CN103473867A - Well lid loss warning and wireless alarming system - Google Patents

Abstract

A manhole cover missing warning and wireless alarm system, including a computer monitoring terminal, a plurality of wireless repeaters and a plurality of manhole cover missing alarm devices; the computer monitoring terminal transmits data through a wireless interface and a wireless repeater, and receives each manhole cover missing alarm device information, and display the state of the manhole cover on the computer screen; the wireless repeater is responsible for sending and receiving the information of the nearby manhole cover missing alarm device to the computer monitoring terminal, so as to avoid the blind area that the manhole cover missing alarm device cannot detect; the manhole cover missing alarm device includes Battery, voltage control switch, central processor board, wireless alarm transmission device, warning system and sound and light alarm device; when the manhole cover is missing, the system can pop up warning signs around the manhole cover and send out sound and light alarm, timely warning passers-by and vehicles , Try to avoid the occurrence of falling well accidents; at the same time, send the information of missing manhole covers to the city management center in time through electronic detection technology and radio communication.

Description

Manhole cover missing warning and wireless alarm system

technical field

The invention relates to an alarm system, in particular to a warning and wireless alarm system for lack of well covers.

Background technique

At present, manhole covers in the city include manhole covers for sewage, rainwater and street lamps managed by municipal departments, as well as manhole covers for power supply, communication, etc., which are under the jurisdiction of about 15 units. Due to the large number of manhole covers and many departments in charge, the lack of manhole covers has not been timely It is not uncommon to repair or issue warnings that cause casualties and injuries. For this reason, how to effectively manage all manhole covers on the road surface so that warning signs can pop up and flash around the manhole covers when they are missing, and timely warn passers-by and vehicles. The occurrence of falling well accidents has become an urgent problem for governments at all levels and departments to solve; for this reason, there are many inventions and creations in this area, but most of them have single functions, such as: some are only for a single stolen or missing alarm device, and there are many Only finding stolen or missing, without warning function device, etc., can not meet the needs of people's safe production and travel.

Contents of the invention

The purpose of the present invention is to provide a missing manhole cover warning and wireless alarm system. When the manhole cover is missing, the manhole cover missing warning and wireless alarm system can pop up warning signs around the manhole cover and send out sound and light alarms to timely warn passers-by and vehicles. Try to avoid the occurrence of falling well accidents; at the same time, through electronic detection technology and radio communication, the serial number, location, model and the management department of the missing manhole cover are sent to the management center of the municipal department in time, so that the manhole cover can be replenished and repaired in time. Help the government's municipal departments to effectively manage all manhole covers on the road.

In order to solve the above technical problems, the technical solution adopted by the present invention is: a missing manhole cover warning and wireless alarm system, including a computer monitoring terminal, n wireless repeaters and m manhole cover missing alarm devices;

The computer monitoring terminal performs data transmission through a wireless interface and n wireless repeaters, receives information from m manhole cover missing alarm devices, and displays the state of the manhole cover on the computer screen;

Described wireless repeater comprises wireless repeater processor, wireless repeater power supply, wireless repeater GPRS module, wireless repeater GPRS antenna, wireless radio frequency transceiver module and radio frequency transceiver module antenna; Wireless repeater passes wireless The radio frequency transceiver module and the radio frequency transceiver module antenna send and receive the information of the nearby manhole cover missing alarm device, and then send it to the computer monitoring terminal through the wireless repeater GPRS module and the wireless repeater GPRS antenna;

The missing manhole cover alarm device is a kind of alarm device installed under the manhole cover, including a battery, a voltage control switch, a central processing unit (CPU) board, a wireless alarm transmission device composed of a radio frequency, a radio frequency antenna, a GPS module, and a GPS antenna , warning system and sound and light alarm device;

The battery provides basic electric energy for the system, and provides the ability to send out sound and light alarm information when the manhole cover is missing; the voltage control switch is a trigger switch to detect whether the manhole cover is missing, and the manhole cover is missing or the manhole cover is unbalanced. Down, the switch is turned on to supply power to the entire manhole cover missing alarm device;

The central processing unit CPU board is the core of the entire manhole cover missing alarm device. It is responsible for detecting the state of the manhole cover when the power is turned on, and sends the information of the manhole cover to the wireless repeater through the radio frequency and radio frequency antenna, and the relay wireless relay The device will send the received information to the computer monitoring terminal, so that the computer monitoring terminal can keep abreast of the state information of the manhole cover;

The wireless radio frequency and radio frequency antenna are the channel for the system to communicate with the wireless repeater under the condition of power on, and the channel for sending the status information of the manhole cover;

The GPS module and the GPS antenna are modules for receiving GPS information, which can receive the current latitude and longitude of the manhole cover in order to know the specific location of the manhole cover;

The warning system and the sound and light alarm device are automatically popped up and energized when the manhole cover is uncovered, and a warning and sound and light alarm are issued to prompt passers-by and vehicles to avoid moving forward. The value ranges of n and m are: n is any integer greater than 1 and less than 1000, and m is any integer greater than 1 and less than 10000.

