CN117901890B

CN117901890B - Visual monitoring devices of freight train data transmission

Info

Publication number: CN117901890B
Application number: CN202410307521.5A
Authority: CN
Inventors: 黄建海; 杨文楷
Original assignee: Fujian Yuan'an Chelian Technology Co ltd
Current assignee: Fujian Yuan'an Chelian Technology Co ltd
Priority date: 2024-03-18
Filing date: 2024-03-18
Publication date: 2024-07-16
Anticipated expiration: 2044-03-18
Also published as: CN117901890A

Abstract

The invention discloses a visual monitoring device for data transmission of a freight vehicle, which belongs to the technical field of information monitoring transmission and comprises the following structures: the host is arranged in a truck cab and structurally comprises a host shell, a screen assembly, a host key board shell and a host board card; the node is arranged at a frame near a truck part to be monitored and structurally comprises a node shell, a node antenna, a node positioning magnet, a temperature sensor and a node board card; the relay is arranged in the center of the frame of the truck and structurally comprises a relay shell body, a relay positioning magnet, a relay antenna, a relay board card and a relay power line; according to the invention, the parameters of the detection points of the corresponding truck positions of each node are visually displayed and simulated to remind the early warning driver to carry out targeted overhaul, so that the complicated process of removing faults one by one during overhaul is omitted, the overhaul efficiency is improved, the overhaul time is saved, and the transportation delay caused by the fault removal of the truck is reduced.

Description

Visual monitoring devices of freight train data transmission

Technical Field

The invention discloses an information monitoring and transmitting technology, in particular to a visual monitoring device for data transmission of a freight vehicle.

Background

In trucking, the proportion of freight accidents in malignant traffic accidents is very high, and the traditional trucking mainly relies on subjective driving experience of drivers to judge traffic safety. The monitoring devices for monitoring the running states of the hub, the gearbox, the front car, the rear car and the engine by means of the sensors appear at the back, but most of the monitoring devices have the functions of alarming after the sensors detect that the parameters of a certain part are in a problem, but a driver cannot clearly know what specific faults are, and can conduct timely and targeted treatment, and only temporarily carry out parking maintenance to confirm the specific faults.

Disclosure of Invention

The invention aims to solve the problems and provide a visual monitoring device for data transmission of a freight vehicle.

In order to achieve the above purpose, the present invention provides the following technical solutions: a visual monitoring device for data transmission of a freight vehicle, comprising the following structure:

the host is arranged in a truck cab and structurally comprises a host shell, a screen assembly, a host key board shell and a host board card;

The node is arranged at a frame near a truck part to be monitored and structurally comprises a node shell, a node antenna, a node positioning magnet, a temperature sensor and a node board card;

The relay is arranged in the center of the frame of the truck and structurally comprises a relay shell body, a relay positioning magnet, a relay antenna, a relay board card and a relay power line;

the host computer, the nodes and the relays perform data transmission through a 433MHZ wireless ad hoc network, the host computer can receive data acquired by a detection sensor of the display node and display the data on a screen assembly for a driver to observe, and the host computer can display the positions of detection points of the corresponding simulation truck positions of the nodes.

By adopting the technical scheme, the parameters of the detection points of the corresponding simulation truck positions of the nodes are visually displayed through the screen component of the host machine to remind an early warning driver to carry out targeted overhaul so as to determine specific faults, so that the overhaul efficiency is improved.

Preferably, the motherboard card comprises a SIM card holder, an audio interface, a TYPE-C interface, a TF card holder, a 4G module and a power supply, and the node card comprises a 433 communication module, an antenna interface, a power supply interface, a sensor interface and a micro control unit.

Through adopting above-mentioned technical scheme, realize communication connection and data transmission between them through motherboard card and node board card structure, guarantee the realization of real-time detection and visual observation.

Preferably, the node and the relay are both provided with mounting structures capable of being assembled with the truck frame, the mounting structures comprise positioning absorption parts and connecting lugs respectively arranged on two sides of the node outer shell or the relay outer shell, the connecting lugs are all provided with through holes, and the positioning absorption parts are node positioning magnets or relay positioning magnets.

Through adopting above-mentioned technical scheme, realize the installation assembly to node and relay through mounting structure, guarantee to accomplish normal work at freight train corresponding position.

