CN114108508A

CN114108508A - Road safety early warning machine

Info

Publication number: CN114108508A
Application number: CN202111424210.XA
Authority: CN
Inventors: 张巨功; 袁华章; 黄岩; 张佳楠; 郭海
Original assignee: Shanxi Minghuang Road Technology Co ltd
Current assignee: Shanxi Minghuang Road Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-03-01

Abstract

The embodiment of the application discloses a road safety early warning machine, wherein the road safety early warning machine comprises a host, a loudspeaker assembly, a lifting device and a vertical rod; the gravity center of the host is lower than the geometric center of the case, and the top wall of the case is provided with an extension opening communicated with the inner cavity of the case; the loudspeaker component is arranged corresponding to the extension port; the lifting device is arranged in the inner cavity and connected with the loudspeaker assembly so as to drive the loudspeaker assembly to switch between a storage position hidden in the case and a working position extending out of the case through the extension opening; the upright rod is movably arranged on the case, so that the upright rod is provided with an unfolding position which is vertical relative to the upper surface of the case and an accommodating position which is flatly paved and accommodated on the outer surface of the case or accommodated in the case; the early warning monitoring assembly and the warning assembly are positioned on the part of the upright stanchion protruding out of the upper surface of the case. The road safety early warning machine can realize the stable placement of the whole machine without additionally arranging a fixing structure, and is more convenient for the packaging and transportation of the whole machine.

Description

Road safety early warning machine

Technical Field

The application relates to the technical field of road safety early warning equipment, in particular to a road safety early warning machine.

Background

In the process of road construction and maintenance or when a road has a traffic accident, the vehicle needs to be reminded of avoiding or slowing down in time. At present, a common warning device is integrally arranged into a vertical rod shape in order to facilitate a vehicle to timely see warning information, and a warning module is arranged at the upper end of the vertical rod. Then because the pole setting is overlength, need set up the supporting baseplate in the bottom of pole setting, and need with supporting baseplate fixed mounting on the road surface to prevent that warning device from toppling over. So, make warning device's fixed loaded down with trivial details, and make warning device whole high too high, be not convenient for packing and transportation.

The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.

Disclosure of Invention

In view of the above problems, the invention provides a road safety early warning machine, aiming at solving the technical problems of complex fixation, inconvenient packaging and transportation of the road safety early warning machine.

In order to achieve the purpose, the road safety early warning machine provided by the invention comprises a host, a loudspeaker assembly, a lifting device, a vertical rod, an early warning monitoring assembly and a warning assembly;

the main machine comprises a case, a power supply module and a controller which are electrically connected with each other, the case is provided with an inner cavity, the inner cavity is provided with the power supply module and the controller which are electrically connected with each other, the case is provided with an inner cavity, the power supply module and the controller are arranged in the inner cavity, so that the gravity center of the main machine is lower than the geometric center of the case, and the top wall of the case is provided with an extension opening communicated with the inner cavity;

the loudspeaker assembly is electrically connected with the controller and is arranged corresponding to the extension port;

the lifting device is arranged in the inner cavity, is connected with the loudspeaker assembly and is used for driving the loudspeaker assembly to ascend or descend so as to enable the loudspeaker assembly to be switched between a storage position hidden in the case and a working position extending out of the case through the extension opening;

the upright post is movably arranged on the case so as to enable the upright post to have an unfolding position and a containing position, and in the unfolding position, the upright post protrudes out of the upper surface of the case and is erected relative to the upper surface of the case; in the accommodating position, the upright rods are flatly accommodated on the outer surface of the case or accommodated in the case;

the early warning monitoring assembly and the warning assembly are both arranged on the upright rod and are electrically connected with the controller; in the unfolding position, the early warning monitoring assembly and the warning assembly are positioned on the part of the upright stanchion protruding out of the upper surface of the case.

In one embodiment, the vertical rod is rotatably mounted to the case around a transverse axis, a peripheral wall portion of the case is recessed inward to form a receiving groove, and the vertical rod is fittingly mounted in the receiving groove when the vertical rod is in the receiving position.

In one embodiment, the upright has a hinge end hinged to a position adjacent to the upper surface of the chassis in the accommodating groove; the holding tank is followed the upper and lower direction extension of quick-witted case, just the cross sectional dimension of holding tank is not less than the cross sectional dimension of pole setting, with the holding position makes the terminal surface of hinged end is less than or the parallel and level in the upper surface of quick-witted case, the outer peripheral face of pole setting is less than or the parallel and level in the outer peripheral face of quick-witted case.

In one embodiment, the case comprises a top plate, a right side plate and a back plate which are adjacent to each other, the top plate is located at the top of the case, the right side plate and the back plate extend downwards from the side edge of the top plate, the accommodating groove is formed at the joint of the right side plate and the back plate, and the accommodating groove penetrates through the top plate;

the early warning monitoring assembly comprises a camera device, the lower portion of the back plate of the case is outwards protruded to form a rear boss, when the upright rod is located at the accommodating position, the camera device transversely corresponds to the rear boss, so that the rear side face of the rear boss is higher than or parallel to the outer surface of the camera device.

In an embodiment, the front width of the case is greater than the side width, the extension opening is located in the middle of the top plate, a transverse support plate extending in the front width direction of the case is further arranged in the inner cavity of the case, the transverse support plate is located on the front side of the accommodating groove, and the lifting device is mounted on the transverse support plate.

In an embodiment, the case includes a case body and a case door, the back of the case body corresponds to the lifting device and is provided with an operation window, the operation window avoids the accommodating groove, the case door is detachably or movably mounted on the case body to open and close the operation window, an installation cavity with an upward opening is arranged on the inner wall surface of the case door, and the installation cavity is located on the front side of the transverse supporting plate.

In an embodiment, the power module is disposed corresponding to the rear boss and below the lateral support plate, the left side wall and the right side wall of the chassis are disposed below the lateral support plate and have heat dissipation grids, and the bottom wall of the chassis has a plurality of heat dissipation holes.

In one embodiment, an antenna assembly and a flag-shaking assembly are mounted on the top wall of the case, the antenna assembly and the flag-shaking assembly are located on one side of the speaker assembly adjacent to the controller, the antenna assembly and the flag-shaking assembly are arranged side by side in the width direction of the side face of the case, the antenna assembly extends along the width direction of the side face of the case, and the flag-shaking assembly swings along the width direction of the front face of the case.

In one embodiment, a display screen is installed on the front surface of the case, the display screen is electrically connected with the controller, and the ratio of the area of the display screen to the area of the front surface of the case is greater than or equal to 0.7.

