Road surface humidity monitoring device

Abstract

The utility model provides a road surface humidity monitoring device, and relates to the technical field of intelligent traffic and optical detection. The device comprises: a detection member; the driving assembly comprises a driving piece and a driving shaft connected with the driving piece; the transmission assembly comprises a first shaft, a second shaft, a first gear set, a second gear set, a third gear set and a connecting frame; when the driving part drives the driving shaft to rotate, the shunting transmission assembly is configured to switch to the first shaft to synchronously rotate with the first gear set or the second gear set so as to drive the detection part to move in the first rotating direction or the second rotating direction; or the second shaft is switched to rotate synchronously with the first gear set or the second gear set so as to drive the detection piece to move in the third rotation direction or the fourth rotation direction. According to the invention, multi-degree-of-freedom angle adjustment is realized, the detection range is expanded, and the road surface state data is accurately obtained by combining a laser dynamic detection technology.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent transportation and optical detection technical field, especially a road surface humidity monitoring devices. BACKGROUND

[0002] At present, the monitoring of road surface water or ice in winter mainly relies on the fixed sensor or the artificial inspection.

[0003] In the prior art, the fixed sensor (such as the embedded temperature and humidity probe or optical sensor) is usually arranged in a specific road section to detect the state of the local area fixedly, and the artificial inspection relies on the on-site investigation of maintenance personnel and the road surface information obtained by the handheld detection equipment.

[0004] However, the detection range of the fixed sensor is limited, only covering the local area, and the detection angle cannot be adjusted dynamically, the response of the artificial inspection is lagged, and the artificial inspection efficiency is low, so it is difficult to feedback the sudden road conditions in time. INVENTION CONTENTS

[0005] In view of the above problems, the utility model provides a road surface humidity monitoring device, which can be adjusted in multiple degrees of freedom, expand the detection range, and accurately obtain road surface state data by combining laser dynamic detection technology.

[0006] The road surface humidity monitoring device provided by the application comprises a detection piece, a driving assembly comprising a driving piece and a driving shaft connected with the driving piece, a transmission assembly comprising a first shaft, a second shaft, a first gear set, a second gear set, a third gear set and a connecting frame, the first gear set and the second gear set are both correspondingly sleeved on the driving shaft, the first shaft and the second shaft, the rotation direction of the first gear set is opposite to that of the second gear set, the first shaft, the driving shaft and the second shaft are sequentially arranged on the connecting frame, and the first shaft is connected with the detection piece.

[0007] When the driving piece drives the driving shaft to rotate, the shunt transmission assembly is configured to: switch to synchronous rotation of the first shaft and the first gear set to drive the detection piece to move in a first rotation direction, or switch to synchronous rotation of the first shaft and the second gear set to drive the detection piece to move in a second rotation direction, or switch to synchronous rotation of the second shaft and the first gear set to drive the detection piece to move in a third rotation direction, or switch to synchronous rotation of the second shaft and the second gear set to drive the detection piece to move in a fourth rotation direction, wherein the first rotation direction is opposite to the second rotation direction, the third rotation direction is opposite to the fourth rotation direction, and the first rotation direction is perpendicular to the third rotation direction.

[0008] Optionally, the split transmission assembly comprises at least two first electromagnetic clutches and at least two second electromagnetic clutches, the first electromagnetic clutches are arranged on the first shaft in a spaced manner and rotate synchronously with the first shaft, each first electromagnetic clutch is connected to the first gear set and the second gear set correspondingly, and the first electromagnetic clutch is used to connect or disengage with the first gear set or the second gear set, so that the first shaft rotates synchronously with the first gear set or the second gear set.

[0009] The second electromagnetic clutches are arranged on the second shaft in a spaced manner and rotate synchronously with the second shaft, each second electromagnetic clutch is connected to the first gear set and the second gear set correspondingly, and the second electromagnetic clutch is used to connect or disengage with the first gear set or the second gear set, so that the second shaft rotates synchronously with the first gear set or the second gear set.