Preferably, the host, the node and the relay have the following pairing mechanism:

S1, a node or a relay starts to operate, a host receives a pairing command to enter a state waiting for pairing information, the node autonomously transmits or transmits the pairing information through the relay, and the node or the relay enters a state waiting for replying information;

s2, after receiving the pairing information in 15S after the host enters a state of waiting for the pairing information, the host replies information to the node or the relay, the host stores the pairing node information, the node or the relay receives the reply information, and the host stores the pairing host information;

Or when the host computer receives the pairing information after exceeding 15S after entering the state of waiting for the pairing information, the host computer confirms that the waiting time is overtime and exits from the state of waiting for the pairing information.

By adopting the technical scheme, the communication state of the node or the relay can be confirmed through a pairing mechanism.

Preferably, when the nodes are paired with the host, the nodes in the vicinity automatically detect that the nodes select WIFI channels and hop frequencies to select WIFI channels in different frequency bands for communication.

By adopting the technical scheme, the communication between each node and the host is realized by the technology of automatically detecting and frequency hopping to select the WIFI channel.

Preferably, an adjusting mechanism is arranged between the screen assembly of the host and the host shell, the adjusting mechanism comprises a plurality of equidistant grooves and screen supporting sliding sheets, the grooves are formed in one side of each screen supporting sliding sheet and movably connected with the corresponding guide posts, and the other side of each screen supporting sliding sheet can be connected with the corresponding groove in a clamping mode.

Through adopting above-mentioned technical scheme, thereby realize adjusting visual angle through adjustment mechanism and make things convenient for the driver to drive in-process can comparatively directly perceived convenient content of showing on the screen assembly of host computer of observing.

Preferably, the power supply of the node adopts a replaceable battery structure, the replaceable battery structure comprises a battery compartment and a battery placed in the battery compartment, an opening for accommodating the embedding of the battery compartment is formed in the top of the outer shell of the node, and the opening can be tightly screwed and closed through a screw cap.

By adopting the technical scheme, independent power supply and battery replacement are realized through the battery compartment, and the electric quantity state of the node can be determined through a pairing mechanism of the node and the host.

Preferably, the node has an auto-dormancy mechanism as follows:

M1, a node enters a starting state, sends a heartbeat packet to a host, and enters M2;

M2, the node starts to detect the temperature value of the corresponding truck part, if the temperature value is larger than a set threshold value, alarm information is sent, and the state of continuously detecting the temperature value is entered; otherwise, the state of detecting the temperature value is exited, and a 15s low-power-consumption dormant state is entered;

after the low-power consumption dormancy state of M3 and 15s is finished, returning to execute M1 if the time from the node to the last heartbeat packet sending time is more than 5 min; otherwise, returning to execute M2.

By adopting the technical scheme, the electric quantity consumed by the node in idle time is reduced through the automatic dormancy mechanism, so that the node can operate for a long time in a low power consumption state.

Compared with the prior art, the invention has the beneficial effects that:

Parameters of detection points of the truck positions corresponding to all nodes are visually displayed and simulated to remind an early warning driver to carry out targeted overhaul, so that the complicated process of removing faults one by one during overhaul is omitted, the overhaul efficiency is improved, the overhaul time is saved, and the transportation delay caused by the fault removal of the truck is reduced; the communication condition can be judged and the electric quantity state of the node can be determined through a pairing mechanism among the host, the relay and the node; when the nodes are paired with the host, truck detection parts corresponding to the nodes can be manually configured on the host, and the WIFI communication pairing response time is used for calibrating and confirming the distance between the nodes and the host and displaying the distance on a screen assembly of the host, so that operators can check and judge whether the configured positions are accurate; the endurance time is improved through an automatic dormancy mechanism of the node.

Drawings

FIG. 1 is a visual image of the location of detection points of each node corresponding to a simulated truck site;

FIG. 2 is a schematic view of the mounting locations of the structural components in a truck;

FIG. 3 is a schematic diagram of a host;

FIG. 4 is a schematic diagram of a node structure;

fig. 5 is a schematic diagram of the structure of the relay;

FIG. 6 is a schematic view of the mounting structure;

Fig. 7 is a schematic diagram of management and monitoring of the internet of things management platform with respect to a truck;

fig. 8 is a schematic diagram of tracking a movement track of a truck by an internet of things management platform;

FIG. 9 is a schematic diagram of monitoring conditions and data records of a large data analysis truck of an operation monitoring platform;

FIG. 10 is a schematic diagram of a motherboard;

FIG. 11 is a schematic diagram of a node board card;

FIG. 12 is a schematic diagram of a second embodiment of a node board card;

Fig. 13 is a flow diagram of an automatic dormancy mechanism for a node.