In one embodiment, the road safety early warning machine further comprises an operation control board connected with the controller, the operation control board is mounted on a side surface of the case, a plurality of universal wheels are mounted on a bottom wall of the case, at least two of the universal wheels are provided with locking structures used for locking wheel bodies of the universal wheels, and when the locking structures are in an unlocking state, the universal wheels can move relative to the case; handles are arranged at the positions, adjacent to the top plate, of the back plate of the case, and handles are arranged on the left side face and the right side face of the case.

According to the road safety early warning machine, a structure that the machine case is provided with the vertical rod is adopted, and the power supply module and the controller are arranged in the machine case, so that on one hand, the installation space of the power supply module is larger, the larger power supply module can be arranged, the battery endurance of the road safety early warning machine is longer, on the other hand, the gravity center of the whole main machine is shifted downwards, the gravity center of the whole main machine is also shifted downwards, the whole machine is directly placed on the ground, stable fixation can be achieved, an additional fixing structure is not needed, the fixing structure of the road safety early warning machine and the ground is simplified or even eliminated, and the moving convenience of the road safety early warning machine is improved.

Simultaneously, through making the speaker subassembly have the storage position of hiding in the quick-witted case, then when non-operating condition, the speaker subassembly can be in the storage position, can avoid the speaker subassembly to expose on the one hand and experience the wind and rain to beat and the accident is collided with, promotes the life of speaker subassembly, and on the other hand can avoid the surface of speaker subassembly protrusion quick-witted case to reduce the height of complete machine, guarantee the appearance roughness of complete machine, then be favorable to the packing and the transportation of complete machine more. Compared with the mode that the loudspeaker component is directly arranged in the case and the sound hole is formed in the case, the loudspeaker component has the working position extending out of the case through the extending port, so that the volume loss can be reduced, and the sound transmission effect of the loudspeaker component is improved.

In addition, through making the pole setting movably install in quick-witted case to make the pole setting have the expansion position that protrudes quick-witted case upper surface and erect relatively quick-witted case upper surface, and the tiling is accomodate in quick-witted case surface or accomodates in quick-witted incasement accommodate position, when expanding the position, make early warning monitoring subassembly and warning subassembly be located the part of pole setting protrusion machine case upper surface, then when needs during operation, adjust the pole setting to expansion position, in order to guarantee early warning monitoring subassembly and warning subassembly's mounting height, ensure its operational reliability. And when the non-working, can adjust the pole setting to the accommodate position, adjust the speaker subassembly to the position of accomodating simultaneously, then can reduce the height of complete machine, guarantee the appearance roughness of complete machine to the packing and the transportation of the complete machine of being convenient for more.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 shows a schematic structural view of an embodiment of the road safety precaution device of the present invention, wherein the speaker assembly is in the working position and the uprights are in the deployed position;

FIG. 2 is a schematic front view of the road safety precaution device of FIG. 1;

fig. 3 is a schematic structural view of another state of the road safety precaution device in fig. 2, wherein the speaker is in a working position and the upright stanchion is in a containing position;

fig. 4 is a schematic structural view of another state of the road safety precaution device in fig. 3, wherein the speaker is in a storage position and the upright is in a storage position;

FIG. 5 is a schematic diagram of a partially exploded structure of another embodiment of the road safety precaution device of the present invention, wherein the speaker is in a storage position and the upright is in a storage position;

FIG. 6 is a left side view of the combined road safety precaution device of FIG. 5;

FIG. 7 is a cross-sectional view taken along line I-I of FIG. 6;

FIG. 8 is a schematic view of the road safety precaution device of FIG. 6 from another angle, with the display screen removed;

FIG. 9 is a schematic structural diagram of a road safety precaution device according to another embodiment of the invention;

fig. 10 is a schematic structural diagram of a flag-shaking assembly of the road safety warning device according to an embodiment of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a road safety early warning machine.

In an embodiment of the present invention, referring to fig. 1 to 5, the road safety precaution device includes a main frame 10, a speaker assembly 400, a lifting device 500, a vertical rod 600, a precaution monitoring assembly 610 and a warning assembly 620. The host 10 includes a case 100, a power module 200 and a controller 300 electrically connected to each other. The case 100 has an inner cavity 110, and the power module 200 and the controller 300 are installed in the inner cavity 110 such that the center of gravity of the host 10 is lower than the geometric center of the case 100, and the top wall of the case 100 is provided with an extension opening 120 communicating with the inner cavity 110. The speaker assembly 400 is electrically connected to the controller 300 and is disposed corresponding to the outlet 120. The lifting device 500 is mounted in the inner cavity 110, and the lifting device 500 is connected to the speaker assembly 400 and is used for driving the speaker assembly 400 to ascend or descend, so that the speaker assembly 400 can be switched between a storage position hidden in the cabinet 100 and an operating position extending out of the cabinet 100 through the extension opening 120. The upright 600 is movably mounted to the chassis 100, so that the upright 600 has an unfolded position and a receiving position, and in the unfolded position, the upright 600 protrudes from the upper surface of the chassis 100 and stands upright relative to the upper surface of the chassis 100; in the accommodating position, the upright 600 is flatly laid and received on the outer surface of the case 100 or received in the case 100; the early warning monitoring component 610 and the warning component 620 are both arranged on the vertical rod 600, and the early warning monitoring component 610 and the warning component 620 are both electrically connected with the controller 300; in the deployed position, the early warning monitoring assembly 610 and the warning assembly 620 are located on the portion of the upright 600 protruding above the top surface of the chassis 100.

In the present embodiment, the casing 100 is provided in a block shape, and the entire shape of the casing 100 is substantially rectangular parallelepiped, cubic, or the like. In other embodiments, the chassis 100 may also be cylindrical, etc. The case 100 may be a sheet metal part formed integrally, or may be enclosed by a plurality of side plates, a top plate 181 and a bottom plate. The shape of the protrusion 120 is conformal to the cross-sectional shape of the speaker assembly 400, and the size of the protrusion 120 is slightly larger than the maximum cross-sectional size of the speaker, so that the speaker assembly 400 can be lifted up and down from the protrusion 120. The power module 200 and the controller 300 are installed in the chassis 100, and the power module 200 and the controller 300 may be arranged in many positions, for example, the power module 200 and the controller 300 are arranged side by side in the horizontal or vertical direction, or the power module 200 and the controller 300 are arranged in a staggered manner in the horizontal and vertical directions, so that the center of gravity of the host 10 is lower than the geometric center of the appearance of the chassis 100. The power module 200 may be a battery. The power module 200 is electrically connected with the controller 300, the early warning monitoring component 610 and the warning component 620 to supply power to the power module, so that the normal operation of the electrical components of the whole machine is ensured. The controller 300 is used for controlling the early warning monitoring component 610 and the warning component 620 and sending out warning information in time.

