Helmet air bag control device

Abstract

The utility model provides a control device of a helmet air bag, and relates to the technical field of control devices, the control device of the helmet air bag comprises a shell, a main control board is arranged in the shell, the main control board is connected with an air pump, the air pump is connected with a shunting branch pipe through a pipeline, the shunting branch pipe is connected with two first electromagnetic valves, and the two first electromagnetic valves are connected with two second electromagnetic valves. The first electromagnetic valves are used for controlling the flow direction of gas in the flow dividing branch pipes, the two first electromagnetic valves are both connected with gas pipes, and the ends of the two gas pipes are both connected with second electromagnetic valves. By arranging the air pump, the main control board, the control keys, the flow dividing branch pipes, the first electromagnetic valve, the air pipe, the second electromagnetic valve and the inflation inlet, the two areas of the air bag can be synchronously controlled to be inflated and deflated at the same time, and the two areas of the air bag can be independently adjusted to be inflated and deflated; therefore, the two areas of the air bag can be better attached to the head of a wearer, and the helmet wearing stability and comfort of the wearer are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to control device technical field, specifically a control device of helmet air bag. BACKGROUND

[0002] The helmet air bag is a safety device for enhancing the protection performance of the helmet, which is usually composed of flexible materials, inflation structures, deflation devices, etc., and plays an important role in various sports and traffic scenes. When an emergency occurs, the control device of the helmet air bag controls the inflation structure to inflate quickly, providing a buffer for the head, thereby protecting the wearer's head and reducing the damage to the wearer's head caused by collision, etc. After an emergency occurs, the control device of the helmet air bag controls the deflation structure to deflate quickly, so that the helmet can be safely and quickly removed, thereby enabling faster and better first aid work for the wearer and reducing secondary damage to the wearer.

[0003] Although the control device can control the inflation structure to inflate quickly in an emergency, some helmet air bags are divided into two regions, but the control device causes the two regions to expand synchronously during inflation. However, different wearers have different head shapes or sizes, and the synchronous expansion of the control device may cause uneven overall pressure, thereby affecting the stability and comfort of the wearer wearing the helmet. Therefore, a control device for a helmet air bag is needed to solve the above technical problems. SUMMARY

[0004] The utility model aims at providing a control device for a helmet air bag to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, an embodiment of the utility model provides a control device for a helmet air bag, which comprises:

[0006] a housing;

[0007] a main control board arranged inside the housing;

[0008] a gas pump arranged inside the housing and connected to the main control board, the gas pump being connected to a shunt branch pipe through a pipeline, two electromagnetic valves one being connected to the shunt branch pipe, two gas pipes being connected to the two electromagnetic valves one, two electromagnetic valves two being connected to the ends of the two gas pipes, two inflation openings being inserted into the ends of the two gas pipes, and the two inflation openings being used for inflating and deflating the two regions of the air bag;

[0009] Two control buttons are arranged on the shell and connected with the main control board, the two control buttons are marked as A button and B button respectively, the two control buttons are used for controlling the electromagnetic valve one and the electromagnetic valve two and forming two adjustment modes, the two adjustment modes are daily mode and fine adjustment mode, the daily mode is used for synchronously controlling the electromagnetic valve one and the electromagnetic valve two and synchronously inflating and deflating two areas of the air bag, the fine adjustment mode is used for separately controlling the electromagnetic valve one and the electromagnetic valve two and separately inflating and deflating two areas of the air bag.

[0010] Two air pressure monitoring units are arranged in the interior of the shell, and the air pressure monitoring units are used for monitoring the pressure of the air bag.

[0011] Preferably, the air pressure monitoring unit comprises an air pressure sensor, a communication pipe and a monitoring pipe, the air pressure sensor is arranged in the interior of the shell, the air pressure sensor is connected with the main control board, the communication pipe is connected with the air pressure sensor, the monitoring pipe is inserted into the interior of the communication pipe, the monitoring pipe is used for connecting one area of the air bag with the communication pipe, and a connecting assembly is arranged between the monitoring pipe, the inflation port and the shell.