[0010] Optionally, at least one of the first electromagnetic clutch and the second electromagnetic clutch comprises a plug-in magnetic suction sleeve, a cross-shaped rotating shaft and a power coil, the plug-in magnetic suction sleeve is nested on the cross-shaped rotating shaft, a connecting head is arranged on the plug-in magnetic suction sleeve, a connecting hole is arranged on the first gear set and the second gear set, the connecting head is connected to the connecting hole, the cross-shaped rotating shaft is connected to the first shaft or the second shaft, the first shaft is connected to the detection member through a longitudinal rotating ring, and the power coil is arranged on the plug-in magnetic suction sleeve; when the power coil is powered, the plug-in magnetic suction sleeve is attracted to connect the first gear set or the second gear set through the connecting head, the cross-shaped rotating shaft is driven to rotate to drive the first shaft or the second shaft to rotate.

[0011] Optionally, at least four elastic members are further included, each elastic member is connected to each first electromagnetic clutch and each second electromagnetic clutch one by one, one end of the elastic member is connected to the first electromagnetic clutch or the second electromagnetic clutch, and the other end is used to connect to the first gear set or the second gear set, and the elastic member is stretched to drive the first gear set or the second gear set to move along the axial direction to disengage from the first electromagnetic clutch or the second electromagnetic clutch.

[0012] Optionally, the first gear set comprises a first driving gear, a first gear and a second gear, the first gear is sleeved on the first shaft, and the second gear is sleeved on the second shaft;

[0013] The second gear set comprises a second driving gear, a third gear and a fourth gear, the third gear is sleeved on the first shaft, and the fourth gear is sleeved on the second shaft, and the meshing direction of the first driving gear is opposite to the meshing direction of the second driving gear.

[0014] Optionally, a longitudinal rotating ring is further included, the detection member is connected to the first shaft through the longitudinal rotating ring, a scale mark is arranged on the circumferential side of the longitudinal rotating ring, and the angle of the first rotating direction or the second rotating direction is adjusted.

[0015] Optionally, the third gear set comprises a worm and an axially connected double gear, the worm is connected with the second shaft or the worm forms the second shaft, the worm has a helical tooth surface, the axially connected double gear has two ends with helical tooth surfaces, the helical tooth surface is engaged with one helical tooth surface, and the other helical tooth surface of the axially connected double gear is connected with the turntable.

[0016] Optionally, the turntable comprises a rotating base, a base sun gear and a planetary gear carrier ring, the planetary gear carrier ring is fixed to the outer edge of the base sun gear, the base sun gear is arranged on the rotating base, the rotating base is connected with the connecting frame, the second shaft is fixedly connected with the worm, the worm is engaged with the upper end gear of the axially connected double gear, and the lower end gear of the axially connected double gear is engaged with the inner ring gear of the planetary gear carrier ring to drive the rotating base to rotate around the base sun gear.

[0017] Optionally, the shell further comprises a containing cavity in the shell, the detection member, the driving assembly, the transmission assembly and the turntable are arranged in the containing cavity, and the shell corresponding to the detection range of the detection member is a transparent layer.

[0018] Optionally, the detection member comprises a laser emission hole and a receiving panel, the laser emission hole emits a near-infrared laser beam to penetrate the ice layer, the receiving panel collects a reflected light signal and calculates the water ice thickness, and the receiving panel is internally provided with a wireless communication module to interact with a vehicle-road cooperation platform in real time.

[0019] The utility model has the following advantages:

[0020] (1) Breakthrough in local detection limit, improved coverage, and meet the omnidirectional perception of the vehicle-road cooperation system on the road surface state;

[0021] Through the cooperation of the bidirectional shunt transmission structure (the first gear set and the second gear set) and the magnetic attraction decoupling type shaft coupling (the shunt transmission assembly), the power of the driving shaft can be shunted to the first shaft (rotation in the pitch direction) or the second shaft (rotation in the horizontal direction), realizing the bidirectional independent adjustment of the detection member in the vertical pitch (the first / second rotation direction) and the horizontal scanning (the third / fourth rotation direction), the bidirectional shunt transmission structure driven by the power motor, the magnetic attraction decoupling type shaft coupling, the worm planetary composite transmission structure and the cross rotating shaft, realizing the automatic pitch and horizontal adjustment of the detection angle, and cooperating with the laser emission and receiving module to realize the real-time monitoring of the water ice thickness of the road surface. Compared with the traditional fixed sensor or single angle adjustment mechanism, the structure breaks through the limitation of the local detection range and improves the detection coverage;

