CN210865021U

CN210865021U - Well lid alarm and alarm system

Info

Publication number: CN210865021U
Application number: CN201921291578.1U
Authority: CN
Inventors: 马冰; 马升; 朱国正
Original assignee: Hefei Madao Information Technology Co ltd
Current assignee: Hefei Madao Information Technology Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-26
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a well lid alarm, which relates to the municipal technical field, and comprises a water sensor, a gravity sensor, a battery and a communication module which are arranged in a shell and are electrically connected with a main control chip, wherein the water sensor is used for sending a signal to the main control chip when detecting that the well lid is immersed in water, and a probe part of the water sensor is embedded on the surface of the shell; the gravity sensor is used for continuously detecting the inclination angle change of the well lid and sending a signal to the main control chip when the inclination angle change of the well lid exceeds a set threshold value; communication module for realize the communication of main control chip and host computer, the beneficial effects of the utility model are that: utilize gravity sensor to last the inclination change of detecting the well lid, to the well lid that is in different road surface slopes, main control chip only needs to detect the inclination change value according to gravity sensor and can judge whether report to the police, has got rid of the interference at the well lid self inclination of great road surface slope, has promoted the degree of accuracy of reporting to the police greatly, avoids the mistake to report to the police.

Description

Well lid alarm and alarm system

Technical Field

The utility model relates to a well lid alarm device specifically is a well lid alarm and alarm system.

Background

In recent years, accidents that people are swallowed and injured by inspection wells occur in some cities, and the life and property safety of people is seriously influenced. The main reason is that most of well lids are single in function structure, and when the well lids are damaged, displaced, stolen and the like, the well lids lack monitoring means and cannot automatically alarm, so that a person in charge cannot timely know the conditions and maintain the well lids.

Whether current well lid alarm is through ultrasonic sensor or tilt switch or inclination sensor monitoring well lid displacement generally, but these three kinds of techniques all have the defect: the ultrasonic sensor is easily interfered by the change of the water level in the well, and the well lid is mistakenly assumed to be displaced, so that the false alarm of the well lid alarm is caused; the well lid alarm based on tilt switch is reported to the police according to the angle size of skew vertical position, and the well lid alarm based on inclination sensor then reports to the police according to the angle size of skew horizontal position, and two kinds of techniques are applied to the well lid that is in great road surface slope, because well lid self has great inclination, when the well lid was pressed to the vehicle, these two kinds of well lid alarms were also all reported by the wrong easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a well lid alarm and alarm system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a well lid alarm comprises a water sensor, a gravity sensor, a battery and a communication module, wherein the water sensor, the gravity sensor, the battery and the communication module are arranged in a shell and are electrically connected with a main control chip; the gravity sensor is used for continuously detecting the inclination angle change of the well lid and sending a signal to the main control chip when the inclination angle change of the well lid exceeds a set threshold value; the communication module is used for realizing the communication between the main control chip and the upper computer; the main control chip is used for controlling the water sensor, the gravity sensor and the communication module, receiving signals output by the water sensor and the gravity sensor and then generating alarm information to the upper computer; and the battery is used for supplying power to the components.

As a further aspect of the present invention: the communication module is an NB-loT communication module.

As a further aspect of the present invention: the model of the main control chip is STM32F103RCT 6.

As a further aspect of the present invention: the main control chip is also electrically connected with a positioning module used for generating the current well lid positioning information.

As a further aspect of the present invention: the positioning module is a GPS positioning module or a Beidou positioning module.

As a further aspect of the present invention: the main control chip is also electrically connected with an electric quantity detection module for detecting the electric quantity of the battery.

A well lid alarm system comprising: cloud platform, customer end and the above-mentioned alarm, cloud platform: the client side is communicated with the alarm, and the client side is used for storing information uploaded by the alarm and forwarding an operation instruction of the client side; and the client is used for displaying the information on the cloud platform and sending the operation instruction.

Compared with the prior art, the beneficial effects of the utility model are that: utilize gravity sensor to last the inclination change of detecting the well lid, to the well lid that is in different road surface slopes, main control chip only needs to detect the inclination change value according to gravity sensor and can judge whether report to the police, has got rid of the interference at the well lid self inclination of great road surface slope, has promoted the degree of accuracy of reporting to the police greatly, avoids the mistake to report to the police. Simultaneously, the water logging sensor can also monitor whether the water level in the well is effused, can long-rangely look over the information of all well lid alarms on the client, is favorable to the person in charge unit in time to know the particular case and maintain, avoids the inspection shaft to hinder the emergence of people's incident, in addition, if the well lid is lost, then can catch back through the positional information that the well lid alarm uploaded, greatly reduced loss of property.

