CN116436946A - A hydrogen energy vehicle safety information intelligent network connection system - Google Patents

Abstract

The invention discloses a hydrogen energy automobile safety information intelligent network connection system, which relates to the technical field of intelligent network connection, and comprises the following components: the system comprises a hydrogen sensor, data transmission equipment, a positioning module and an intelligent networking platform. And a hydrogen sensor and a data transmission device with functions are arranged below the automobile rear seat. When the hydrogen leakage occurs in the hydrogen energy automobile, the hydrogen sensor can transmit concentration data to the intelligent network connection platform in a wireless mode through the data transmission equipment. The data transmission equipment with the positioning function can cooperate with the platform to alarm and simultaneously transmit positioning information. The travel track of each vehicle can be monitored in a monitor screen, and the monitoring screen responds when hydrogen leakage occurs.

Description

A hydrogen energy vehicle safety information intelligent network connection system

technical field

The invention relates to the technical field of intelligent network connection, in particular to a hydrogen energy vehicle safety information intelligent network connection system.

Background technique

Hydrogen energy is currently the cleanest, most efficient, and abundant energy known to mankind. With the continuous advancement of science and technology, people use hydrogen energy more and more widely, and hydrogen energy vehicles are born from this. However, hydrogen energy has certain risks in all aspects of production, transportation, and application. Most of the accidents are caused by hydrogen leakage, and due to the characteristics of hydrogen, there are also disadvantages such as early combustion, tempering, and deflagration of hydrogen internal combustion engines. , At the same time, high concentrations of hydrogen will suffocate people. Once hydrogen energy vehicles leak hydrogen, the consequences will be disastrous.

Nowadays, domestic hydrogen fuel cell vehicle companies, such as Feichi Automobile, Yutong Bus, SAIC Maxus, etc., generally use relatively mature resistive semiconductor sensors for the hydrogen gas detection devices used in their hydrogen fuel cell vehicles. Internationally, the famous American NTMSensor company has been Committed to the research of ceramic SenseH2 sensor. However, the domestic development of the integrated hydrogen monitoring and alarm system based on the Internet of Things is still insufficient, mainly in the following aspects:

1. The design of foreign monitoring systems is expensive, and the cost of direct reference is too high. At the same time, it is also limited by the installation and application environment, operating environment conditions and technical level, which makes foreign technology have obvious shortcomings in terms of price and after-sales service.

2. The domestic hydrogen monitoring instrument industry is dominated by the production of general instruments, and the development and production of systematic and integrated monitoring instruments are not enough. Each measurement parameter exists independently and has no reference.

3. The application of Internet of Things technology in domestic hydrogen fuel vehicle hydrogen leakage monitoring is not mature enough. The monitoring of hydrogen energy vehicle hydrogen can only be reflected on the car's own screen, and cannot transmit information to a large database, and cannot realize the safety of hydrogen fuel vehicles. remote monitoring and control of

Therefore, it is of great engineering significance to provide a solution suitable for detecting the hydrogen leakage concentration of hydrogen energy vehicles and the temperature and concentration of the surrounding environment, locating and enabling timely rescue.

Contents of the invention

In order to overcome the above-mentioned defects in the prior art, the present invention provides a hydrogen energy vehicle safety information intelligent networking system, which solves the problems of untimely detection of hydrogen leakage of hydrogen energy vehicles and difficulties in rescue positioning.

To achieve the above object, the present invention adopts the following technical solutions, including:

An intelligent network connection system for hydrogen energy vehicle safety information, including: a hydrogen sensor, data transmission equipment, and an intelligent network connection platform;

The hydrogen sensor is connected to the data transmission device; the data transmission device is wirelessly connected to the intelligent network platform;

The hydrogen sensor is used to detect the concentration of temperature, humidity and hydrogen in the environment to be tested; the data transmission equipment module is used to transfer the data detected by the hydrogen sensor to the intelligent network platform; the intelligent network platform is used to The detected data is analyzed.

Preferably, the hydrogen sensor is a humidity, temperature and concentration detection module.

Preferably, a positioning module is installed in the data transmission device; the data transmission device transmits the positioning information of the positioning module and the data received from the hydrogen sensor to the intelligent network platform through wireless signals.