[0022] (2) Compact structure, high detection precision, and convenient actual use and operation;

[0023] The device of the application comprises a protective shell, a power transmission module, an angle adjusting module, a laser detection module and a data feedback system, can dynamically adjust the detection range, accurately obtains the road surface state data, and provides the safe speed suggestion for the driver through the vehicle-road cooperation platform. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the first perspective of the utility model;

[0025] Figure 2 It is a structural schematic diagram of the first electromagnetic clutch of the utility model in the section view of the second perspective;

[0026] Figure 3 It is a structural schematic diagram of the second electromagnetic clutch of the utility model in the section view of the second perspective;

[0027] Figure 4 It is a structural schematic diagram of the shunt transmission assembly of the second electromagnetic clutch of the utility model;

[0028] Figure 5 It is a structural schematic diagram of the worm planetary composite transmission structure of the utility model;

[0029] Figure 6 It is a structural schematic diagram of the first electromagnetic clutch of the utility model;

[0030] Figure 7 It is a structural schematic diagram of the first electromagnetic clutch of the utility model in the second perspective;

[0031] In the drawing, 1 is a shell, 2 is a longitudinal rotation ring, 3 is a laser emission hole, 4 is a receiving panel, 5 is a plug-in magnetic gear, 6 is a plug-in magnetic sliding sleeve, 7 is a first shaft, 8 is a driving part, 9 is a worm, 10 is an axial connection double gear, 11 is a base sun gear, 12 is a planetary gear bearing ring, 13 is a rotating base, 14 is a first driving gear, 15 is a driving shaft, 16 is a second driving gear, 17 is an elastic part, 18 is a power coil, 19 is a connecting head, 20 is a connecting hole, 21 is a cross rotation shaft, 50 is a first gear set, and 60 is a second gear set. DETAILED DESCRIPTION

[0032] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0033] It should be noted that the directions or positional relationships indicated by "left", "right" and the like are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships commonly used when the product is used, or the directions or positional relationships commonly understood by those skilled in the art. Such terms are only used to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0034] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict. At present, the monitoring of road surface water or ice in winter mainly relies on a combination of fixed sensors or manual inspection.

[0035] In the prior art, fixed sensors such as embedded temperature and humidity probes or optical sensors are usually arranged in specific road sections to fixedly detect the state of local areas, and manual inspection relies on on-site investigation by maintenance personnel, supplemented by handheld detection equipment to obtain road surface information.

[0036] However, the detection range of the fixed sensor is limited, only covering a local area, and the detection angle cannot be dynamically adjusted; the response of manual inspection is lagging, and manual inspection is inefficient, making it difficult to timely feedback sudden road conditions.

[0037] In addition, existing mechanical angle adjustment mechanisms such as hydraulic drive or stepper motor have complex structure and high energy consumption, and are difficult to adapt to vibration and temperature changes in a vehicle-mounted environment. Patent CN 112284233 A proposes a vehicle-mounted ice layer detection device, but it relies on radar and light intensity detection and does not solve the problem of multi-angle dynamic coverage, and does not integrate vehicle-road cooperation data interaction function.

[0038] Therefore, based on the above problems, with reference to Figure 1 The utility model provides a kind of to solve problem.

[0039] (Embodiment 1)

[0040] With reference to Figures 1-7 The utility model provides a kind of road surface humidity monitoring device, including detection piece;Drive assembly, including drive piece 8 and the drive shaft 15 connected with drive piece 8;

[0041] Transmission assembly, including first shaft 7, second shaft, first gear set 50, second gear set 60, third gear set and connecting frame, first gear set 50 and second gear set 60 are correspondingly set on drive shaft 15, first shaft 7 and second shaft, the rotation direction of first gear set 50 is opposite with the rotation direction of second gear set 60, first shaft 7, drive shaft 15 and second shaft are sequentially arranged on connecting frame, and first shaft 7 is connected with detection piece;

[0042] The rotating table is connected with the connecting frame, and one end of the second shaft is connected with the rotating table through the third gear set; when the driving member 8 drives the driving shaft 15 to rotate, the split transmission assembly is configured to switch to synchronous rotation of the first shaft 7 and the first gear set 50 to drive the detection member to move in the first rotation direction, or switch to synchronous rotation of the first shaft 7 and the second gear set 60 to drive the detection member to move in the second rotation direction, or switch to synchronous rotation of the second shaft and the first gear set 50 to drive the rotating table to drive the detection member to move in the third rotation direction, or switch to synchronous rotation of the second shaft and the second gear set 60 to drive the rotating table to drive the detection member to move in the fourth rotation direction; wherein the first rotation direction is opposite to the second rotation direction, the third rotation direction is opposite to the fourth rotation direction, and the first rotation direction is perpendicular to the third rotation direction.

