Method for installing electronic device on road edge stone and electronic device

By drilling arc-shaped mounting grooves into the curbstone and utilizing the arc-shaped mating surface design, the installation process of electronic devices on the curbstone is simplified, solving the problem of numerous and costly tools in existing methods, and achieving efficient and low-cost installation.

CN120941572APending Publication Date: 2025-11-14刘哲安
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Patent Information

Application Number
CN202510995616.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-08-05
Filing Date
2025-07-18
Publication Date
2025-11-14

AI Technical Summary

Technical Problem

Existing methods for installing electronic devices on curbs require the use of multiple tools, involve complex procedures, and are costly in terms of time, resources, and manpower.

Method used

The design features an arc-shaped installation groove. A hollow drill bit is used to drill an arc-shaped groove in the curbstone. The groove fits the surface of the curbstone with the arc surface. During installation, only the gap concrete needs to be filled, simplifying the tool requirements and procedures.

Benefits of technology

It reduces cutting processes, saves material and labor costs, improves installation efficiency, and has an aesthetically pleasing appearance after installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

A method for installing an electronic device on a road edge stone and the electronic device, the electronic device is suitable for being installed in an installation groove, the installation groove is defined by a cambered surface and a groove bottom surface, the cambered surface is provided with two end edge parts and a concave surface part, and the electronic device comprises a box body unit, an electronic unit and an upper cover. The box body unit defines an accommodating space which accommodates the electronic unit and is covered by the upper cover. The case unit has an outer peripheral surface. The outer peripheral surface has a coupling surface portion and a front side surface portion connected to the coupling surface portion. When the electronic device is installed in the installation groove, the two opposite ends, in the left-right direction, of the combination face portion of the box body unit are adjacent to the end edge portions respectively, and at least part of the combination face portion of the box body unit is adjacent to the concave face portion of the arc face. And then, concrete only needs to be filled in a gap between the electronic device and the cambered surface, so that the installation can be completed, the cutting process is reduced, and the installation efficiency is improved.
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Description

Technical Field

[0001] The present invention relates to a method for installing an electronic device on a curbstone, and more particularly to a method for installing an electronic device on a curbstone and the electronic device thereof. Background Technology

[0002] A conventional method for installing an electronic device on a curbstone includes a milling step, a cutting step, a removal step, and an installation step. In the milling step, a hollow drill bit is used to drill a hole against the edge of a curbstone to form a circular hole. In the cutting step, a grinding wheel is used to cut the curbstone near the circular hole to form a rectangular groove surrounding the hole. In the removal step, a hammer drill is used to remove curbstone from the rectangular groove to form a recess generally shaped like a cuboid. In the installation step, an electronic device generally shaped like a box is installed into the recess.

[0003] However, in the aforementioned method, in order to chisel out a groove that is roughly rectangular, a drilling machine with a hollow drill bit, a grinding wheel, and a hammer drill are required to work together. This requires a lot of tools, the process is more complicated, the installation process is more time-consuming, and the material and labor costs are higher. Summary of the Invention

[0004] The object of the present invention is to provide a method for installing an electronic device on a curbstone and the electronic device thereof, which can improve at least one of the disadvantages of the aforementioned background art.

[0005] The electronic device of the present invention is suitable for installation in a mounting slot, the mounting slot being defined by an arcuate surface extending in a vertical direction and a bottom surface of the slot connected to the bottom of the arcuate surface in the vertical direction. The arcuate surface has two end edges extending in the vertical direction and spaced apart in a left-right direction perpendicular to the vertical direction, and a concave surface extending in the vertical direction and connected between the end edges. The electronic device includes a housing unit, an electronic unit, and a top cover. The housing unit defines an accommodating space. The housing unit has an outer peripheral surface surrounding a reference axis extending in the vertical direction and opposite to the accommodating space. The outer peripheral surface has a mating surface and a front surface portion connected to the mating surface. The electronic unit is disposed in the accommodating space. The top cover is disposed on the housing unit and covers the accommodating space when the electronic device is installed in the mounting slot. The two opposite ends of the mating surface of the housing unit in the left-right direction are respectively adjacent to the end edges, and at least a portion of the mating surface of the housing unit is adjacent to the concave surface of the arcuate surface.

[0006] In the electronic device of the present invention, the mating surface of the housing unit is arc-shaped and its shape matches the arc surface.

[0007] The electronic device of the present invention has a mounting slot having an opening located between the end edges, and when the electronic device is mounted in the mounting slot, the front side of the housing unit does not protrude from the opening.

[0008] The present invention provides a method for installing an electronic device on a curbstone, applicable to installing the aforementioned electronic device on a curbstone. The method for installing the electronic device on the curbstone includes an alignment step, a milling step, and an installation step.

[0009] In the alignment step, a cylindrical hollow drill bit is prepared and placed downwards along the vertical direction against the junction of the top surface of the curbstone and the front side surface of the curbstone. Then, a portion of the hollow drill bit is positioned outside the junction of the top surface of the curbstone and the front side surface of the curbstone.

[0010] In the milling step, the hollow drill bit is used to drill downwards to form an arc-shaped groove in the curbstone, and a drill core surrounded by the arc-shaped groove is removed to form an installation groove in the curbstone. The installation groove is defined by an arc surface extending downwards from the top surface of the stone in the vertical direction and a groove bottom surface connected to the bottom of the arc surface in the vertical direction. The arc surface has two end edges extending in the vertical direction and spaced apart from each other, and a concave part extending in the vertical direction and connected between the end edges.

[0011] In the installation step, the electronic device is installed in the mounting slot, so that the mating surface of the housing unit is close to the end edge and the concave surface.

[0012] The method for installing electronic devices on curb stones according to the present invention has an arc-shaped joint surface of the housing unit.

[0013] The method for installing an electronic device on a curbstone according to the present invention includes an upper cover of the electronic device that can rotate relative to the housing unit. In the installation step, the angle of the upper cover is adjusted to ensure that the top surface of the upper cover is aligned with the top surface of the curbstone after the electronic device is placed in the mounting slot.

[0014] The method for installing an electronic device on a curbstone according to the present invention further includes a calibration step prior to the alignment step. In the calibration step, an arc-shaped mark is set at the junction of the top surface and the front side surface of the curbstone. The area enclosed by the arc-shaped mark on the curbstone is slightly larger than the projected area of ​​the electronic device along the vertical direction. In the alignment step, a hollow drill bit whose shape matches the arc-shaped mark is selected and aligned with the arc-shaped mark.

[0015] The method for installing electronic devices on curb stones according to the present invention includes saving the drill core taken out during the milling step.

[0016] The method for installing an electronic device on a curbstone according to the present invention includes, in the milling step, using a chisel to flatten the bottom surface of the groove of the curbstone and drilling multiple fixing holes in the bottom surface of the groove of the curbstone; in the installation step, multiple expansion screws are respectively set in the fixing holes and the electronic device is fixed by the expansion screws.

[0017] The method for installing an electronic device on a curbstone according to the present invention further includes a sealing step following the installation step, in which the gap between the electronic device and the curbstone is filled with concrete in the sealing step.

[0018] The beneficial effects of this invention are as follows: After the hollow drill bit carves the arc-shaped mounting groove into the curbstone, when the electronic device is installed in the mounting groove, the mating surface of the housing unit, close to the concave surface and the end edge of the arc surface, only requires filling the gap between the electronic device and the arc surface with concrete to complete the installation. No additional tools are needed to cut and trim the curbstone to match the shape of the electronic device, reducing cutting processes, saving material and labor costs, and improving installation efficiency. Attached Figure Description

[0019] Figure 1 This is a perspective view of an embodiment of the electronic device described in this invention installed on a curbstone;

[0020] Figure 2 From Figure 1 A top-down view from another angle;

[0021] Figure 3 This is an exploded perspective view of the embodiment and the curbstone described.

[0022] Figure 4 This is a partial exploded perspective view of the housing unit of the embodiment from another angle;

[0023] Figure 5 It is along Figure 2 The sectional view obtained from line V-V in the diagram;

[0024] Figure 6 It is along Figure 5 The sectional view obtained from line VI-VI in the diagram;

[0025] Figure 7 This is a flowchart of the first embodiment of the method for installing electronic devices on curb stones according to the present invention;

[0026] Figure 8 It is a top view showing a mark set on a curbstone in the first embodiment;

[0027] Figure 9 It is a top view showing a hollow drill bit pressed against the curbstone in the first embodiment;

[0028] Figure 10 It is a top view showing the hollow drill bit drilling an arc-shaped groove in the curbstone of the first embodiment;

[0029] Figure 11 It is a top view showing that the curbstone in the first embodiment has been chiseled out with an installation groove;

[0030] Figure 12 It is a cross-sectional view showing that the top cover of the electronic device in the first embodiment is aligned with the top surface of the curb after the angle is adjusted.