Reference numerals: 1. a main machine outer case; 2. a screen assembly; 3. a screen housing; 4. a screen support slide; 5. a main unit key board housing; 6. a motherboard card; 7. a temperature sensor; 8. a node antenna; 9. a node positioning magnet; 10. a battery; 11. a battery compartment; 12. a node board card; 13. screwing the cover; 14. a node outer housing; 15. a relay antenna; 16. a relay board card; 17. a relay casing; 18. a relay positioning magnet; 19. a relay power line; 20. and connecting the lugs.

Detailed Description

In the following description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

A visual monitoring device for data transmission of a freight vehicle, as shown in fig. 3-5, comprising the following structure:

the main machine is arranged in a truck cab and structurally comprises a main machine shell 1, a screen shell 3, a screen assembly 2, a main machine key board shell 5 and a main machine board 6;

The node is arranged at a frame near a truck part to be monitored and structurally comprises a node shell 14, a node antenna 8, a node positioning magnet 9, a temperature sensor 7 and a node board card 12;

the relay is arranged in the center of a frame of the truck and structurally comprises a relay shell 17, a relay positioning magnet 18, a relay antenna 15, a relay board 16 and a relay power line 19;

The host computer, the nodes and the relays perform data transmission through a 433MHZ wireless ad hoc network, the host computer can receive data acquired by a detection sensor of the display node and display the data on the screen assembly 2 for a driver to observe, the host computer can display the detection point positions of the corresponding simulation truck positions of the nodes, as shown in fig. 1, a visual image of the detection point positions of the corresponding simulation truck positions of the nodes is displayed, and as shown in fig. 2, a schematic diagram of the installation positions of the structural components in the truck is shown.

Example 2

As shown in fig. 10, the motherboard 6 includes a SIM card holder, an audio interface, a TYPE-C interface, a TF card holder, a 4G module and a power supply, where the 4G module is used to network with the internet of things management platform, as shown in fig. 9, early warn the driver to overhaul in advance by analyzing the monitoring condition and data record of the truck by means of the big data of the operation monitoring platform on the internet of things management platform server, as shown in fig. 11 and 12, the motherboard 12 includes a 433 communication module, an antenna interface, a power interface, a sensor interface and a micro control unit, and controls the node to detect the temperature data of the corresponding components of the truck at regular time by means of the micro control unit and transmits the temperature data to the host by the 433 communication module. Fig. 7-8 show that the internet of things management platform can manage and track the supervised trucks in real time through the positioning system.

The host, the nodes and the relays have the following pairing mechanism:

When the nodes are paired with the host, truck detection parts corresponding to the nodes can be manually configured on the host, and the WIFI communication pairing response time is used for calibrating and confirming the distance between the nodes and the host and displaying the distance on a screen assembly 2 of the host, so that operators can check and judge whether the configured positions are accurate.

When each node is paired with a host, nearby nodes can be automatically detected to select WIFI channels and frequency hopping is performed to select the WIFI channels of different frequency bands for communication, communication interference can be caused among the nodes due to the fact that the same WIFI channels are adopted for communication, normal data transmission of the nodes is affected, even the host cannot receive data transmitted by the nodes, detection time is delayed, and the same-frequency interference resistance can be achieved through the technology of automatically detecting the WIFI channels of the nodes and the technology of selecting the WIFI channels of different frequency bands through frequency hopping, and the effect of improving communication response speed is achieved.

Example 3

As shown in fig. 6, the node and the relay are both provided with mounting structures capable of being assembled with the truck frame, each mounting structure comprises a positioning absorbing member and connecting lugs 20 respectively arranged at two sides of the node outer shell 14 or the relay outer shell 17, each connecting lug 20 is provided with a through hole, each positioning absorbing member is a node positioning magnet 9 or a relay positioning magnet 18, each node positioning magnet 9 or each relay positioning magnet 18 is used for absorbing and positioning on a cross beam or a chassis of the truck frame, and each supporting plate and each nut and each bolt provided with a strip hole penetrate through the through holes of the corresponding connecting lugs 20 at two sides respectively to be screwed and locked for mounting.

