CN216061820U - Safety encrypted fire hydrant system - Google Patents

Abstract

The utility model discloses a safe encrypted fire hydrant system which comprises a south information acquisition subsystem and a north application cloud platform, wherein the south information acquisition subsystem is an intelligent terminal fixed on a fire hydrant main body and comprises a power supply module, an MCU (microprogrammed control Unit) control module, an encryption and decryption module, a signature authentication module, a wireless communication module, a positioning module, a storage module and an intelligent sensor module, the MCU control module is electrically connected with the wireless communication module, the intelligent sensor module, the positioning module and the storage module, the storage module is communicated with the intelligent sensor module through I2C, the wireless communication module is electrically connected with the storage module through the signature authentication module and the encryption and decryption module, and the MCU control module controls all modules in the intelligent terminal to work. The fire hydrant system disclosed by the utility model not only can collect and transmit data in real time, but also introduces a digital authentication mechanism, an identity authentication mechanism and a check and verification mechanism, can encrypt and decrypt uplink and downlink data, and reduces the information leakage risk caused by data sniffing in the information plaintext transmission process.

Description

Safety encrypted fire hydrant system

Technical Field

The utility model relates to the technologies of wireless communication, lightweight encryption algorithm, GPS/BEIDOU positioning, information safety, intelligent sensing and the like and the field of emergency fire fighting, in particular to a safety encrypted fire hydrant system in the field, which is a fire rescue system with high safety guarantee and can monitor the water pressure of a municipal water pipe network and the states (water pressure, position, whether the fire hydrant is collided, inclined, uncovered, water leakage and the like) of the fire hydrant in real time.

Background

The fire hydrant is used as an important part of smart city infrastructure construction, the importance of the fire hydrant is gradually highlighted, but the traditional problems of untimely fire hydrant routing inspection, water stealing and leakage, damage in different degrees and the like are still rare. Present wisdom fire hydrant is based on changing not unidimensional fire hydrant cap or stifle and realizes hydraulic collection and the wireless transmission of data, still can not fix a position the concrete position of fire hydrant, hardly improves the fire control efficiency that available water source was look for in the fire control, has brought the hidden danger of information leakage even still for municipal water pipe network. The distribution state of the underground water pipe network is as important as the internet, people are concerned about life and property safety, and once the underground water pipe network is attacked maliciously, a large amount of manpower and material resources are needed to make up for loss. Therefore, a safety fire hydrant system which has wireless data transmission, navigation and positioning and can resist network attacks is needed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a safe encrypted fire hydrant system which has the functions of sensing data acquisition, remote monitoring and wireless communication transmission, integrates the GPS/BEIDOU global positioning and information encryption functions, can position the position of the fire hydrant in real time and ensures that only trusted personnel can use the fire hydrant system.

In order to solve the technical problems, the utility model adopts the following technical scheme:

in a secure, encrypted fire hydrant system, the improvement comprising: the intelligent fire hydrant system comprises a south information acquisition subsystem and a north application cloud platform, wherein the south information acquisition subsystem is a smart terminal fixed on a fire hydrant main body and comprises a power supply module, an MCU (microprogrammed control Unit) control module, an encryption and decryption module, a signature authentication module, a wireless communication module, a positioning module, a storage module and an intelligent sensor module, wherein the MCU control module is electrically connected with the wireless communication module, the intelligent sensor module, the positioning module and the storage module, the storage module is communicated with the intelligent sensor module through I2C, the wireless communication module is electrically connected with the storage module through the signature authentication module and the encryption and decryption module, the MCU control module controls all modules in the smart terminal to work, and the power supply module supplies power to all modules in the smart terminal; the northbound application cloud platform comprises a signature authentication module, a key management module, an encryption and decryption module, and a user and terminal management module; and the southbound information acquisition subsystem and the northbound application cloud platform are in wireless communication through the operator base station.

Further, the intelligent terminal adopts the knapsack form.

Furthermore, the power supply module adopts a lithium sub-battery for power supply and is matched with an NB-IoT low-power consumption technology.

Further, the wireless communication module employs NB-IoT communication technology.

