CN220490109U - Intelligent data acquisition explosion-proof box for cable intermediate connector - Google Patents

Abstract

The utility model discloses an intelligent data acquisition explosion-proof box for a cable intermediate joint, which comprises a field sensor acquisition module, a field convergence module, a central data server, a central workstation and a mobile terminal, wherein the field sensor acquisition module is connected with the field convergence module, the field convergence module is communicated with the central server through a wireless network, and the central server is communicated with the mobile terminal through the wireless network. The utility model monitors the state of the middle joint of the power cable in an omnibearing manner in real time by adopting the temperature sensor, the water immersion sensor and the vibration sensor, the first micro controller controls the analog-digital conversion circuit to collect the output signal of the temperature sensor and convert the output signal into temperature data in proportion to the unit of the temperature, the output signal of the water immersion sensor is collected and converted into the proportional relation between the water immersion depth and the digital quantity, and the first micro controller collects the output super of the vibration sensor through the data input port.

Description

Intelligent data acquisition explosion-proof box for cable intermediate connector

Technical Field

The utility model relates to the technical field of cable accessories, in particular to an intelligent data acquisition explosion-proof box for a cable intermediate joint.

Background

With the rapid development of urban construction and the comprehensive expansion of urban cable ground engineering, the use amount of pipeline cables is rapidly increased, and the number of cable intermediate connectors is also increased exponentially. The cable middle joint is the weakest link of the cable, the cable middle joint is inevitably used in the long-distance laying process of the cable, the cable is overloaded for a long time in the use process of the cable, the insulating material is aged due to the overhigh temperature, the insulating performance is reduced, and the cable breaks down and ignites; the cable middle joint is not tightly crimped and is not firmly connected, and oxidation occurs in operation; the cable intermediate joint is produced by bad process or damaged crack immersing in moisture, so that the insulation breaks down and the fire explodes. Therefore, the hidden trouble that causes the problem of the cable joint is unavoidable, and the addition of the protection box to the cable intermediate joint is extremely necessary.

The existing explosion-proof box lacks networking capability when in use, and the detection means is single, so that alarm information cannot be remotely transmitted to a user side.

Aiming at the problems, the utility model provides an intelligent data acquisition explosion-proof box with an alarm function for a cable intermediate connector.

Disclosure of Invention

The utility model provides an intelligent data acquisition explosion-proof box with an alarm function for a cable intermediate connector.

The utility model aims to provide an intelligent data acquisition explosion-proof box for a cable intermediate joint, which comprises a field sensor acquisition module, a field convergence module, a central data server, a central workstation, a mobile terminal and a field data acquisition module, wherein the field data acquisition module is connected with the field convergence module, the field convergence module is communicated with the central data server through a wireless network, the central data server is communicated with the mobile terminal through the wireless network, the field convergence module comprises a second micro controller, a second communication module, a two-dimension code identification plate, a battery monitoring module and a wireless communication module, the second micro controller is connected with the two-dimension code identification plate, the wireless communication module and the battery monitoring module, and the battery is connected with the battery monitoring module.

Further, the on-site sensor acquisition module comprises a temperature sensor, a water immersion sensor, a vibration sensor, an analog-digital conversion module, a first micro controller and a first communication module, wherein the temperature sensor, the water immersion sensor and the vibration sensor are all connected with the analog conversion module, the analog-digital conversion module is connected with the first micro controller, and the first micro controller is connected with the first communication module.

The utility model has the following advantages: the utility model monitors the state of the middle joint of the power cable in an omnibearing and real-time way by adopting the temperature sensor, the water immersion sensor and the vibration sensor, acquires the output signal of the temperature sensor by adopting the analog-digital conversion circuit of the first micro-controller, converts the output signal into temperature data in proportion to the unit of the temperature, acquires the output signal of the water immersion sensor, converts the output signal into the proportional relation between the water immersion depth and the digital quantity, acquires the output super of the vibration sensor by adopting the data input port, and judges whether the middle joint of the signal power cable vibrates according to the output signal. According to the utility model, the second microcontroller is used for forming the data push message information from the book information transmitted by the field data acquisition module, the set temperature alarm threshold value, the set water immersion alarm threshold value and the set vibration threshold value, and the data push message information is transmitted to the Internet through the wireless communication module, so that a user can remotely and real-timely acquire the running state of the power cable intermediate connector, namely fault information.