Preferably, the system works as follows:

S1. Set data templates, including collection frequency, registers, data types, read and write methods and storage methods;

S2. The terminal data collection device is bound to the platform, and the data template is imported; the imported data template is used to guide data processing;

S3. The terminal data acquisition equipment works, and transmits data to the data center through the data transmission equipment;

S4. The data center monitors the hydrogen concentration and temperature in real time, and if the concentration exceeds the standard, it will give a mark and send a message to the alarm module;

S5. The alarm module receives the message and responds according to the set data.

Preferably, the hydrogen sensor is powered by a 10-30V DC power supply, installed under the rear seat of the hydrogen energy vehicle, and connected to the data transmission device through the 485 interface.

Preferably, the data transmission device is equipped with a user identification card, a network communication interface and a network server, so that data can be bidirectionally transparently transmitted.

Preferably, the hydrogen concentration and temperature are directly obtained only from the hydrogen sensor, and are not collected through other means.

Preferably, after the intelligent network connection platform compares and analyzes the detected hydrogen concentration data and the preset safe hydrogen concentration threshold, it uses the alarm indicator light and dials the phone to give an early warning prompt; at the same time, the positioning information is synchronously sent to the fire command center.

The advantages of the present invention are:

(1) The present invention is based on an intelligent networking platform, comprehensively uses sensor technology, Java and other communication technologies, and combines the powerful functions of database and network to realize the acquisition and fusion of information between "things and things" and "people and things". , dissemination and sharing, and greatly improved the safety of hydrogen energy vehicles.

(2) The hydrogen gas monitoring system for hydrogen energy vehicles based on the intelligent network, combined with the specific environment of on-site hydrogen concentration and micro-leakage, developed an intelligent data transmission module with a standardized network communication interface and installed a user identification card, which realized the hydrogen temperature at the rear of the vehicle, On-site real-time monitoring of multiple indicators such as humidity and hydrogen leakage.

(3) The intelligent network connection system applied to hydrogen energy vehicles proposed by the present invention can establish map positioning and real-time monitoring based on massive data, perform hydrogen energy vehicle positioning, temperature and hydrogen concentration detection and alarm, and avoid dangerous accidents in time.

(4) The sending data and positioning information of the present invention are accurate, can realize alarming without delay, improve the alarming efficiency of relevant departments such as fire departments, and guarantee maximum safety.

(5) The present invention judges in real time whether the hydrogen concentration exceeds the standard based on the concentration information detected by the hydrogen sensor, and issues a warning when it exceeds the standard, and can implement rescue according to the positioning information on the intelligent network platform. Concentration, to achieve traceability.

Description of drawings

Figure 1 is a schematic diagram of the operation process of the hydrogen energy vehicle safety information intelligent network connection system.

Figure 2 is a schematic diagram of the connection between the hydrogen sensor and the data transmission device.

FIG. 3 is a schematic diagram of the internal and external structures of the data transmission device.

Fig. 4 is a schematic diagram of an information security protection system for hydrogen energy vehicles.

Fig. 5 is a flow chart of a data transmission device sending data to an intelligent network connection platform.

Figure 6 is a schematic diagram of the workflow of the intelligent network connection platform.

Figure 7 shows the design interface of the intelligent network connection platform.

Figure 8 is a schematic diagram of a hydrogen energy vehicle safety information intelligent networking system.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

An intelligent network connection system for hydrogen energy vehicle safety information, including: a hydrogen sensor 2 , a data transmission device 4 , a positioning module 8 , and an intelligent network connection platform 10 . The hydrogen sensor 2 is connected to the data transmission device 4 for detecting the concentration of temperature, humidity and hydrogen in the environment to be measured; the positioning module 8 is installed in the data transmission device 4 for obtaining positioning information; the data transmission The device 4 is wirelessly connected to the intelligent network connection platform 10, and is used to transmit the data and positioning information detected by the hydrogen sensor 2 to the intelligent network connection platform 10; the intelligent network connection platform 10 is used to analyze the detected data. As shown in Fig. 1, it is an operation flow chart of the hydrogen energy vehicle safety information intelligent networking system of the present invention.

As shown in FIG. 2 , the hydrogen sensor 2 collects required parameters through the epitaxial probe 1 , and transmits gas information to the data transmission device 4 through the epitaxial probe 1 .

As shown in Figure 3, the exterior of the data transmission device 4 is an antenna 6, a network port, and a 485 interface 5, wherein the 485 interface 5 is divided into two interfaces, A and B, which are respectively connected to the A interface and the B interface of the hydrogen sensor 2; A subscriber identification card 7 and a positioning module 8 are installed. The data transmission device 4 can rely on the network communication interface 9 or the wireless network of the subscriber identification card 7 to realize the information transmission function with the intelligent network connection platform 10 . FIG. 5 is a schematic diagram of the data transmission device 4 sending data to the intelligent network connection platform 10 .

As shown in Figure 4, an information security protection system for hydrogen energy vehicles includes a data template, a data center, an alarm module, and a terminal data collection device; the data template is a regulation for data collection. Including: acquisition frequency, registers, data types, read and write methods and storage methods. The data center includes three functions: viewing of real-time data, statistical summary of data, and detecting whether the hydrogen concentration exceeds the standard. After the alarm module receives the over-standard information from the data center, it will send the alarm information to the emergency contact, and the method can be selected.

As shown in Figure 7, the design interface of the intelligent network platform 10 includes a real-time map of the location of the hydrogen energy vehicle and the hydrogen concentration, temperature and humidity of the gas near the high-pressure hydrogen cylinder of the vehicle.

As shown in Figure 8, the hydrogen energy vehicle safety information intelligent network connection system provided by the present invention includes an intelligent network connection server 11 and a hydrogen energy vehicle. The intelligent network connection server 11 includes a hydrogen sensor 2, a data transmission device 4 and an intelligent network connection system. Platform 10; the intelligent network connection server 11 is in communication with the hydrogen energy vehicle, and the remote intelligent network connection server 11 receives the hydrogen concentration and current vehicle location information of the hydrogen energy vehicle. Based on the detected concentration information, it is detected in real time whether the hydrogen concentration exceeds the standard, and a warning is issued when it exceeds the standard, and rescue can be carried out on the intelligent network platform 10 according to the positioning information.

The operation of the hydrogen energy vehicle safety information monitoring system of the present invention includes the following steps:

S1, the hydrogen sensor 2 collects the temperature, humidity and hydrogen concentration of the gas near the high-pressure hydrogen cylinder of the hydrogen energy vehicle, and transmits it to the data transmission device 4 through the 485 interface 5 .

S2, the positioning module 8 mounted on the data transmission device 4 collects the current position of the target vehicle.

S3, the data transmission device 4 transmits the collected gas parameters and location information to the intelligent network connection platform 10 through the wireless network by means of its own subscriber identification card 7 .

As shown in Figure 5, the following are the data verification and transmission steps for sending data:

S301, whether the data format type belongs to the data verification type, if it belongs to the data verification type, then perform data format verification on the format of the target directory in the initial message, and enter step S302; if it does not belong to the data verification type, then The initial message is parsed to obtain a target message in json format corresponding to the message action type, and the target message in json format is sent to the intelligent network connection platform 10 .

S302. When the format verification succeeds, perform data content verification on the target content in the initial message.

If it belongs to the data format verification type, then perform data format verification on the format of the target directory in the initial message, and detect whether the format of the target directory in the initial message lacks preset content; if the preset content is not missing content, the data content verification is successful, and it is determined that the format verification is successful, and proceeds to step S304; if the preset content is missing, the data content verification fails, and it is determined that the format verification fails, and proceeds to step S303.

S303. When the verification of the data content fails, perform data cleaning on the target content to obtain a cleaned initial message, and use the cleaned initial message as an initial message after verification.

S304. Parse the initial message after verification to obtain a target message in json format corresponding to the message action type.

S4, by observing the vehicle information displayed on the intelligent network connection platform 10, real-time monitoring of the safety of hydrogen energy vehicles is realized, and the safety of vehicle operation is improved.

S5, the intelligent network connection platform 10 collects the hydrogen concentration of the hydrogen energy vehicle and the current location information of the vehicle

S6, judging whether the vehicle concentration exceeds the standard according to the set hydrogen concentration.

S7, if the hydrogen concentration exceeds the standard, the platform sends the hydrogen gas exceeding the standard information to the emergency contact, and gives an alarm prompt for the concentration exceeding the standard on the platform interface. If rescue is needed, the positioning information can be obtained from the intelligent network connection server 11. Specifically, if the hydrogen concentration exceeds the standard, the collected concentration exceeds the threshold set on the platform. Preferably, in order to remind the driver as much as possible, when the hydrogen concentration exceeds the standard, it can be reminded by phone. Of course, the phone is only a preferred method provided by the present invention, and the present invention does not limit the specific reminder method, and other reminder methods are also possible, such as: sending a short message or email for reminder.