[0043] The utility model discloses a compound structure of magnetic attraction decoupling transmission and worm planetary gear is designed innovatively, and the precision control of detection angle and real-time feedback of data are realized by combining with laser dynamic detection technology, and the technical blank of pavement state perception under the vehicle-road cooperation mode is filled.

[0044] Wherein, refer to Figure 1 The first rotation direction and the second rotation direction are the pitch directions of the detection member, the third rotation direction and the fourth rotation direction are the horizontal adjustment rotation directions of the detection member, and the omnibearing dynamic detection of the detection member is realized. The first shaft 7 is a transmission shaft 7, and the second shaft can be a cross rotating shaft, one end of the cross rotating shaft is connected with the worm 9.

[0045] The first gear set 50 includes a first driving gear 14, a first gear 5 and a second gear 51, the first gear 5 is sleeved on the first shaft 7, and the second gear 51 is sleeved on the second shaft; the first gear 5, the second gear 51, the third gear 61 and the fourth gear 62 are all plug-in type magnetic attraction gears 5

[0046] The second gear set 60 includes a second driving gear 16, a third gear 61 and a fourth gear 62, the third gear 61 is sleeved on the first shaft 7, and the fourth gear 62 is sleeved on the second shaft, and the meshing direction of the first driving gear 14 is opposite to the meshing direction of the second driving gear 16.

[0047] The driving assembly includes a driving member 8 and a driving shaft 15 connected with the driving member 8, the driving member 8 can be a power motor 8, the driving shaft 15 is a motor transmission shaft 15, the first driving gear 14 is a transmission gear wheel 14, and the second driving gear 16 is a transmission pinion 16. The power is distributed to the pitch and horizontal adjustment module through the bidirectional split transmission structure. Figure 2As shown, the power motor 8 drives the transmission large gear 14 and the transmission small gear 16 to rotate reversely through the motor transmission shaft 15. The transmission large gear 14 is engaged with the plug-in magnetic gear 5 of the magnetic decoupling coupling 1, and the transmission small gear 16 is engaged with the plug-in magnetic gear 5 of the magnetic decoupling coupling 2, so as to realize independent control of the pitching and horizontal movement through the reverse rotation of the gears.

[0048] The shunt transmission assembly is used for adjusting the power distribution to the pitching and horizontal adjustment modules. The shunt transmission assembly comprises at least two first electromagnetic clutches and at least two second electromagnetic clutches. The first electromagnetic clutches are arranged on the first shaft 7 in a spaced manner and rotate synchronously with the first shaft 7. Each first electromagnetic clutch is connected with the first gear set 50 and the second gear set 60 correspondingly. The first electromagnetic clutch is used for connecting or disconnecting with the first gear set 50 or the second gear set 60, so as to make the first shaft 7 rotate synchronously with the first gear set 50 or the second gear set 60. The second electromagnetic clutches are arranged on the second shaft in a spaced manner and rotate synchronously with the second shaft. Each second electromagnetic clutch is connected with the first gear set 50 and the second gear set 60 correspondingly. The second electromagnetic clutch is used for connecting or disconnecting with the first gear set 50 or the second gear set 60, so as to make the second shaft rotate synchronously with the first gear set 50 or the second gear set 60.

[0049] Optionally, at least one of the first electromagnetic clutch and the second electromagnetic clutch comprises the plug-in magnetic sliding sleeve 6, the cross-rotating shaft 21 and the energized magnetic coil 18. The plug-in magnetic sliding sleeve 6 is nested on the cross-rotating shaft 21. The plug-in magnetic sliding sleeve 6 is provided with the connecting head 19. The first gear set 50 and the second gear set 60 are both provided with the connecting hole 20. The connecting head 19 is connected with the connecting hole 20. The cross-rotating shaft 21 is connected with the first shaft 7 or the second shaft. The first shaft 7 is connected with the detection member through the longitudinal rotating ring 2. The energized magnetic coil 18 is arranged on the plug-in magnetic sliding sleeve 6. When the energized magnetic coil 18 is energized, the plug-in magnetic sliding sleeve 6 is attracted to be connected with the first gear set 50 or the second gear set 60 through the connecting head 19. The cross-rotating shaft 21 is driven to rotate to drive the first shaft 7 or the second shaft to rotate.