As shown in fig. 3, an adjusting mechanism is arranged between a screen assembly 2 of the host and an outer shell 1of the host, the adjusting mechanism comprises a plurality of equidistant grooves and screen supporting sliding sheets 4 arranged on the outer shell, a guide post is arranged on one side of the screen supporting sliding sheets 4, grooves movably connected with the guide post are formed in the back of the screen assembly 2, and the visual angle of the screen assembly 2 can be adjusted by changing the clamping connection between the screen supporting sliding sheets 4 and grooves at different positions.

As shown in fig. 4, the power supply of the node adopts a replaceable battery 10 structure, the replaceable battery 10 structure comprises a battery compartment 11 and a battery 10 placed in the battery compartment 11, an opening for accommodating the embedding of the battery compartment 11 is formed in the top of a node outer shell 14, the opening can be tightly screwed and closed through a screw cap 13, the installation position of the node is located at a position where an external power supply is difficult to connect, and independent power supply work is realized through the battery 10.

As shown in fig. 13, the node has an auto-sleep mechanism as follows:

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A visual monitoring device for data transmission of a freight vehicle, which is characterized by comprising the following structure:

the host is arranged in a truck cab and structurally comprises a host shell (1), a screen shell (3), a screen assembly (2), a host keydome shell (5) and a host board card (6);

The node is arranged at a frame near a truck part to be monitored, and structurally comprises a node shell (14), a node antenna (8), a node positioning magnet (9), a temperature sensor (7) and a node board card (12);

the relay is arranged in the center of a frame of the truck and structurally comprises a relay shell (17), a relay positioning magnet (18), a relay antenna (15), a relay board card (16) and a relay power line (19);

The host, the nodes and the relays perform data transmission through a 433MHZ wireless ad hoc network, the host can receive data acquired by a detection sensor of a display node and display the data on a screen assembly (2) for a driver to observe, and the host can display the positions of detection points of the corresponding simulation truck positions of the nodes and display visual images of the positions of the detection points of the corresponding simulation truck positions of the nodes;

When the nodes are paired with the host, truck detection parts corresponding to the nodes can be manually configured on the host, and the distance between the nodes and the host is calibrated and confirmed by WIFI communication pairing response time and is displayed on a screen assembly (2) of the host;

the host, the nodes and the relays are provided with the following pairing mechanism:

or after the host computer receives the pairing information after exceeding 15S after entering the state of waiting for the pairing information, the host computer confirms that waiting is overtime and exits the state of waiting for the pairing information;

when the nodes are matched with the host, nearby nodes can be automatically detected to select WIFI channels, and the WIFI channels with different frequency bands are selected for communication in a frequency hopping mode.

2. The visual monitoring device for data transmission of a freight vehicle according to claim 1, wherein the motherboard (6) comprises a SIM card holder, an audio interface, a TYPE-C interface, a TF card holder, a 4G module, and a power supply, and the node board (12) comprises a 433 communication module, an antenna interface, a power supply interface, a sensor interface, and a micro control unit.

3. The visual monitoring device for data transmission of a freight vehicle according to claim 1, wherein the nodes and the relays are provided with mounting structures capable of being assembled with a truck frame, the mounting structures comprise positioning absorption parts and connecting lugs (20) respectively arranged on two sides of a node outer shell (14) or a relay outer shell (17), the connecting lugs (20) are provided with through holes, and the positioning absorption parts are node positioning magnets (9) or relay positioning magnets (18).

4. The visual monitoring device for data transmission of a freight vehicle according to claim 1, wherein an adjusting mechanism is arranged between a screen assembly (2) of the host and a host shell body (1), the adjusting mechanism comprises a plurality of equidistant grooves and screen supporting sliding sheets (4) arranged on the shell body, a guide post is arranged on one side of each screen supporting sliding sheet (4), a groove movably connected with the guide post is formed in the back of the screen assembly (2), and the other side of each screen supporting sliding sheet (4) can be clamped with the corresponding groove.

5. A visual monitoring device for data transmission of a freight vehicle according to any one of claims 1-4, characterized in that the power supply of the node is a replaceable battery structure, the replaceable battery structure comprises a battery compartment (11) and a battery (10) placed in the battery compartment (11), an opening for accommodating the battery compartment (11) is formed in the top of the outer shell (14) of the node, and the opening can be closed by screwing a screw cap (13).

6. A visual monitoring device for data transmission of a freight vehicle according to claim 1, wherein said node has an automatic dormancy mechanism as follows: