Head-mounted fatigue driving detection equipment

Abstract

The utility model provides head-mounted fatigue driving detection equipment, which relates to the technical field of fatigue detection and comprises a reel, a fastening belt is fixedly mounted in the middle of the reel, a clamping ring is fixedly mounted at one end of the fastening belt, a fixed clamping block is clamped in the clamping ring, a plurality of limiting grooves are formed in the fastening belt, and the limiting grooves are fixedly connected with the reel. And a limiting clamping block is clamped in the limiting groove. Compared with the prior art, the head supporting structure has the advantages that the fastening belt capable of being rolled and adjusted is arranged at one end of the head supporting structure, the clamping structure for clamping and fixing the fastening belt is arranged at the other end of the head supporting structure, meanwhile, the limiting groove is formed in the fastening belt, and the limiting structure clamped with the limiting groove is arranged; the position of the fastening belt is fixed under the combined action of the clamping structure and the limiting structure, so that the head supporting structure is tightened and fixed to the head of a driver through the fastening belt, the detection equipment is not prone to falling off, and the use stability of the detection equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fatigue detection, in particular to a head-mounted fatigue driving detection device. Background Art

[0002] With the continuous development of my country's economy, the process of automobile urbanization is also accelerating, and the number of drivers is also increasing. Fatigue driving is an important factor causing traffic accidents, second only to speeding. The driver's sitting posture and movements are fixed and repeated for a long time, and their physiological functions and psychological state slowly change, leading to distraction, drowsiness, narrowing of vision, information omission, slow reaction and judgment, driving errors or complete loss of driving ability, and even serious traffic accidents such as collisions and running off the road. Fatigue driving detection and warning are important means to reduce traffic accidents.

[0003] CN201620373719.4 introduces a head-mounted anti-fatigue driving device, which detects the driver's fatigue state by using brain wave signals, which is more accurate than eye movement detection and other methods. However, the device is not convenient to be fastened to the driver's head during use, and is easy to fall off when the driver's head shakes greatly. Utility Model Content

[0004] To this end, the purpose of the utility model is to provide a head-mounted fatigue driving detection device to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a head-mounted fatigue driving detection device, including a head bracket, a sensing electrode is fixedly installed in the middle of the head bracket, the sensing electrode signal is connected to a brain electroencephalogram integrated feedback system, a reel is fixedly installed inside the head bracket, a fastening belt is fixedly installed in the middle of the reel, a clamping ring is fixedly installed at one end of the fastening belt, a fixed block is clamped inside the clamping ring, a plurality of limit grooves are opened inside the fastening belt, a limit block is clamped inside the limit groove, and guide wheels rotatably connected to the head bracket are arranged on both sides of the limit block.

[0006] Preferably, any of the above schemes has one end of the head bracket being provided with a winding groove matched with the reel, and the other end of the head bracket being provided with a clamping groove matched with the fixed clamping block.

[0007] The above technical solution is adopted: a reeling groove is opened inside the head bracket to facilitate the disassembly and assembly of the reel, and a snap-in groove is set to facilitate the snap-in and fixation of the snap ring. After the head bracket is worn on the head, the sensing electrodes collect the user's brain waves, and the brain wave signals are transmitted to the EEG integrated feedback system through cables. The EEG integrated feedback system determines the driver's fatigue state by analyzing the brain wave signals.

[0008] Preferably, any of the above schemes comprises a torsion spring and a storage shaft, wherein the torsion spring is fixedly mounted inside the head bracket, one end of the torsion spring is fixedly mounted with a storage shaft rotatably connected to the head bracket, and one end of the tightening belt is fixedly mounted at the middle of the storage shaft.

[0009] The above technical solution is adopted: the tightening belt is pulled according to the use requirements, so that the tightening belt pulls the storage shaft, and the storage shaft drives the torsion spring to twist, which is convenient for adjusting the length of the tightening belt. The torsion spring gives the storage shaft the ability to reset, which is convenient for the storage shaft to rewind the tightening belt.

[0010] Preferably, any of the above schemes has a hanging notch formed inside the clamping ring, and the width of the clamping ring is greater than the width of the fastening belt.

[0011] Preferably, any of the above schemes is that the fixed card block is arranged inside the clamping groove, the fixed card block is arranged as an L-shaped structure, and the limiting groove is located at one side of the limiting card block.

[0012] The above technical solution is adopted: manually pull the clamping ring to make the clamping ring drive the fastening belt to move, insert the clamping ring into the inside of the clamping groove and clamp it with the fixed clamping block to facilitate fixing the fastening belt, and limit and fix the fastening belt through the clamping of the limit groove and the limit clamping block.

[0013] Preferably, any of the above schemes comprises a limiting block including a limiting spring and a limiting plate, wherein the limiting spring is fixedly mounted inside the head bracket, one end of the limiting spring is fixedly mounted with a limiting plate movably connected to the head bracket, and one end of the limiting plate is provided with a toggle boss.

[0014] The above technical solution is adopted: by moving the boss to apply force to the limit plate, the limit plate compresses the limit spring, and after the fastening belt is stretched, the limit plate is inserted into the inside of the limit groove under the action of the limit spring to fix the fastening belt.

[0015] Preferably, any of the above schemes is that the guide wheel is rotatably connected to the inside of the head support, and the surface of the guide wheel is in contact with the end surface of the fastening belt.

[0016] The above technical solution is adopted: the fastening belt is guided by the guide wheel to ensure the stability of the fastening belt during the stretching and winding process.

[0017] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0018] 1. A tightening belt that can be rolled up and adjusted is arranged at one end of the head support structure, and a clamping structure for clamping and fixing the tightening belt is arranged at the other end of the head support structure. At the same time, a limiting groove is opened inside the tightening belt, and a limiting structure for clamping with the limiting groove is arranged. The position of the tightening belt is fixed by the joint action of the clamping structure and the limiting structure, so that the tightening belt tightens and fixes the head support structure to the driver's head, so that the detection equipment is not easy to fall off, and the stability of the detection equipment is improved.

[0019] 2. A wheel structure for guiding the fastening belt is arranged inside the head support structure, so that the fastening belt can be pulled easily through the wheel structure, thereby improving the convenience of fastening.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 It is a structural schematic diagram according to an embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of a local structure according to an embodiment of the utility model;

[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of the head support according to an embodiment of the utility model;

[0025] Figure 4 According to the embodiment of the utility model Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 5 According to the embodiment of the utility model Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0027] Among them: 1-head bracket, 2-sensing electrode, 3-reel, 31-torsion spring, 32-storage shaft, 4-fastening belt, 5-clamping ring, 6-fixed block, 7-limiting groove, 8-limiting block, 81-limiting spring, 82-limiting plate, 9-guide wheel, 10-reeling groove, 11-clamping groove, 12-sliding boss. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0029] like Figure 1-5 As shown, a head-mounted fatigue driving detection device of an embodiment of the utility model comprises a head bracket 1, a sensing electrode 2 is fixedly installed in the middle of the head bracket 1, and the signal of the sensing electrode 2 is connected to the electroencephalogram integrated feedback system, a reel 3 is fixedly installed inside the head bracket 1, a fastening belt 4 is fixedly installed in the middle of the reel 3, a clamping ring 5 is fixedly installed at one end of the fastening belt 4, a fixed clamping block 6 is clamped inside the clamping ring 5, a plurality of limiting grooves 7 are opened inside the fastening belt 4, limiting blocks 8 are clamped inside the limiting grooves 7, and guide wheels 9 rotatably connected to the head bracket 1 are arranged on both sides of the limiting block 8.

[0030] Preferably, any of the above schemes has one end of the head support 1 provided with a reeling groove 10 matched with the reel 3 , and the other end of the head support 1 provided with a clamping groove 11 matched with the fixed clamping block 6 .

[0031] The above technical solution is adopted: a reeling groove 10 is opened inside the head bracket 1 to facilitate the disassembly and assembly of the reel 3, and a snap-in groove 11 is provided to facilitate the snap-in and fixation of the snap ring 5. After the head bracket 1 is worn on the head, the sensing electrode 2 collects the user's brain waves, and transmits the brain wave signals to the brain wave integrated feedback system through cables. The brain wave integrated feedback system determines the driver's fatigue state by analyzing the brain wave signals.

[0032] Preferably, in any of the above schemes, the reel 3 includes a torsion spring 31 and a storage shaft 32, the torsion spring 31 is fixedly installed inside the head bracket 1, one end of the torsion spring 31 is fixedly installed with the storage shaft 32 rotatably connected to the head bracket 1, and one end of the fastening belt 4 is fixedly installed at the middle of the storage shaft 32.

[0033] The above technical solution is adopted: the fastening belt 4 is pulled according to the use requirements, so that the fastening belt 4 pulls the storage shaft 32, and the storage shaft 32 drives the torsion spring 31 to twist, which is convenient for adjusting the length of the fastening belt 4. The torsion spring 31 gives the storage shaft 32 the ability to reset, which is convenient for the storage shaft 32 to rewind the fastening belt 4.

[0034] Preferably, any of the above solutions has a hanging notch formed inside the clamping ring 5 , and the width of the clamping ring 5 is greater than the width of the fastening belt 4 .

[0035] Preferably, any of the above solutions is that the fixed block 6 is arranged inside the clamping groove 11 , the fixed block 6 is arranged as an L-shaped structure, and the limiting groove 7 is located at one side of the limiting block 8 .

[0036] The above technical solution is adopted: manually pull the snap ring 5 so that the snap ring 5 drives the fastening belt 4 to move, and after the snap ring 5 is inserted into the inside of the snap groove 11, it is snapped with the fixed block 6 to facilitate the fixation of the fastening belt 4, and the fastening belt 4 is limited and fixed by the snap connection between the limit groove 7 and the limit block 8.