The bottom wall of the chassis 100 is generally configured to be a plane, so that the bottom wall of the chassis 100 can be directly attached to the ground to realize stable placement of the chassis 100, and at this time, the bottom wall of the chassis 100 constitutes a bottom supporting surface. Of course, four universal wheels 720 with brake pads may be disposed on the bottom wall of the casing 100 to switch the whole machine between moving and stable placement. The four universal wheels 720 are connected in sequence to form an outer contour surface parallel to the bottom wall surface of the chassis 100, which constitutes a bottom supporting surface. Specifically, the area of the bottom support surface is S1, the cross-sectional area of the upright 600 is S2, and the ratio S2/S1 is less than or equal to 0.15. The ratio of the cross-sectional area S2 of the upright 600 to the bottom support surface S1 can be 0.15, 0.14, 0.13, 0.12, 0.1, 0.08, etc.

When the ratio of the cross-sectional area S2 of the vertical rod 600 to the bottom supporting surface S1 is greater than 0.15, the cross-sectional area of the vertical rod 600 is too large, so that the size and weight of the whole machine are too large, and the vertical rod 600 is not easy to transport and move, and the vertical rod 600 is relatively long, so that the center of gravity of the whole machine moves upwards, the bottom supporting surface is unstable in contact with the ground, and the vertical rod 600 is prone to toppling. And through making the ratio of the cross sectional area S2 of pole setting 600 and bottom holding surface S1 be less than or equal to 0.15, satisfying the warning height, being convenient for the vehicle in time to receive warning information when, make the volume and the weight of complete machine reduce by a wide margin, then be convenient for the transportation and the removal of complete machine more, in addition, when the longer that pole setting 600 set up, also can make the focus of complete machine incline down, and then the complete machine need not fixed knot structure alright place ground directly steadily.

The speaker assembly 400 is used to play warning voice, and compared with active observation of visual warning, the passively received speaker has a wide propagation range and a good warning effect. The structure of the speaker assembly 400 is various, and can be selected and designed according to actual requirements, and is not limited in detail. The lifting device 500 may be fixedly installed in the chassis 100 through a mounting bracket, a beam, and other structures. The lifting device 500 is installed in the case 100, so that the lifting device 500 can be prevented from being exposed, the overall consistency is ensured, and the complete machine can be ensured and transported conveniently. The lifting device 500 may be an automatic lifting device 500 or a manual lifting device 500. When the lifting device 500 is a manual lifting device 500, the lifting device 500 may specifically include a lifting rod and a locking adjustment structure, and the locking adjustment structure is manually adjusted to adjust the ascending and descending height of the lifting rod, so as to realize the switching of the speaker between the storage position and the working position. When the lifting device 500 is an automatic lifting device 500, the lifting device 500 may have a plurality of structures, for example, the screw lifting device 500, the turbine worm rod lifting device, and the like may be driven by a motor, or may be driven by a hydraulic pressure, and the like, and is not limited in detail herein. The lifting rod of the lifting device 500 is connected with the speaker assembly 400 to drive the speaker assembly 400 to switch between the storage position and the working position.

The upright 600 is movably mounted to the chassis 100, and the upright 600 can be movably mounted to the chassis 100 up and down by a lifting rod to switch the unfolding position and the accommodating position. Of course, the vertical rod 600 may be slidably mounted to the cabinet 100 up and down to switch the deployed position and the accommodated position. The vertical rod 600 may also be rotatably mounted to the cabinet 100 to switch the deployed position and the accommodated position upside down. When the vertical rod 600 is located at the accommodating position, the vertical rod 600 can be accommodated inside the case 100, that is, completely hidden inside the case 100, at this time, the early warning monitoring component 610 and the warning component 620 are also accommodated inside the case 100, the vertical rod 600 can also be tiled and accommodated on the outer surface of the case 100, at this time, a groove can be formed in the case 100 to accommodate the vertical rod 600, and the vertical rod 600 can also be directly attached to the outer surface of the case 100. The switching between the deployed position and the accommodated position of the vertical rod 600 can be achieved manually or automatically by a driving device, and is not limited in detail. It can be understood that the vertical rod 600 is tiled and stored on the outer wall surface of the case 100 or in the case 100, so that the early warning monitoring component 910 and the warning component 920 mounted on the vertical rod 900 are also stored on the outer wall surface of the case 100 or in the case, on one hand, the height of the whole machine is effectively reduced, and on the other hand, the early warning monitoring component 910 and the warning component 920 can be protected.

When the vertical rod 600 is in the unfolding position, the early warning monitoring component 610 and the warning component 620 are both installed on the front surface 140 (the surface facing the vehicle) of the vertical rod 600 and are located on the part of the vertical rod 600 protruding out of the upper surface of the chassis 100, so that the early warning monitoring component 610 and the warning component 620 can face the vehicle, and simultaneously collect vehicle information and warn the vehicle in time. The early warning monitoring component 610 is used to collect and monitor information of the vehicle. The alert component 620 is configured to issue alert information to the vehicle. Through making early warning monitoring subassembly 610 and warning subassembly 620 set up in the portion that pole setting 600 protrudes quick-witted case 100 upper surface, then early warning monitoring subassembly 610 and warning subassembly 620 set up higher to be convenient for the vehicle direct observation more.

Optionally, the early warning monitoring component 610 includes at least one of a camera, a radar, and an infrared sensor, and the warning component 620 includes at least one of a warning light, a speaker, and a display screen 830. The camera device can take pictures, record videos and the like of the vehicle, and then the camera device can record license plates, vehicle type information and the like of the vehicle, and of course, the camera device can also measure the running speed of the vehicle. The radar may be specifically a millimeter wave radar to accurately measure the distance of the vehicle and the range in which the vehicle travels. The infrared sensor can measure the vehicle distance. Through setting up early warning monitoring subassembly 610, can gather the vehicle distance and other information of vehicle, the information transfer that early warning monitoring subassembly 610 will gather gives control, and then controller 300 makes corresponding judgement. When the early warning is needed, the controller 300 controls the warning component 620 to send out a warning to remind the vehicle to avoid or slow down in time. The warning light can be red blue flashing light specifically, and the driver of being convenient for in time observes. The display screen 830 may display text directly to remind the vehicle to avoid or slow down. The loudspeaker is used for playing the warning voice, and compared with the active observation of visual warning, the passively received loudspeaker is wide in propagation range and good in warning effect. Specifically, early warning monitoring subassembly 610 includes camera device and radar, and warning subassembly 620 includes the warning light, and when pole setting 600 was in the expansion position, camera device was located the free end of pole setting 600, and the radar is located camera device's below, and the warning light is located the below of radar. So, can guarantee the mounting height of camera device and radar to can further increase the information acquisition scope of early warning monitoring subassembly 610, improve the monitoring range of complete machine, promote product quality.

