of sodium azide 20 into the chemical reaction chamber 19 again, and close the hatch.

[0042] The trigger device 21 includes an igniter 32, an arc generator 33 and a heater 34. The output end of the second relay 12 is electrically connected to the igniter 32, and the input end of the second relay 12 is electrically connected to the battery 7. The output end of the third relay 30 is electrically connected to the arc generator 33, and the input end of the third relay 30 is electrically connected to the battery 7. The output end of the fourth relay 31 is electrically connected to the heater 34, and the input end of the fourth relay 31 is electrically connected to the battery 7. Battery 7 serves as a power supply to provide electrical energy for the entire inflatable device, can be used in any environment, does not rely on a mains socket, and provides greater convenience for rescue personnel. In this embodiment, battery 7 is a lithium-ion battery, and a charging port is provided on the top of the sealing cover 3, the charging port is electrically connected to the battery 7, and a waterproof plug for sealing the charging port is provided on the sealing cover 3, and the waterproof plug is connected to the sealing cover 3 by a connecting rope to avoid the loss of the waterproof plug.

[0043] An operation panel 24 is provided on the outer side of the sealing cover 3, and the operation panel 24 is electrically connected to the control module 10; wherein the operation panel 24 is a waterproof panel. The operation panel 24 is provided with a first inflation key 25, a second inflation key 26, a third inflation key 35, a fourth inflation key 36 and a stop key 27. When the first inflation key 25 is triggered, the control module 10 controls the first relay 11 to close, and the inflation pump 8 starts working. When the second inflation key 26 is triggered, the control module 10 controls the second relay 12 to close, and the igniter 32 starts working. When the third inflation key 35 is triggered, the control module 10 controls the third relay 30 to close, and the arc generator 33 starts working. When the fourth inflation key 36 is triggered, the control module 10 controls the fourth relay 31 to close, and the heater 34 starts working. When the stop key 27 is triggered, the first relay 11, the second relay 12, the third relay 30 and the fourth relay 31 are all in a disconnected state under the control of the control module 10. In this embodiment, the control module 10 is a single-chip microcomputer control circuit, and the single-chip microcomputer model is STC89C52.

[0044] Rescuers can select the inflation mode through the buttons on the operation panel 24. The operation panel 24 is provided with a first inflation button 25, a second inflation button 26, a third inflation button 35 and a fourth inflation button 36; wherein, the first inflation button 25 is used to drive the inflation pump 8 to inflate, and the remaining inflation buttons are used to drive the sodium azide 20 to decompose and inflate. The inflation speed of the latter is much higher than the former, but sodium azide 20 needs to be consumed. Sodium azide 20 and a trigger device 21 for causing sodium azide 20 to decompose and produce nitrogen are placed in the chemical reaction chamber 19. The trigger device 21 includes an igniter 32, an arc generator 33 and a heater 34. The igniter 32 triggers the fastest decomposition of sodium azide 20, and the time to produce nitrogen is in the millisecond level, followed by the arc generator 33 triggering, and finally the heater 34 triggering; however, the most dangerous is the igniter 32 triggering, followed by the arc generator 33 triggering, and finally the heater 34 triggering. Therefore, rescuers can choose an appropriate inflation method to inflate the airbag structure 1 according to the urgency of time, so as to facilitate rescuers to carry out rescue work. If the inflation method of sodium azide 20 decomposition is selected, the second inflation key 26 is triggered, the igniter 32 works; the third inflation key 35 is triggered, the arc generator 33 works; the fourth inflation key 36 is triggered, and the heater 34 works.

[0045] Rescuers can choose a suitable inflation method according to the actual situation. When time is sufficient, they can choose to use an inflation pump 8 to inflate. The inflation device has a battery 7 and can be inflated without connecting to a socket, which is very convenient. If time is urgent, an igniter 32, an arc generator or a heater 34 can be selected according to the degree of urgency to trigger the decomposition of sodium azide 20 to achieve rapid inflation.

[0046] In addition, the emergency rescue device also includes a storage box. When the airbag structure 1 is in a deflated state, it can be stored in the storage box, which makes it convenient for rescue personnel to store the airbag structure 1.

[0047] Example 2

[0048] like Figure 4-6 As shown, an emergency rescue device includes an airbag structure 1 and an inflation device, wherein the inflation device includes a sealing cover 3 and a main engine; wherein the airbag structure 1 is a rubber boat. The airbag structure 1 is provided with a matching opening 2 for the main engine to penetrate into the inner cavity of the airbag structure 1, and the matching opening 2 is located at the top of the front side of the rubber boat. The sealing cover 3 is threadedly connected to the matching opening 2, and a sealing gasket 4 is arranged on the inner side of the sealing cover 3.