[0012] Preferably, the connecting assembly comprises a sealing groove, a sealing plate and a plurality of elastic buckles, the sealing groove is arranged on one side of the shell, a through groove is arranged in the inner wall of the sealing groove, the sealing plate is clamped in the interior of the sealing groove, the inflation port and the monitoring pipe are connected with the sealing plate, the plurality of elastic buckles are arranged on one side of the sealing plate, and the elastic buckles are used for connecting the sealing plate with the shell.

[0013] Preferably, the main control board is connected with at least one acceleration sensor and at least one gyroscope sensor, the acceleration sensor is used for monitoring the acceleration change of the helmet in each direction in real time, and the gyroscope sensor is used for detecting the rotation and inclination angle change of the helmet.

[0014] Preferably, the main control board is connected with a temperature control module.

[0015] Preferably, a lithium battery is arranged in the interior of the shell, the lithium battery is used for providing power, and the charge capacity of the lithium battery is 1000mAh.

[0016] Preferably, a charging port connected with the main control board is arranged on the shell, and the charging port is a Type-C interface.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、By setting the air pump, main control board, control button, shunt branch, electromagnetic valve one, air pipe, electromagnetic valve two and inflation port, not only can synchronous control air bag two area at the same time inflation and deflation operation, but also can adjust the air bag two area inflation and deflation alone, so that the air bag two area can better with the wearer's head, ensure the stability and comfort of the wearer wearing helmet.

[0019] 2、By setting the sealing groove, through the groove, sealing plate and elastic buckle cooperation, make the installation sealing plate operation is more simple, at the same time, convenient connection inflation port and air pipe, and convenient connection monitoring tube and communication tube, and inflation port and monitoring tube are connected with air bag, so that the operation of connecting air bag and inflating and deflating air bag and monitoring air pressure is more simple. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure diagram of the utility model;

[0021] Figure 2 It is the first visual angle structure diagram of the utility model without assembling shell;

[0022] Figure 3 It is the second visual angle structure diagram of the utility model without assembling shell;

[0023] Figure 4 It is the structure diagram of the shell of the utility model;

[0024] Figure 5 It is the structure diagram of the sealing plate of the utility model;

[0025] Figure 6 It is the structure diagram of the utility model connected with helmet;

[0026] Figure 7 It is the control flow diagram of the daily mode of the utility model;

[0027] Figure 8 It is the control flow diagram of the fine adjustment mode of the utility model;

[0028] Figure 9 It is the control principle diagram of the utility model.

[0029] In the drawing: 10, shell; 11, sealing groove; 12, through the groove; 13, sealing plate; 14, elastic buckle; 15, charging port; 20, main control board; 21, control button; 22, acceleration sensor; 23, gyroscope sensor; 24, temperature control module; 30, air pump; 31, shunt branch; 32, electromagnetic valve one; 33, air pipe; 34, electromagnetic valve two; 35, inflation port; 40, air pressure sensor; 41, communication tube; 42, monitoring tube; 50, lithium battery. DETAILED DESCRIPTION

[0030] The utility model will be further described below in combination with the drawings.

[0031] As Figures 1 to 9 shown, a control device of helmet air bag, it includes the shell 10, the inside of shell 10 is provided with main control board 20, main control board 20 is connected with air pump 30, air pump 30 is connected with shunt branch pipe 31 through pipeline, two solenoid valves one 32 are connected on shunt branch pipe 31, solenoid valve one 32 is used to control the flow direction of gas inside shunt branch pipe 31, two solenoid valves one 32 are all connected with air pipe 33, the end of two air pipes 33 is all connected with solenoid valve two 34, solenoid valve two 34 is used to deflate air pipe 33, the end of two air pipes 33 is all inserted with inflation port 35, two inflation ports 35 are connected with two areas of air bag respectively, inflation port 35 is used to communicate air bag and air pipe 33, main control board 20 is connected with two control buttons 21, two control buttons 21 are marked as A key and B key respectively, two control buttons 21 are used to control solenoid valve one 32 and solenoid valve two 34 and form two kinds of adjustment mode, two kinds of adjustment mode are daily mode and fine adjustment mode, daily mode is used to control solenoid valve one 32 and solenoid valve two 34 simultaneously, fine adjustment mode is used to control solenoid valve one 32 and solenoid valve two 34 separately, main control board 20 is connected with two air pressure monitoring units, two air pressure monitoring units are connected with two areas of air bag respectively, air pressure monitoring unit is used to monitor the pressure of air bag.

