Steering wheel with pressure wave detection and safety early warning functions

Abstract

The invention discloses a steering wheel with a pressure wave detection and safety early warning function, belongs to the technical field of automobile accessories, and aims to solve the problems that only real-time monitoring is carried out on a hand leaving state, when a driver is in fatigue driving, the hand is still placed on the steering wheel, the monitoring range is relatively limited, and the fatigue strength of the driver cannot be monitored in real time. The transmission rod drives the rotating disc to deflect, the rotating disc pulls the sleeve to deflect with the first supporting block as the center through deflection of the rotating disc, the limiting block compresses the spring, the deformation quantity of the spring is transmitted to the detection safety device through the displacement sensor, and then real-time safety early warning is conducted. The driver is prompted to be awakened in time through safety early warning, so that the driver is inspired and holds the steering wheel again so as to avoid the traffic accident risk caused by the fact that the hand is loosened from the steering wheel during fatigue driving, the problem that an existing steering wheel only monitors the hand leaving state and cannot monitor the fatigue strength of the driver is solved, and use is convenient and fast.

Description

Technical Field

[0001] The invention relates to the technical field of automobile accessories, in particular to a steering wheel with a pressure wave detection safety warning function. Background Art

[0002] The special mechanism on the car used to change or restore its driving direction is called the car steering system. The output end of the car steering system is the steering wheel. In order to facilitate the angle steering control during vehicle driving, the steering wheel is often made into a ring shape. When using the steering wheel, you often need to hold the lower sides with both hands to ensure driving safety. The steering wheel is used to control the vehicle.

[0003] For example, the patent with publication number CN215971723U discloses a car steering wheel with a hands-off detection function, including a spoke, a spoke and a rim, wherein the spoke is fixed on the spoke, the rim is fixed on the spoke and is concentric with the spoke, a foam layer is fixed on the spoke, the foam layer is provided with an electronic control processor, a pressure sensing layer is provided on the outer side of the foam layer and is concentric with the rim, an outer layer of leather is provided on the foam layer, the outer layer of leather is covered on the foam layer around the rim, a placement cavity is provided in the foam layer, and a temperature detection component is provided in the placement cavity. However, the prior art only performs hands-off detection through the pressure sensing layer, the camera and the temperature detection component, but it has limitations, and only performs real-time monitoring of the hands-off state. When the driver is driving fatigued, the hand is still placed on the steering wheel, and the driver's fatigue intensity cannot be monitored in real time, which is inconvenient to perform real-time safety warnings and difficult to meet safety requirements.

[0004] Therefore, in order to solve such problems, we propose a steering wheel with pressure wave detection safety warning function. Summary of the invention

[0005] The purpose of the present invention is to provide a steering wheel with a pressure wave detection safety warning function, aiming to solve the problem in the above-mentioned background technology that hands-off detection is performed only through a pressure sensing layer, a camera and a temperature detection component, but it has limitations. It only monitors the hands-off state in real time. When the driver is fatigued driving, his hands are still placed on the steering wheel, and the driver's fatigue intensity cannot be monitored in real time, making it inconvenient to provide real-time safety warnings and difficult to meet safety requirements.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a steering wheel with a pressure wave detection safety warning function, comprising a base plate and a rotating rod fixedly connected to the bottom of the base plate, a bottom hole is opened in the middle of the base plate, a steering wheel body is fixedly connected to the top of the base plate, side grooves are opened on the outer walls of the steering wheel body, and round holes are opened on the top of the steering wheel body; a cross is fixedly connected to the top of the base plate, a rotating shaft is fixedly connected to the top of the cross, a rotating disk is rotatably connected to the rotating shaft, a mounting hole is opened in the middle of the rotating disk, a first fixing bolt is fixedly connected to the top of the rotating disk, a transmission rod is movably sleeved on the first fixing bolt, a second fixing bolt is movably sleeved on the side of the transmission rod away from the first fixing bolt, and a limiting member is movably sleeved on the second fixing bolt. The limiting member is fixedly connected with an arc block on the side away from the transmission rod, a protrusion is fixedly connected to the outer wall of the arc block, a first support block is fixedly connected to the outer wall of the rotating disk, the first support block is movably connected with the first U-shaped block on the side away from the rotating disk, a sleeve is fixedly connected to the outer wall of the first U-shaped block, a sliding rod is movably connected in the sleeve, one end of the sliding rod is fixedly connected to the limiting block, a spring is movably sleeved on the outside of the sliding rod, the side of the spring away from the limiting block is fixedly connected to the inner wall of one side of the sleeve, a second U-shaped block is fixedly connected to the side of the sliding rod away from the limiting block, a second support block is movably connected to the second U-shaped block, a displacement sensor is embedded on the inner wall of one side of the sleeve outside the spring, a top plate is fixedly connected to the top of the steering wheel body, a top hole is opened on the top plate, and a detection safety device is fixedly connected in the top hole.