According to the road safety early warning machine, a structure that the case 100 is provided with the vertical rod 600 is adopted, and the power module 200 and the controller 300 are arranged in the case 100, so that on one hand, the installation space of the power module 200 is larger, the larger power module 200 can be arranged, the battery endurance of the road safety early warning machine is longer, on the other hand, the gravity center of the whole host machine 10 is deviated downwards, the gravity center of the whole host machine is deviated, the whole machine can be stably fixed by being directly placed on the ground, an additional fixing structure is not needed, the fixing structure of the road safety early warning machine and the ground is simplified or even eliminated, and the moving convenience of the road safety early warning machine is improved.

Meanwhile, the loudspeaker assembly 400 is hidden in the storage position of the case 100, so that the loudspeaker assembly 400 can be located in the storage position in a non-working state, on one hand, the loudspeaker assembly 400 can be prevented from being exposed and exposed to wind, rain and accidental collision, the service life of the loudspeaker assembly 400 is prolonged, on the other hand, the loudspeaker assembly 400 cannot protrude out of the outer wall surface of the whole machine, the height of the whole machine can be reduced, the appearance flatness of the whole machine is guaranteed, and the packaging and transportation of the whole machine are facilitated. Compared with the method of directly arranging the speaker assembly 400 in the chassis 100 and arranging the sound hole on the chassis 100, the method of arranging the speaker assembly 400 in the chassis 100 can reduce the volume loss and improve the sound transmission effect of the speaker assembly 400 by enabling the speaker assembly 400 to have the working position extending out of the chassis 100 through the extension opening 120.

In addition, the vertical rod 600 is movably mounted on the chassis 100, so that the vertical rod 600 has an extended position protruding from the upper surface of the chassis 100 and standing upright relative to the upper surface of the chassis 100, and a receiving position tiled on the outer surface of the chassis 100 or received in the chassis 100, when in the extended position, the early warning monitoring component 610 and the warning component 620 are located at a part of the vertical rod 600 protruding from the upper surface of the chassis 100, and when the work is needed, the vertical rod 600 is adjusted to the extended position, so as to ensure the mounting heights of the early warning monitoring component 610 and the warning component 620, and ensure the working reliability thereof. When the loudspeaker is not in work, the upright rod 600 can be adjusted to the containing position, and the loudspeaker assembly 400 is adjusted to the containing position, so that the height of the whole machine can be reduced, the appearance flatness of the whole machine is guaranteed, and the packaging and the transportation of the whole machine are facilitated.

In an embodiment, referring to fig. 6 to 9, the upright 600 is rotatably mounted to the chassis 100 around a horizontal axis, a peripheral wall portion of the chassis 100 is recessed inward to form the receiving groove 130, and when the upright 600 is in the receiving position, the upright 600 is fittingly mounted in the receiving groove 130.

In this embodiment, it can be understood that when the vertical rod 600 is installed in the receiving groove 130, the early warning monitoring component 610 and the warning component 620 installed on the vertical rod 600 are also installed in the receiving groove 130. The upright 600 is pivotally mounted to the housing 100. The vertical rod 600 may be connected to the upper surface of the chassis 100, or may be connected to the side wall surface of the chassis 100, and it is only necessary that the vertical rod 600 is rotatable around the horizontal axis, which is not limited in this respect. It will be appreciated that the direction of extension of the transverse axis coincides with the horizontal direction. That is, the extension direction of the transverse axis may be parallel to the horizontal direction, or may have a deviation of not more than 5 degrees. So that the vertical rod 600 is rotatably mounted to the cabinet 100 around the transverse axis, the position where the vertical rod 600 is hinged to the cabinet 100 can be many. Alternatively, one end of the vertical rod 600 is rotatably mounted to the case 100, and the other end of the vertical rod 600 forms a free end, so that the free end of the vertical rod 600 can be turned up and down, and the free end of the vertical rod 600 is in an unfolded position when turned up and in a folded position when turned down. Of course, in other embodiments, the middle or other position of the vertical rod 600 can be rotatably mounted to the chassis 100. Get pole setting 600 and install in quick-witted case 100 around the cross axle with rotating, adopt the switching of folding mode realization pole setting 600's expansion position and storage position, and make pole setting 600 tile when storage position and accomodate in the surface of quick-witted case 100, compare in pole setting 600 mode of stretching out and drawing back from top to bottom, the storage of pole setting 600 of being convenient for more, and can not interfere the operation of other parts in quick-witted case 100.

Specifically, referring to fig. 5 to 7, the height of the upright 600 protruding from the upper surface of the chassis 100 in the deployed position is not greater than the height of the chassis 100. The case 100 is higher, the upright rod 600 is relatively shorter, and the gravity center of the case 100 is lower than the geometric center of the appearance of the case 100, so that the gravity center of the whole machine is also lower than the geometric center of the appearance of the whole machine or coincides with the geometric center of the appearance of the whole machine, therefore, the bottom of the case 100 can be stably placed on the ground without additionally arranging a fixing structure, the fixing-free installation of the whole machine is realized, the installation steps are omitted, and the transportation and the movement of the whole machine are more convenient. Through at the inside holding tank 130 that caves in of the periphery wall part of quick-witted case 100 for when pole setting 600 is in the folding position, the holding tank 130 on quick-witted case 100 periphery wall is held in the adaptation, then pole setting 600 can not bulge the wall of quick-witted case 100 when the folding position, makes the structure of complete machine more compact, the volume is littleer, thereby the installation and the transportation of complete machine of being convenient for more. And make the periphery wall of quick-witted case 100 inwards cave in and form holding tank 130, compare in the upper surface of quick-witted case 100 inwards cave in and form holding tank 130, can make full use of quick-witted case 100's high space for pole setting 600 can be relative longer that sets up, and then satisfies early warning monitoring subassembly 610 and warning subassembly 620's mounting height. In other embodiments, a fence may be disposed on the sidewall of the chassis 100 to form the receiving slot 130 for receiving the vertical rod 600.