[0049] The host is located in the airbag structure 1, and includes a shell 5, a battery 7, an air pump 8 and a control board 9. The shell 5 is fixedly connected to the sealing cover 3. When the airbag structure 1 is in a filled state, the shell 5 is spaced apart from the inner wall of the airbag structure 1. The shell 5 is provided with an electrical chamber 6 and a chemical reaction chamber 19. The battery 7, the air pump 8 and the control board 9 are all arranged in the electrical chamber 6. The control board 9 is provided with a control module 10, a first relay 11, a second relay 12, a third relay 30 and a fourth relay 31. The battery 7, the control end of the first relay 11, the control end of the second relay 12, the control end of the third relay 30 and the control end of the fourth relay 31 are all electrically connected to the control module 10. The output end of the first relay 11 is electrically connected to the air pump 8, and the input end of the first relay 11 is electrically connected to the battery 7. The air outlet of the air pump 8 is connected to the inner cavity of the airbag structure 1 , and the air inlet of the air pump 8 is connected to an air pipe 17 . A sealing cover 3 is passed through the end of the air pipe 17 away from the air pump 8 , and a one-way valve 18 is arranged on the air pipe 17 .

[0050] The chemical reaction chamber 19 is connected to the inner cavity of the airbag structure 1, and sodium azide 20 and a trigger device 21 for causing the sodium azide 20 to decompose and generate nitrogen are placed in the chemical reaction chamber 19. The chemical reaction chamber 19 is provided with a hatch, one side of which is hinged to the shell 5, and the opposite side is snap-fitted to the shell 5. The chemical reaction chamber 19 is connected to the inner cavity of the airbag structure 1 through a plurality of through holes 22, and a filter 23 is provided between the plurality of through holes 22 and the sodium azide 20 to prevent the sodium azide 20 from leaking.

[0051] The trigger device 21 includes an igniter 32, an arc generator 33 and a heater 34. The output end of the second relay 12 is electrically connected to the igniter 32, and the input end of the second relay 12 is electrically connected to the battery 7. The output end of the third relay 30 is electrically connected to the arc generator 33, and the input end of the third relay 30 is electrically connected to the battery 7; the output end of the fourth relay 31 is electrically connected to the heater 34, and the input end of the fourth relay 31 is electrically connected to the battery 7. In this embodiment, the battery 7 is a storage battery.

[0052] An operation panel 24 is provided on the outer side of the sealing cover 3, and the operation panel 24 is electrically connected to the control module 10; wherein the operation panel 24 is a waterproof panel. The operation panel 24 is provided with a first inflation key 25, a second inflation key 26, a third inflation key 35, a fourth inflation key 36 and a stop key 27. When the first inflation key 25 is triggered, the control module 10 controls the first relay 11 to close, and the inflation pump 8 starts working. When the second inflation key 26 is triggered, the control module 10 controls the second relay 12 to close, and the igniter 32 starts working. When the third inflation key 35 is triggered, the control module 10 controls the third relay 30 to close, and the arc generator 33 starts working. When the fourth inflation key 36 is triggered, the control module 10 controls the fourth relay 31 to close, and the heater 34 starts working. When the stop key 27 is triggered, the first relay 11, the second relay 12, the third relay 30 and the fourth relay 31 are all in a disconnected state under the control of the control module 10.

[0053] The operation panel 24 is also provided with a display screen 28. The electrical cavity 6 is connected to the inner cavity of the airbag structure 1. The electrical cavity 6 is provided with an air pressure monitoring module 13 and an alarm module 14. The air pressure monitoring module 13 and the alarm module 14 are both electrically connected to the control module 10. The air pressure monitoring module 13 is used to monitor the air pressure in the inner cavity of the airbag, and generate an air pressure monitoring signal to send to the control module 10. The control module 10 calculates the corresponding air pressure value according to the air pressure monitoring signal, and sends the air pressure value to the display screen 28 for display for rescue personnel to view. When the calculated air pressure value is less than the minimum limit value preset by the control module 10, the control module 10 controls the alarm module 14 to perform an alarm action. If the air pressure value is less than the minimum limit value, it means that the airbag structure 1 may be insufficiently inflated or deflated, and there is a great safety hazard. The alarm action of the alarm module 14 plays a good warning role for rescue personnel and ensures the safety of the use of the emergency rescue device. When the operator uses the inflation pump 8 to inflate the airbag structure 1, the operator can also judge whether the inflation meets the requirements through the numerical value displayed on the display screen 28 to avoid over-inflation.

[0054] In addition, the operation panel 24 is also provided with a deflation button 29, and the electrical cavity 6 is also provided with a solenoid valve 15. The solenoid valve 15 has two interfaces, one of which is provided with a sealing cover 3, and the other interface is communicated with the electrical cavity 6; a fifth relay 16 is provided on the control board 9, and the control end of the fifth relay 16 is electrically connected to the control module 10. The output end of the fifth relay 16 is electrically connected to the solenoid valve 15, and the input end of the fifth relay 16 is electrically connected to the battery 7. When the deflation button 29 is triggered, the control module 10 controls the fifth relay 16 to close and the solenoid valve 15 to open; when the stop button 27 is triggered, the control module 10 controls the fifth relay 16 to disconnect and the solenoid valve 15 to close. In this embodiment, the control module 10 is a single-chip control circuit.

[0055] The deflation button 29 is used to deflate the airbag structure 1. After the emergency rescue device is used, the deflation button 29 on the control panel is triggered, the solenoid valve 15 is opened, the electrical chamber 6 is connected to the outside world, and the gas in the airbag structure 1 is discharged through the solenoid valve 15, which is convenient for rescue personnel to store the emergency rescue device. In addition, sodium azide 20 may slowly decompose under severe vibration, produce nitrogen, and thus cause the pressure inside the airbag to increase. When the air pressure monitoring module 13 detects that the pressure inside the airbag increases to the set dangerous limit, the control module 10 controls the fifth relay 16 to close and the solenoid valve 15 to open, and perform automatic pressure relief operation. When the air pressure monitoring module 13 detects that the pressure inside the airbag is less than the set dangerous limit, the control module 10 controls the fifth relay 16 to disconnect and the solenoid valve 15 to close.

[0056] Example 3

[0057] like Figure 7 As shown, an emergency rescue device includes an airbag structure 1 and an inflating device, the inflating device includes a sealing cover 3 and a main unit; the airbag structure 1 is provided with a matching opening 2 for the main unit to penetrate into the inner cavity of the airbag structure 1, the sealing cover 3 is threadedly connected with the matching opening 2, and a sealing gasket 4 is arranged on the inner side of the sealing cover 3. Among them, the airbag structure 1 is a high-altitude fall life-saving cushion, and the number of the inflating devices is two; when the high-altitude fall life-saving cushion is in an inflated state, the two inflating devices are respectively located on the left and right sides of the high-altitude fall life-saving cushion.

[0058] In addition, the structure of the inflation device in this embodiment is the same as that of the inflation device in Example 1, and the size of the inflation device, the inflation speed of the inflation pump 8, and the content of sodium azide 20 are adjusted according to actual conditions.

[0059] The airbag structure 1 of the present invention can be a life buoy, a rubber boat, a high-altitude fall life-saving cushion, and can also be made into other shapes as needed to meet various needs of rescue work; therefore, the present invention has the advantage of a wide range of applications.

[0060] The inflation device of the present invention has two inflation modes: inflation by an air pump 8 and inflation by decomposition of sodium azide 20. It can effectively improve the inflation speed of the airbag structure 1, so that the operator can deflate the airbag structure 1 for storage, and quickly inflate it when it is used, ensuring that rescue personnel can carry out rescue work in a timely manner, and overcoming the defects of the existing airbag structure 1 that the inflated storage takes up space and the deflated storage and inflation time is long.

[0061] The above description is a detailed description of the preferred feasible embodiments of the present invention, but the embodiments are not intended to limit the scope of the patent application of the present invention. All equivalent changes or modified changes completed under the technical spirit suggested by the present invention should fall within the patent scope covered by the present invention.

Claims

1. An emergency rescue device, comprising an airbag structure and an inflation device, characterized in that: The inflation device comprises a sealing cover and a main unit; The airbag structure is provided with a matching opening for the main machine to penetrate into the inner cavity of the airbag structure, the sealing cover is threadedly connected to the matching opening, and a sealing gasket is arranged on the inner side of the sealing cover; The host is located in the airbag structure, and includes a shell, a battery, an air pump and a control board; the shell is fixedly connected to the sealing cover, and when the airbag structure is in an inflated state, the shell is spaced apart from the inner wall of the airbag structure; the shell is provided with an electrical cavity and a chemical reaction cavity; the battery, the air pump and the control board are all arranged in the electrical cavity; the control board is provided with a control module, a first relay, a second relay, a third relay and a fourth relay; the battery, the control end of the first relay, the control end of the second relay, the control end of the third relay and the control end of the fourth relay are all electrically connected to the control module; the output end of the first relay is electrically connected to the air pump, and the input end of the first relay is electrically connected to the battery; The air outlet of the pump is connected to the inner cavity of the airbag structure, the air inlet of the inflation pump is connected to an air pipe, the sealing cover is passed through one end of the air pipe away from the inflation pump, and a one-way valve is arranged on the air pipe; the chemical reaction chamber is connected to the inner cavity of the airbag structure, sodium azide and a trigger device for causing sodium azide to decompose and generate nitrogen are placed in the chemical reaction chamber, and the trigger device includes an igniter, an arc generator and a heater; the output end of the second relay is electrically connected to the igniter, and the input end of the second relay is electrically connected to the battery; the output end of the third relay is electrically connected to the arc generator, and the input end of the third relay is electrically connected to the battery; the output end of the fourth relay is electrically connected to the heater, and the input end of the fourth relay is electrically connected to the battery; An operation panel is provided on the outer side of the sealing cover, and the operation panel is electrically connected to the control module; the operation panel is provided with a first inflation key, a second inflation key, a third inflation key, a fourth inflation key and a stop key; when the first inflation key is triggered, the control module controls the first relay to close, and the inflation pump starts to work; when the second inflation key is triggered, the control module controls the second relay to close, and the igniter starts to work; when the third inflation key is triggered, the control module controls the third relay to close, and the arc generator starts to work; when the fourth inflation key is triggered, the control module controls the fourth relay to close, and the heater starts to work; when the stop key is triggered, the first relay, the second relay, the third relay and the fourth relay are all in a disconnected state under the control of the control module; The chemical reaction chamber is provided with a hatch, one side of the hatch is hinged to the shell, and the opposite side is clamped to the shell; the chemical reaction chamber is connected to the inner cavity of the airbag structure through a plurality of through holes, and a filter screen is provided between the plurality of through holes and the sodium azide to prevent leakage of the sodium azide; The emergency rescue device also includes a storage box, and the airbag structure can be stored in the storage box when it is in a deflated state.

2. An emergency rescue device according to claim 1, characterized in that: The airbag structure is a life buoy, and the operation panel is a waterproof panel.

3. An emergency rescue device according to claim 1, characterized in that: The airbag structure is a rubber boat, and the matching opening is located at the top of the front side of the rubber boat.

4. An emergency rescue device according to claim 3, characterized in that: The operation panel is a waterproof panel, and is also provided with a display screen; the electrical cavity is connected to the inner cavity of the airbag structure, and an air pressure monitoring module and an alarm module are provided in the electrical cavity, and both the air pressure monitoring module and the alarm module are electrically connected to the control module; the air pressure monitoring module is used to monitor the air pressure in the inner cavity of the airbag, and generate an air pressure monitoring signal to send to the control module, and the control module calculates the corresponding air pressure value according to the air pressure monitoring signal, and sends the air pressure value to the display screen for display; when the calculated air pressure value is less than the minimum limit value preset by the control module, the control module controls the alarm module to perform an alarm action.

5. An emergency rescue device according to claim 4, characterized in that: The operation panel is also provided with a deflation button, and the electrical cavity is also provided with a solenoid valve; the solenoid valve has two interfaces, one of which passes through the sealing cover, and the other interface is communicated with the electrical cavity; a fifth relay is provided on the control board, and the control end of the fifth relay is electrically connected to the control module; the output end of the fifth relay is electrically connected to the solenoid valve, and the input end of the fifth relay is electrically connected to the battery; when the deflation button is triggered, the control module controls the fifth relay to close and the solenoid valve to open; when the stop button is triggered, the control module controls the fifth relay to disconnect and the solenoid valve to close.

6. An emergency rescue device according to claim 1, characterized in that: The airbag structure is a high-altitude fall life-saving cushion, and the number of the inflatable devices is two; when the high-altitude fall life-saving cushion is in an inflated state, the two inflatable devices are respectively located on the left and right sides of the high-altitude fall life-saving cushion.

7. An emergency rescue device according to claim 1, characterized in that: The control module is a single chip microcomputer control circuit.

Images