[0007] Preferably, a fixing plate is fixedly connected to the bottom of the rotating rod, and a bolt is movably connected to the fixing plate.

[0008] Preferably, first sliding grooves are opened on both side inner walls of the side grooves, first sliding blocks are fixedly connected to both side outer walls of the arc block, the first sliding blocks are located in the first sliding grooves, and the steering wheel body and the arc block are slidably connected to the first sliding grooves through the first sliding blocks.

[0009] Preferably, the outer movably sleeve of the steering wheel body is provided with a protective sleeve, a cylinder is fixedly connected to the upper part of the inner wall of the protective sleeve, the cylinder is located in the circular hole, and the steering wheel body and the protective sleeve are fixed by the engagement of the cylinder and the circular hole.

[0010] Preferably, a second sliding groove is opened on the inner wall of the sleeve, a second sliding block is fixedly connected to the outer wall of the limit block, the second sliding block is located in the second sliding groove, and the sleeve and the sliding rod are slidably connected to the second sliding groove through the second sliding block.

[0011] Preferably, the moving distance of the arc block is the same as the arc length of the deflection movement of the rotating disk, and the outer diameter of the protrusion is larger than the outer diameter of the steering wheel body.

[0012] Preferably, the number of the arc blocks is four, and the length of the arc block is smaller than one quarter of the circumference of the protective sleeve.

[0013] Preferably, the inner wall of the protective sleeve abuts against the outer wall surface of the protrusion.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: a steering wheel with a pressure wave detection safety warning function proposed by the present invention utilizes the horizontal movement of a convex block and an arc block to drive a rotating plate to deflect through a transmission rod, and the rotating plate utilizes its own deflection to pull the sleeve to deflect around the first support block, so that the limit block compresses the spring, and the deformation of the spring is transmitted to the detection safety device through a displacement sensor, thereby performing a real-time safety warning. The driver is awakened in time through the safety warning, so that he can cheer up and hold the steering wheel tightly again to avoid the risk of traffic accidents caused by loosening the steering wheel during fatigue driving, which solves the problem that the existing steering wheel only monitors the hands-off state but cannot monitor the driver's fatigue intensity, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is an exploded schematic diagram of the overall structure of the present invention; Figure 3 is a three-dimensional schematic diagram of a steering wheel of the present invention; Figure 4 An exploded schematic diagram of a steering wheel of the present invention; Figure 5 It is an exploded schematic diagram of the transmission member of the present invention; Figure 6 It is a schematic diagram of the explosion of the safety warning component of the present invention; Figure 7 It is a schematic cross-sectional structural diagram of the sleeve of the present invention; Figure 8 For the present invention Figure 2 The enlarged schematic diagram of point A in the middle; Fig. 9 For the present invention Figure 4 The enlarged schematic diagram of point B in the middle; Fig.10 For the present invention Figure 4 Enlarged schematic diagram of point C in the middle.