In one embodiment, the vertical rod 600 has a hinged end hinged to a position adjacent to the upper surface of the chassis 100 inside the accommodating groove 130; the receiving groove 130 extends along the vertical direction of the chassis 100, and the cross-sectional dimension of the receiving groove 130 is not smaller than the cross-sectional dimension of the vertical rod 600, so that at the receiving position, the end surface of the hinge end is lower than or flush with the upper surface of the chassis 100, and the peripheral surface of the vertical rod 600 is lower than or flush with the peripheral surface of the chassis 100.

In the present embodiment, the receiving groove 130 extends along the vertical direction of the chassis 100, and the vertical rod 600 also extends along the vertical direction of the chassis 100. The hinged end of the vertical rod 600 is hinged in the accommodating groove 130, and the vertical rod 600 is integrally located in the accommodating groove 130 when being accommodated. When the end face of the hinged end of the vertical rod 600 is lower than or flush with the upper surface of the casing 100 in the accommodating position, the vertical rod 600 does not protrude from the upper surface of the casing 100 in the accommodating position. And make the cross sectional dimension of holding tank 130 be greater than the cross sectional dimension of pole setting 600, then when pole setting 600 is in the accommodation position, pole setting 600 inlays completely in holding tank 130 for the outer peripheral face of pole setting 600 surface can not bulge quick-witted case 100, then can effectively avoid pole setting 600 accident to collide with, and the packing and the transportation of the complete machine of being convenient for more.

Further, the chassis 100 includes a top plate 181, a left side plate 182, a back plate 183, and a right side plate 184 opposite to the left side plate 182, where the top plate 181 is located at the top of the chassis 100, the right side plate 184 and the back plate 183 are formed by extending downward from a side of the top plate 181, the connection between the right side plate 184 and the back plate 183 forms the receiving slot 130, and the receiving slot 130 is disposed through the top plate 181, and the hinge end is rotatably connected to the receiving slot 130 at a position adjacent to the top plate 181;

the early warning monitoring assembly comprises a camera device, the lower part of the back plate 183 of the case 100 is outwards protruded to form a rear boss 152, and when the vertical rod 600 is located at the accommodating position, the camera device transversely corresponds to the rear boss 152, so that the rear side surface of the rear boss 152 is higher than or flush with the outer surface of the camera device.

In the present embodiment, the outer wall surface of the top plate 181 forms the upper surface of the enclosure 100, the outer wall surface of the back plate 183 forms the rear surface of the enclosure 100, and the outer wall surfaces of the left side plate 182 and the right side plate 184 form the side surfaces of the enclosure 100. So that the case 100 is enclosed by the top plate 181, the left side plate 182, the back plate 183, the right side plate 184, etc., and the case 100 is integrally rectangular, which is more convenient for packaging and transporting the whole case. The joint of the left side plate 182 and the back plate 183 forms the accommodating groove 130, the space at the corner of the left side plate 182 and the back plate 183 can be fully utilized, and compared with the accommodating groove 130 arranged at other positions, the interference caused by the installation of the power module 200, the controller 300 and the like in the case 100 can be avoided, so that the structural layout on the case 100 is more reasonable and compact, and the packaging and transportation of the whole machine are facilitated. In addition, the receiving groove 130 is formed on the back of the chassis 100, and the receiving groove 130 does not occupy the space of the front 140 of the chassis 100, so that the front 140 of the chassis 100 can be entirely used for installing the display screen 830, thereby enlarging the installation area of the display screen 830. And the upright rod 600 is hidden at the back of the case 100, which is more beneficial to ensuring the appearance consistency of the whole machine.

The lower portion of the back of the casing 100 is protruded to form a rear protrusion 152, and more particularly, the lower portion of the back of the casing 100 is protruded to the outside as a whole. That is, the rear bosses 152 extend in the lateral direction (left-right direction) of the cabinet 100. The camera device is specifically mounted at the free end of the upright 600. The camera 211 may employ a road detection camera. It can be understood that when the vertical bar 600 is mounted in the receiving groove 130, the camera device is also mounted in the receiving groove 130. And the camera usually protrudes from two end faces of the vertical rod 600. When the upright rod 600 is in the accommodating position, the camera device is laterally arranged corresponding to the rear boss 152, that is, the camera device and the rear boss are horizontally arranged side by side. So, make the trailing flank of back boss 152 be higher than or the parallel and level in the surface of early warning monitoring subassembly 610, then back boss 152 can protect pole setting 200 and camera device, effectively avoids camera device to take place the accident and collides with. And through setting up back boss 152, rather than deepening the degree of depth of holding tank 130 and realizing the mode of avoiding camera device to collide with, can effectively reduce the occupation space of holding tank 130 in inner chamber 110, and back boss 152 can also enlarge the space of inner chamber 110 simultaneously, and then makes inner chamber 110 have other structures of sufficient space installation.

In one embodiment, as shown in fig. 5 to 9, the width of the front surface 140 of the chassis 100 is greater than the width of the side surface, the protrusion opening 120 is located at the middle of the upper surface of the chassis 100, the receiving groove 130 is formed at the back surface of the chassis 100, the inner cavity 110 of the chassis 100 is further provided with a transverse supporting plate 710 extending along the width direction of the front surface of the chassis 100, the transverse supporting plate 710 is located at the front side of the receiving groove 130, and the lifting device 500 is mounted on the transverse supporting plate 710.

In this embodiment, it should be noted that, when the road safety precaution device is in use, the front surface 140 is the surface facing the vehicle. The height directions of the front 140 and the side of the chassis 100 are the same as the height direction of the whole machine, and the width directions of the front 140 and the side of the chassis 100 are the directions (horizontal directions) extending in the transverse direction of the whole machine. Such that the width of the front 140 of the chassis 100 is greater than the width of the side, the chassis 100 is generally rectangular in shape. The largest surface of the case 100 is used as the front surface 140 of the case 100 and can be used for installing the display screen 830, so that the area of the display screen 830 can be effectively enlarged, and the display effect of the display screen 830 is improved. So that the outlet 120 is located at the middle of the upper surface of the cabinet 100, the speaker assembly 400 and the lifting device 500 are correspondingly disposed at the middle of the cross-section of the cabinet 100. It will be appreciated that the overall weight of the speaker and lifting device 500 is relatively large. By positioning the speaker and the lifting device 500 in the middle of the cross section of the chassis 100 and positioning the upright rod 600 and the controller 300 on the left and right sides of the speaker, the center of gravity of the whole chassis can be prevented from shifting in the left, right, front and rear directions, and the chassis 100 can be prevented from toppling over. Specifically, the upright 600 and the controller 300 are located on both sides of the speaker assembly 400 in the width direction of the front face 140 of the cabinet 100. The upright 600, the speaker assembly 400 and the controller 300 are disposed side by side in the width direction of the front face 140 of the cabinet 100, that is, the upright 600 and the controller 300 are located at the left and right sides of the speaker. The gravity of the whole machine in the horizontal direction can be further balanced, and the stability of the whole machine free from fixed placement is further ensured.