[0050] The surface of the plug-in magnetic sliding sleeve 6 is provided with a wear-resistant coating. The inner wall of the plug-in magnetic sliding sleeve 6 is connected with the cross-rotating shaft 21 through the connecting head 19 and the connecting hole 20. When the energized magnetic coil 18 is energized, a magnetic field strength of ≥0.5T is generated, so as to ensure the rigid connection of the sliding sleeve 6 and the driving gear 5.

[0051] The power transmission module distributes the power to the magnetic decoupling couplings 1 and 2 through the bidirectional shunt transmission structure. The transmission small gear 16 drives the plug-in magnetic gears 5 at both ends of the coupling to rotate reversely, so as to control the pitching or the horizontal left or right movement respectively.

[0052] Further comprising at least four elastic members 17, each of which is connected with each first electromagnetic clutch and each second electromagnetic clutch one by one, one end of the elastic member 17 is connected with the first electromagnetic clutch or the second electromagnetic clutch, and the other end is used to be connected with the first gear set 50 or the second gear set 60, and the elastic member 17 drives the first gear set 50 or the second gear set 60 to move axially to disengage from the first electromagnetic clutch or the second electromagnetic clutch when stretched.

[0053] The elastic member 17 can be a buffer return spring 17, which works with the energized electromagnetic coil 18, and when de-energized, the spring 17 pushes the plug-in magnetic suction sleeve 6 to reset, ensuring transmission separation.

[0054] Referring to Figure 3 , the plug-in magnetic suction sleeve 6 is nested on the cross rotating shaft 21, and its inner wall is connected with the shaft 21 through the connecting head 19 and the connecting hole 20; when the energized electromagnetic coil 18 is energized, the suction sleeve 6 is rigidly combined with the driving gear 5 through the connecting head 19 to drive the cross rotating shaft 21 to rotate. The right end of the cross rotating shaft 21 is fixedly connected with the transmission shaft 7, and the end of the transmission shaft 7 is connected with the longitudinal rotating ring 2 through a flange to realize the pitch angle adjustment of the detector. When de-energized, the buffer return spring 17 pushes the sleeve 6 to reset, and the transmission is separated.

[0055] Optionally, the third gear set comprises a worm 9 and an axially connected double gear 10, the worm 9 is connected with the second shaft or the worm 9 forms the second shaft, the worm 9 has a spiral tooth surface, and the axially connected double gear 10 has two bevel tooth surfaces at its two ends, the spiral tooth surface is meshed with one bevel tooth surface, and the other bevel tooth surface of the axially connected double gear 10 is connected with the turntable. Figure 4 As shown in the figure, the cross rotating shaft right end of the shaft coupling 2 is fixedly connected with the worm 9, and the worm 9 is meshed with the upper end gear of the axially connected double gear 10. The lower end gear of the axially connected double gear 10 is meshed with the inner ring gear of the planetary gear carrier ring 12 to drive the rotating base 13 to revolve around the base sun gear 11, realizing horizontal scanning. The planetary gear carrier ring 12 is fixed on the outer edge of the base sun gear 11 through bolts to ensure the stability of the transmission.

[0056] The meshing of the worm 9 and the axially connected double gear 10, and the meshing of the lower end gear of the axially connected double gear 10 and the inner ring gear of the planetary gear carrier ring 12 form a planetary gear train to drive the rotating base 13 to rotate horizontally.

[0057] Optionally, the rotating base 13, the base sun gear 11 and the planetary gear carrier 12 are fixed on the outer edge of the base sun gear 11, the base sun gear 11 is arranged on the rotating base 13, the rotating base 13 is connected with the connecting frame, the second shaft is fixedly connected with the worm 9, the worm 9 is engaged with the upper end gear of the axial connection double gear 10, and the lower end gear of the axial connection double gear 10 is engaged with the inner ring gear of the planetary gear carrier 12 to drive the rotating base 13 to rotate around the base sun gear 11.

[0058] Referring to Figure 5 The helical tooth surface of the worm 9 is closely engaged with the helical tooth surface of the axial connection double gear 10, the worm 9 drives the axial connection double gear 10 to revolve around the base sun gear 11 every rotation, and high-precision horizontal angle adjustment is realized.

[0059] It should be noted that the first electromagnetic clutch further comprises the magnetic attraction and disengagement type coupling 1. The second electromagnetic clutch further comprises the magnetic attraction and disengagement type coupling 2.

[0060] The second gear set 60, the first gear set 50, the first shaft 7 and the two first electromagnetic clutches form a pitch angle adjustment module: the magnetic attraction and disengagement type coupling 1, the plug-in magnetic attraction gear 5, the plug-in magnetic attraction sliding sleeve 6, the cross rotating shaft 21, the transmission shaft 7 and the longitudinal rotating ring 2; the plug-in magnetic attraction sliding sleeve 6 is nested on the cross rotating shaft 21, is connected with the plug-in magnetic attraction gear 5 through the energized magnetic coil 18, is connected under the connection of the 19 connecting head and the 20 connecting hole to realize co-rotation, drives the longitudinal rotating ring 2 to realize detector pitch angle adjustment, and the plug-in magnetic attraction sliding sleeve 6 is connected with the plug-in magnetic attraction gear 5 at one end of the magnetic attraction and disengagement type coupling 1 to realize vertical clockwise angle change, and when combined with the plug-in magnetic attraction gear at the other end, vertical counterclockwise angle change is realized.

[0061] The second gear set 60, the first gear set 50, the second shaft and the two second electromagnetic clutches form a pitch angle adjustment module horizontal rotation module: the magnetic attraction and disengagement type coupling 2, the worm 9, the axial connection double gear 10, the base sun gear 11, the planetary gear carrier 12 and the rotating base 13; the plug-in magnetic attraction sliding sleeve is connected with the plug-in electromagnetic drive gear at one end of the magnetic attraction and disengagement type coupling 2 to realize horizontal clockwise angle change, and when combined with the plug-in electromagnetic drive gear at the other end, horizontal counterclockwise angle change is realized. The worm 9 is engaged with the axial connection double gear 10 to drive the planetary gear carrier 12 to rotate around the base sun gear 11, and drive the rotating base 13 to realize horizontal scanning.

[0062] Optionally, the first gear set 50 and the second gear set 60 are provided with suction accessories 18, which are connected with the first electromagnetic clutch or the second electromagnetic clutch, and when the first electromagnetic clutch or the second electromagnetic clutch is powered, the suction accessories 18 are driven to move to drive the first gear set 50 or the second gear set 60 to move axially, or when powered, the first electromagnetic clutch or the second electromagnetic clutch moves axially towards the first gear set 50 or the second gear set 60.

[0063] The first driving gear 5 of the first gear set 50 is a plug-in magnetic gear 5, and the first driving gear 6 is a plug-in magnetic gear 6.

[0064] The power motor 8 drives the plug-in magnetic gear 5 of the magnetic clutch coupling 1, 2 through the transmission gear 14 and the pinion 16, and the transmission pinion 16 reverses the rotation of the driving gears at both ends of the coupling to control the pitch and horizontal movement respectively.

[0065] Preferably, the magnetic clutch coupling 1 attracts the plug-in magnetic sliding sleeve 6 through the power coil 18, drives the cross rotating shaft 21 to rotate, and further drives the transmission shaft 7 and the longitudinal rotating ring 2 to adjust the pitch angle.

[0066] Preferably, the worm 9 of the magnetic clutch coupling 2 is engaged with the axial connection double gear 10 to drive the rotating base 13 to rotate horizontally.

[0067] Optionally, it also includes a shell 1, the shell 1 has a containing cavity inside, the detection member, the driving assembly, the transmission assembly and the turntable are all arranged in the containing cavity, and the corresponding shell 1 in the detection range of the detection member is a transparent layer.

[0068] Further, the longitudinal rotating ring 2 is connected with the protective shell 1 through a bearing seat, and a scale mark is arranged on the outer edge thereof, so that the pitch angle can be calibrated conveniently.

[0069] Further, the rotating base 13 is connected with the base of the protective shell 1 through a ball bearing at the bottom, the friction coefficient is ≤0.01 when rotating horizontally, and the smooth rotation is ensured.

[0070] Further, the buffer reset spring 17 is a double helix compression spring, the pre-tightening force is 50N, the reset stroke is 3mm, and polyurethane pads are arranged at both ends of the spring to prevent impact wear.

[0071] Optionally, the detection member includes a laser emitting hole 3 and a receiving panel 4, the laser emitting hole 3 emits a near-infrared laser beam to penetrate the ice layer, the receiving panel 4 collects the reflected light signal and calculates the water ice thickness, and a wireless communication module is built-in the receiving panel 4 to interact with the vehicle-road cooperative platform in real time.

[0072] Preferably, the protective shell 1 is made of aluminum alloy material, a dustproof and waterproof structure is arranged inside, and the laser emitting hole 3 and the receiving panel 4 are arranged outside.

[0073] The longitudinal rotating ring 2 is connected with the first shaft through the detection member, and the circumferential side of the longitudinal rotating ring 2 is provided with a scale mark for adjusting the angle of the first rotating direction or the second rotating direction. In some embodiments, the first electromagnetic clutch member can be a magnetic attraction clutch type coupling 1, and the second electromagnetic clutch member can be a magnetic attraction clutch type coupling 2.

[0074] It should be noted that the present application can realize multi-angle cooperative motion, pitch motion: the longitudinal rotating ring 2 drives the detection module to make arc-shaped scanning along the vertical plane. Horizontal motion: the rotating base 13 drives the detection module to rotate horizontally, realizing 360° area coverage in the transverse direction. Compound motion: when the pitch and horizontal modules are linked, the detection path presents a spiral expanding trajectory, ensuring dynamic coverage without dead angle. The power motor 8 drives the transmission large gear 14 and the transmission small gear 16 to rotate in opposite directions through the bidirectional shunt transmission structure. The transmission large gear drives the pitch angle adjusting module, and the transmission small gear drives the horizontal rotating module. Through the on-off control of the magnetic attraction clutch type couplings 1 and 2, independent or synchronous adjustment in the pitch (up and down) and horizontal (left and right) directions is realized.

[0075] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A road surface moisture monitoring device, characterized by, The utility model relates to a detection device, comprising: a detection piece; a driving assembly comprising a driving piece (8) and a driving shaft (15) connected with the driving piece (8); a transmission assembly comprising a first shaft (7), a second shaft, a first gear set (50), a second gear set (60), a third gear set and a connecting frame, the first gear set (50) and the second gear set (60) are both correspondingly sleeved on the driving shaft (15), the first shaft (7) and the second shaft, the rotation direction of the first gear set (50) is opposite to that of the second gear set (60), the first shaft (7), the driving shaft (15) and the second shaft are sequentially arranged on the connecting frame, and the first shaft (7) is connected with the detection piece; a turntable, the connecting frame is connected with the turntable, and one end of the second shaft is connected with the turntable through the third gear set; a split transmission assembly, when the driving piece (8) drives the driving shaft (15) to rotate, the split transmission assembly is configured to switch to synchronous rotation of the first shaft (7) and the first gear set (50) or the second gear set (60) to drive the detection piece to move in a first rotation direction or a second rotation direction, or switch to synchronous rotation of the second shaft and the first gear set (50) or the second gear set (60) to drive the turntable to drive the detection piece to move in a third rotation direction or a fourth rotation direction, wherein the first rotation direction is opposite to the second rotation direction, the third rotation direction is opposite to the fourth rotation direction, and the first rotation direction is perpendicular to the third rotation direction.

2. The apparatus of claim 1, wherein, The split transmission assembly comprises at least two first electromagnetic clutches and at least two second electromagnetic clutches, the first electromagnetic clutches are arranged on the first shaft (7) and synchronously rotate with the first shaft (7), each first electromagnetic clutch is correspondingly connected with the first gear set (50) and the second gear set (60), and the first electromagnetic clutch is used for connecting or disconnecting with the first gear set (50) or the second gear set (60) to make the first shaft (7) synchronously rotate with the first gear set (50) or the second gear set (60); The second electromagnetic clutches are arranged on the second shaft and synchronously rotate with the second shaft, each second electromagnetic clutch is correspondingly connected with the first gear set (50) and the second gear set (60), and the second electromagnetic clutch is used for connecting or disconnecting with the first gear set (50) or the second gear set (60) to make the second shaft synchronously rotate with the first gear set (50) or the second gear set (60).

3. The apparatus of claim 2, wherein, At least one of the first electromagnetic clutch and the second electromagnetic clutch comprises a plug-in magnetic sliding sleeve (6) nested on a cross rotating shaft (21), the surface of the magnetic sliding sleeve (6) is provided with a connecting head (19) matched with the connecting hole (20) of the first gear set (50) and the second gear set (60); the cross rotating shaft (21) is coaxially fixedly connected with the first shaft (7) or the second shaft, or the cross rotating shaft (21) forms the first shaft (7) or the second shaft; the magnetic sliding sleeve (6) is provided with a power coil (18), when the power coil (18) is energized, the magnetic sliding sleeve (6) is axially displaced, the connecting head (19) is inserted into the connecting hole (20) of the corresponding gear set to form rigid transmission, and the cross rotating shaft (21) is driven to rotate to drive the first shaft (7) or the second shaft to rotate.

4. The apparatus of claim 3, wherein, Further comprising at least four elastic members (17), each of the elastic members (17) is connected with each of the first electromagnetic clutch and each of the second electromagnetic clutch one by one, one end of the elastic member (17) is connected with the first electromagnetic clutch or the second electromagnetic clutch, and the other end is used to be connected with the first gear set (50) or the second gear set (60), and the elastic member (17) drives the first gear set (50) or the second gear set (60) to move axially to be separated from the first electromagnetic clutch or the second electromagnetic clutch when the elastic member (17) is stretched.

5. The device of any one of claims 1-4, wherein, The first gear set (50) comprises a first driving gear (14), a first gear (5) and a second gear (51), the first gear (5) is sleeved on the first shaft (7), and the second gear (51) is sleeved on the second shaft; The second gear set (60) comprises a second driving gear (16), a third gear (61) and a fourth gear (62), the third gear (61) is sleeved on the first shaft (7), and the fourth gear (62) is sleeved on the second shaft, the meshing direction of the first driving gear (14) is opposite to the meshing direction of the second driving gear (16), The first gear (5), the second gear (51), the third gear (61) and the fourth gear (62) are all plug-in magnetic gears.

6. The apparatus of claim 5, wherein, Further comprising a longitudinal rotating ring (2), the detection member is connected with the first shaft through the longitudinal rotating ring (2), the circumferential side of the longitudinal rotating ring (2) is provided with a scale mark, and the angle of the first rotating direction or the second rotating direction is adjusted.

7. The device of any one of claims 1-4, wherein, The third gear set comprises a worm (9) and an axially connected double gear (10), the worm (9) is connected with the second shaft or the worm (9) forms the second shaft, the worm (9) has a spiral tooth surface, the two ends of the axially connected double gear (10) have inclined tooth surfaces, the spiral tooth surface is meshed with one inclined tooth surface, and the other inclined tooth surface of the axially connected double gear (10) is connected with the turntable.

8. The apparatus of claim 7, wherein, The rotating base (13) is connected with the connecting frame, the second shaft is fixedly connected with the worm (9), the worm (9) is engaged with the upper gear of the axial connecting double gear (10), and the lower gear of the axial connecting double gear (10) is engaged with the inner ring gear of the planetary gear carrier ring (12) to drive the rotating base (13) to rotate around the base sun gear (11).

9. The device of any one of claims 1-4, wherein, Further comprising a shell (1) with a containing cavity in it, the detection piece, the driving assembly, the transmission assembly and the rotating table are all arranged in the containing cavity, and the corresponding shell (1) in the detection range of the detection piece is a transparent layer.

10. The device of any one of claims 1-4, wherein, The detection piece comprises a laser emission hole (3) and a receiving panel (4), the laser emission hole (3) emits a near-infrared laser beam to penetrate the ice layer, the receiving panel (4) collects the reflected light signal and calculates the water ice thickness, and the receiving panel (4) is built-in with a wireless communication module to interact with the vehicle-road cooperation platform in real time.

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