[0037] Preferably, any of the above schemes comprises a limiting block 8 including a limiting spring 81 and a limiting plate 82, wherein the limiting spring 81 is fixedly mounted inside the head bracket 1, one end of the limiting spring 81 is fixedly mounted with a limiting plate 82 movably connected to the head bracket 1, and one end of the limiting plate 82 is provided with a toggle boss 12.

[0038] The above technical solution is adopted: by moving the boss 12 to apply a force to the limit plate 82, the limit plate 82 compresses the limit spring 81, and after the fastening belt 4 is stretched, the limit plate 82 is inserted into the inside of the limit groove 7 under the action of the limit spring 81, thereby fixing the fastening belt 4.

[0039] Preferably, in any of the above schemes, the guide wheel 9 is rotatably connected to the inside of the head support 1 , and the surface of the guide wheel 9 is in contact with the end surface of the fastening belt 4 .

[0040] The above technical solution is adopted: the fastening belt 4 is guided by the guide wheel 9 to ensure the stability of the fastening belt 4 during the stretching and winding process.

[0041] The utility model is a head-mounted fatigue driving detection device, the working principle of which is as follows:

[0042] Place the head bracket 1 on the driver's head, apply force to the toggle boss 12, pull the snap ring 5 to make it drive the fastening belt 4 to stretch, insert the snap ring 5 into the inside of the snap groove 11 and engage it with the fixed block 6, loosen the toggle boss 12 so that the limiting plate 82 is engaged with the inside of the limiting groove 7 under the action of the limiting spring 81.

[0043] Compared with the prior art, the present invention has the following beneficial effects:

[0044] 1. A tightening belt 4 that can be reeled and adjusted is provided at one end of the head support structure, and a clamping structure for clamping and fixing the tightening belt 4 is provided at the other end of the head support structure. At the same time, a limiting groove 7 is provided inside the tightening belt 4, and a limiting structure for clamping with the limiting groove 7 is provided. The position of the tightening belt 4 is fixed by the joint action of the clamping structure and the limiting structure, so that the tightening belt 4 tightens and fixes the head support structure to the driver's head, so that the detection equipment is not easy to fall off, and the stability of the detection equipment is improved.

[0045] 2. A wheel structure for guiding the fastening belt 4 is arranged inside the head support structure, so that the fastening belt 4 can be pulled easily through the wheel structure, thereby improving the convenience of fastening.

Claims

1. A head-mounted fatigue driving detection device, comprising a head support (1), a sensing electrode (2) fixedly mounted in the middle of the head support (1), the sensing electrode (2) signal connected to a brain electroencephalogram integrated feedback system, characterized in that: A reel (3) is fixedly installed inside the head bracket (1), a tightening belt (4) is fixedly installed in the middle of the reel (3), a clamping ring (5) is fixedly installed at one end of the tightening belt (4), a fixed clamping block (6) is clamped inside the clamping ring (5), a plurality of limiting grooves (7) are provided inside the limiting grooves (7), limiting clamping blocks (8) are clamped inside the limiting grooves (7), and guide wheels (9) rotatably connected to the head bracket (1) are provided on both sides of the limiting clamping block (8).

2. A head-mounted fatigue driving detection device as claimed in claim 1, characterized in that: One end of the head bracket (1) is provided with a reeling groove (10) adapted to the reel (3), and the other end of the head bracket (1) is provided with a clamping groove (11) adapted to the fixed clamping block (6).

3. A head-mounted fatigue driving detection device as claimed in claim 2, characterized in that: The reel (3) comprises a torsion spring (31) and a storage shaft (32); the torsion spring (31) is fixedly mounted inside the head bracket (1); one end of the torsion spring (31) is fixedly mounted with the storage shaft (32) rotatably connected to the head bracket (1); one end of the tightening belt (4) is fixedly mounted on the middle part of the storage shaft (32).

4. A head-mounted fatigue driving detection device as claimed in claim 3, characterized in that: A hanging notch is provided inside the clamping ring (5), and the width of the clamping ring (5) is greater than the width of the fastening belt (4).

5. A head-mounted fatigue driving detection device as claimed in claim 4, characterized in that: The fixed card block (6) is arranged inside the clamping groove (11), the fixed card block (6) is arranged as an L-shaped structure, and the limiting groove (7) is located on one side of the limiting card block (8).

6. A head-mounted fatigue driving detection device as claimed in claim 5, characterized in that: The limiting block (8) comprises a limiting spring (81) and a limiting plate (82); the limiting spring (81) is fixedly mounted inside the head support (1); one end of the limiting spring (81) is fixedly mounted with a limiting plate (82) movably connected to the head support (1); one end of the limiting plate (82) is provided with a toggle boss (12).

7. A head-mounted fatigue driving detection device as claimed in claim 6, characterized in that: The guide wheel (9) is rotatably connected to the inside of the head support (1), and the surface of the guide wheel (9) is in contact with the end surface of the fastening belt (4).

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