[0032] Two areas of air bag are marked as A air bag and B air bag respectively, A air bag corresponds to A key, B air bag corresponds to B key, in daily mode, single-click A key, main control board 20 controls air pump 30 to work and controls two solenoid valves one 32 to open simultaneously, the gas generated by air pump 30 simultaneously carries out the inflation operation to A air bag and B air bag through shunt branch pipe 31, two air pipes 33 and two inflation ports 35, and in the process of inflating A air bag and B air bag, air pressure monitoring unit will monitor A air bag and B air bag pressure, when the pressure inside A air bag and B air bag reaches memory air pressure value, memory air pressure value is the set air pressure value, air pressure monitoring unit transmits signal to main control board 20, at this moment, main control board 20 will close air pump 30 and solenoid valve one 32, thereby ending the inflation work, and when single-click B key in daily mode, main control board 20 controls two solenoid valve two 34 to open simultaneously and carries out the deflation operation to A air bag and B air bag simultaneously, the control flow chart of daily mode is as shown in Figure 7 .

[0033] When the A air bag needs to be adjusted separately in the fine adjustment mode, the A key and the B key are pressed simultaneously first, and the time for pressing the A key and the B key simultaneously can be set to 5-10s. After the A key and the B key are pressed simultaneously, the separate adjustment mode is entered. If the A key is long-pressed at this time, the main control panel 20 controls the air pump 30 to work and controls the electromagnetic valve one 32 corresponding to the A air bag to open. The gas generated by the air pump 30 is used to inflate the A air bag through the shunt branch pipe 31, the air pipe 33 and the inflation port 35 connected with the A air bag. If the A key is single-pressed at this time, the main control panel 20 controls the electromagnetic valve two 34 corresponding to the A air bag to open and deflates the A air bag. Similarly, when the B air bag needs to be adjusted separately in the fine adjustment mode, the A key and the B key are pressed simultaneously first. After the A key and the B key are pressed simultaneously, the separate adjustment mode is entered. If the B key is long-pressed at this time, the main control panel 20 controls the air pump 30 to work and controls the electromagnetic valve one 32 corresponding to the B air bag to open. The gas generated by the air pump 30 is used to inflate the B air bag through the shunt branch pipe 31, the air pipe 33 and the inflation port 35 connected with the B air bag. If the B key is single-pressed at this time, the main control panel 20 controls the electromagnetic valve two 34 corresponding to the B air bag to open and deflates the B air bag. The control flowchart of the fine adjustment mode is shown in Figure 8 .

[0034] It should be noted that when the fine adjustment mode is entered, if no operation is performed for a period of time, the fine adjustment mode is automatically exited at this time. The time for no operation can be set to, for example, one of 1 minute, 2 minutes or 3 minutes. In the fine adjustment mode, the inflation time of the A air bag and the B air bag is calculated by seconds. The inflation and deflation time of the air bag is set to a suitable number of seconds according to the actual situation during use.

[0035] The air pressure monitoring unit includes an air pressure sensor 40 connected with the main control panel 20. The air pressure sensor 40 is connected with a communication pipe 41. The end of the communication pipe 41 is inserted with a monitoring pipe 42. The monitoring pipe 42 is connected with the air bag. The monitoring pipe 42 is used to communicate the air bag with the communication pipe 41. A connecting assembly is arranged between the monitoring pipe 42, the inflation port 35 and the shell 10.

[0036] The monitoring pipe 42 and the communication pipe 41 can communicate the air pressure sensor 40 with two regions of the air bag, so that the air pressure sensor 40 can monitor the air pressure in the two regions of the air bag. When the set air pressure value, i.e. the memory air pressure value, is reached, the air pressure sensor 40 can deliver a signal to the main control panel 20, so that the main control panel 20 controls the air pump 30 and the electromagnetic valve one 32 to close.

[0037] As Figure 4 and Figure 5As shown, the connecting assembly comprises a sealing groove 11 opened on one side of the shell 10, the inner wall of the sealing groove 11 is provided with a through groove 12, the inner wall of the sealing groove 11 is clamped with a sealing plate 13, the monitoring pipe 42 and the inflation port 35 are both installed on the sealing plate 13, one side of the sealing plate 13 is fixedly connected with a plurality of elastic buckles 14, and the elastic buckles 14 are used for connecting the sealing plate 13 and the shell 10.

[0038] The monitoring pipe 42 and the inflation port 35 are both installed on the sealing plate 13, when the sealing plate 13 is fixed, the elastic buckles 14 are elastically deformed to the center direction of the sealing plate 13, then the sealing plate 13 is clamped into the inside of the sealing groove 11, the elastic buckles 14 pass through the inside of the through groove 12 and reset, at this time, the end of the elastic buckle 14 is connected with the shell 10, thereby the sealing plate 13 is fixed, and at this time, the monitoring pipe 42 is inserted into the inside of the communication pipe 41, the inflation port 35 is inserted into the inside of the air pipe 33, the inflation port 35 and the air pipe 33 are communicated, so that the gas can flow between the inflation port 35 and the air pipe 33 and the air bag is inflated and deflated, and the monitoring pipe 42 and the communication pipe 41 are communicated, so that the air pressure sensor 40 can monitor the air pressure in the air bag.

[0039] It should be noted that the outer diameter of the inflation port 35 is matched with the inner diameter of the air pipe 33, the sealing property between the inflation port 35 and the air pipe 33 is good, the gap between the inflation port 35 and the air pipe 33 is avoided, so that the gas can flow smoothly between the inflation port 35 and the air pipe 33, the outer diameter of the monitoring pipe 42 is matched with the inner diameter of the communication pipe 41, the sealing property between the monitoring pipe 42 and the communication pipe 41 is good, the air leakage between the monitoring pipe 42 and the communication pipe 41 is avoided, so that the monitoring effect of the air pressure sensor 40 is better.

[0040] The main control board 20 is connected with at least one acceleration sensor 22 and at least one gyroscope sensor 23, the acceleration sensor 22 is used for monitoring the acceleration change of the helmet in each direction in real time, and the gyroscope sensor 23 is used for detecting the rotation and inclination angle change of the helmet.

[0041] Before using the helmet control device, first, the preset threshold of the acceleration sensor 22 and the gyroscope sensor 23 is set, when one of the acceleration sensor 22 and the gyroscope sensor 23 reaches the preset threshold in the use process of the wearer, the acceleration sensor 22 and the gyroscope sensor 23 transmit signals to the main control board 20, the main control board 20 will control the air pump 30 to start and control the two electromagnetic valves 32 to open, and the main control board 20 will control the air pump 30 to quickly generate gas, thereby quickly inflating the two areas of the air bag, and the control principle diagram of the above process is as shown in Figure 9

[0042] ​The main control board 20 is connected with a temperature control module 24, heating wires are uniformly laid in the two regions of the air bag, the heating wires can be flexible heating wires, the temperature control module 24 is connected with the heating wires, the heating temperature of the flexible heating wires can be controlled through the temperature control module 24, the inside of the helmet can be heated in winter, so that the wearer can wear the helmet more comfortably, and the principle diagram of controlling the heating wires is as shown in Figure 9

[0043] The inside of the shell 10 is provided with a lithium battery 50, which is used to provide power to ensure that the control device works normally, and the charge capacity of the lithium battery 50 is 1000mAh.