Drawings

FIG. 1 is a schematic block diagram of the present utility model;

in the figure: 1. a first microcontrol; 2. a first communication module; 3. an analog-to-digital conversion module; 4. a two-dimensional code identification plate; 5. a second microcontroller; 6. a battery monitoring module; 7. a temperature sensor; 8. a water immersion sensor; 9. a vibration sensor; 10. a second communication module; 11. a wireless communication module; 12. a battery; 13. the Internet; 14. a central data server; 15. a central workstation; 16. a mobile terminal.

Detailed Description

The utility model aims to provide an intelligent data acquisition explosion-proof box for a cable intermediate joint, which comprises a field sensor acquisition module, a field convergence module, a central data server, a central workstation and a mobile terminal, wherein the field sensor acquisition module is connected with the field convergence module, the field convergence module is communicated with the central data server through a wireless network, the central data server is communicated with the mobile terminal through the wireless network, the field convergence module comprises a second micro controller 5, a second communication module 10, a two-dimension code identification plate 4, a battery 12, a battery monitoring module 6 and a wireless communication module 11, the second micro controller 5 is connected with the two-dimension code identification plate 4, the wireless communication module 11 and the battery monitoring module 6, and the battery 12 is connected with the battery monitoring module 6.

In this embodiment, the on-site sensor acquisition module includes a temperature sensor 7, a water immersion sensor 8, a vibration sensor 9, an analog-digital conversion module 3, a first micro controller 1 and a first communication module 2, where the temperature sensor 7, the water immersion sensor 8 and the vibration sensor 9 are all connected with the analog-digital conversion module 3, the analog-digital conversion module 3 is connected with the first micro controller 1, and the first micro controller 1 is connected with the first communication module 2.

In this embodiment, the temperature sensor 7 is an NTC thermistor or a platinum thermistor, the vibration sensor 9 is a ball or steel ball vibration sensor, and the water immersion sensor 8 is a water immersion sensing rope sensor.

In this embodiment, in order to ensure that the system can work in the field for a long time, a low power consumption mode is adopted, that is, when the system receives a wake-up event, the system is in a power-down sleep state, and once the wake-up event occurs, the system rapidly enters a full-speed working state. The strategy for low power operation of the system is to make the operating state events as few as possible and make the power down sleep time sufficiently long.

In this embodiment, the data represented by the two-dimensional code recognition board 4 is a 32-byte ascii hexadecimal string, and the string uniquely identifies the electronic identity code of the convergence module.

In this embodiment, the battery monitoring module 6 is configured to monitor voltage and power information and temperature information of the battery.

In this embodiment, the first microcontroller 1 collects the output signal of the temperature sensor 7 by controlling the analog-digital conversion module 3, and converts the output signal into temperature information in proportion to the data unit of celsius degrees; the first micro controller 1 collects output signals of the water immersion sensor 8 by controlling the analog-digital conversion module 3 and converts the output signals into a proportional relation between water immersion depth and digital quantity; the first microcontroller 1 collects output signals of the vibration sensor 9 through a data input port, and judges whether the power cable intermediate joint vibrates according to the output signals.

In this embodiment, the second microcontroller 5 forms data push message information with the transmitted data information, the set temperature alarm threshold, the set water immersion alarm threshold and the set vibration alarm threshold, and the data push message information is transmitted to the internet 13 through the wireless communication module 11 and finally sent to the central data server 14 and the mobile terminal 16.