Furthermore, the positioning module is a dual-mode positioning module L76-LB, which integrates two positioning modes of GPS and BEIDOU inside and simultaneously searches two navigation galaxies of GPS and BEIDOU.

Furthermore, the intelligent sensor module comprises a water pressure detection module, a three-axis acceleration detection module, a knocking vibration detection module and a voltage monitoring submodule, and the voltage monitoring submodule is electrically connected with the power supply module.

Further, the system embeds information security encryption technology, a session access mechanism is established among the terminal, the platform and the server through an authorized access mechanism of digital authentication and identity authentication, and a secure communication link is established between a system platform layer and a network layer.

The utility model has the beneficial effects that:

the safe encrypted fire hydrant system disclosed by the utility model can collect and transmit data in real time, and also introduces a digital authentication mechanism, an identity authentication mechanism and a check and verification mechanism, can encrypt and decrypt uplink and downlink data, establishes online and offline seamless 'digital trust', reduces information leakage risks caused by data sniffing in the information plaintext transmission process, and better ensures all-weather uninterrupted safe operation of platforms and terminal services.

The safe encrypted fire hydrant system disclosed by the utility model can be embedded with an encryption authentication and authorization access mechanism besides data acquisition, storage and transmission, and a session access mechanism is established between the terminal, the platform and the server through digital authentication and identity authentication, and a safe communication link is established between a system platform layer and a network layer, so that malicious man-in-the-middle service attack is reduced. The management loophole that the municipal fire hydrant system lacks effective management and safety certification mechanism is made up, through carrying out identity authentication certification to the user, encrypting and decrypting the transmission data, not only the management efficiency of water department, the availability factor of fire department have been improved, still effectual security and the reliability of guaranteeing the municipal fire hydrant, further the security of the lives and property of residents.

The safety encrypted fire hydrant system disclosed by the utility model ensures the service life of a fire hydrant scene battery by utilizing the characteristics of low power consumption and large connection of NB-IoT; the embedded intelligent sensor module and the GPS/BEIDOU positioning module can realize visual management of an underground water service pipe network, monitor longitude and latitude and state information of the fire hydrant in real time, visually acquire urban underground pipe network layout and water pressure weak point distribution, effectively find safety problems of the fire hydrant, provide real and reliable fire hydrant distribution for water service and fire departments, reduce operation and maintenance cost and improve fire fighting water use efficiency; by adopting safety mechanisms such as digital signature and verification, the method not only can ensure the undistorted transmission of the data, but also can ensure that the file is not tampered, and can ensure the integrity and the accuracy of the remote wireless communication data of the fire hydrant.

Drawings

FIG. 1 is a block diagram showing the components of a fire hydrant system according to embodiment 1 of the present invention;

fig. 2 is a schematic external view of an intelligent terminal in the fire hydrant system according to embodiment 1 of the present invention;

fig. 3 is a schematic view illustrating an installation effect of the intelligent terminal in the fire hydrant system according to embodiment 1 of the present invention;

fig. 4 is a schematic circuit diagram of an MCU control module in the intelligent terminal of the fire hydrant system disclosed in embodiment 1 of the present invention;

fig. 5 is a schematic circuit diagram of a wireless communication module in the intelligent terminal of the fire hydrant system according to embodiment 1 of the present invention;

fig. 6 is a schematic circuit diagram of a positioning module in an intelligent terminal of a fire hydrant system according to embodiment 1 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The embodiment 1 discloses a safety encryption fire hydrant system, which organically integrates a fire hydrant acquisition system, an information transmission system, an encryption system and a cloud service processing system aiming at the hidden danger of platform layer and network layer data leakage and the safety loophole of malicious access of a non-trust server existing in the existing fire hydrant system. The system comprises the functions of personnel authentication management, equipment registration management, information encryption and decryption service, terminal state monitoring and the like, can solve the problems of single function, lack of intelligent sensing acquisition and control and faced safety of the current fire hydrant, and makes up the defect that the municipal fire hydrant cannot be intelligently and finely controlled. As shown in fig. 1, the system is divided into a southbound information collection subsystem 1 and a northbound application cloud platform 2 based on the technical means of internet of things, big data, information security encryption, cloud service, wireless communication and the like, wherein southward information acquisition subsystem fixes the wisdom terminal in the fire hydrant main part, including power supply module 11, MCU control module 12, encryption/decryption module 13, signature authentication module 14, wireless communication module 15, orientation module 16, storage module 17, intelligent sensor module 18, MCU control module and wireless communication module, intelligent sensor module, orientation module, the storage module electricity is connected, storage module and intelligent sensor module pass through I2C communication, wireless communication module passes through signature authentication module and encryption/decryption module and is connected with the storage module electricity, each module work in the wisdom terminal of MCU control module control, power supply module is each module power supply in the wisdom terminal. The northbound application cloud platform comprises a signature authentication module 21, a key management module 22, an encryption and decryption module 23 and a user and terminal management module 24. The terminal management module is used for registering the intelligent terminal equipment, the application cloud records the ID number of each equipment, then the key distribution module is used for creating an initialization key corresponding to the ID number by using the parameters of the ID numbers, and the secret key is stored in the key management module and the storage module of the intelligent terminal. The platform function is mainly used for user authorization authentication and intelligent terminal registration management, intelligent terminal state (inclination early warning, water pressure early warning, map positioning display and the like) is checked in real time, remote firmware is upgraded and the like, so that remote supervision of a water management department on municipal fire hydrants is realized, the water pressure state is monitored in real time, monthly analysis is performed, behaviors such as illegal water stealing and water consumption, malicious damage and the like are monitored and analyzed in real time, and once the fire hydrants are abnormal, operation and maintenance personnel can be remotely trusted to maintain. The southbound information collection subsystem 1 and the northbound application cloud platform 2 are in wireless communication through the operator base station 3.

As shown in fig. 2, the smart terminal takes the form of a backpack. FIG. 3 is a schematic diagram illustrating the effect of the intelligent terminal installed on the hydrant main body; fig. 4 is a circuit schematic of the MCU control module. The power supply module adopts a lithium sub-battery for power supply and is matched with an NB-IoT low-power consumption technology, the discharge is lasting, and the intelligent terminal can continuously work for 5-8 years in a normal state. Fig. 5 is a circuit diagram of a wireless communication module employing NB-IoT communication technology. FIG. 6 is a schematic circuit diagram of a positioning module, which is a dual-mode positioning module L76-LB, and which integrates two positioning modes of GPS and BEIDOU inside, and simultaneously searches two navigation galaxies of GPS and BEIDOU. The intelligent sensor module comprises a water pressure detection submodule, a triaxial acceleration detection submodule, a knocking vibration detection submodule and a voltage monitoring submodule, and the voltage monitoring submodule is electrically connected with the power supply module. The system embeds information security encryption technology, establishes a session access mechanism among a terminal, a platform and a server through an authorized access mechanism of digital authentication and identity authentication, and establishes a secure communication link between a system platform layer and a network layer.

In order to identify the validity of the access terminal, the application cloud needs to pre-configure a registration packet (IMEI, device name, protocol type, etc.) of the terminal on the platform, and then the platform assigns a specific ID to the terminal. Therefore, before the terminal accesses the platform, the device needs to be created on the platform, and after the device is connected with the platform, the terminal information needs to be reported for identity recognition, and then communication can be performed. The wireless communication module adopts NB-IoT communication technology and communicates with the base station through the operator Internet of things card. The wireless communication module transmits the data collected by the packaged sensor, before transmission, the data encryption and decryption module and the signature authentication module perform authentication encryption on the sensing data without frame headers and checksums in the data packets, after encryption is completed, check codes are added to the checksums of the data packets, after the data packets are combined into a complete data packet, the uplink encrypted data are sent to the server through the wireless communication module, and the encryption key used in the process is the key corresponding to the terminal ID stored in the sensing data head in the intelligent terminal storage module.