It is understood that the depth of the receiving groove 130 is smaller than the thickness of the chassis 100, that is, the receiving groove 130 is spaced apart from the front surface 140 of the chassis 100. The lateral support plate 710 may be fixedly mounted in the inner cavity 110 of the chassis 100 by welding, screwing, clipping, etc. The lifting device 500 may be fixedly mounted on the lateral support plate 710 by welding, screwing, bonding, or the like. The transverse supporting plate 710 is connected to the upper portion of the inner cavity 110 of the chassis 100, so that the lifting device 500 is also located at the upper portion of the inner cavity 110 of the chassis 100, thereby reducing the lifting height of the lifting device 500 and further reducing the occupied space of the lifting device 500. And the lateral support plate 710 is located at the front side of the receiving groove 130, and two ends of the lateral support plate 710 respectively extend to two side surfaces of the case 100 to be connected, so that the lateral support plate 710 can reinforce the inside of the case 100 and balance the center of gravity of the case 100.

Based on the above embodiment, as shown in fig. 1, 5, 7 and 9, the chassis 100 includes a box 150 and a door 160, the back surface of the box 150 is provided with an operation window 151 corresponding to the lifting device 500, the operation window 151 is disposed to avoid the accommodating groove 130, the door 160 is detachably or movably mounted on the box 150 to open and close the operation window 151, an inner wall surface of the door 160 is provided with a mounting cavity 161 with an upward opening, and the mounting cavity 161 is located at the front side of the transverse supporting plate 710.

In this embodiment, the door 160 may detachably cover the operation window 151, or may cover the operation window 151 in a rotatable or slidable manner, which is not limited herein. The door 160 may be rectangular. The size of the operation window 151 may be selected and designed according to actual requirements, and is not particularly limited herein. The operation window 151 is disposed to avoid the accommodation groove 130, i.e., not to interfere with the accommodation of the vertical rod 600. By opening the operation window 151 corresponding to the lifting device 500 on the back of the box 150, the maintenance personnel can open the box door 160 to repair the lifting device 500 or other internal structures of the inner cavity 110 of the chassis 100, thereby facilitating the repair and maintenance of the whole equipment.

Specifically, the mounting box may be fixedly coupled to an inner wall surface of the door 160, such that the mounting cavity 161 is formed in the inner cavity 110 of the mounting box. The mounting box and the door 160 may be integrally formed or may be separately formed. The size of the mounting cavity 161 can be designed according to actual requirements, and is not particularly limited herein. By providing the installation cavity 161 on the inner wall surface of the door 160, the installation cavity 161 can be used for placing and arranging cables, tools or other sundries inside the case 100, so as to ensure the tidiness inside the case 100. So that the installation cavity 161 is located at the front side of the transverse supporting plate 710, when the door 160 closes the operation window 151, the transverse supporting plate 710 does not interfere with the installation cavity 161, thereby ensuring the operational reliability of the product.

In combination with the above-mentioned embodiment in which the upper portion of the inner cavity 110 of the chassis 100 is further provided with the transverse support plate 710 extending along the width direction of the front surface 140 of the chassis 100, as shown in fig. 5 to 9, the power module 200 is disposed corresponding to the rear boss 152 and is located below the transverse support plate 710, the left side wall and the right side wall of the chassis 100 are disposed below the transverse support plate 710 and are provided with the heat dissipation grids 171, and the bottom wall of the chassis 100 is provided with the plurality of heat dissipation holes 172.

In this embodiment, the power module 200 is disposed in the chassis 100 at a position corresponding to the rear boss 152, so that on one hand, the space for installing the power module 200 at the lower part of the chassis 100 is larger, and a larger power module 200 can be accommodated, thereby improving the endurance time of the whole machine; on the other hand, the rear boss 152 is disposed at the lower portion of the back surface of the case 100, so that the area of the bottom supporting surface corresponding to the case 100 is larger, the case 100 can be placed on the ground more stably, and the complete machine can be placed stably without being fixed.

The power module 200 is arranged below the transverse supporting plate 710, so that the power module 200, the lifting device 500 and the loudspeaker are sequentially arranged from bottom to top, the structural arrangement inside the case 100 is more reasonable, the gravity center of the whole case 100 is approximately positioned at the center of the cross section of the case 100 and is lower than the geometric center of the case 100, and the fixation-free stable placement of the whole machine can be realized. The left side wall and the right side wall of the case 100 are provided with the heat dissipation grids 171 at positions below the transverse supporting plate 710, and the bottom wall of the case 100 is provided with the plurality of heat dissipation holes 172, so that the power module 200 is arranged in a convection space formed by the heat dissipation grids 171 and the heat dissipation holes 172, and the heat dissipation grids 171 and the heat dissipation holes 172 are arranged close to the power module 200, so that the heat dissipation effect of the power module 200 can be effectively improved. Specifically, a fan module may be disposed at a position corresponding to the heat dissipation grid 171 on the left side wall and/or the right side wall of the chassis 100 to accelerate the air flow and improve the heat dissipation effect inside the chassis 100.

In combination with the above-mentioned embodiment in which the width of the front face 140 of the chassis 100 is greater than the width of the side face, further, referring to fig. 1 to 10, the top wall of the chassis 100 is installed with the antenna assembly 810 and the flag-shaking assembly 820, the antenna assembly 810 and the flag-shaking assembly 820 are located on the side of the speaker assembly 400 adjacent to the controller 300, the antenna assembly 810 and the flag-shaking assembly 820 are arranged side by side in the width direction of the side face of the chassis 100, the antenna assembly 810 extends along the width direction of the side face of the chassis 100, and the flag-shaking assembly 820 swings along the width direction of the front face 140 of the chassis 100.

In this embodiment, the antenna assembly 810 is used for transceiving a wireless signal, so as to implement communication connection between the security alarm and an external device (e.g., an intercom). A plurality of different antennas may be mounted within the mounting housing of antenna assembly 810 to provide multiple communication connections. Since the controller 300 is lighter in weight than the vertical pole, the antenna assembly 810 and the flag-shaking assembly 820 are disposed on the side of the speaker assembly 400 adjacent to the controller 300, and the left and right sides of the enclosure 100 can be more balanced in gravity. The antenna assembly 810 is disposed in a substantially strip shape, so that the antenna assembly 810 extends along the width direction of the side surface of the chassis 100, that is, the length direction of the antenna assembly 810 is consistent with the width direction (front-back direction) of the side surface of the chassis 100, and thus the space of the antenna assembly 810 in the width direction of the top wall surface of the chassis 100 can be fully utilized, the occupied space of the antenna assembly 810 in the length direction of the top wall surface of the chassis 100 is reduced, and the structure of the whole device is more compact.

The flag-shaking assembly 820 may specifically include a flag-inserting pole, a transmission structure and a driving member, which are connected in a transmission manner, wherein the driving member drives the transmission structure to drive the flag-inserting pole to swing left and right, so as to drive a flag inserted into the flag-inserting pole to swing, thereby playing a warning role. The driving member may be a driving motor, and the transmission structure may be a crank and a rocker, and the like, which is not limited herein. The swinging of the flag-shaking assembly 820 along the width direction of the front 140 of the chassis 100 makes the swinging of the flag more noticeable, which is more beneficial for the driver to observe the swinging of the flag from the front 140 of the road safety precaution device. Further, the height of the flag assembly 820 is lower than the height of the antenna assembly 810. Therefore, the antenna assembly 810 can partially shield the flag shaking assembly 820, and further can avoid the damage of the flag shaking assembly 820 caused by accidental collision.

In combination with the above-mentioned embodiment in which the peripheral wall portion of the case 100 is recessed inward to form the receiving groove 130, further, as shown in fig. 2 to 4, the front face 140 of the case 100 is mounted with the display screen 830, the display screen 830 is electrically connected to the controller 300, and the ratio of the area of the display screen 830 to the area of the front face 140 of the case 100 is greater than or equal to 0.7.

In the present embodiment, specifically, the back surface of the chassis 100 is recessed inward to form the receiving groove 130. To avoid the accommodating groove 130 occupying the space of the front face 140 of the chassis 100 for installing the display screen 830. The display screen 830 can be provided as a whole or formed by splicing a plurality of pieces. The front face 140 of the chassis 100 may be recessed to form a mounting slot for the display screen 830. Thus, the display screen 830 can be prevented from protruding, and further, accidental collision of the display screen 830 can be avoided. In use, the front face 140 of the chassis 100 faces a moving vehicle. At this time, the warning assembly 620 includes a warning lamp. So, when controller 300 received early warning monitoring subassembly 610's information, control display screen 830 shows characters or pattern, and control the warning light and give out light, then warning light and display screen 830 all can send warning information towards the vehicle, and then convenience of customers in time receives warning information.

The ratio of the area of the display screen 830 to the area of the front face 140 of the housing 100 may be 0.7, 0.75, 0.8, 0.86, 0.9, 0.95, etc. When the ratio of the area of the display screen 830 to the area of the front face 140 of the chassis 100 is smaller than 0.7, if the ratio of the display screen 830 to the area of the front face 140 of the chassis 100 is too small, the display screen 830 is too small to be convenient for displaying characters and observing by a driver. And through making the area of display screen 830 and the ratio of the front 140 area of quick-witted case 100 be greater than or equal to 0.7 for the vast majority of the front 140 of machine case 100 all is used for installing display screen 830, then can make display screen 830 big enough, and then can enlarge the display characters, easily realizes that the display graph of display screen 830 is diversified, then is convenient for more that the driver observes.

Further, referring to fig. 2 to 4 again, the front surface 140 of the chassis 100 under the display screen 830 protrudes outward to form a front boss, and the front boss extends in a bar shape in the transverse direction. Make the position that the front 140 of quick-witted case 100 is located display screen 830 below outwards bulge in order to form preceding boss, then the setting of preceding boss can increase the bottom bearing surface area of quick-witted case 100 on the one hand for quick-witted case 100 can place subaerial more steadily, and on the other hand can play the guard action to display screen 830, prevents that display screen 830 from being collided with or kicked bad by accident. And the front boss is positioned below the display screen 830, and the position of the lower part of the front face 140 of the case 100, which is not easy to be seen by a user, is fully utilized, so that the display screen 830 is positioned on the upper part of the front face 140 of the case 100, and is easier to be observed by a vehicle driver.

In an embodiment, the road safety precaution machine further includes a control board 840 connected to the controller 300, the control board 840 is mounted on a side surface of the chassis 100, a plurality of universal wheels 720 are mounted on a bottom wall of the chassis 100, at least two of the universal wheels 720 have a locking structure 721 for locking wheel bodies of the universal wheels 720, and when the locking structure 721 is in an unlocked state, the universal wheels 720 can move relative to the chassis 100; handles 191 are arranged at the positions, adjacent to the top plate 181, of the back plate 183 of the case 100, and handles 192 are arranged on the left side face and the right side face of the case 100.

In this embodiment, the control board 840 has a plurality of keys, so that the user can operate different keys to control different structures of the road safety warning device, for example, to turn on or off the road safety warning device, lift the speaker assembly 400, turn on or off the warning monitoring assembly 610 and the warning assembly 620. Specifically, the control panel 840 is mounted on the outer wall surface of the right side plate 184, and the control panel 840 and the accommodating groove 130 are respectively disposed on the left side plate 182 and the right side plate 184, so that the mounting space of the control panel 840 is larger, and the structural layout of the whole device is more reasonable and compact.

The universal wheels 720 are typically provided in four numbers such that one universal wheel 720 is provided at each corner of the bottom wall of the case 150. Of course, in some embodiments, the universal wheels 720 may be provided in three, five, six, etc. The locking structure 721 specifically includes a brake pad, the brake pad is movably mounted on the wheel carrier of the universal wheel 720, when the universal wheel 720 needs to be locked, the locking structure 721 is located at the locking position, the brake pad contacts with the wheel body of the universal wheel 720, the universal wheel 720 is prevented from continuing to rotate, and the case 100 is further fixed at a specific position. When the case 100 needs to be moved, the locking structure 721 is in the unlocking position, and the brake pad is separated from the wheel body of the universal wheel 720, so that the universal wheel 720 can roll, and the entire case 100 can be driven to move. Through set up universal wheel 720 in the bottom of quick-witted case 100, and make at least part universal wheel 720 have locking structure 721, then when needs remove the complete machine, only need make universal wheel 720's locking structure 721 be in the unblock position, alright remove the complete machine through universal wheel 720, compare in direct transport quick-witted case 100, the removal of the complete machine of being convenient for more is arranged in universal wheel 720, and quick-witted case 100 adds the structure of pole 600, make the focus of complete machine off-centre, then the complete machine is difficult for taking place to empty at the removal in-process. When the whole machine needs to be fixed at a specific position, the whole machine can be stably installed at the specific position only by switching the locking structure 721 of the universal wheel 720 to the locking position, so that the whole machine can be conveniently switched between moving and stable placement.