In this embodiment, the first micro controller 1 and the second micro controller 5 both use STC8G1K08 single-chip microcomputer, and the battery uses MP1470 power chip.

In this embodiment, in order to ensure that the system can work for a long time on site, a low power consumption mode is adopted, that is, when the system receives a wake-up event, the system is in a power-down sleep state. Once a wake-up event occurs, the system quickly enters a full-speed operating state. The strategy of the system low power consumption operation is: the full speed operating state is allowed to run as little time as possible while the power down sleep time is allowed to run sufficiently much. The average operating current of the system is equivalent to the sleep current level, mainly for a sleep time long enough. When the system is dormant, only the memory and the wake-up timer of the second controller work, other devices have little leakage, the total average current is at 80uA level, and the 5000mAH battery can work for 50000, namely about 5 years under the condition that the leakage current is 20 uA.

In this embodiment, the alarm device can query and process from the central data server 14, and can form an accident processing work order, the central data server 14 makes data push message information according to the information sent by the field convergence module and the alarm temperature threshold, the water immersion alarm threshold and the vibration alarm threshold set by itself, and sends the message information to the central workstation 15, an operator on duty of the workstation can confirm the information, and after confirming the alarm information, the server software can automatically generate the accident processing work order, and perform field processing through each mobile terminal user.

In this embodiment, the collection modes of the system are divided into active collection and passive collection, and the active collection modes are as follows: the on-site convergence module wakes up itself through the timing dormancy device, and after the convergence module wakes up itself, the on-site convergence module automatically skips the RS485 network to send a wake-up communication data packet to the on-site data acquisition module. And after receiving the communication awakening data sent by the field convergence module, the field acquisition data module restores the main clock, enters a full-speed working state and rapidly completes the temperature data acquisition and the water immersion data acquisition of the cable. The data acquired by the field data acquisition module are firstly stored in the field data acquisition module, and then the data are transmitted to the field convergence module through RS485 communication. The field convergence module can uniformly package the information of all the field data acquisition modules, and the wireless communication module is used for transmitting the information on the Internet at a specific time in a NBIOT or 4G mode. The frequency of uploading the data with the central data server by the field convergence module is that goods are once and more in a day, and each wakeup interval time and data uploading time can be automatically issued by the central data server.

Passive wake-up acquisition mode: if the level mode of a certain vibration sensor 9 changes, the field data acquisition module corresponding to the vibration sensor 9 is actively awakened, the field data acquisition module actively sends a notification information data packet to the field convergence module through the RS485 communication bus, the field convergence module is awakened after receiving the data packet, and the field convergence module enters a working state and rapidly transmits the received awakening data to the central data server 14. If the transmission to the central data server 14 is completed, no new wake-up packet and no timed wake-up event will occur, the site convergence module will enter a power down sleep state again.

Although specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.

Claims (2)

1. The utility model provides an explosion-proof box of cable intermediate head intelligent data acquisition, includes on-the-spot sensor collection module, on-the-spot collection module, center data server, center workstation and mobile terminal, its characterized in that: the field sensor acquisition module is connected with the field convergence module, the field convergence module is communicated with the central data server through a wireless network, the central data server is communicated with the mobile terminal and the center through the wireless network, the field convergence module comprises a second micro-controller, a second communication module, a two-dimension code identification plate, a battery monitoring module and a wireless communication module, the second micro-controller is connected with the two-dimension code identification plate, the wireless communication module and the battery monitoring module, and the battery is connected with the battery monitoring module.

2. The intelligent data acquisition explosion-proof box for a cable intermediate connector as recited in claim 1, wherein: the on-site sensor acquisition module comprises a temperature sensor, a water immersion sensor, a vibration sensor, an analog-digital conversion module, a first micro controller and a first communication module, wherein the temperature sensor, the water immersion sensor and the vibration sensor are all connected with the analog-digital conversion module, the analog-digital conversion module is connected with the first micro controller, and the first micro controller is connected with the first communication module.