[0016] Legend: 1. Bottom plate; 11. Bottom hole; 12. Steering wheel body; 121. Side groove; 122. First slide groove; 123. Round hole; 13. Cross; 131. Rotating shaft; 14. Rotating plate; 141. Mounting hole; 15. First fixing bolt; 151. Transmission rod; 16. Second fixing bolt; 161. Limiting piece; 17. Arc block; 171. Bump; 172. First slider; 18. Protective cover; 181. Cylinder; 19. Top plate; 191. Top hole; 192. Detection safety device; 2. First support block; 21. First U-shaped block; 22. Sleeve; 221. Second slide groove; 23. Slide rod; 231. Limiting block; 232. Second slider; 24. Spring; 25. Second U-shaped block; 251. Second support block; 26. Displacement sensor; 3. Rotating rod; 31. Fixing plate; 32. Bolt. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In order to solve the problem that the real-time monitoring of the hands-off state is only carried out, when the driver is driving fatigued, the hands are still placed on the steering wheel, the monitoring range is relatively limited, and the driver's fatigue intensity cannot be monitored in real time, please refer to Figure 1-Figure 6 , providing the following preferred technical solutions.

[0019] An embodiment of the present invention is a steering wheel with a pressure wave detection safety warning function, comprising a base plate 1 and a rotating rod 3 fixedly connected to the bottom of the base plate 1, a bottom hole 11 is opened in the middle of the base plate 1, a steering wheel body 12 is fixedly connected to the top of the base plate 1, side grooves 121 are opened on the outer walls of the steering wheel body 12, and round holes 123 are opened on the top of the steering wheel body 12; a cross 13 is fixedly connected to the top of the base plate 1, a rotating shaft 131 is fixedly connected to the top of the cross 13, a rotating disk 14 is rotatably connected to the rotating shaft 131, a mounting hole 141 is opened in the middle of the rotating disk 14, a first fixing bolt 15 is fixedly connected to the top of the rotating disk 14, a transmission rod 151 is movably sleeved on the first fixing bolt 15, a second fixing bolt 16 is movably sleeved on the side of the transmission rod 151 away from the first fixing bolt 15, a limiting member 161 is movably sleeved on the second fixing bolt 16, and the limiting member 161 is away from the transmission rod 151. The first support block 2 is fixedly connected to the outer wall of the rotating disk 14, and a first U-shaped block 21 is movably connected to the first support block 2 on the side away from the rotating disk 14. A sleeve 22 is fixedly connected to the outer wall of the first U-shaped block 21, and a slide rod 23 is movably connected inside the sleeve 22. One end of the slide rod 23 is fixedly connected to a limited block 231, and a spring 24 is movably sleeved on the outside of the slide rod 23. The spring 24 is far away from the rotating disk 14. The side away from the limit block 231 is fixedly connected to the inner wall of one side of the sleeve 22, the side of the slide rod 23 away from the limit block 231 is fixedly connected to the second U-shaped block 25, and the second U-shaped block 25 is movably connected to the second support block 251, a displacement sensor 26 is embedded on the inner wall of one side of the sleeve 22 outside the spring 24, and the top of the steering wheel body 12 is fixedly connected to the top plate 19, the top plate 19 is opened with a top hole 191, and a detection safety device 192 is fixedly connected in the top hole 191.

[0020] Specifically, when holding the steering wheel body 12, both hands are placed on the outer wall of the steering wheel body 12, and the palms are in contact with the protective cover 18. The outer diameter of the protrusion 171 is larger than the outer diameter of the arc block 17, so that the protrusion 171 and the arc block 17 move horizontally. The arc block 17 drives the rotating disk 14 to deflect through the first fixing bolt 15, the transmission rod 151 and the second fixing bolt 16. The rotating disk 14 uses its own deflection to pull the sleeve 22 to deflect around the first support block 2, so that the limit block 231 in the sleeve 22 compresses the spring 24, and the length of the spring 24 after compression is reduced. The displacement sensor 26 collects information, and then transmits the deformation of the spring 24 to the detection safety device 192 through the displacement sensor 26. The data collection includes the collection of the driver's heart rate, hand pressure on the steering wheel and eye movement feature data. The detection safety device 192 collects the data of the driver's hand pressure on the steering wheel, and transmits the collected data to the single-chip microcomputer for processing to determine the relevant fatigue threshold. After that, real-time monitoring is performed based on the collected data to judge the driver's current driving state. If a fatigue driving state occurs, early warning measures are taken in time, and the internal alarm system will emit a warning sound, thereby performing a real-time safety warning.