[0031] Figure 13 This is a top view of a curbstone according to a second embodiment of the method for installing an electronic device on a curbstone according to the present invention, showing that a through hole for a signal line is also drilled in the curbstone. Detailed Implementation

[0032] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] See Figure 1 An embodiment of the electronic device of the present invention is applicable to installation on a curbstone 6. The curbstone 6 is a demarcation element located at the edge of a road surface, used to distinguish between driveways, sidewalks, green spaces, or other parts of the road. The curbstone 6 may be made of concrete or stone. For ease of explanation, only one portion of the curbstone 6 is shown in the accompanying drawings of this embodiment.

[0034] See Figures 2 to 4 The electronic device includes a housing unit 1, an electronic unit 2, a waterproof cap 3, a top cover 4, and a fixing unit 5.

[0035] The housing unit 1 includes a front sidewall 11, a support wall 12 connected to the front sidewall 11 and located behind the front sidewall 11 in a front-rear direction Y, a bottom wall 13 connected to the front sidewall 11 and the support wall 12 and defining an accommodating space 15 together with the front sidewall 11 and the support wall 12, a partition wall 14 disposed in the accommodating space 15, an outer frame 16 rotatably disposed on the front sidewall 11 and surrounding the support wall 12, and a fastener 17 detachably disposed between the outer frame 16 and the support wall 12.

[0036] The front sidewall 11 has a front side portion 111, two side end face segments 112 connected to the two opposite ends of the front side portion 111 along the left-right direction X perpendicular to the front-rear direction Y and extending toward the rear of the front side portion 111, and a window 113 formed on the front side portion 111.

[0037] An adjustment screw hole 121 is formed on the support wall 12. Two mounting holes 131 and a fixing screw hole 132 located between the mounting holes 131 and positioned higher than the mounting holes 131 are formed on the bottom wall 13. The partition wall 14 divides the accommodating space 15 into a first accommodating chamber 151 and a second accommodating chamber 152.

[0038] See Figure 3 , Figure 5 ,and Figure 6 The first chamber 151 is located on the front side of the partition wall 14. The second chamber 152 is located on the rear side of the partition wall 14 and connects the mounting hole 131 and the fixing screw hole 132.

[0039] The outer frame 16 is rotatable about a rotation axis L1 that is adjacent to the top of the front sidewall 11 and extends along the left-right direction X. The outer frame 16 has two pivot portions 161 that are pivotally connected to the front sidewall 11 and located on the rotation axis L1, and a frame portion 162 that connects the pivot portions 161.

[0040] See Figures 2 to 4 Each of the pivot portions 161 is pivotally connected to the front sidewall 11 by a pivot screw 163. The frame portion 162 is an arcuate strip surrounding the top side of the support wall 12. The frame portion 162 has an inner surface 1621 facing the support wall 12, an inner flange 1622 disposed on the inner surface 1621 and generally arcuate, and an outer frame surface segment 1623 opposite to the inner surface 1621. A plurality of openings 1624 are formed on the outer frame surface segment 1623, arranged vertically and located below the inner flange 1622.

[0041] The outer frame segment 1623 of the frame portion 162 and the side end segment 112 of the front sidewall 11 together form an arc-shaped joint surface 181. The joint surface 181 and the front side portion 111 together form an outer peripheral surface 18. The outer peripheral surface 18 surrounds a reference axis L2 extending along the vertical direction Z perpendicular to the front-rear direction Y and the left-right direction X.

[0042] The fastener 17 is disposed between the frame portion 162 and the support wall 12 and is used to fix the frame portion 162. The fastener 17 can be detachably passed through one of the openings 1624 and fixed to the support wall 12. Specifically, the fastener 17 is a screw screwed into the adjusting screw hole 121 to fix the position of the frame portion 162.

[0043] The electronic unit 2 is disposed in the first compartment 151 of the accommodating space 15 and includes an electronic device 21 facing the window 113. The waterproof cover 3 is a rubber pad that can be detachably covered in the first compartment 151.

[0044] See Figure 3 ,and Figure 5 The upper cover 4 is adjacent to the top of the accommodating space 15 and can rotate about the rotation axis L1. The upper cover 4 includes two rotating parts 41 pivotally connected to the front sidewall 11 and located on the rotation axis L1, and a cover body 42 connected to the rotating parts 41 and abutting against the upper side of the inner flange 1622.

[0045] Each of the rotating parts 41 is adjacent to a corresponding pivot part 161. Each of the rotating parts 41 is pivotally connected to the front sidewall 11 by a corresponding pivot screw 163.

[0046] The cover 42 includes a top cover surface 421, a bottom cover surface 422 opposite to the top cover surface 421, a groove 423 formed on the rear side of the top cover surface 421, and a through hole 424 extending from the bottom cover surface 422 to the groove 423 and adjacent to the second chamber 152.

[0047] The fixing unit 5 includes a screw 51 that is screwed into the fixing screw hole 132 from bottom to top and whose top end passes through the second chamber 152, the through hole 424 and the groove 423, and a locking nut 52 that is screwed into the top end of the screw 51 and located in the groove 423.

[0048] See Figure 7 An embodiment of the method for mounting an electronic device on a curbstone according to the present invention includes a calibration step S1, an alignment step S2, a milling step S3, an mounting step S4, and an encapsulation step S5.

[0049] See Figure 1 , Figure 7 ,and Figure 8 In the calibration step S1, an arc-shaped mark 10 is set at the junction of a top surface 61 and a front surface 62 of the curbstone 6. The area enclosed by the arc-shaped mark 10 on the curbstone 6 is slightly larger than the projected area of ​​the electronic device along the vertical direction Z.

[0050] See Figure 7 ,and Figure 9 In the alignment step S2, a cylindrical hollow drill bit 20 with a shape matching the arc-shaped mark 10 is prepared. The hollow drill bit 20 is placed downwards along the vertical direction Z against the junction of the top surface 61 and the front surface 62 of the curbstone 6, aligning the hollow drill bit 20 with the arc-shaped mark 10. At this time, a portion of the hollow drill bit 20 is located outside the junction of the top surface 61 and the front surface 62. In this embodiment, the mating surface 181 of the housing unit 1 is generally arc-shaped with an arc of 180 degrees (see...). Figure 2 In other words, the arc-shaped mark 10 is a semi-circular arc. In other variations of this embodiment, depending on the shape of the electronic device, the arc-shaped mark 10 may also be an arc with an arc degree less than 180 degrees or greater than 180 degrees, and is not limited thereto.

[0051] See Figure 7 , Figure 10 ,and Figure 11 In the milling step S3, the hollow drill bit 20 is used to drill downwards into the curbstone 6 to form an arc-shaped groove 30 and a drill core 40 surrounded by the arc-shaped groove 30. The drill core 40 is removed with a tool to form an installation groove 63 in the curbstone 6. The installation groove 63 is defined by an arc surface 64 extending downwards from the top surface 61 of the curbstone along the vertical direction Z, and a groove bottom surface 65 connecting to the bottom of the arc surface 64 along the vertical direction Z (see...). Figure 3 The bottom surface 65 of the groove is flattened with a chisel. The arc surface 64 has two end edges 641 extending along the vertical direction Z and spaced apart along the horizontal direction, and a concave portion 642 extending along the vertical direction Z and connecting the end edges 641. The mounting groove 63 has an opening 631 located between the end edges 641. The shape of the mating portion 181 of the housing unit 1 matches the arc surface 64, so that when the electronic device is placed in the mounting groove 63, there is only a small gap between the mating portion 181 of the housing unit 1 and the arc surface 64 (see...). Figure 2 In this embodiment, the drill core 40 that was removed is preserved. If it is necessary to remove the electronic device in the future to restore the curbstone 6 to its original state, the drill core 40 can be reinstalled in the mounting slot 63 and repaired with concrete to restore the curbstone 6.

