CN212058893U

CN212058893U - Detection device is opened to well lid based on light sense and supersound range finding

Info

Publication number: CN212058893U
Application number: CN202021077948.4U
Authority: CN
Inventors: 翟夏杰; 彭定坤
Original assignee: Global Resource Photoelectric Technology Co ltd
Current assignee: Global Resource Photoelectric Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-12-01
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a detection device is opened to well lid based on light sense and ultrasonic ranging, include through the monitor of detachable assembly setting inner cover lower terminal surface and set up in the inner cover up end with the supersound distance measuring sensor and the light sensor that the monitor electricity is connected, light sensor detectable well light intensity change and send to the monitor, the distance between ultrasonic distance measuring sensor detectable and the enclosing cover is sent to the monitor, is provided with communication module on the monitor, the monitor sends data to the backstage through communication module; through covering setting up watch-dog, supersound range finding sensor and light sensor including, can monitor the enclosing cover and whether opened or moved away, multiple protection can be carried out in the combination of multiple sensor, and further, watch-dog, supersound range finding sensor and light sensor cover for whether there is the foreign matter to cover monitoring enclosing cover top, avoid sheltering from because of article such as rivers, grit and can't find the enclosing cover.

Description

Detection device is opened to well lid based on light sense and supersound range finding

Technical Field

The utility model relates to a well lid monitoring devices field.

Background

The well lid is the safety goods of installing at the well head of launching, nevertheless because the well lid is stolen easily, in case the well lid is stolen, the well head of launching exposes outward, cause danger easily, if change the outfit and have the pickproof lock to all well lids, the cost will be very high, consequently can install an inner cup additional in the well lid below usually, the well lid exists as the enclosing cover, the inner cup passes through the pickproof lock to be installed in the well of well lid below, still exist and can't monitor whether the enclosing cover is stolen.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a detection device is opened to well lid based on light sense and ultrasonic ranging can detect whether the enclosing cover is opened or stolen, in time with information feedback to the backstage.

The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: the utility model provides a detection device is opened to well lid based on light sense and ultrasonic ranging, including through can dismantle the subassembly setting under the lid terminal surface the watch-dog and set up including cover the up end with the supersound distance measuring sensor and the light sensor that the watch-dog electricity is connected, the light intensity change in the light sensor detectable well sends to the watch-dog, distance between supersound distance measuring sensor detectable and the enclosing cover sends to the watch-dog, is provided with communication module on the watch-dog, and the watch-dog passes through communication module and sends data to the backstage.

Furthermore, the lower terminal surface of enclosing cover is provided with magnet, the up end of inner cup still is provided with the magnetic sensor that the watch-dog electricity is connected, and magnetic sensor can detect the produced magnetic field of magnet to whether the enclosing cover is opened according to the intensity in magnetic field.

Preferably, the distance between the magnet and the magnetic sensor is less than 40 cm.

Further, detection device is opened to well lid based on light sense and ultrasonic ranging still including covering establishes the protective housing on ultrasonic ranging sensor, light-sensitive sensor and the magnetic sensor.

Preferably, the monitor further comprises a power module and a main control module electrically connected with the power module, and the communication module, the ultrasonic distance measuring sensor, the light sensing sensor and the magnetic sensor are electrically connected with the main control module.

Preferably, the detachable assembly comprises a bolt, a through hole arranged on the monitor and a threaded hole arranged on the inner cover, and the bolt penetrates through the through hole and then is in threaded connection with the threaded hole.

The utility model has the advantages that: a manhole cover opening detection device based on light sensation and ultrasonic distance measurement comprises a monitor, an ultrasonic distance measurement sensor and a light induction sensor, wherein the monitor is arranged on the lower end face of an inner cover through a detachable assembly, the ultrasonic distance measurement sensor and the light induction sensor are arranged on the upper end face of the inner cover and electrically connected with the monitor, the light induction sensor can detect light intensity changes in a hoistway and send the light intensity changes to the monitor, the ultrasonic distance measurement sensor can detect the distance between the ultrasonic distance measurement sensor and an outer cover and send the light intensity changes to the monitor, a communication module is arranged on the monitor; through covering setting up watch-dog, supersound range finding sensor and light sensor including, can monitor the enclosing cover and whether opened or moved away, multiple protection can be carried out in the combination of multiple sensor, and further, watch-dog, supersound range finding sensor and light sensor cover for whether there is the foreign matter to cover monitoring enclosing cover top, avoid sheltering from because of article such as rivers, grit and can't find the enclosing cover.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a manhole cover opening detection device based on light sensation and ultrasonic distance measurement;

FIG. 2 is a schematic view of a manhole cover opening detection device based on light sensing and ultrasonic ranging, wherein a manhole cover is opened;

FIG. 3 is a schematic view of a manhole cover opening detection device based on light sensing and ultrasonic ranging, wherein a manhole cover is moved away;

FIG. 4 is a schematic block diagram of a manhole cover opening detection device based on light sensing and ultrasonic ranging;

FIG. 5 is a schematic view of one embodiment of a removable assembly;

fig. 6 is a partial structural schematic diagram of a manhole cover opening detection device based on light sensation and ultrasonic distance measurement.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 6, a detection device is opened to well lid based on light sense and ultrasonic ranging, include through can dismantle the subassembly setting at inner cup 10 terminal surface under the watch-dog 20 and set up at inner cup 10 up end with ultrasonic ranging sensor 30 and the photoinduction sensor 40 that the watch-dog 20 electricity is connected, the light intensity change in the photoinduction sensor 40 detectable well is sent to watch-dog 20, the distance between ultrasonic ranging sensor 30 detectable and the enclosing cover 70 is sent to watch-dog 20, is provided with communication module 21 on the watch-dog 20, and watch-dog 20 passes through communication module 21 and sends data to the backstage.

