Pneumatic device, seat assembly and vehicle

Abstract

The utility model provides a pneumatic device, a seat assembly and a vehicle, in the pneumatic device, an air pump is connected with a first air bag and a second air bag through an air path assembly; the control module is connected with the air pump and the air path assembly and used for controlling the air pump and the air path assembly to work, so that the first air bag is in an expanded state to provide a safety protection function for passengers, and / or the second air bag is in an expanded state to provide a comfort function for the passengers. In the utility model, the safety air bag assembly and the comfort air bag assembly are combined by the pneumatic device, so that the safety air bag assembly expands to provide a safety protection function for passengers, and the comfort air bag assembly expands to provide a comfort function for the passengers; the safety protection function and the comfort function are integrated, the functionality, the application range and the practicability of the pneumatic device are improved, and the using requirements of passengers can be better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to airbag assembly technical field, especially air device, seat assembly and vehicle. BACKGROUND

[0002] At present, air device is mainly applied on vehicle and is used for protecting passenger. Air device is mainly installed on seat, steering wheel and body structure of vehicle, when safety event occurs, airbag of air device can provide safety protection for passenger. But the existing air device has single function, small application range and cannot satisfy the use demand of passenger. SUMMARY

[0003] The utility model provides a kind of air device, seat assembly and vehicle, to solve the problem of single function of existing air device, small application range.

[0004] An air device, comprising air pump, gas circuit assembly, first airbag, second airbag and control module;

[0005] The air pump is connected with the first airbag and the second airbag through the gas circuit assembly;

[0006] The control module is connected with the air pump and the gas circuit assembly, for controlling the air pump and the gas circuit assembly to work, so that the first airbag is in the inflation state to provide safety protection function for passenger, and / or the second airbag is in the inflation state to provide comfort function for passenger.

[0007] Preferably, the air device further comprises a high-pressure gas tank, the input end of the high-pressure gas tank is connected with the air pump through the gas circuit assembly, the output end of the high-pressure gas tank is connected with the first airbag through the gas circuit assembly, for making the first airbag in the inflation state;

[0008] The first airbag is provided with a deflation structure, the deflation structure is used for making the first airbag in the recycling state.

[0009] Preferably, the first airbag comprises at least one of head airbag, knee airbag, side airbag and cushion airbag;

[0010] The head airbag is connected with the output end of the high-pressure gas tank through the gas circuit assembly, and the head airbag is used for being installed in the head protection area;

[0011] The knee airbag is connected with the output end of the high-pressure gas tank through the gas circuit assembly, and the knee airbag is used for being installed in the knee protection area;

[0012] The side safety airbag is connected with the output end of the high-pressure gas tank through the gas path assembly, and is used for being installed in a passenger side protection area.

[0013] The seat cushion full airbag is connected with the output end of the high-pressure gas tank through the gas path assembly, and is used for being installed in a seat cushion protection area.

[0014] Preferably, the deflation structure comprises a deflation hole and a plug;

[0015] The deflation hole is arranged in the first airbag, and the plug is installed in the deflation hole.

[0016] Preferably, the gas path assembly comprises a first adapter, a second adapter, a first gas pipe, a second gas pipe, a third gas pipe, a fourth gas pipe, a fifth gas pipe and a sixth gas pipe;

[0017] The first end of the first adapter is connected with the air pump through the first gas pipe, the second end of the first adapter is connected with the input end of the high-pressure gas tank through the second gas pipe, the third end of the first adapter is connected with the output end of the high-pressure gas tank through the third gas pipe, the fourth end of the first adapter is connected with the first airbag through the fourth gas pipe, the first end of the second adapter is connected with the air pump through the fifth gas pipe, and the second end of the second adapter is connected with the second airbag through the sixth gas pipe.

[0018] Preferably, the first gas pipe is provided with a first gas valve, the second gas pipe is provided with a second gas valve, the third gas pipe is provided with a third gas valve, the fourth gas pipe is provided with a fourth gas valve, the fifth gas pipe is provided with a fifth gas valve, and the sixth gas pipe is provided with a sixth gas valve;

[0019] The control module is connected with the first gas valve, the second gas valve, the third gas valve, the fourth gas valve, the fifth gas valve and the sixth gas valve, and is used for controlling any pair of gas valves among the first gas valve and the second gas valve, the third gas valve and the fourth gas valve and the fifth gas valve and the sixth gas valve to work, so that any one of the following situations occurs: the high-pressure gas tank is filled with gas, the first airbag is in an inflated state, and the second airbag is in an inflated state.

[0020] Preferably, the pneumatic device further comprises a first sensing module and a second sensing module;

[0021] The first sensing module is used for collecting a first measured signal corresponding to the first airbag.

[0022] The second sensing module is used for collecting a second measured signal corresponding to the second airbag.

[0023] The control module is connected with the first sensing module and the second sensing module, and is used for controlling the air pump and the high-pressure air tank to work according to the first measured signal, and is used for controlling the air pump to work according to the second measured signal.

[0024] Preferably, the control module comprises a first control unit and a second control unit.

[0025] The first control unit is connected with the first sensing module, and is used for controlling the air pump and the high-pressure air tank to work according to the first measured signal.

[0026] The second control unit is connected with the second sensing module, and is used for controlling the air pump to work according to the second measured signal.

[0027] A seat assembly comprising the pneumatic device.

[0028] The air pump assembly is installed on the seat, the first air bag is arranged at least one of a head region, a knee region, a side region and a cushion region of the seat, and the second air bag is arranged at a backrest region and / or a cushion region of the seat.

[0029] A vehicle comprising the seat assembly.