[0021] A fixing plate 31 is fixedly connected to the bottom of the rotating rod 3 , and a bolt 32 is movably connected to the fixing plate 31 .

[0022] Specifically, the bolts 32 are used to fix the entire device.

[0023] First slide grooves 122 are provided on both inner walls of the side grooves 121 , and first sliders 172 are fixedly connected to both outer walls of the arc block 17 . The first sliders 172 are located in the first slide grooves 122 , and the steering wheel body 12 and the arc block 17 are slidably connected to the first slide grooves 122 through the first sliders 172 .

[0024] Specifically, to facilitate the horizontal movement of the arc block 17 , the length of the first sliding groove 122 is greater than the length of the first sliding block 172 .

[0025] The steering wheel body 12 is movably sleeved with a protective cover 18 , and a cylinder 181 is fixedly connected to the upper part of the inner wall of the protective cover 18 . The cylinder 181 is located in the circular hole 123 , and the steering wheel body 12 and the protective cover 18 are fixed by the engagement of the cylinder 181 and the circular hole 123 .

[0026] Specifically, a touch sensor is fixed inside the protective cover 18 for detecting whether the driver holds the steering wheel tightly with both hands, and the cylinder 181 is used to fix the protective cover 18 .

[0027] A second slide groove 221 is formed on the inner wall of the sleeve 22 , a second slider 232 is fixedly connected to the outer wall of the limit block 231 , the second slider 232 is located in the second slide groove 221 , and the sleeve 22 and the slide rod 23 are slidably connected to the second slide groove 221 via the second slider 232 .

[0028] Specifically, the stability of the structure between the sleeve 22 and the slide rod 23 is improved.

[0029] Furthermore, in order to enhance the stability of the device and improve the safety warning effect, such as Figure 7-Figure 10 As shown, the following preferred technical solutions are provided.

[0030] The moving distance of the arc block 17 is the same as the arc length of the deflection movement of the rotating disk 14.

[0031] The number of the arc blocks 17 is four, and the length of the arc block 17 is smaller than a quarter of the circumference of the protective cover 18 .

[0032] The inner wall of the protective cover 18 abuts against the outer wall surface of the projection 171 .