In the utility model, the ultrasonic distance measuring sensor 30, the light sensor 40, the magnetic sensor 52 are arranged on the upper end surface of the inner cover 10, the ultrasonic distance measuring sensor 30 can send out ultrasonic waves, and measure the distance between the outer cover 70 and the inner cover 10 according to the reflected ultrasonic waves, when the distance between the outer cover 70 and the inner cover 10 is monitored to be larger than 40cm, the main control module 23 sends an alarm signal to the background through the communication module 21, meanwhile, the magnetic sensor 52 cannot detect corresponding magnetic signals when the outer cover 70 is opened or removed for a distance larger than 40cm, the main control module 23 also sends an alarm signal to the background through the communication module 21, further, after the outer cover 70 is opened or removed, light can irradiate into the sewer well from the outside, after the light sensor 40 detects the change of light intensity, the main control module 23 also sends an alarm signal to the background through the communication module 21, the system has triple monitoring measures, so that false alarm or no alarm caused by the influence of objective factors is reduced; furthermore, the ultrasonic ranging sensor 30, the light sensing sensor 40, the magnetic sensor 52 and the monitor 20 can also be disposed on the outer cover 70, so that when sand, water flow or other foreign matters shield the outer cover 70, the shielded outer cover 70 can be conveniently found by the maintainer.

The lower end surface of the outer cover 70 is provided with a magnet 51, the upper end surface of the inner cover 10 is further provided with a magnetic sensor 52 electrically connected with the monitor 20, and the magnetic sensor 52 can detect a magnetic field generated by the magnet 51 and judge whether the outer cover 70 is opened or not according to the strength of the magnetic field.

The distance between the magnet 51 and the magnetic sensor 52 is less than 40 cm.

The manhole cover opening detection device based on light sensation and ultrasonic distance measurement further comprises a protective shell 60 covering the ultrasonic distance measurement sensor 30, the light sensation sensor 40 and the magnetic sensor 52.

The monitor 20 further comprises a power module 22 and a main control module 23 electrically connected with the power module 22, wherein the communication module 21, the ultrasonic distance measuring sensor 30, the light sensing sensor 40 and the magnetic sensor 52 are electrically connected with the main control module 23; the communication module 21 adopts NB-I oT protocol for communication.

The detachable assembly comprises a bolt 63, a through hole 61 arranged on the monitor 20 and a threaded hole 62 arranged on the inner cover 10, and the bolt 63 passes through the through hole 61 and then is in threaded connection with the threaded hole 62.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides a detection device is opened to well lid based on light sense and ultrasonic ranging which characterized in that: including through dismantling the watch-dog (20) of subassembly setting terminal surface under inner cup (10) and set up at inner cup (10) up end with supersound distance measuring sensor (30) and photoinduction sensor (40) that watch-dog (20) electricity is connected, light intensity change in photoinduction sensor (40) detectable well and send to watch-dog (20), distance between supersound distance measuring sensor (30) detectable and enclosing cover (70) and send to watch-dog (20), be provided with communication module (21) on watch-dog (20), watch-dog (20) are through communication module (21) with data transmission to backstage.

2. The manhole cover opening detection device based on light sensation and ultrasonic distance measurement as claimed in claim 1, wherein: the lower end face of the outer cover (70) is provided with a magnet (51), the upper end face of the inner cover (10) is further provided with a magnetic sensor (52) electrically connected with the monitor (20), and the magnetic sensor (52) can detect a magnetic field generated by the magnet (51) and judge whether the outer cover (70) is opened or not according to the strength of the magnetic field.

3. The manhole cover opening detection device based on light sensation and ultrasonic distance measurement as claimed in claim 2, wherein: the distance between the magnet (51) and the magnetic sensor (52) is less than 40 cm.

4. The manhole cover opening detection device based on light sensation and ultrasonic distance measurement as claimed in claim 2, wherein: the ultrasonic ranging device further comprises a protective shell (60) which covers the ultrasonic ranging sensor (30), the light induction sensor (40) and the magnetic sensor (52).

5. The manhole cover opening detection device based on light sensation and ultrasonic distance measurement as claimed in claim 2, wherein: the monitor (20) further comprises a power supply module (22) and a main control module (23) electrically connected with the power supply module (22), and the communication module (21), the ultrasonic distance measuring sensor (30), the light sensing sensor (40) and the magnetic sensor (52) are electrically connected with the main control module (23).

6. The manhole cover opening detection device based on light sensation and ultrasonic distance measurement as claimed in claim 1, wherein: the detachable assembly comprises a bolt (63), a through hole (61) arranged on the monitor (20) and a threaded hole (62) arranged on the inner cover (10), and the bolt (63) penetrates through the through hole (61) and then is in threaded connection with the threaded hole (62).