[0030] The pneumatic device combines the safety air bag assembly and the comfort air bag assembly, can inflate the safety air bag assembly by the air pump assembly, can make the safety air bag assembly expand to provide a safety protection function for the passenger, can inflate the comfort air bag assembly by the air pump assembly, can make the comfort air bag assembly expand to provide a comfort function for the passenger, and can inflate both the safety air bag assembly and the comfort air bag assembly by the air pump assembly, can make the safety air bag assembly expand to provide a safety protection function for the passenger, and can make the comfort air bag assembly expand to provide a comfort function for the passenger; the safety protection function and the comfort function are integrated, the functionality, the application range and the practicability of the pneumatic device are improved, and the use demand of the passenger can be better met. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0032] Figure 1 is an axial side view of the pneumatic device in an embodiment of the present application;

[0033] Figure 2is a partial structure diagram of a safety airbag assembly in an embodiment of the utility model;

[0034] Figure 3 is a shaft side view of a comfort airbag assembly in an embodiment of the utility model;

[0035] Figure 4 is an initial state diagram of a pneumatic device on a seat in an embodiment of the utility model;

[0036] Figure 5 is a working state diagram of a pneumatic device on a seat in an embodiment of the utility model;

[0037] Figure 6 is an initial state diagram of an airbag assembly on a seat in an embodiment of the utility model.

[0038] 1, air pump;2, air path assembly;21, first adapter;22, second adapter;23, first air pipe;24, second air pipe;25, third air pipe;26, fourth air pipe;261, head safety airbag air pipe;262, knee safety airbag air pipe;27, fifth air pipe;28, sixth air pipe;3, first airbag;31, head safety airbag;32, knee safety airbag;4, second airbag;41, massage airbag;42, support airbag;5, control module;51, first control unit;52, second control unit;6, high-pressure gas tank;7, first air valve;8, second air valve;9, third air valve;10, fourth air valve;11, seat;111, front seat;112, rear seat;12, airbag assembly. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects solved by the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0040] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0041] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] The utility model embodiment provides a kind of pneumatic device, refer to Figure 1 The pneumatic device includes air pump 1, gas circuit assembly 2, first air bag 3, second air bag 4 and control module 5;Air pump 1 is connected with first air bag 3 and second air bag 4 by gas circuit assembly 2;Control module 5 is connected with air pump 1 and gas circuit assembly 2, for controlling air pump 1 and gas circuit assembly 2 work, make first air bag 3 be in the inflation state and provide safety protection function for passenger, and / or make second air bag 4 be in the inflation state and provide comfort function for passenger.

[0043] As an example, the pneumatic device is mainly but not limited to applied on vehicle, specifically including air pump 1, gas circuit assembly 2, first air bag 3, second air bag 4 and control module 5. First air bag 3 is safety air bag, can be installed in seat 11, also can be installed in vehicle body structure, provides safety protection function for passenger;Second air bag 4 is comfort air bag, can be installed on seat 11, also can be installed in vehicle body structure, provides basic comfort function (such as massage function and / or support function) for passenger. Air pump 1 is connected with first air bag 3 and second air bag 4 by gas circuit assembly 2, control module 5 is connected with air pump 1 and gas circuit assembly 2;In this way, control module 5 can control air pump 1 and gas circuit assembly 2 work, inflate first air bag 3, make first air bag 3 be in the inflation state, and provide safety protection function for passenger. Control module 5 can control air pump 1 and gas circuit assembly 2 work, inflate second air bag 4, make second air bag 4 be in the inflation state, and provide comfort function for passenger.

[0044] The pneumatic device in the present example combines safety air bag and comfort air bag, can inflate safety air bag by air pump 1, make safety air bag inflate and provide safety protection function for passenger, can inflate comfort air bag by air pump 1, make comfort air bag inflate and provide comfort function for passenger, also can inflate safety air bag and comfort air bag by air pump 1, make safety air bag inflate and provide safety protection function for passenger, at the same time, make comfort air bag inflate and provide comfort function for passenger;The pneumatic device integrates safety protection function and comfort function, improves the functionality, application range and practicability of the pneumatic device, can better meet the use demand of passenger.

[0045] In an embodiment, refer to Figure 1, the pneumatic device further comprises a high-pressure tank 6, an input end of the high-pressure tank 6 is connected with the air pump 1 through the air path assembly 2, and an output end of the high-pressure tank 6 is connected with the first air bag 3 through the air path assembly 2, so as to make the first air bag 3 in an inflation state; the first air bag 3 is provided with a deflation structure, and the deflation structure is used to make the first air bag 3 in a recycling state.

[0046] The existing safety air bag is generally a disposable safety air bag assembly mainly composed of a wire harness assembly, a generator and an air bag body; when a safety event occurs, the generator is detonated to generate high-pressure gas according to the input signal of the whole vehicle, the air bag body is filled, and the inflation of the air bag body achieves the purpose of protecting the passengers. The existing generator is a disposable product, and needs to be scrapped after the generator is detonated, which causes great cost waste.

[0047] As an example, the pneumatic device further comprises a high-pressure tank 6, when installed, an input end of the high-pressure tank 6 is connected with the air pump 1 through the air path assembly 2, so that the control module 5 controls the air pump 1 and the air path assembly 2 to work, the high-pressure tank 6 can be inflated by the air pump 1, air supplement of the high-pressure tank 6 is realized, and the next use is facilitated. An output end of the high-pressure tank 6 is connected with the first air bag 3 through the air path assembly 2, so that the control module 5 controls the air path assembly 2 to work, the first air bag 3 can be inflated by the high-pressure tank 6, the first air bag 3 is in an inflation state, and a safety protection function is provided for passengers. The first air bag 3 is provided with a deflation structure, and the first air bag 3 can be deflated through the deflation structure, so that the first air bag 3 returns to a recycling state from the inflation state.