Its further technical solution is: the missing manhole cover alarm device also includes a sound alarm switch for closing. The sound alarm switch for closing is a switch for temporarily closing the sound alarm. After the sound alarm is turned off, it will automatically re-alarm after the set time.

Its further technical solution is: the sound and light alarm device is composed of a light alarm rod I, a light alarm rod II, a light alarm rod III, a light alarm rod IV and a buzzer.

Its further technical solution is: the warning system is an independent warning system or an audible and visual warning device combined with an audible and visual warning device.

The manhole cover missing warning and wireless alarm system of the present invention has the following advantages and effects:

1. The missing information of the manhole cover is grasped at the first time:

The manhole cover missing warning and wireless alarm system of the present invention can enable management personnel to grasp information such as the manhole cover missing state and geographical location at the first time, and can arrive at the processing site at the first time, avoiding unnecessary troubles.

2. Easy to use:

The manhole cover missing warning and wireless alarm system of the present invention does not need manual operation. As long as the manhole cover is opened, the warning and early warning function can be realized, and the sound and light alarm can be issued. Stop the sound alarm (the warning bar does not stop flashing warning), and the sound alarm will automatically resume after the set time under the condition that the manhole cover is not covered.

3. Safe and reliable:

Since the warning system pops up when the manhole cover is missing, and it is accompanied by sound and light alarms, it reminds pedestrians and vehicles to avoid avoiding, thereby avoiding unnecessary losses.

4. It is convenient to manage the existing manhole covers in the whole city or in a certain area:

In the manhole cover missing warning and wireless alarm system of the present invention, the computer monitoring terminal I can be a computer with data processing and receiving functions; it is installed in the duty room of the municipal competent department, and the wireless repeater II is composed of a wireless transceiver module and a GPRS module. Mains power supply is adopted, and the wireless transceiver module receives the missing information of the manhole cover in the jurisdiction through wireless sending and receiving, and then sends the information of the missing manhole cover to the computer terminal through the GPRS module; the wireless repeater II is installed in the area where there may be manhole covers in the city, m manhole cover missing alarm devices III are respectively installed under the manhole cover, regardless of the structure, material, shape and size of the manhole cover, and the existing manhole covers in the whole city or a certain area can be managed uniformly without any modification of the manhole covers.

Below, the technical features and beneficial effects of the missing manhole cover warning and wireless alarm system of the present invention will be further described in conjunction with the drawings and embodiments.

Description of drawings

Fig. 1: Structure block diagram of manhole cover missing warning and wireless alarm system of the present invention;

Figure 2: A block diagram of the structure and connection relationship of the missing manhole cover warning and wireless alarm system and the manhole cover missing alarm device of the present invention;

Fig. 3: The structure and functional block diagram of the wireless repeater of the manhole cover missing warning and wireless alarm system of the present invention.

In the picture:

Ⅰ-computer monitoring terminal, Ⅱ-wireless repeater, Ⅲ-manhole cover missing alarm device; ⅢA-wireless alarm transmission device, ⅢB-sound and light alarm and warning system;

1-battery, 2-voltage control switch, 4-central processing unit (CPU) board, 5-radio frequency, 6-radio frequency antenna, 7-GPS module, 8-GPS antenna, 9-warning system, 10-light alarm bar Ⅰ, 11-light alarm rod Ⅱ, 12-light alarm rod Ⅲ, 13-light alarm rod Ⅳ;

14-wireless repeater processor, 15-wireless repeater power supply, 16-wireless repeater GPRS module, 17-wireless repeater GPRS antenna, 18-wireless radio frequency transceiver module, 19-radio frequency transceiver module antenna;

PC terminal - that is: computer monitoring terminal.

Detailed ways

A manhole cover missing warning and wireless alarm system, as shown in Figure 1, the manhole cover missing warning and wireless alarm system includes a computer monitoring terminal I, n wireless repeaters II and m manhole cover missing alarm devices III;

The computer monitoring terminal I performs data transmission with n wireless repeaters II through a wireless interface, receives information from m manhole cover missing alarm devices III, including geographical information and the state of manhole covers, and displays them on the computer screen;

The wireless repeater II includes a wireless repeater processor 14, a wireless repeater power supply 15, a wireless repeater GPRS module 16, a wireless repeater GPRS antenna 17, a wireless radio frequency transceiver module 18, and a radio frequency transceiver module antenna 19 The wireless repeater II transmits and receives the information of the nearby manhole cover missing alarm device III through the wireless radio frequency transceiver module 18 and the radio frequency transceiver module antenna 19, and then sends it to the computer for monitoring through the wireless repeater GPRS module 16 and the wireless repeater GPRS antenna 17 Terminal I (see Figure 3);

Described manhole cover missing warning device III comprises battery 1, voltage control switch 2, central processing unit (CPU) board 4, is made up of wireless radio frequency 5, radio frequency antenna 6, GPS module 7 and GPS antenna 8 wireless alarm transmission device, warning system 9 and sound and light alarm devices 10, 11, 12, 13 (see Fig. 2);

The battery 1 provides basic electric energy for the system, and provides the ability to send out sound and light alarm information when the manhole cover is missing; the voltage control switch 2 is a trigger switch to detect whether the manhole cover is missing, and the manhole cover is missing or the manhole cover is placed unbalanced Under certain conditions, the switch is turned on to supply power to the entire manhole cover missing alarm device III;

The central processing unit CPU board 4 is the core of the entire manhole cover missing alarm device III, which is responsible for detecting the state of the manhole cover when the power is turned on, and sends the information of the manhole cover to the wireless repeater II through the radio frequency 5 and the radio frequency antenna 6. The wireless repeater II will send the received information to the computer monitoring terminal I, so that the computer monitoring terminal I can keep abreast of the state information of the manhole cover;

The radio frequency 5 and the radio frequency antenna 6 are the channel for the system to communicate with the wireless repeater II under the condition of power on, and the channel for sending the status information of the manhole cover;

GPS module 7 and GPS antenna 8 are modules for receiving GPS information, which can receive the current latitude and longitude of the manhole cover, so as to know the specific position of the manhole cover; (11), the light alarm rod III (12) and the light alarm rod IV (13) constitute the sound and light alarm device. When the manhole cover is uncovered, it will automatically pop up and be powered on, giving a warning and sound and light alarm to remind passers-by and The vehicle pays attention to avoiding and moving forward. The value range of n and m is: n is any integer greater than 1 and less than 1000, and m is any integer greater than 1 and less than 10000.

In the manhole cover missing warning and wireless alarm system of the present invention, the computer monitoring terminal I can use a computer with data processing, receiving and display functions; it can be installed in the duty room of the municipal competent department; the wireless repeater processor of the wireless repeater II 14 adopts high-speed ARM Cotex M3 core processor, wireless repeater power supply 15 adopts 220v AC power and outputs a stable 5v DC power supply module after full-bridge rectification and voltage stabilization, and wireless repeater GPRS module 16 adopts GPRS remote transmission technology for long-distance control The data is transmitted to the computer terminal. The wireless repeater GPRS antenna 17 adopts a high-gain antenna to make the data transmission distance farther. The wireless radio frequency transceiver module 18 adopts a serial port TTL level mode to connect with the wireless repeater processor. 433MHz high-gain SMA interface suction cup antenna constitutes a repeater; in this way, the wireless repeater II can realize data communication with the computer monitoring terminal through GPRS, and perform data link with the manhole cover alarm device through wireless, and play the role of relay .

The wireless repeater II is installed in the area where there may be manhole covers in the whole city, and one is installed every 1 square kilometer. The m number of manhole cover missing alarm devices III are respectively installed under the manhole cover, and its electrical part is installed in the electrical control box. The system is installed on a mount or directly on the shaft wall.

The acousto-optic alarm sent by the acousto-optic alarm device includes the alarm light emitting or flashing and the alarm sound, such as the sound of a buzzer, which is a known technology and will not be repeated here.