Drawings

Fig. 1 is a schematic structural diagram of a manhole cover alarm.

Fig. 2 is a schematic structural diagram of a manhole cover alarm system.

Fig. 3 is a flow chart of a monitoring method of the manhole cover alarm system.

In the figure: 100-shell, 101-PCB board, 102-main control chip, 103-water sensor, 104-positioning module, 105-gravity sensor, 106-electric quantity detection module, 107-battery, 108-communication module, 200-cloud platform, 300-client.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Example 1

Please refer to fig. 1, in an embodiment of the present invention, a well lid alarm, includes a water sensor 103, a gravity sensor 105, a battery 107 and a communication module 108 installed in a casing 100 and electrically connected to a main control chip 102, in this embodiment, the water sensor 103 is used for detecting whether the well lid is immersed by water, that is, when the liquid level in the well rises, information is collected and sent to the main control chip 102, and of course, a probe part of the water sensor 103 is embedded on the surface of the casing 100; the gravity sensor 105 is used for continuously detecting the inclination angle change of the well lid and sending a signal to the main control chip 102 when the inclination angle change of the well lid exceeds a set threshold value; the communication module 108 is configured to implement communication between the main control chip 102 and an upper computer, where the communication mode preferably uses wireless communication, and may specifically be an NB-loT communication module; the main control chip 102 is used for controlling the water sensor 103, the gravity sensor 105 and the communication module 108, receiving signals output by the water sensor 103 and the gravity sensor 105 and generating alarm information to an upper computer, and the model of the main control chip 102 can be STM32F103RCT 6; a battery 107 for supplying power to the above components.

From the above description, the working principle of the present embodiment is easily known: during normal work, water sensor 103 and gravity sensor 105 continuously detect whether the well lid receives the water logging and the inclination change of well lid, as long as the well lid receives the water logging or the inclination change of well lid exceeds the threshold value of settlement when (for example 5 °), then, this moment, water sensor 103 and gravity sensor 105 can send a signal to main control chip 102, main control chip 102 received signal back, generate alarm information and send for the host computer through communication module 108, handle by the host computer, the person in charge unit can in time know the particular case and maintain according to the information that the host computer collected, avoid the inspection shaft to hinder the emergence of people's incident.

Here, it should be noted that, the gravity sensor 105 continuously detects the inclination change of the manhole cover, what it detected is the change value, and for the manhole cover on the road surface with a larger slope, it is not influenced or disturbed by the inclination angle of the manhole cover itself, which greatly improves the accuracy of the alarm and avoids the false alarm. Specifically, for example, if the road surface gradient is 30 °, the inclination angle of the manhole cover and the gravity sensor 105 is also 30 ° in the normal state, and only when the gravity sensor 105 detects that the current angle of the manhole cover becomes less than 25 ° or more than 35 °, that is, the angle change amount thereof exceeds 5 °, a signal is transmitted to the main control chip 102. More specifically, the initial measurement value of the gravity sensor 105 is conveniently calibrated to zero by default or directly when mounted to the well cover of the grade surface.

Example 2

Referring to fig. 1, in an embodiment of the present invention, a manhole cover alarm is provided, based on the above embodiment:

in order to facilitate the position of the corresponding well lid of the convenient discernment of the person in charge unit, main control chip 102 still electric connection has positioning module 104, and when main control chip 102 and host computer communication, can directly send the locating information that positioning module 104 generated for the host computer in the lump, when the well lid lost, can retrieve through locating information in addition to reduce property loss. Specifically, the positioning module 104 includes a GPS positioning module or a beidou positioning module, etc., which is not specifically limited herein, but the GPS positioning module is preferably used.

In addition, since the battery 107 has a limited capacity, the battery 107 needs to be replaced periodically, and in order to determine the replacement time, the main control chip 102 is further electrically connected to the capacity detection module 106, so that the capacity information of the battery 107 can be directly transmitted together when the main control chip 102 communicates with the upper computer. During practical application, the well lid alarm can be dormant according to the setting, and then awaken up by using the upper computer, or set the working time of the whole well lid alarm through the upper computer.

Here, for the convenience of simplifying the structure and facilitating the installation, the main control chip 102, the water sensor 103, the positioning module 104, the gravity sensor 105, the power detection module 106 and the communication module 108 are integrally installed on the PCB 101.