The application cloud accesses the server through a TCP/IP protocol, after the server receives encrypted data uploaded by the southbound subsystem, the signature authentication module inquires a secret key corresponding to a terminal ID number in the data header through the secret key management module, then judges the data by using the ID and the secret key, firstly judges whether the data frame header is correct, carries out the next verification operation if the data frame header is correct, otherwise returns a response message for discarding the frame header, the verification operation is to verify the parts except the frame header and the checksum, compares the obtained verification code with the verification code of the original data, carries out the next decryption operation if the verification code is the same, and otherwise returns a response message for discarding the verification code. The encryption and decryption module decrypts the data by using the same key and then sends the decrypted original data to the terminal management subsystem and the data storage module. The terminal management subsystem displays data information belonging to the terminal management subsystem in different categories on different service subsystems of the application cloud platform according to the ID number of the terminal management subsystem, wherein the data information comprises a terminal, a user, a map display interface, a fire hydrant position positioning interface and fire hydrant state information (inclination angle, water pressure, voltage, longitude and latitude, impact and the like), and the different types of information are analyzed and processed by the server and then assembled on the same dynamic three-dimensional electronic map of the platform. When the fire hydrant abnormal alarm happens, the fire hydrant will start to jump and flash on the map, background personnel only need click the flashing fire hydrant can pop out detailed alarm information of the fire hydrant for a management department to check, then click the registered operation and maintenance personnel of the fire hydrant in the pop-up window, the operation and maintenance personnel can be informed through effective means such as WeChat applet APP pop-up window/short message reminding and the like to realize remote order dispatching, the operation and maintenance personnel find the fire hydrant to maintain according to the position information of the fire hydrant, and the processing result is fed back to the platform to alarm, after the fire extinguishing operation is completed, the fire hydrant will stop jumping and flashing on the electronic map, the red warning lamp before the alarm information becomes green, so far, the monitoring and management of a round of intelligent fire hydrant are completed: abnormal alarm-receiving alarm-dispatching order-maintaining alarm-eliminating alarm-recovering normal.

Claims (7)

1. A secure encrypted fire hydrant system, comprising: the intelligent fire hydrant system comprises a south information acquisition subsystem and a north application cloud platform, wherein the south information acquisition subsystem is a smart terminal fixed on a fire hydrant main body and comprises a power supply module, an MCU (microprogrammed control Unit) control module, an encryption and decryption module, a signature authentication module, a wireless communication module, a positioning module, a storage module and an intelligent sensor module, wherein the MCU control module is electrically connected with the wireless communication module, the intelligent sensor module, the positioning module and the storage module, the storage module is communicated with the intelligent sensor module through I2C, the wireless communication module is electrically connected with the storage module through the signature authentication module and the encryption and decryption module, the MCU control module controls all modules in the smart terminal to work, and the power supply module supplies power to all modules in the smart terminal; the northbound application cloud platform comprises a signature authentication module, a key management module, an encryption and decryption module, and a user and terminal management module; and the southbound information acquisition subsystem and the northbound application cloud platform are in wireless communication through the operator base station.

2. The secure encrypted fire hydrant system according to claim 1, wherein: the intelligent terminal adopts the knapsack form.

3. The secure encrypted fire hydrant system according to claim 1, wherein: the power supply module adopts a lithium sub-battery to supply power and is matched with an NB-IoT low-power consumption technology.

4. The secure encrypted fire hydrant system according to claim 1, wherein: the wireless communication module employs NB-IoT communication technology.

5. The secure encrypted fire hydrant system according to claim 1, wherein: the positioning module is a dual-mode positioning module L76-LB, two positioning modes of GPS and BEIDOU are integrated in the module, and two navigation galaxies of GPS and BEIDOU are searched simultaneously.

6. The secure encrypted fire hydrant system according to claim 1, wherein: the intelligent sensor module comprises a water pressure detection submodule, a triaxial acceleration detection submodule, a knocking vibration detection submodule and a voltage monitoring submodule, and the voltage monitoring submodule is electrically connected with the power supply module.

7. The secure encrypted fire hydrant system according to claim 1, wherein: the system embeds information security encryption technology, establishes a session access mechanism among a terminal, a platform and a server through an authorized access mechanism of digital authentication and identity authentication, and establishes a secure communication link between a system platform layer and a network layer.

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