Wireless well lid sensor

Abstract

The utility model discloses a wireless well lid sensor which comprises a wireless sensor body, a bottom plate fixedly connected to the bottom of the wireless sensor body, an installation shell arranged at the bottom of the bottom plate, a moving mechanism arranged in the installation shell and an installation assembly arranged on the upper surface of the installation shell. And the moving mechanism comprises a gear motor, a transmission gear, a moving gear ring, a connecting column, a limiting shaft and an annular sliding groove, the transmission gear is fixedly connected to an output shaft of the gear motor, the moving gear ring is rotationally connected to the interior of the mounting shell, and the connecting column is fixedly connected to the upper surface of the moving gear ring. Under the action of annular movement of the moving mechanism, the wireless sensor body can monitor the well lid in an all-around and dead-corner-free mode, and the monitoring precision and the coverage rate are improved. And under the fixing action of the mounting assembly, the wireless sensor main body is easy to replace and maintain, and the long-term operation cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of sensors, and in particular relates to a wireless manhole cover sensor. Background Art

[0002] Manhole covers are used to cover deep wells on roads or in homes to prevent people or objects from falling. In order to improve the intelligent management of manhole covers on roads, smart manhole cover sensors are usually installed on manhole covers to detect conditions such as manhole cover displacement, manhole cover loss, manhole cover tilt, and manhole cover damage. Through the Internet of Things, the status of the manhole cover is transmitted to the monitoring platform, and the manhole cover is repaired or replaced in a timely manner to prevent accidents.

[0003] The existing management of manhole covers mainly relies on manual inspections, which is not only time-consuming and laborious, but also difficult to achieve comprehensive and real-time monitoring of manhole covers. With the development of Internet of Things technology, although some smart manhole cover sensors have been launched, most of them can only monitor a certain point or a specific area of ​​the manhole cover, and cannot fully reflect the overall status of the manhole cover, especially in the edges and corners of the manhole cover, which are vulnerable to damage, and the monitoring blind spots are large. Utility Model Content

[0004] The utility model aims to solve the problem that the manhole cover monitoring means in the prior art can only monitor a certain point or a specific area of ​​the manhole cover and cannot fully reflect the overall status of the manhole cover, and proposes the following technical solutions:

[0005] A wireless manhole cover sensor, comprising a wireless sensor body, a bottom plate fixedly connected to the bottom of the wireless sensor body, a mounting shell arranged at the bottom of the bottom plate, a moving mechanism arranged inside the mounting shell, and a mounting assembly arranged on the upper surface of the mounting shell;

[0006] The moving mechanism includes a reduction motor, a transmission gear, a moving gear ring, a connecting column, a limiting shaft, and an annular slide groove, wherein the transmission gear is fixedly connected to the output shaft of the reduction motor, the moving gear ring is rotatably connected to the inside of the mounting shell, and the connecting column is fixedly connected to the upper surface of the moving gear ring;

[0007] The mounting assembly includes a slide seat, a mounting tube, a spring, and an abutment rod. The mounting tube is fixedly mounted inside the slide seat, the spring is fixedly connected to the inner bottom wall of the mounting tube, and the abutment rod is fixedly connected to one end of the spring away from the mounting tube.

[0008] With the fixing effect of the installation components, the wireless sensor body is easy to replace and maintain, reducing long-term operating costs.

[0009] As a preferred embodiment of the above technical solution, the reduction motor is fixedly installed inside one side of the mounting shell, the transmission gear is meshingly connected with the movable gear ring, and the outer diameter of the movable gear ring is matched with the inner diameter of the mounting shell.

[0010] Under the transmission action of the reduction motor, its output shaft drives the transmission gear to rotate.

[0011] As a preferred embodiment of the above technical solution, the number of the limit shafts is four, and the four limit shafts are rectangular and fixedly connected to the inside of the mounting shell. A limit groove matching the limit shaft is opened inside the movable gear ring, and the movable gear ring is rotatably connected to the upper surfaces of the four limit shafts through the limit groove.

[0012] Under the limiting guidance of the limiting shaft and the limiting groove, the movable gear ring can move stably in an annular shape.

[0013] As a preferred embodiment of the above technical solution, the annular groove is opened on the upper surface of the mounting shell, the outer diameter of the connecting column is matched with the inner diameter of the annular groove, and the connecting column is slidably connected to the annular groove through a movable gear ring.

[0014] Under the auxiliary guidance of the annular slide, the wireless sensor body is ensured to move stably

[0015] As a preferred embodiment of the above technical solution, the slide seat is fixedly connected to the top end of the connecting column, the base plate is slidably connected to the inside of the slide seat, the end of the abutment rod away from the spring abuts against the outer wall of the base plate, and the number of the mounting tube, spring and abutment rod are four.

[0016] Under the fixing effect of the installation assembly, the wireless sensor body is easy to replace and maintain.

[0017] As a preferred embodiment of the above technical solution, fixing brackets are fixedly connected to the left and right sides of the outside of the installation shell, and the upper surfaces of the two fixing brackets are provided with mounting holes.

[0018] With the connection between the fixing bracket and the mounting hole, it is convenient to install the device as a whole at the bottom of the manhole cover.

[0019] The beneficial effects of the utility model are:

[0020] (1) Under the circular movement of the mobile mechanism, the wireless sensor body can realize all-round and no-dead-angle monitoring of the manhole cover, thereby improving the monitoring accuracy and coverage rate;

[0021] (2) The fixing function of the installation components makes the wireless sensor body easy to replace and maintain, reducing long-term operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 What is shown is a structural stereogram of the entire device;

[0023] Figure 2 What is shown is a structural stereogram of the wireless sensor body;

[0024] Figure 3 What is shown is the structural stereogram of the moving mechanism;

[0025] Figure 4 Shown is a structural cutaway perspective view of the mounting tube.

[0026] In the figure: 1. wireless sensor body; 2. bottom plate; 3. mounting shell; 4. moving mechanism; 41. reduction motor; 42. transmission gear; 43. moving gear ring; 44. connecting column; 45. limiting shaft; 46. annular slide groove; 5. mounting assembly; 51. slide seat; 52. mounting cylinder; 53. spring; 54. abutment rod; 6. fixing bracket. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0028] Example

[0029] Figures 1 to 4 What is shown is a structural schematic diagram of a specific embodiment of the utility model. A wireless manhole cover sensor includes a wireless sensor body 1, a base plate 2 fixedly connected to the bottom of the wireless sensor body 1, a mounting shell 3 arranged at the bottom of the base plate 2, a moving mechanism 4 arranged inside the mounting shell 3, and a mounting assembly 5 arranged on the upper surface of the mounting shell 3. The moving mechanism 4 includes a reduction motor 41, a transmission gear 42, a moving gear ring 43, a connecting column 44, a limiting shaft 45, and an annular slide groove 46. The transmission gear 42 is fixedly connected to the output shaft of the reduction motor 41, the moving gear ring 43 is rotatably connected to the inside of the mounting shell 3, and the connecting column 44 is fixedly connected to the upper surface of the moving gear ring 43. The wireless sensor body 1 is equipped with an acceleration sensor, a displacement sensor, a temperature sensor and a wireless communication module for real-time monitoring of key parameters such as vibration, displacement, and temperature of the manhole cover.

[0030] The reduction motor 41 is fixedly installed inside one side of the mounting shell 3, the transmission gear 42 is meshed with the moving gear ring 43, and the outer diameter of the moving gear ring 43 is adapted to the inner diameter of the mounting shell 3. A maintenance plate is detachably installed at the bottom of the mounting shell 3, and a battery is detachably installed inside the mounting shell 3 to supply energy to the reduction motor 41 to ensure long-term stable operation.

[0031] Under the transmission action of the reduction motor 41, its output shaft drives the transmission gear 42 to rotate, and the transmission gear 42 rotates and engages with the moving gear ring 43 to move in a circle through the limit shaft 45, ensuring that the wireless sensor body 1 can move smoothly and continuously at the bottom of the manhole cover, realizing all-round and no-dead-angle monitoring of the manhole cover, and improving the monitoring accuracy and coverage.

[0032] Specifically, there are four limit shafts 45, and the four limit shafts 45 are rectangular and fixedly connected to the inside of the mounting shell 3. A limit groove matching the limit shaft 45 is opened inside the movable ring gear 43, and the movable ring gear 43 is rotatably connected to the upper surfaces of the four limit shafts 45 through the limit groove.

[0033] Under the limiting guidance of the limiting shaft 45 and the limiting groove, the movable gear ring 43 can move stably in an annular shape.

[0034] It should be noted that the annular groove 46 is provided on the upper surface of the mounting shell 3 , the outer diameter of the connecting column 44 is matched with the inner diameter of the annular groove 46 , and the connecting column 44 is slidably connected to the annular groove 46 via the movable gear ring 43 .

[0035] Under the guidance of the annular slide groove 46 , the wireless sensor body 1 is ensured to move stably, and only the annular slide groove 46 is provided, thereby improving the protection effect of the moving mechanism 4 inside the mounting shell 3 .

[0036] Figure 2 and Figure 4 In the figure, the mounting assembly 5 includes a slide 51, a mounting cylinder 52, a spring 53, and an abutment rod 54. The mounting cylinder 52 is fixedly mounted inside the slide 51, the spring 53 is fixedly connected to the inner bottom wall of the mounting cylinder 52, and the abutment rod 54 is fixedly connected to one end of the spring 53 away from the mounting cylinder 52.

[0037] Among them, the slide 51 is fixedly connected to the top of the connecting column 44, the base plate 2 is slidably connected to the inside of the slide 51, and the end of the abutment rod 54 away from the spring 53 abuts against the outer wall of the base plate 2. The number of mounting tubes 52, springs 53 and abutment rods 54 are all four.

[0038] Under the installation action of the slide 51, the wireless sensor body 1 can be initially limited by the base plate 2. Under the elastic reaction force of the spring 53, the abutment rod 54 abuts and limits the base plate 2, which facilitates the clamping and fixing of the two sides of the wireless sensor body 1, so that the wireless sensor body 1 can be disassembled, assembled and repaired conveniently and quickly.

[0039] Figure 1 In the embodiment, the left and right sides of the outside of the installation shell 3 are fixedly connected with fixing brackets 6, and the upper surfaces of the two fixing brackets 6 are provided with mounting holes.

[0040] Under the connection between the fixing bracket 6 and the mounting hole, it is convenient to install the device as a whole at the bottom of the manhole cover.

[0041] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A wireless manhole cover sensor, comprising a wireless sensor body (1), a bottom plate (2) fixedly connected to the bottom of the wireless sensor body (1), a mounting shell (3) arranged at the bottom of the bottom plate (2), a moving mechanism (4) arranged inside the mounting shell (3), and a mounting assembly (5) arranged on the upper surface of the mounting shell (3), characterized in that: The moving mechanism (4) comprises a reduction motor (41), a transmission gear (42), a moving gear ring (43), a connecting column (44), a limiting shaft (45), and an annular slide groove (46); the transmission gear (42) is fixedly connected to the output shaft of the reduction motor (41); the moving gear ring (43) is rotatably connected to the inside of the mounting shell (3); and the connecting column (44) is fixedly connected to the upper surface of the moving gear ring (43); The mounting assembly (5) comprises a sliding seat (51), a mounting tube (52), a spring (53), and an abutment rod (54); the mounting tube (52) is fixedly mounted inside the sliding seat (51); the spring (53) is fixedly connected to an inner bottom wall of the mounting tube (52); and the abutment rod (54) is fixedly connected to an end of the spring (53) away from the mounting tube (52).

2. A wireless manhole cover sensor according to claim 1, characterized in that: The reduction motor (41) is fixedly mounted inside one side of the mounting shell (3), the transmission gear (42) is meshingly connected with the movable gear ring (43), and the outer diameter of the movable gear ring (43) is matched with the inner diameter of the mounting shell (3).

3. A wireless manhole cover sensor according to claim 1, characterized in that: The number of the limiting shafts (45) is four, and the four limiting shafts (45) are rectangular and fixedly connected to the inside of the mounting shell (3). The inside of the movable gear ring (43) is provided with a limiting groove matched with the limiting shaft (45), and the movable gear ring (43) is rotatably connected to the upper surfaces of the four limiting shafts (45) through the limiting groove.

4. A wireless manhole cover sensor according to claim 1, characterized in that: The annular slide groove (46) is formed on the upper surface of the mounting shell (3); the outer diameter of the connecting column (44) matches the inner diameter of the annular slide groove (46); and the connecting column (44) is slidably connected to the annular slide groove (46) via a movable gear ring (43).

5. The wireless manhole cover sensor according to claim 1, characterized in that: The slide seat (51) is fixedly connected to the top end of the connecting column (44), the bottom plate (2) is slidably connected to the inside of the slide seat (51), one end of the abutment rod (54) away from the spring (53) abuts against the outer wall of the bottom plate (2), and the number of the mounting tube (52), the spring (53) and the abutment rod (54) are all four.

6. A wireless manhole cover sensor according to claim 1, characterized in that: The left and right sides of the outside of the installation shell (3) are fixedly connected to fixing brackets (6), and the upper surfaces of the two fixing brackets (6) are provided with mounting holes.

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