[0033] Working principle: first, when holding the steering wheel body 12, both hands are placed on the outer wall of the steering wheel body 12, the palms are in contact with the protective cover 18, the convex block 171 and the arc block 17 move horizontally, and the arc block 17 drives the rotating disk 14 to deflect through the first fixed bolt 15, the transmission rod 151 and the second fixed bolt 16. The rotating disk 14 uses its own deflection to pull the sleeve 22 to deflect around the first support block 2, so that the limit block 231 in the sleeve 22 compresses the spring 24, and the deformation of the spring 24 is transmitted to the detection safety device 192 through the displacement sensor 26, and then a real-time safety warning is performed. The structure is simple and easy to operate.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steering wheel with a pressure wave detection safety warning function, comprising a base plate (1) and a rotating rod (3) fixedly connected to the bottom of the base plate (1), characterized in that: A bottom hole (11) is provided in the middle of the bottom plate (1); a steering wheel body (12) is fixedly connected to the top of the bottom plate (1); side grooves (121) are provided on the outer walls of the steering wheel body (12); and round holes (123) are provided on the top of the steering wheel body (12); a cross (13) is fixedly connected to the top of the bottom plate (1); a rotating shaft (131) is fixedly connected to the top of the cross (13); a rotating disk (14) is rotatably connected to the rotating shaft (131); and a rotating disk (14) is provided in the middle of the rotating disk (14). A mounting hole (141) is provided, and the top of the rotating disk (14) is fixedly connected to a first fixing bolt (15) on all four sides, a transmission rod (151) is movably sleeved on the first fixing bolt (15), a second fixing bolt (16) is movably sleeved on a side of the transmission rod (151) away from the first fixing bolt (15), a limiting member (161) is movably sleeved on the second fixing bolt (16), a side of the limiting member (161) away from the transmission rod (151) is fixedly connected to an arc block (17), and a convex protrusion is fixedly connected to the outer wall of the arc block (17). A block (171) is fixedly connected to the outer wall of the rotating disk (14) with a first support block (2), a side of the first support block (2) away from the rotating disk (14) is movably connected to a first U-shaped block (21), a sleeve (22) is fixedly connected to the outer wall of the first U-shaped block (21), a sliding rod (23) is movably connected inside the sleeve (22), one end of the sliding rod (23) is fixedly connected to a limit block (231), a spring (24) is movably sleeved outside the sliding rod (23), and a side of the spring (24) away from the limit block (231) is movably connected to the sleeve The inner wall of one side of the steering wheel body (22) is fixedly connected, a side of the slide bar (23) away from the limit block (231) is fixedly connected to a second U-shaped block (25), a second support block (251) is movably connected to the second U-shaped block (25), a displacement sensor (26) is embedded on the inner wall of one side of the sleeve (22) outside the spring (24), a top plate (19) is fixedly connected to the top of the steering wheel body (12), a top hole (191) is opened on the top plate (19), and a detection safety device (192) is fixedly connected in the top hole (191).

2. A steering wheel with pressure wave detection safety warning function according to claim 1, characterized in that: A fixing plate (31) is fixedly connected to the bottom of the rotating rod (3), and a bolt (32) is movably connected to the fixing plate (31).

3. The steering wheel with pressure wave detection safety warning function according to claim 1, characterized in that: First sliding grooves (122) are provided on both inner walls of the side grooves (121), first sliding blocks (172) are fixedly connected to both outer walls of the arc block (17), the first sliding blocks (172) are located in the first sliding grooves (122), and the steering wheel body (12) and the arc block (17) are slidably connected to the first sliding grooves (122) via the first sliding blocks (172).

4. The steering wheel with pressure wave detection safety warning function according to claim 1, characterized in that: The steering wheel body (12) is movably sleeved with a protective sleeve (18) on its exterior, and a cylinder (181) is fixedly connected to the upper portion of the inner wall of the protective sleeve (18); the cylinder (181) is located in the circular hole (123), and the steering wheel body (12) and the protective sleeve (18) are fixedly engaged with each other through the cylinder (181) and the circular hole (123).

5. The steering wheel with pressure wave detection safety warning function according to claim 1, characterized in that: A second sliding groove (221) is provided on the inner wall of the sleeve (22), a second sliding block (232) is fixedly connected to the outer wall of the limit block (231), the second sliding block (232) is located in the second sliding groove (221), and the sleeve (22) and the sliding rod (23) are slidably connected to the second sliding groove (221) via the second sliding block (232).

6. The steering wheel with pressure wave detection safety warning function according to claim 1, characterized in that: The moving distance length of the arc block (17) is the same as the arc length of the deflection movement of the rotating disk (14), and the outer diameter dimension of the protrusion (171) is greater than the outer diameter dimension of the steering wheel body (12).

7. The steering wheel with pressure wave detection safety warning function according to claim 1, characterized in that: The number of the arc-shaped blocks (17) is four, and the length of the arc-shaped blocks (17) is smaller than one quarter of the circumference of the protective sleeve (18).

8. The steering wheel with pressure wave detection safety warning function according to claim 4, characterized in that: The inner wall of the protective sleeve (18) abuts against the outer wall surface of the protrusion (171).

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