By providing the handle 191 at a position adjacent to the top surface of the rear surface of the case 150, the handle 191 does not occupy the installation space of the display screen 830 on the front surface 140 of the case 150, and the handle 191 is positioned at approximately the waist of an adult, so that the grip of the worker is facilitated, and the worker can grasp the handle 191 to move the whole machine conveniently. The handle 191 may be positioned at a middle portion of the rear surface of the case 150 in the width direction. The handle 192 may be a stationary handle 192 or a reversible handle 192. By arranging the handles 192 on the left side and the side of the box 150, workers can carry the whole machine from the side of the whole machine more conveniently. Then, by installing a plurality of universal wheels 720 on the bottom wall of the case 100, and making at least part of the universal wheels 720 have locking structures 721 for locking the wheels of the universal wheels 720, and providing handles 191 at the positions of the back plate 183 of the case 100 adjacent to the top plate 181, the left side plate 182 and the right side plate 184 of the case 100 are provided with handles 192, it is more convenient for workers to move and carry the whole machine, and further the whole machine can be switched between moving and stable placement more conveniently and reliably.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a road safety precaution machine which characterized in that includes:

the host comprises a case, a power module and a controller which are electrically connected with each other, wherein the case is provided with an inner cavity, the power module and the controller are arranged in the inner cavity so that the gravity center of the host is lower than the geometric center of the case, and the top wall of the case is provided with an extension opening communicated with the inner cavity;

the loudspeaker assembly is electrically connected with the controller and is arranged corresponding to the extension opening;

the lifting device is arranged in the inner cavity, is connected with the loudspeaker assembly and is used for driving the loudspeaker assembly to ascend or descend so as to enable the loudspeaker assembly to be switched between a storage position hidden in the case and a working position extending out of the case through the extension port;

the upright post is movably arranged on the case so as to enable the upright post to have an unfolding position and a containing position, and in the unfolding position, the upright post protrudes out of the upper surface of the case and is vertical relative to the upper surface of the case; in the accommodating position, the upright rods are flatly accommodated on the outer surface of the case or accommodated in the case;

the early warning monitoring assembly and the warning assembly are both arranged on the upright rod and are electrically connected with the controller; in the unfolding position, the early warning monitoring assembly and the warning assembly are both positioned on the part of the upright stanchion protruding out of the upper surface of the case.

2. The road safety precaution device as claimed in claim 1, wherein said upright is rotatably mounted to said housing about a transverse axis, a peripheral wall portion of said housing being recessed to form a receiving slot into which said upright fits when in the receiving position.

3. The road safety precaution device of claim 2, wherein the upright has a hinged end hinged to a position adjacent to the upper surface of the chassis within the receiving slot; the holding tank is followed the upper and lower direction extension of quick-witted case, just the cross sectional dimension of holding tank is not less than the cross sectional dimension of pole setting, with the holding position makes the terminal surface of hinged end is less than or the parallel and level in the upper surface of quick-witted case, the outer peripheral face of pole setting is less than or the parallel and level in the outer peripheral face of quick-witted case.

4. The road safety early warning machine according to claim 3, wherein the case comprises a top plate, a right side plate and a back plate which are adjacent to each other in pairs, the top plate is positioned at the top of the case, the right side plate and the back plate are formed by extending downwards from the side edge of the top plate, the joint of the right side plate and the back plate forms the accommodating groove, and the accommodating groove penetrates through the top plate;

early warning monitoring subassembly includes camera device, the backplate lower part of machine case is outwards protruding to be established in order to form the back boss the pole setting is in during the holding position, camera device is horizontal to correspond back boss sets up, so that the trailing flank of back boss is higher than or the parallel and level in camera device's surface.

5. The road safety pre-warning machine according to claim 4, wherein the front width of the case is greater than the side width, the extension opening is located in the middle of the top plate, a transverse support plate extending in the front width direction of the case is further arranged in the inner cavity of the case, the transverse support plate is located on the front side of the accommodating groove, and the lifting device is mounted on the transverse support plate.

6. The road safety early warning machine according to claim 5, wherein the case comprises a case body and a case door, an operation window is arranged on the back surface of the case body corresponding to the lifting device, the operation window is arranged to avoid the accommodating groove, the case door is detachably or movably arranged on the case body to open and close the operation window, an installation cavity with an upward opening is arranged on the inner wall surface of the case door, and the installation cavity is positioned on the front side of the transverse supporting plate.

7. The road safety pre-warning device according to claim 5, wherein the power module is disposed corresponding to the rear boss and below the lateral support plate, the left and right sidewalls of the chassis are disposed below the lateral support plate and provided with heat dissipation grilles, and the bottom wall of the chassis is provided with a plurality of heat dissipation holes.

8. The road safety precaution machine of claim 5, wherein the top board is installed with an antenna assembly and a flag-shaking assembly, the antenna assembly and the flag-shaking assembly are located on one side of the speaker assembly away from the vertical rod, the antenna assembly and the flag-shaking assembly are arranged side by side in the width direction of the side face of the case, the antenna assembly extends along the width direction of the side face of the case, and the flag-shaking assembly swings along the width direction of the front face of the case.

9. The road safety precaution machine of any one of claims 1 to 8, wherein a display screen is installed on the front face of the case, the display screen is electrically connected with the controller, and the ratio of the area of the display screen to the area of the front face of the case is greater than or equal to 0.7.

10. The road safety pre-warning machine according to claim 9, further comprising a control board connected to the controller, wherein the control board is mounted on a side surface of the chassis, a plurality of universal wheels are mounted on a bottom wall of the chassis, at least two of the universal wheels have a locking structure for locking wheel bodies of the universal wheels, and when the locking structure is in an unlocked state, the universal wheels are movable relative to the chassis; handles are arranged at the positions, adjacent to the top plate, of the back plate of the case, and handles are arranged on the left side face and the right side face of the case.