As shown in Figure 6, the working steps of the intelligent network connection platform 10 are as follows:

S701, setting a data template, including collection frequency, register, data type, read-write mode and storage mode.

The S702 terminal data collection device is bound to the platform and imports the data template. After the terminal data acquisition device is bound to the platform, data can be transmitted to the platform through the data transmission device 4, which is less prone to errors. Import data templates are used to guide data processing.

S703, the terminal data collection device works, and transmits data to the data center through the data transmission device 4 .

S704, the data center monitors the hydrogen concentration in real time, and if the detected concentration exceeds the standard, it gives a mark and sends a message to the alarm module.

S705. The alarm module receives the message and sends an alarm to the emergency contact.

In the present invention, the hydrogen concentration of the hydrogen energy vehicle and the current position information of the vehicle are collected. The intelligent network platform 10 server detects the hydrogen concentration in real time, and realizes an alarm when it exceeds the standard. When the concentration exceeds the standard, the location can be searched according to the intelligent network platform 10, which improves the driving safety of hydrogen energy vehicles. After a fault occurs, you can view and observe the historical hydrogen concentration through historical data to achieve traceability.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection.

Claims (8)

1. The utility model provides a hydrogen energy car safety information intelligent network allies oneself with system which characterized in that includes: the system comprises a hydrogen sensor (2), data transmission equipment (4) and an intelligent networking platform (10);

the hydrogen sensor (2) is connected with the data transmission equipment (4); the data transmission equipment (4) is in wireless connection with the intelligent networking platform (10);

the hydrogen sensor (2) is used for detecting the temperature, the humidity and the concentration of hydrogen in the environment to be detected; the data transmission equipment (4) module is used for transmitting the data detected by the hydrogen sensor (2) to the intelligent networking platform (10); the intelligent networking platform (10) is used for analyzing the detected data.

2. The intelligent network system for safety information of the hydrogen energy automobile according to claim 1, wherein the hydrogen sensor (2) is a humidity, temperature and concentration detection module.

3. The intelligent network connection system for the safety information of the hydrogen energy automobile according to claim 1, wherein a positioning module (8) is arranged in the data transmission equipment (4); the data transmission equipment (4) transmits the positioning information of the positioning module (8) to the intelligent networking platform (10) through wireless signals and receives the data of the hydrogen sensor (2).

4. The intelligent network connection system for the safety information of the hydrogen energy automobile according to claim 1, wherein the working mode of the system is as follows:

s1, setting a data template, wherein the data template comprises acquisition frequency, a register, a data type and a read-write mode storage mode;

s2, binding the terminal data acquisition equipment with the platform and importing a data template; importing a data template for guiding data processing;

s3, the terminal data acquisition equipment works and transmits data to a data center through the data transmission equipment (4);

s4, the data center monitors the concentration and the temperature of the hydrogen in real time, and when the concentration exceeds the standard, the data center gives a mark and transmits a message to the alarm module;

s5, the alarm module receives the information and responds according to the set data.

5. The intelligent network connection system for the safety information of the hydrogen energy automobile according to claim 2 is characterized in that the hydrogen sensor (2) is powered by a 10-30V direct current power supply and is arranged below a rear seat of the hydrogen energy automobile and is connected with the data transmission equipment (4) through a 485 interface (5).

6. A hydrogen energy automobile safety information intelligent network connection system according to claim 3, wherein the data transmission equipment (4) can perform data bidirectional transparent transmission by being provided with a user identification card (7) and a network communication interface (9) and a network server.

7. The intelligent network connection system for the safety information of the hydrogen energy automobile according to claim 5 is characterized in that the concentration and the temperature of the hydrogen are directly obtained from the hydrogen sensor (2) only and are not collected through other ways.

8. The intelligent network system for the hydrogen energy automobile safety information according to any one of claims 1 to 7, wherein after the intelligent network platform (10) compares and analyzes the detected hydrogen concentration data with a preset safety hydrogen concentration threshold value, an alarm indicator lamp is adopted to give an early warning prompt for calling; and simultaneously, synchronizing positioning information to the fire command center.

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