[0048] When protection is needed, the high-pressure tank 6 inflates the first air bag 3 through the air path assembly 2, the first air bag 3 inflates rapidly, the displacement of the body of the passenger is reduced, the passenger is protected from colliding with a hard object, and the injury of the passenger is reduced; after the protection ends, the first air bag 3 can be deflated through the deflation structure, the first air bag 3 is a foldable air bag, the first air bag 3 after deflation can be folded and stored in the original installation position according to requirements, finally the high-pressure tank 6 can be inflated again by the air pump 1, air supplement of the high-pressure tank 6 is realized, and the next use is facilitated. In the example, the high-pressure tank 6 is used in cooperation with the deflation structure, the first air bag 3 can be inflated and deflated repeatedly, so that the first air bag 3 is in the inflation state or the recycling state, the purpose of repeated use of the first air bag 3 is achieved, the first air bag 3 becomes a reusable product, the use cost is reduced, and waste is avoided.

[0049] In an embodiment, with reference to Figure 1 , Figure 4 and Figure 5The first airbag 3 includes at least one of a head airbag 31, a knee airbag 32, a side airbag and a seat cushion airbag. The head airbag 31 is connected to the output end of the high-pressure tank 6 through the gas path assembly 2 and is installed in a head protection area. The knee airbag 32 is connected to the output end of the high-pressure tank 6 through the gas path assembly 2 and is installed in a knee protection area. The side airbag is connected to the output end of the high-pressure tank 6 through the gas path assembly 2 and is installed in a side protection area of an occupant. The seat cushion airbag is connected to the output end of the high-pressure tank 6 through the gas path assembly 2 and is installed in a seat cushion protection area.

[0050] As an example, the first airbag 3 can be designed according to actual needs, and there are four cases.

[0051] In the first case, a single airbag works. For example, the first airbag 3 includes the head airbag 31, which is connected to the output end of the high-pressure tank 6 through the gas path assembly 2 and is installed in a head protection area. The head airbag 31 is inflated by the high-pressure tank 6 and the gas path assembly 2, and expands rapidly to protect the head of the occupant from colliding with a hard object and reduce the injury of the occupant.

[0052] Alternatively, the first airbag 3 includes the knee airbag 32, which is connected to the output end of the high-pressure tank 6 through the gas path assembly 2 and is installed in a knee protection area. The knee airbag 32 is inflated by the high-pressure tank 6 and the gas path assembly 2, and expands rapidly to protect the knee of the occupant from colliding with a hard object and reduce the injury of the occupant.

[0053] Alternatively, the first airbag 3 includes the side airbag, which is connected to the output end of the high-pressure tank 6 through the gas path assembly 2 and is installed in a side protection area of an occupant, such as a back side protection area, a chest side protection area and a head side protection area. The side airbag is inflated by the high-pressure tank 6 and the gas path assembly 2, and expands rapidly to protect the back, chest and head of the occupant from colliding with a hard object and reduce the injury of the occupant.

[0054] Alternatively, the first airbag 3 includes the seat cushion airbag, which is connected to the output end of the high-pressure tank 6 through the gas path assembly 2 and is installed in a seat cushion protection area. The seat cushion airbag is inflated by the high-pressure tank 6 and the gas path assembly 2, and expands rapidly to protect the occupant from colliding with a hard object and reduce the injury of the occupant.

[0055] The second case is that two air bags work simultaneously: for example, the first air bag 3 includes a head safety air bag 31 and a knee safety air bag 32, so that the head safety air bag 31 is inflated by the high-pressure gas tank 6 and the gas path assembly 2, and expands rapidly to protect the head of the occupant from colliding with a hard object, and at the same time, the knee safety air bag 32 is inflated by the high-pressure gas tank 6 and the gas path assembly 2, and expands rapidly to protect the knee of the occupant from colliding with a hard object.

[0056] Alternatively, the first air bag 3 includes a head safety air bag 31 and a side safety air bag; alternatively, the first air bag 3 includes a head safety air bag 31 and a seat cushion full air bag; alternatively, the first air bag 3 includes a knee safety air bag 32 and a side safety air bag; alternatively, the first air bag 3 includes a knee safety air bag 32 and a seat cushion full air bag; alternatively, the first air bag 3 includes a side safety air bag and a seat cushion full air bag.

[0057] The third case is that three air bags work simultaneously: for example, the first air bag 3 includes a head safety air bag 31, a knee safety air bag 32 and a side safety air bag; so that the head safety air bag 31, the knee safety air bag 32 and the side safety air bag are inflated simultaneously by the high-pressure gas tank 6 and the gas path assembly 2, and all of them expand rapidly to protect the corresponding parts from colliding with a hard object.

[0058] Alternatively, the first air bag 3 includes a head safety air bag 31, a knee safety air bag 32 and a seat cushion safety air bag; alternatively, the first air bag 3 includes a knee safety air bag 32 and a side safety air bag and a seat cushion safety air bag; alternatively, the first air bag 3 includes a head safety air bag 31, a side safety air bag and a seat cushion safety air bag.

[0059] The fourth case is that four air bags work simultaneously: for example, the first air bag 3 includes a head safety air bag 31, a knee safety air bag 32, a side safety air bag and a seat cushion safety air bag, so that the head safety air bag 31, the knee safety air bag 32, the side safety air bag and the seat cushion safety air bag are inflated simultaneously by the high-pressure gas tank 6 and the gas path assembly 2, and all of them expand rapidly to protect the corresponding parts from colliding with a hard object.