Example 3

Referring to fig. 2, a manhole cover alarm system includes: in the embodiment of the cloud platform 200, the client 300, and the alarm described in the above embodiments, the cloud platform 200 is in communication with the client 300 and the alarm, and is configured to store information uploaded by the alarm and forward an operation instruction of the client 300, and the client 300 is configured to display information on the cloud platform 200 and send the operation instruction, where the client 300 may be disposed on a computer or a mobile device such as a mobile phone, and is not limited specifically.

The cloud platform 200 and the client 300 are equivalent to the upper computers described in embodiments 1 to 2.

Example 4

Referring to fig. 3, the present embodiment further discloses a monitoring method of a manhole cover alarm system based on the above embodiments, specifically, the method includes the following steps:

(1) the well lid alarm is arranged in the well lid, the inclination angle change of the well lid is continuously detected through the gravity sensor, and whether the well lid is soaked by water or not is continuously detected through the water immersion sensor;

(2) when the inclination angle changes by 5 degrees beyond a preset value or the probe of the water sensor is soaked by water, the main control chip simultaneously starts the NB-IoT communication module 108 for networking and the GPS positioning module for positioning, after the networking is successful, the main control chip uploads alarm information to the cloud platform through the NB-IoT communication module 108, after the position information is obtained, the main control chip uploads the position information to the cloud platform through the NB-IoT communication module 108 again, and then the NB-IoT communication module 108 and the GPS positioning module are closed;

(3) the electric quantity detection module detects the battery voltage of the manhole cover alarm every 24 hours or all the time (selected by the user according to the setting), and the main control chip uploads the battery voltage data to the cloud platform through the NB-IoT communication module 108;

(4) once the cloud platform receives alarm information, position information or battery voltage data, the information/data are synchronized to the client side in real time, a supervisor unit can check data of all well lid alarms in real time through computer software or the client side and carry out parameter setting on the well lid alarms, the parameter setting comprises correcting and zeroing inclination angle data of the well lid alarms, setting a threshold value of the inclination angle alarms, setting a time interval for working of an electric quantity detection module and the like.

It should be particularly noted that, in this technical scheme, the inclination change of the well lid is continuously detected by using the gravity sensor 105, and for well lids at different road surface slopes, the main control chip can judge whether to alarm or not only by detecting the inclination change value according to the gravity sensor, so as to eliminate the interference of the inclination of the well lid at a larger road surface slope, greatly improve the accuracy of alarm, and avoid false alarm. Simultaneously, the water logging sensor can also monitor whether the water level in the well is effused, can long-rangely look over the information of all well lid alarms on the client, is favorable to the person in charge unit in time to know the particular case and maintain, avoids the inspection shaft to hinder the emergence of people's incident, in addition, if the well lid is lost, then can catch back through the positional information that the well lid alarm uploaded, greatly reduced loss of property.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A well lid alarm, comprising, mounted in a housing (100):

the water sensor (103) is electrically connected with the main control chip (102) and used for sending a signal to the main control chip (102) when the well lid is detected to be soaked by water, and a probe part of the water sensor (103) is embedded on the surface of the shell (100);

the gravity sensor (105) is electrically connected with the main control chip (102) and is used for continuously detecting the inclination angle change of the well lid and sending a signal to the main control chip (102) when the inclination angle change of the well lid exceeds a set threshold value;

the communication module (108) is electrically connected with the main control chip (102) and is used for realizing the communication between the main control chip (102) and the upper computer;

the main control chip (102) is used for controlling the water sensor (103), the gravity sensor (105) and the communication module (108), receiving signals output by the water sensor (103) and the gravity sensor (105) and generating alarm information to an upper computer; the main control chip (102) is also electrically connected with a positioning module (104) for generating the current well lid positioning information;

and the battery (107) is electrically connected with the main control chip (102) and is used for supplying power to the components.

2. A well lid alarm according to claim 1, wherein the communication module (108) is an NB-loT communication module.

3. The well lid alarm device according to claim 1, wherein the main control chip (102) is of the type STM32F103RCT 6.

4. The well lid alarm of claim 1, wherein the positioning module (104) is a GPS positioning module or a beidou positioning module.

5. The well lid alarm device according to claim 1, wherein the main control chip (102) is further electrically connected with an electric quantity detection module (106) for detecting the electric quantity of the battery (107).

6. A well lid alarm system, comprising:

an alarm unit according to any one of claims 1 to 5;

the cloud platform (200) is communicated with the client (300) and the alarm and is used for storing information uploaded by the alarm and forwarding an operation instruction of the client (300);

and the client (300) is used for displaying information on the cloud platform (200) and sending an operation instruction.