[0044] The shell 10 is provided with a charging port 15 connected with the main control board 20, the charging port 15 is a Type-C interface, the Type-C interface supports fast charging technology, and the lithium battery 50 can be fully charged in a short time, saving the charging time for the user.

[0045] It should be noted that the control device of the helmet air bag is installed in the inside of the helmet, and there is a groove in the inside of the helmet for placing and installing the control device of the helmet air bag, and the installation schematic diagram of the control device of the helmet air bag and the helmet is as shown in Figure 6

[0046] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0047] In addition, it should be understood that although the present application is described in the form of embodiments, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined to form other embodiments which can be understood by those skilled in the art.​​

Claims

1. A control device for a helmet airbag, characterized by, Include: The shell (10); Main control board (20), set in the inside of shell (10); Air pump (30), set in the inside of shell (10) and connected with main control board (20), the air pump (30) is connected with shunt branch pipe (31) through pipeline, two solenoid valves (32) are connected on shunt branch pipe (31), two air pipes (33) are connected with two solenoid valves (32), two solenoid valves (34) are connected at the end of two air pipes (33), two inflation ports (35) are inserted in the end of two air pipes (33), two inflation ports (35) are used to inflate and deflate two areas of air bag; Two control keys (21) are set on shell (10) and connected with main control board (20), two control keys (21) are marked as A key and B key respectively, two control keys (21) are used to control solenoid valve (32) and solenoid valve (34) and form two kinds of adjustment mode, two kinds of adjustment mode are daily mode and fine adjustment mode, daily mode is used to control solenoid valve (32) and solenoid valve (34) synchronously and inflate and deflate two areas of air bag synchronously, fine adjustment mode is used to control solenoid valve (32) and solenoid valve (34) individually and control two areas of air bag to inflate and deflate individually; Two air pressure monitoring units are set in the inside of shell (10), and the air pressure monitoring unit is used to monitor the pressure of air bag.

2. A control device for a helmet airbag according to claim 1, characterized in that: The air pressure monitoring unit includes air pressure sensor (40), communication pipe (41) and monitoring pipe (42), the air pressure sensor (40) is set in the inside of shell (10), the air pressure sensor (40) is connected with main control board (20), the communication pipe (41) is connected with air pressure sensor (40), the monitoring pipe (42) is inserted in the inside of communication pipe (41), the monitoring pipe (42) is used to connect one area of air bag with communication pipe (41), and the connection assembly is arranged between monitoring pipe (42), inflation port (35) and shell (10).

3. A control device for a helmet airbag according to claim 2, characterized in that: The connection assembly includes sealing groove (11), sealing plate (13) and elastic buckle (14), the sealing groove (11) is opened in one side of shell (10), the inner wall of sealing groove (11) is opened with through slot (12), the sealing plate (13) is clamped in the inside of sealing groove (11), the number of elastic buckle (14) is multiple, multiple elastic buckle (14) is installed on one side of sealing plate (13), and the elastic buckle (14) is used to connect sealing plate (13) and shell (10).

4. A control device for a helmet airbag according to claim 2, characterized in that: The main control board (20) is connected with at least one acceleration sensor (22) and at least one gyroscope sensor (23), the acceleration sensor (22) is used to monitor the acceleration change of helmet in each direction in real time, and the gyroscope sensor (23) is used to detect the rotation and inclination angle change of helmet.

5. A control device for a helmet airbag according to claim 4, characterized in that: The main control board (20) is connected with temperature control module (24).

6. A control device for a helmet airbag according to claim 4, characterized in that: The inside of the shell (10) is provided with a lithium battery (50) for providing power, and the charge capacity of the lithium battery (50) is 1000mAh.

7. A control device for a helmet airbag according to claim 5, characterized in that: A charging port (15) connected with the main control board (20) is arranged on the shell (10), and the charging port (15) is a Type-C interface.

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