[0060] Among them, the first air bag 3 can also be an abdominal safety air bag, a back safety air bag and a leg safety air bag, etc., which is arranged at the corresponding position to protect the corresponding part of the occupant; the first air bag 3 can also be arranged around the sitting periphery of the occupant for the protection of any part of the body of the occupant or the comprehensive protection of the occupant, to provide the occupant with all-around protection.

[0061] In an embodiment, the deflation structure includes a deflation hole and a plug; the deflation hole is arranged in the safety air bag, and the plug is installed in the deflation hole.

[0062] As an example, the deflation structure includes a deflation hole and a plug; when installed, the deflation hole is arranged in the safety air bag, through which the first air bag 3 can be deflated, the first air bag 3 is a foldable air bag, and the deflated first air bag 3 can be folded and stored in the original installation position as required, and finally the high-pressure gas tank 6 can be re-inflated by the air pump 1 to realize air replenishment of the high-pressure gas tank 6, facilitating next use. The plug is installed in the deflation hole to block the deflation hole and prevent the first air bag 3 from leaking and affecting the next expansion.

[0063] In an embodiment, referring to Figure 1 and Figure 2 , the gas path assembly 2 includes a first adapter 21, a second adapter 22, a first air pipe 23, a second air pipe 24, a third air pipe 25, a fourth air pipe 26, a fifth air pipe 27, and a sixth air pipe 28; the first end of the first adapter 21 is connected to the air pump 1 through the first air pipe 23, the second end of the first adapter 21 is connected to the input end of the high-pressure gas tank 6 through the second air pipe 24, the third end of the first adapter 21 is connected to the output end of the high-pressure gas tank 6 through the third air pipe 25, the fourth end of the first adapter 21 is connected to the first air bag 3 through the fourth air pipe 26, the first end of the second adapter 22 is connected to the air pump 1 through the fifth air pipe 27, and the second end of the second adapter 22 is connected to the second air bag 4 through the sixth air pipe 28.

[0064] As an example, the gas circuit assembly 2 includes a first adapter 21, a second adapter 22, a first gas pipe 23, a second gas pipe 24, a third gas pipe 25, a fourth gas pipe 26, a fifth gas pipe 27 and a sixth gas pipe 28, the first gas pipe 23 is a first inflation gas pipe, the second gas pipe 24 is a high-pressure tank input gas pipe, the third gas pipe 25 is a high-pressure tank output gas pipe, the fourth gas pipe 26 is a first gas bag gas pipe, the fifth gas pipe 27 is a second inflation gas pipe, and the sixth gas pipe 28 is a second gas bag gas pipe. When installed, the first end of the first adapter 21 is connected to the air pump 1 through the first inflation gas pipe, the second end of the first adapter 21 is connected to the input end of the high-pressure tank 6 through the high-pressure tank input gas pipe, the third end of the first adapter 21 is connected to the output end of the high-pressure tank 6 through the high-pressure tank output gas pipe, and the fourth end of the first adapter 21 is connected to the first gas bag 3 through the first gas bag gas pipe. The first end of the second adapter 22 is connected to the air pump 1 through the second inflation gas pipe, and the second end of the second adapter 22 is connected to the second gas bag 4 through the second gas bag gas pipe. In this way, the air pump 1 inflates the high-pressure tank 6 through the first inflation gas pipe, the first adapter 21 and the high-pressure tank input gas pipe, the high-pressure tank 6 inflates the first gas bag 3 through the high-pressure tank output gas pipe, the first adapter 21 and the first gas bag gas pipe, and the air pump 1 inflates the second gas bag 4 through the second inflation gas pipe, the second adapter 22 and the second gas bag gas pipe. The gas in the first gas pipe 23, the second gas pipe 24, the third gas pipe 25 and the fourth gas pipe 26 all flows through the first adapter 21, so that the gas in each gas pipe can be reasonably utilized and gas waste can be avoided. Among them, the pipe diameter of the high-pressure tank output gas pipe is greater than the pipe diameter of the high-pressure tank input gas pipe, so as to facilitate the distinction between the gas pipes and avoid the wrong installation affecting the equipment work.

[0065] In an embodiment, referring to Figure 1 and Figure 2 , the first gas pipe 23 is provided with a first gas valve 7, the second gas pipe 24 is provided with a second gas valve 8, the third gas pipe 25 is provided with a third gas valve 9, the fourth gas pipe 26 is provided with a fourth gas valve 10, the fifth gas pipe 27 is provided with a fifth gas valve, and the sixth gas pipe 28 is provided with a sixth gas valve; the control module 5 is connected to the first gas valve 7, the second gas valve 8, the third gas valve 9, the fourth gas valve 10, the fifth gas valve and the sixth gas valve, and is used to control the first gas valve 7 and the second gas valve 8, the third gas valve 9 and the fourth gas valve 10, and any one pair of gas valves in the fifth gas valve and the sixth gas valve to work, so that any one of the conditions that the high-pressure tank 6 is replenished with gas, the first gas bag 3 is in an inflated state and the second gas bag 4 is in an inflated state occurs.

[0066] As an example, the first air valve 7 is arranged on the first air pipe 23, the second air valve 8 is arranged on the second air pipe 24, the third air valve 9 is arranged on the third air pipe 25, the fourth air valve 10 is arranged on the fourth air pipe 26, the fifth air valve is arranged on the fifth air pipe 27, and the sixth air valve is arranged on the sixth air pipe 28. The control module 5 is connected with the first air valve 7, the second air valve 8, the third air valve 9, the fourth air valve 10, the fifth air valve and the sixth air valve. In this way, the control module 5 can control the first air valve 7 and the second air valve 8 to work, so that the air pump 1 can charge the high-pressure gas tank 6 through the first charging air pipe, the first adapter 21 and the high-pressure gas tank input air pipe, so as to realize the air supplement of the high-pressure gas tank 6. The control module 5 can control the third air valve 9 and the fourth air valve 10 to work, so that the high-pressure gas tank 6 can charge the first air bag 3 through the high-pressure gas tank output air pipe, the first adapter 21 and the first air bag air pipe. The first air bag 3 expands rapidly, reduces the displacement of the passenger's body, protects the passenger from colliding with hard objects, and reduces the injury of the passenger. The control module 5 can also control the fifth air valve and the sixth air valve to work, so that the air pump 1 can charge the second air bag 4 through the second charging air pipe, the second adapter 22 and the second air bag air pipe. The second air bag 4 expands and provides comfort function for the passenger, improving the passenger experience. The gas valves on the air pipes can control the flow of gas in the air pipes, so as to control the air pump 1 to charge the high-pressure gas tank 6, the high-pressure gas tank 6 to charge the first air bag 3 and the air pump 1 to charge the second air bag 4 in real time according to actual needs. The number of the fourth air pipe 26 (i.e. the first air bag air pipe) and the sixth air pipe 28 (i.e. the second air bag air pipe) is determined according to the number of the first air bag 3 and the second air bag 4, and the fourth air valve 10 and the sixth air valve are also determined accordingly.

[0067] In an embodiment, referring to Figure 1 and Figure 3 , the pneumatic device further comprises a first sensing module and a second sensing module. The first sensing module is used for collecting a first measured signal corresponding to the first air bag 3. The second sensing module is used for collecting a second measured signal corresponding to the second air bag 4. The control module 5 is connected with the first sensing module and the second sensing module, and is used for controlling the air pump 1 and the high-pressure gas tank 6 to work according to the first measured signal, and is used for controlling the air pump 1 to work according to the second measured signal.

[0068] As an example, the pneumatic device further comprises a first sensing module and a second sensing module; when installed, the first sensing module is arranged in the first air bag 3 and / or the high-pressure gas tank 6, and can collect a first measured signal corresponding to the first air bag 3; the second sensing module is arranged in the second air bag 4, and can collect a second measured signal corresponding to the second air bag 4; the control module 5 is connected with the first sensing module and the second sensing module; in this way, the control module 5 controls the air pump 1 and the high-pressure gas tank 6 to work according to the first measured signal, so as to control the air pump 1, the first air valve 7 and the second air valve 8 to work to inflate the high-pressure gas tank 6, or control the third air valve 9 and the fourth air valve 10 to work to inflate the first air bag 3 by the high-pressure gas tank 6. Among them, the high-pressure gas tank 6 stores high-pressure gas in normal state, when the first sensing module detects that the gas stored in the high-pressure gas tank 6 is lower than a threshold value, the air pump 1 is triggered to work to supplement the gas in the high-pressure gas tank 6 by the control module 5. The fourth air pipe 26 comprises a head safety air bag air pipe 261 and a knee safety air bag air pipe 262; the first air bag 3 comprises a head safety air bag 31 and a knee safety air bag 32, so that the high-pressure gas tank 6 inflates the head safety air bag 31 through the control module 5 and the head safety air bag air pipe 261, and inflates the knee safety air bag 32 through the control module 5 and the knee safety air bag air pipe 262. The control module 5 controls the air pump 1 to work according to the second measured signal, so as to control the air pump 1, the first air valve 7 and the fifth air valve to work to inflate the second air bag 4, the second air bag 4 expands and bulges to provide comfort function for the passenger and improve the passenger experience; in this way, the control module 5 is convenient to control the input or disconnection of the gas flowing from the air pump 1 to the second air bag 4 according to the actual situation, so as to provide comfort function for the passenger and improve the passenger experience.

[0069] In an embodiment, with reference to Figure 1 、 Figure 2 and Figure 3 , the control module 5 comprises a first control unit 51 and a second control unit 52; the first control unit 51 is connected with the first sensing module, and is used for controlling the air pump 1 and the high-pressure gas tank 6 to work according to the first measured signal; the second control unit 52 is connected with the second sensing module, and is used for controlling the air pump 1 to work according to the second measured signal.

[0070] As an example, the control module 5 includes a first control unit 51 and a second control unit 52; when installed, the first control unit 51 is connected with the first sensing module, and the first control unit 51 controls the air pump 1 and the high-pressure gas tank 6 according to the first measured signal, which can realize the control of the air pump 1, the first air valve 7 and the second air valve 8 to work to inflate the high-pressure gas tank 6, or can realize the control of the third air valve 9 and the fourth air valve 10 to work to inflate the first air bag 3. The second control unit 52 is connected with the second sensing module, and the second control unit 52 controls the air pump 1 according to the second measured signal, which can realize the control of the air pump 1, the first air valve 7 and the fifth air valve to work to inflate the second air bag 4, and the second air bag 4 is inflated to provide comfort function for the passenger and improve the passenger experience.

[0071] In this example, the first control unit 51 judges to control the air pump 1 to work, and the gas enters the high-pressure gas tank 6 through the first adapter 21, the first air pipe 23, the first air valve 7 connected therewith, the second air pipe 24, and the second air valve 8 connected therewith.

[0072] In the event of an accident, the first control unit 51 controls the high-pressure gas tank 6 to work after receiving the signal, and the high-pressure gas in the high-pressure gas tank 6 enters the head safety air bag 31 through the third air pipe 25, the third air valve 9 connected therewith, the fourth air valve 10 connected with the head safety air bag pipe 261, and the fourth air valve 10 connected with the knee safety air bag pipe 262 after the judgment of the first control unit 51, and the head safety air bag 31 is inflated to protect the head of the passenger; or the knee safety air bag 32 is inflated to protect the knee of the passenger. By adjusting the gas pressure of the high-pressure gas tank 6, the diameter of the air pipe, the valve body pressure threshold parameter of the air valve, and the volume of the first air bag 3, the inflation speed V, the pressure P and the pressure maintaining time T of the first air bag 3 can be adjusted, so as to correspond to passengers of different body types and the protection needs of passengers required in different collision conditions.

[0073] In an embodiment, referring to Figure 1 and Figure 3 , the second air bag 4 includes a massage air bag 41 and / or a support air bag 42; the massage air bag 41 is connected with the air pump 1 through the gas path assembly 2, and the massage air bag 41 is used to be installed in the backrest massage area and / or the cushion massage area; the support air bag 42 is connected with the air pump 1 through the gas path assembly 2, and the support air bag 42 is used to be installed in the backrest support area and / or the cushion support area.

[0074] As an example, the second air bag 4 includes a massage air bag 41 and / or a support air bag 42; when installed, the massage air bag 41 is connected with the air pump 1 through the air path assembly 2, specifically the massage air bag 41 is connected with the air pump 1 through the sixth air pipe 28, i.e. the second air bag air pipe, the second adapter 22 and the fifth air pipe 27, i.e. the second inflation air pipe, so that the air pump 1 can inflate the massage air bag 41 through the second adapter 22, the fifth air pipe 27, i.e. the second inflation air pipe, and the sixth air pipe 28, i.e. the second air bag air pipe, so as to make the massage air bag 41 swell and massage the passenger; the support air bag 42 is connected with the air pump 1 through the air path assembly 2, specifically the support air bag 42 is connected with the air pump 1 through the second adapter 22, the fifth air pipe 27, i.e. the second inflation air pipe, and the sixth air pipe 28, i.e. the second air bag air pipe, so that the air pump 1 can inflate the support air bag 42 through the second adapter 22, the fifth air pipe 27, i.e. the second inflation air pipe, and the sixth air pipe 28, i.e. the second air bag air pipe, so as to make the support air bag 42 swell and provide support for the passenger. The massage air bag 41 is installed in the backrest massage area and / or the cushion massage area, and the support air bag 42 is used to be installed in the backrest support area and / or the cushion support area; in this way, the massage air bag 41 can be arranged in the backrest area, or in the cushion area, or in both the backrest area and the cushion area, to provide massage for different parts of the passenger; the support air bag 42 can be arranged in the backrest area, or in the cushion area, or in both the backrest area and the cushion area, to provide support for different parts of the passenger.

[0075] The utility model embodiment provides a seat assembly, refer to Figures 1-6 , including seat 11 and pneumatic device, air pump 1 is installed in seat 11, first air bag 3 is arranged in at least one place of head area, knee area, side area and cushion area of seat 11, second air bag 4 is arranged in backrest area and / or cushion area of seat 11.

[0076] As an example, the seat assembly includes a seat 11 and a pneumatic device; the pneumatic device is mainly but not limited to be applied on a vehicle, and specifically includes an air pump 1, an air path assembly 2, a first air bag 3, a second air bag 4 and a control module 5. The first air bag 3 is a safety air bag installed on the seat 11 to provide a safety protection function for a passenger; the second air bag 4 is a comfort air bag installed on the seat 11 to provide a basic comfort function (such as a massage function and / or a support function) for the passenger. The air pump 1 is connected with the first air bag 3 and the second air bag 4 through the air path assembly 2, and the control module 5 is connected with the air pump 1 and the air path assembly 2; in this way, the control module 5 can control the air pump 1 and the air path assembly 2 to work, inflate the first air bag 3, and make the first air bag 3 be in an inflated state to provide the safety protection function for the passenger. The control module 5 can control the air pump 1 and the air path assembly 2 to work, inflate the second air bag 4, and make the second air bag 4 be in an inflated state to provide the comfort function for the passenger.

[0077] The pneumatic device in the example combines the safety airbag and the comfort airbag, can inflate the safety airbag by the air pump 1 to make the safety airbag expand to provide the safety protection function for the passenger, can inflate the comfort airbag by the air pump 1 to make the comfort airbag expand to provide the comfort function for the passenger, and can inflate both the safety airbag and the comfort airbag by the air pump 1 to make the safety airbag expand to provide the safety protection function for the passenger and make the comfort airbag expand to provide the comfort function for the passenger; the pneumatic device integrates the safety protection function and the comfort function, improves the functionality, the application range and the practicability of the pneumatic device, and can better meet the use demand of the passenger.

[0078] The first airbag 3 is arranged at least one of the head region, the knee region, the side region and the cushion region of the seat 11, and specifically, the first airbag 3 can be arranged at the head region of the seat 11 to provide head protection for the passenger on the seat 11; the first airbag 3 can be arranged at the knee region of the seat 11 to improve the knee protection for the passenger on the seat 11; the head region and the knee region of the seat 11 are specifically at the back of the seat 11 to provide protection for the passenger behind the seat 11, for example, the seat 11 includes front seats 111 and rear seats 112, the first airbag 3 is arranged at the back region of the front seats 111, and when the first airbag 3 expands, the passenger on the rear seats 112 can be protected; the first airbag 3 can also be arranged at the side region of the seat 11 to provide protection for the passenger on the seat 11; the first airbag 3 can also be arranged on the cushion of the seat 11 to provide protection for the passenger on the seat 11; the first airbag 3 can also be arranged at the back region of the seat 11 and at the side region of the seat 11 to provide protection for the passenger behind the seat 11 and for the passenger on the seat 11; the first airbag 3 can also be arranged at the back region of the seat 11 and on the cushion of the seat 11 to provide protection for the passenger behind the seat 11 and for the passenger on the seat 11; the first airbag 3 can also be arranged at the side region of the seat 11 and on the cushion of the seat 11 to provide protection for the passenger on the seat 11 by the joint action of the two parts; the first airbag 3 can also be arranged at the back region of the seat 11, at the side region of the seat 11 and on the cushion of the seat 11 to provide protection for the passenger behind the seat 11 and for the passenger on the seat 11.

[0079] The second airbag 4 is arranged at the back region and / or the cushion region of the seat 11, and specifically, the second airbag 4 can be arranged at the back region of the seat 11 to provide the comfort function of the back region for the passenger on the seat 11, or can be arranged at the cushion region of the seat 11 to provide the comfort function of the cushion region for the passenger on the seat 11; the second airbag 4 can also be arranged at the back region of the seat 11 and at the cushion region of the seat 11 to provide the comfort function of the back region and the comfort function of the cushion region for the passenger on the seat 11.

[0080] The working principle of the pneumatic device in this example is as follows:

[0081] The first sensing module detects that there is no one on the seat 11 and no accident occurs, and the first control unit 51 controls not to trigger the first air bag 3 to expand.

[0082] The first sensing module detects that there is someone on the seat 11 and no accident occurs, and the first control unit 51 controls not to trigger the first air bag 3 to expand.

[0083] The first sensing module detects that there is no one on the seat 11 and an accident occurs, and the first control unit 51 controls not to trigger the first air bag 3 to expand.

[0084] The first sensing module detects that there is someone on the seat 11 and an accident occurs, and the first control unit 51 controls to trigger the first air bag 3 to expand.

[0085] After the first control unit 51 judges that the high-pressure gas tank 6 needs to be recharged, the first control unit 51 sends a charging signal to control the air pump 1 to work, and the air pump 1 charges the high-pressure gas tank 6 through the first adapter 21, the first air pipe 23, the first air valve 7 connected thereto, the second air pipe 24, and the second air valve 8 connected thereto.

[0086] When an accident occurs, the first control unit 51 controls the high-pressure gas tank 6 to work after receiving the signal. The high-pressure gas in the high-pressure gas tank 6 enters the head safety air bag 31 through the third air pipe 25 and the third air valve 9 connected thereto, and the fourth air valve 10 connected to the head safety air bag gas pipe 261, and the first control unit 51 judges that the head safety air bag 31 expands to protect the head of the occupant; or enters the knee safety air bag 32 through the fourth air valve 10 connected to the knee safety air bag gas pipe 262, and the knee safety air bag 32 expands to protect the knee of the occupant; when the protection is completed, the first air bag 3 is deflated through the air vent, and the high-pressure gas tank 6 is recharged through the air pump 1. The first air bag 3 is a foldable air bag, and the deflated first air bag 3 can be folded and stored in the original installation position according to requirements.

[0087] In an embodiment, referring to Figure 6 , the pneumatic device further comprises an air bag assembly 12, which is arranged on at least one of the back area, the side area, and the seat cushion of the seat 11.

[0088] As an example, the pneumatic device further comprises an airbag assembly 12, which is arranged on at least one of the back region, the side region and the seat cushion of the seat 11 during installation, and specifically, the airbag assembly 12 can be arranged on the back region of the seat 11 to provide protection for the passenger behind the seat 11, for example, the seat 11 comprises a front seat 111 and a rear seat 112, the airbag assembly 12 is arranged on the back region of the front seat 111, and when the airbag assembly 12 is inflated, the passenger on the rear seat 112 can be protected; the airbag assembly 12 can also be arranged on the side region of the seat 11 to provide protection for the passenger on the seat 11; the airbag assembly 12 can also be arranged on the seat cushion of the seat 11 to provide protection for the passenger on the seat 11; the airbag assembly 12 can also be arranged on the back region of the seat 11 and the side region of the seat 11 to provide protection for the passenger behind the seat 11 and the passenger on the seat 11; the airbag assembly 12 can also be arranged on the back region of the seat 11 and the seat cushion of the seat 11 to provide protection for the passenger behind the seat 11 and the passenger on the seat 11; the airbag assembly 12 can also be arranged on the side region of the seat 11 and the seat cushion of the seat 11 to provide protection for the passenger on the seat 11 by the joint action of the two parts; and the airbag assembly 12 can also be arranged on the back region of the seat 11, the side region of the seat 11 and the seat cushion of the seat 11 to provide protection for the passenger behind the seat 11 and the passenger on the seat 11.

[0089] The airbag assembly 12 is arranged on the front seat 111 to protect the front passenger, the airbag assembly 12 is arranged on the rear seat 112 to protect the rear passenger, the airbag assembly 12 is composed of a wire harness assembly, a generator and an airbag body, when a safety event occurs, the wire harness assembly is connected with the generator, the generator is connected with the airbag body, the generator is detonated to generate high-pressure gas according to the signal input by the whole vehicle, the airbag body is filled with the high-pressure gas, and the purpose of protecting the passenger is achieved through the inflation of the airbag body.

[0090] The utility model embodiment provides a kind of vehicle, including seat assembly.

[0091] As an example, the vehicle comprises a seat assembly, the seat assembly comprising a seat 11 and a pneumatic device; the pneumatic device is mainly but not limited to be applied on the vehicle, and specifically comprises a gas pump 1, a gas circuit assembly 2, a first gas bag 3, a second gas bag 4 and a control module 5. The first gas bag 3 is a safety gas bag installed on the seat 11 to provide a safety protection function for the passenger; the second gas bag 4 is a comfort gas bag installed on the seat 11 to provide a basic comfort function (such as a massage function and / or a support function) for the passenger. The gas pump 1 is connected with the first gas bag 3 and the second gas bag 4 through the gas circuit assembly 2, and the control module 5 is connected with the gas pump 1 and the gas circuit assembly 2; in this way, the control module 5 can control the gas pump 1 and the gas circuit assembly 2 to work, inflate the first gas bag 3, and make the first gas bag 3 in an inflated state to provide a safety protection function for the passenger. The control module 5 can control the gas pump 1 and the gas circuit assembly 2 to work, inflate the second gas bag 4, and make the second gas bag 4 in an inflated state to provide a comfort function for the passenger.

[0092] The pneumatic device in the example combines the safety gas bag and the comfort gas bag, can inflate the safety gas bag through the gas pump 1 to make the safety gas bag inflated to provide a safety protection function for the passenger, can inflate the comfort gas bag through the gas pump 1 to make the comfort gas bag inflated to provide a comfort function for the passenger, and can inflate both the safety gas bag and the comfort gas bag through the gas pump 1 to make the safety gas bag inflated to provide a safety protection function for the passenger and make the comfort gas bag inflated to provide a comfort function for the passenger; the pneumatic device integrates the safety protection function and the comfort function, improves the functionality, the application range and the practicability of the pneumatic device, and can better meet the use requirements of the passenger.

[0093] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the foregoing embodiments of the present application have been described in detail, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A pneumatic device, characterized in that, Includes an air pump, air circuit assembly, first air bag, second air bag, and control module; The air pump is connected to the first air bag and the second air bag via an air circuit assembly; The air pump assembly is used to be installed on the seat, the first air bag is used to be disposed at at least one of the head area, knee area, side area and seat cushion area of ​​the seat, and the second air bag is used to be disposed in the backrest area and / or seat cushion area of ​​the seat. The control module is connected to the air pump and air circuit assembly and is used to control the operation of the air pump and air circuit assembly to make the first air bag inflated to provide safety protection for the occupants, and / or to make the second air bag inflated to provide comfort for the occupants. The pneumatic device also includes a high-pressure air tank. The input end of the high-pressure air tank is connected to the air pump through the air circuit assembly, and the output end of the high-pressure air tank is connected to the first air bag through the air circuit assembly. The first air bag is provided with a venting structure.

2. The pneumatic device according to claim 1, characterized in that, The first airbag includes at least one of a head airbag, a knee airbag, a side airbag, and a seat airbag; The head safety airbag is connected to the output end of the high-pressure air tank through the air circuit assembly, and the head safety airbag is used to be installed in the head protection area; The knee safety airbag is connected to the output end of the high-pressure air tank through the air circuit assembly, and the knee safety airbag is used to be installed in the knee protection area; The side airbag is connected to the output end of the high-pressure gas tank through the air circuit assembly, and the side airbag is used to be installed in the side protection area of ​​the occupant; The seat cushion air bag is connected to the output end of the high-pressure air tank through the air circuit assembly, and the seat cushion safety air bag is used to be installed in the seat cushion protection area.

3. The pneumatic device according to claim 1, characterized in that, The venting structure includes a vent hole and a plug; The vent hole is located in the first air bag, and the plug is installed inside the vent hole.

4. The pneumatic device according to claim 1, characterized in that, The air circuit assembly includes a first adapter, a second adapter, a first air pipe, a second air pipe, a third air pipe, a fourth air pipe, a fifth air pipe, and a sixth air pipe; The first end of the first adapter is connected to the air pump via a first air pipe, the second end of the first adapter is connected to the input end of the high-pressure gas tank via a second air pipe, the third end of the first adapter is connected to the output end of the high-pressure gas tank via a third air pipe, the fourth end of the first adapter is connected to the first air bag via a fourth air pipe, the first end of the second adapter is connected to the air pump via a fifth air pipe, and the second end of the second adapter is connected to the second air bag via a sixth air pipe.

5. The pneumatic device according to claim 4, characterized in that, The first air pipe is equipped with a first air valve, the second air pipe is equipped with a second air valve, the third air pipe is equipped with a third air valve, the fourth air pipe is equipped with a fourth air valve, the fifth air pipe is equipped with a fifth air valve, and the sixth air pipe is equipped with a sixth air valve. The control module is connected to the first air valve, the second air valve, the third air valve, the fourth air valve, the fifth air valve, and the sixth air valve, and is used to control any pair of air valves among the first air valve and the second air valve, the third air valve and the fourth air valve, and the fifth air valve and the sixth air valve to operate, so that any of the following situations occurs: the high-pressure air tank is replenished with air, the first air bag is in an inflated state, and the second air bag is in an inflated state.

6. The pneumatic device according to claim 1, characterized in that, The pneumatic device also includes a first sensing module and a second sensing module; The first sensing module is used to collect the first measured signal corresponding to the first air bag; The second sensing module is used to collect the second measured signal corresponding to the second air bag; The control module is connected to the first sensing module and the second sensing module, and is used to control the operation of the air pump and the high-pressure air tank according to the first measured signal, and to control the operation of the air pump according to the second measured signal.

7. The pneumatic device according to claim 6, characterized in that, The control module includes a first control unit and a second control unit; The first control unit is connected to the first sensing module and is used to control the operation of the air pump and the high-pressure air tank according to the first measured signal; The second control unit is connected to the second sensing module and is used to control the operation of the air pump according to the second measured signal.

8. A seat assembly, characterized in that, Includes the seat and the pneumatic device according to any one of claims 1-7; The air pump assembly is installed on the seat, the first air bag is disposed at at least one of the head area, knee area, side area and seat cushion area of ​​the seat, and the second air bag is disposed in the backrest area and / or seat cushion area of ​​the seat.

9. A vehicle, characterized in that, Includes the seat assembly as described in claim 8.

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