[0052] See Figure 5 , Figure 7 , Figure 11 ,and Figure 12In the installation step S4, the fastener 17 and the locking nut 52 are removed, and the electronic device is placed into the mounting slot 63, so that the mating surface 181 of the housing unit 1 is evenly close to the end edge 641 and the concave surface 642 (see...). Figure 2 And two marks (not shown) are made on the bottom surface 65 of the groove corresponding to the position of the mounting hole 131. At this time, the mating surface 181 of the housing unit 1 is at least partially adjacent to the concave surface 642 of the arc surface 64.

[0053] Remove the electronic device and drill two fixing holes 66 at the marked location (see...). Figure 11 Prepare two mounting components 7, each of which has an expansion screw 71 and a retaining nut 72. Drive the expansion screw 71 into the retaining hole 66 (see...). Figure 3 and Figure 6 ).

[0054] Next, remove the fastener 17 and the locking nut 52, adjust the angle of the upper cover 4, and confirm that the top surface 421 of the upper cover 4 can be aligned with the top surface 61 of the curbstone after the electronic device is placed in the mounting slot 63. Then, remove the electronic device, pass the fastener 17 through the corresponding opening 1624 and screw it into the adjusting screw hole 121 to fix the position of the outer frame 16. Place the electronic device into the mounting slot 63, so that the expansion screw 71 passes through the mounting hole 131 of the bottom wall 13. Lock the fixing nut 72 onto the top of the expansion screw 71 to fix the housing unit 1 to the curbstone 6 (see...). Figure 6 ).

[0055] Finally, the upper cover 4 is placed on top and the locking nut 52 is screwed onto the top of the screw 51 to secure the upper cover 4, and it is confirmed that the upper cover 4 is aligned with the top surface 61 of the stone. When the electronic device is installed in the mounting slot 63, the front side portion 111 of the housing unit 1 does not protrude from the opening 631 and is approximately flush with the front side portion 62 of the stone (see...). Figure 1 ,and Figure 2 When the electronic device needs to be inspected or repaired, the user can directly open the top cover 4 to inspect or repair the electronic unit 2 after removing the locking nut 52.

[0056] See Figure 2 ,and Figure 7In the encapsulation step S5, concrete (not shown) is used to fill the gap between the electronic device and the curbstone 6. In this embodiment, the electronic device 21 is a camera used to photograph the license plates of cars parked next to the curbstone 6 to calculate parking fees. The electronic unit 2 is connected to a server (not shown) via a wireless network to transmit image data. Since the front side 111 of the housing unit 1 does not protrude from the opening 631 of the mounting groove 63, it can avoid being hit by moving cars and has an aesthetically pleasing appearance. In other variations of this embodiment, the electronic device 21 can also be a projector for displaying advertisements or other types of electronic devices.

[0057] See Figure 12 Due to differences in construction, the top surface 61 of different curb stones 6 may have varying slopes. When the top surface 61 of the curb stone 6 is set to an inclined shape to facilitate drainage, and the electronic device of the present invention is installed on the curb stone 6, the user can adjust the angle of the upper cover 4 to align the top cover surface 421 of the upper cover 4 with the curb stone 6. It should be noted that in other variations of this embodiment, the mating surface 181 of the housing unit 1 may also be a polygon or other shape close to the concave surface 642 and the end edge 641 of the arc surface 64. When the electronic device is installed in the mounting groove 63, installation can also be easily completed after filling the gap between the mating surface 181 and the arc surface 64 with concrete.

[0058] See Figure 13 This is a second embodiment of the method for installing an electronic device on a curbstone according to the present invention. The difference from the first embodiment is that, in the milling step, a through hole 67 is drilled in the arc surface 64. In the installation step, a signal line 50 is provided passing through the through hole 67 and used to electrically connect the electronic unit 2. This allows the electronic unit 2 to transmit data to the server via the signal line 50.

[0059] In summary, the method for installing an electronic device on a curbstone according to the present invention involves using the hollow drill bit 20 to carve an arc-shaped mounting groove 63 into the curbstone 6. When the electronic device is installed in the mounting groove 63, the mating surface 181 of the housing unit 1 is close to the concave surface 642 and the end edge 641 of the arc surface 64. Installation is completed simply by filling the gap between the electronic device and the arc surface 64 with concrete. No additional tools are needed to cut and trim the curbstone 6 to match the shape of the electronic device, reducing cutting processes, saving material and labor costs, and improving installation efficiency. Therefore, the purpose of the present invention is indeed achieved.