As a transformation of the embodiment of the present invention, the missing manhole cover warning device III of the manhole cover missing warning and wireless alarm system of the present invention also includes a sound alarm switch 3 for closing, and the sound alarm switch 3 for closing is a switch for temporarily closing the sound alarm. After the sound alarm is turned off, it will automatically re-alarm after half an hour after the set time. The function of this sound alarm switch is to facilitate maintenance of the manhole cover equipment maintenance personnel and avoid annoying sound alarms; at the same time, use this to turn off When the sound alarm switch is on 3, during this period the central processing unit (CPU) board 4 will send the construction in progress information to the relay wireless repeater II, and then send it to the computer monitoring terminal I through the wireless repeater II to inform the municipal personnel on duty at this time It is the maintenance state, not the lack of the manhole cover, and there is no need to send people to supplement the manhole cover. As a transformation of the embodiment of the present invention, the time for setting the automatic re-alarm is determined according to the needs, generally about 0.5 hours to 1 hour.

In each embodiment of the present invention, the acousto-optic alarm issued by the acousto-optic alarm device includes the alarm light emitting or flashing and the alarm sound, such as the sound of a buzzer, which is a known technology and will not be repeated here.

Claims (4)

1. a manhole cover loss is warned and wireless alarm system, it is characterized in that: this manhole cover loss warning and wireless alarm system comprise computer monitoring terminal (I), a n wireless repeater (II) and m manhole cover loss warning device (III);

Described computer monitoring terminal (I) is carried out data transmission by wave point mode and n wireless repeater (II), receives the information of m manhole cover loss warning device (III), and shows the state of well lid on computer screen;

Described wireless repeater (II) comprises wireless repeater processor (14), wireless repeater power supply (15), wireless repeater GPRS communication module (16), wireless repeater GPRS communication antenna (17), radio frequency transceiving module (18) and radio-frequency (RF) receiving and transmission module antenna (19); Wireless repeater (II), by near the information of the manhole cover loss warning device (III) radio frequency transceiving module (18) and radio-frequency (RF) receiving and transmission module antenna (19) transmitting-receiving, is then issued computer monitoring terminal (I) by wireless repeater GPRS module (16) and wireless repeater GPRS antenna (17);

Described manhole cover loss warning device (III) is mounted in a kind of warning device below well lid, comprise battery (1), votage control switch (2), central processing unit (CPU) plate (4), by less radio-frequency (5), radio-frequency antenna (6), GPS module (7), the radio alarming conveyer that gps antenna (8) forms, caution system (9) and acoustic-optic alarm;

Described battery (1) provides basic electric energy for system, in the situation that manhole cover loss provides, sends the sound and light alarm information capability; Described votage control switch (2) is to detect the trigger switch whether well lid lacks, and at manhole cover loss, or well lid places under unbalanced condition, and switch opens is given whole manhole cover loss warning device (III) powered operation;

Central processor CPU plate (4) is the core of whole manhole cover loss warning device (III), be responsible for detecting the state of well lid under the state of power connection, and the information exchange of well lid is crossed to less radio-frequency (5) and radio-frequency antenna (6) sends to wireless repeater (II), relay wireless repeater (II) can be issued computer monitoring terminal (I) to the information of receiving, so that computer monitoring terminal (I) is understood the status information of well lid in time;

Less radio-frequency (5) is the passage that system is communicated by letter with wireless repeater (II) under the condition of energising with radio-frequency antenna (6), sends the passage of well lid status information;

GPS module (7) and gps antenna (8) are the modules that receives GPS information, can receive the current longitude and latitude of well lid, in order to understand the particular location of well lid;

Described caution system (9) and acoustic-optic alarm are in the situation that well lid is automatically upspring and switches on opening, send the warning and and sound and light alarm, pointing out passerby and vehicle to note dodging moves ahead, the span of n and m is: n is greater than 1 arbitrary integer be less than between 1000, and m is greater than 1 arbitrary integer be less than between 10000.

2. manhole cover loss according to claim 1 is warned and wireless alarm system, it is characterized in that: described manhole cover loss warning device (III) also comprises that is closed an audible alarm switch (3), describedly close the switch that audible alarm switch (3) is a Temporarily Closed audible alarm, the audible alarm after being closed can be reported to the police after crossing setting-up time automatically again.

3. manhole cover loss according to claim 1 is warned and wireless alarm system, it is characterized in that: described acoustic-optic alarm is by light warning rod I (10), light warning rod II (11), light warning rod III (12), light warning rod IV (13) and hummer formation.

4. manhole cover loss according to claim 1 is warned and wireless alarm system, and it is characterized in that: described caution system (9) is independent caution system or the sound and light alarm alarming device merged into a single whole with acoustic-optic alarm.

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