[0060] The above description is merely an embodiment of the present invention and should not be construed as limiting the scope of the present invention. Any simple equivalent changes and modifications made in accordance with the claims and description of the present invention shall still fall within the scope of the present invention.

Claims

1. An electronic device suitable for mounting in a mounting groove, said mounting groove being defined by an arcuate surface extending in a vertical direction and a groove bottom surface connected to the bottom of said arcuate surface in the vertical direction, said arcuate surface having two end edges extending in the vertical direction and spaced apart in a left-right direction perpendicular to said vertical direction, and a concave portion extending in the vertical direction and connected between said end edges; characterized in that: The electronic device includes a housing unit, an electronic unit, and a top cover. The housing unit defines an accommodating space and has an outer peripheral surface surrounding a reference axis extending in the vertical direction and opposite to the accommodating space. The outer peripheral surface has a mating surface and a front surface portion connected to the mating surface. The electronic unit is disposed in the accommodating space, and the top cover is disposed in the housing unit and covers the accommodating space. When the electronic device is installed in the mounting slot, the two opposite ends of the mating surface of the housing unit along the left-right direction are respectively adjacent to the end edge portion. At least a portion of the mating surface of the housing unit is adjacent to the concave portion of the arc surface.

2. The electronic device according to claim 1, characterized in that: The joint surface of the box unit is arc-shaped and its shape matches the arc surface.

3. The electronic device according to claim 1, characterized in that: The mounting slot has an opening located between the end edges, and when the electronic device is installed in the mounting slot, the front side of the housing unit does not protrude from the opening.

4. A method for installing an electronic device on a curbstone, applicable to installing the electronic device as described in claim 1 on a curbstone, characterized in that: The method for installing electronic devices on curb stones includes: In the alignment step, prepare a cylindrical hollow drill bit, and place the hollow drill bit downwards along the vertical direction against the junction of the top surface of the curbstone and the front side surface of the curbstone. Then, position a portion of the hollow drill bit outside the junction of the top surface of the curbstone and the front side surface of the curbstone. In the milling step, the hollow drill bit is used to drill downwards into the curbstone to form an arc-shaped groove, and a drill core surrounded by the arc-shaped groove is removed to form an installation groove in the curbstone. The installation groove is defined by an arc surface extending downwards from the top surface of the curbstone in the vertical direction, and a groove bottom surface connected to the bottom of the arc surface in the vertical direction. The arc surface has two end edges extending in the vertical direction and spaced apart from each other, and a concave part extending in the vertical direction and connected between the end edges. The installation step involves installing the electronic device into the mounting slot, such that the mating surface of the housing unit is close to the end edge and the concave surface.

5. The method for installing an electronic device on a curbstone according to claim 4, characterized in that: The joint surface of the box unit is arc-shaped.

6. The method for installing an electronic device on a curbstone according to claim 4, characterized in that: The top cover of the electronic device can rotate relative to the housing unit. During the installation step, the angle of the top cover is adjusted to ensure that the top surface of the top cover is aligned with the top surface of the curb stone after the electronic device is placed in the mounting slot.

7. The method for installing an electronic device on a curbstone according to claim 4, characterized in that: It also includes a calibration step prior to the alignment step, in which an arc-shaped mark is set at the junction of the top surface and the front side surface of the curbstone, the area enclosed by the arc-shaped mark on the curbstone being slightly larger than the projected area of ​​the electronic device along the vertical direction, and in the alignment step, a hollow drill bit whose shape matches the arc-shaped mark is selected and aligned with the arc-shaped mark.

8. The method for installing an electronic device on a curbstone according to claim 4, characterized in that: During the milling step, the drill core that was removed is preserved.

9. The method for installing an electronic device on a curbstone according to claim 4, characterized in that: In the milling step, the bottom surface of the groove of the curbstone is leveled with a chisel, and multiple fixing holes are drilled in the bottom surface of the groove of the curbstone. In the installation step, multiple expansion screws are respectively placed in the fixing holes, and the electronic device is fixed by the expansion screws.

10. The method for installing an electronic device on a curbstone according to claim 4, characterized in that: It also includes a sealing step following the installation step, in which the gap between the electronic device and the curbstone is filled with concrete.