CN215752262U - Car networking device - Google Patents
Car networking device Download PDFInfo
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- CN215752262U CN215752262U CN202121765839.6U CN202121765839U CN215752262U CN 215752262 U CN215752262 U CN 215752262U CN 202121765839 U CN202121765839 U CN 202121765839U CN 215752262 U CN215752262 U CN 215752262U
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Abstract
The utility model provides a vehicle networking device, which comprises a tractor unit and a trailer unit, wherein the tractor unit is connected with the trailer unit; a tractor unit comprising: the trailer lamp control module controls the trailer lamp power supply circuit according to the control instruction of the central processing module; the tractor wireless networking module is used for networking with the trailer wireless networking module; the central processing module receives monitoring data sent by the trailer wireless networking module through the tractor wireless networking module and sends the monitoring data to the data platform through the communication module; the trailer unit comprises: the system comprises a control module, a sensor, a trailer wireless networking module, a power management module and a storage battery; the power management module performs voltage conversion to supply power to the control module under the power supply of the storage battery, and supplies power or cuts off power to the sensor and the trailer wireless networking module according to a control instruction of the control module; the control module receives monitoring data of the sensor and sends the monitoring data to the tractor wireless networking module through the trailer wireless networking module.
Description
Technical Field
The utility model relates to the technical field of Internet of things, in particular to a vehicle networking device.
Background
The car networking technology is more and more popular, brings better use experience for the user, but trailer and tractor because the mode operation of separation, this leads to acquireing the vehicle data of trailer very inconvenient, has power supply and data transmission problem. Because only the power supply circuit of the reversing light and the width indicating light is arranged on the trailer, the circuits do not have electricity under the condition that the reversing light and the width indicating light of the trailer are controlled by the tractor to be turned off, so that the working voltage cannot be obtained by directly using the power supply circuit of the reversing light and the width indicating light when data are collected on the trailer, the collected data are inconvenient to transmit, and the existing line needs to be greatly changed.
Based on the current situation, how to collect vehicle data of a trailer conveniently and at low cost becomes an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vehicle networking device which can stably and conveniently acquire vehicle data of a trailer.
The utility model relates to a vehicle networking device, which comprises a tractor unit and a trailer unit;
the tractor unit comprising: the system comprises a central processing module, a tractor wireless networking module, a trailer lamp control module and a communication module;
the trailer lamp control module controls a trailer lamp power supply circuit according to the control instruction of the central processing module and assists the networking debugging of the tractor wireless networking module; the tractor wireless networking module is used for networking with the trailer wireless networking module to perform data interaction; the central processing module receives monitoring data sent by the trailer wireless networking module through the tractor wireless networking module and sends the monitoring data to a data platform through the communication module;
the trailer unit includes: the system comprises a control module, a sensor, a trailer wireless networking module, a power management module and a storage battery;
the power management module performs voltage conversion to supply power to the control module under the power supply of the storage battery, and supplies power or cuts off power to the sensor and the trailer wireless networking module according to a control instruction of the control module; the control module receives monitoring data of the sensor and sends the monitoring data to the tractor wireless networking module through the trailer wireless networking module.
According to the networking device provided by the utility model, the tractor wireless networking module detects the intensity of one or more wireless signals, and determines the wireless signals of the trailer wireless networking module from the one or more wireless signals according to the intensity change of the one or more wireless signals after the trailer lamp control module controls the voltage change of the trailer lamp power supply circuit, and performs networking.
According to the internet of vehicles apparatus provided by the present invention, the tractor unit further comprises: the device comprises a storage module, a positioning module, a display module and a warning module;
the storage module is connected with the central processing module and is used for storing the monitoring data;
the positioning module is connected with the central processing module and is used for determining vehicle position information;
the display module is connected with the central processing module and is used for displaying vehicle state data;
the warning module is connected with the central processing module and used for warning abnormal state information.
According to the internet of vehicles device provided by the utility model, the trailer unit further comprises: a charging module;
the charging module is connected with a trailer lamp power supply circuit and charges the storage battery when the trailer lamp power supply circuit is powered on.
According to the car networking device provided by the utility model, the storage battery is a wide-temperature rechargeable nickel-metal hydride battery.
According to the car networking device provided by the utility model, the control module enters a dormant state according to the interval period; and when the control module is in a dormant state, the control module controls the power supply management module to cut off power supply to the sensor and the trailer wireless networking module.
According to the vehicle networking device provided by the utility model, the initial parameters of the trailer wireless networking module comprise identity identification information;
the identification information includes at least one of the following: license plate number, frame number, engine number, vehicle model number, and owner information.
According to the car networking device provided by the utility model, the sensor at least comprises one of the following sensors: load sensor, position sensor, inclination sensor.
According to the vehicle networking device provided by the utility model, the trailer wireless networking module and the tractor wireless networking module adopt mesh modules.
According to the utility model, networking pairing is automatically carried out through the tractor wireless networking module and the trailer wireless networking module to transmit data, a data transmission and power supply circuit is not required to be additionally arranged between the tractor and the trailer, and the monitoring data of the trailer collected by the sensor can be conveniently transmitted to the data platform; the number and the position of the sensors are set with higher freedom degree, and the expansibility is strong; the power supply control is carried out on the power management module through the control module, so that the power consumption is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a car networking device in a car networking system according to the present invention;
FIG. 2 is a schematic structural view of a tractor unit of the Internet of vehicles arrangement provided by the present invention;
fig. 3 is a schematic structural diagram of a trailer unit of a vehicle networking device provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the prior art, the trailer and the tractor are operated in a separated mode. At the circuit part, the tractor passes through control circuit, control trailer lamps and lanterns, therefore, only have the reversing light on the trailer, show the supply circuit of wide lamp, supply circuit does not have the electricity under the condition that reversing light, the wide lamp of tractor control trailer extinguish moreover, this causes the difficulty to the vehicle data acquisition of trailer (like tire pressure monitoring etc.), the unable convenient power that obtains of data acquisition device, and the data of gathering also do not conveniently transmit, need make great change to current circuit. Therefore, the utility model provides the vehicle networking device which can be used for conveniently and low-cost acquisition of vehicle data of the trailer.
The following describes a car networking device provided by the utility model with reference to the accompanying drawings 1-3.
Fig. 1 is a schematic structural diagram of a car networking device in a car networking system, as shown in fig. 1, the car networking device provided by the utility model comprises: a tractor unit and a trailer unit.
Specifically, the tractor unit and the trailer unit can carry out wireless network deployment, and the trailer unit can gather the vehicle data of trailer and send to the car networking platform through the tractor unit. The tractor unit and trailer unit are described in detail below:
fig. 2 is a schematic structural diagram of a tractor unit of a vehicle networking device provided by the utility model, and as shown in fig. 2, the tractor unit comprises: the system comprises a central processing module, a tractor wireless networking module, a trailer lamp control module and a communication module; the trailer lamp control module controls a trailer lamp power supply circuit according to the control instruction of the central processing module and assists the networking debugging of the tractor wireless networking module; the tractor wireless networking module is used for networking with the trailer wireless networking module to perform data interaction; the central processing module receives the monitoring data sent by the trailer wireless networking module through the tractor wireless networking module and sends the monitoring data to a data platform through the communication module.
Specifically, the Central Processing Unit (CPU) is configured to perform data processing and send a control instruction, and control networking and data transmission between the tractor unit and the trailer unit. The trailer lamp control module can be a specific switch and a connecting wire, and also can be a circuit chip (outputting a corresponding level signal) and a connecting wire, the trailer lamp control module is connected with the central processing module, controls a trailer lamp power supply circuit according to a control instruction of the central processing module, controls the turning-on or turning-off of a reversing lamp and a width indicating lamp of a trailer, and can also be used for assisting the networking debugging of the wireless networking module of the tractor and the wireless networking module of the trailer. It should be noted that the trailer lamp control module of the tractor is connected to the lamp power supply circuit of the trailer through a universal interface, which facilitates the disconnection/connection between the tractor and the trailer.
The wireless networking module of tractor connects central processing unit, and the wireless networking module of tractor is according to the control command of central processing unit and the wireless networking module of trailer networking under operating condition to collect the monitoring data of the trailer that the wireless networking module of trailer sent after the networking succeeds. The central processing module is also connected with the communication module, and the monitoring data of the trailer received by the tractor wireless networking module is sent to a data platform, such as a TSP data platform, through the communication module. The tractor wireless networking module can adopt short-distance wireless communication modules such as wifi, bluetooth, zigbee and mesh to reduce power consumption.
Fig. 3 is a schematic structural diagram of a trailer unit of a vehicle networking device provided by the utility model, and as shown in fig. 3, the trailer unit comprises: the system comprises a control module, a sensor, a trailer wireless networking module, a power management module and a storage battery; the power management module performs voltage conversion to supply power to the control module under the power supply of the storage battery, and supplies power or cuts off power to the sensor and the trailer wireless networking module according to a control instruction of the control module; the control module receives monitoring data of the sensor and sends the monitoring data to the tractor wireless networking module through the trailer wireless networking module.
Specifically, the power management module performs voltage conversion to supply power to the control module under the power supply of the storage battery. And the control Module (MCU) is used for controlling the wireless networking and the collection and transmission of trailer monitoring data. The control module is also used for sending a control instruction to the power management module and controlling the power management module to supply power or cut off power to the sensor and the wireless networking module. Under the power supply state of the power supply management module, the sensor can normally collect data, and the trailer wireless networking module can normally perform networking for data transmission; and under the power-off state of the power management module, the sensor and the trailer wireless networking module do not generate power consumption. The control module is also connected with a sensor and used for receiving monitoring data of the sensor and sending the monitoring data to the tractor wireless networking module through the trailer wireless networking module connected with the control module. It can be understood that, under the condition that the lamp power supply circuit is powered, the power management module is directly powered by the lamp power supply circuit so as to save the electric energy of the storage battery.
In the embodiment, networking pairing data transmission is automatically carried out through the tractor wireless networking module and the trailer wireless networking module, data transmission and power supply circuits do not need to be additionally arranged between the tractor and the trailer, monitoring data of the trailer collected by the sensors can be conveniently transmitted to the data platform, the number and position of the sensors are high in freedom degree, and the expansibility is strong; the power management module is controlled by the control module, so that the power consumption is reduced. The convenient and low-cost acquisition of the vehicle data of the trailer is realized.
Based on the above embodiments, in one embodiment, the tractor wireless networking module detects the intensity of one or more wireless signals, determines the wireless signal of the trailer wireless networking module from the one or more wireless signals according to the intensity change of the one or more wireless signals after the trailer lamp control module controls the voltage change of the trailer lamp power supply circuit, and performs networking.
Specifically, a power management module of the trailer unit is connected with a trailer lamp power supply circuit, and when the trailer lamp power supply circuit is electrified, the power is directly taken from the trailer lamp power supply circuit to provide power supply voltage for a trailer wireless networking module. Therefore, the central processing module can control the trailer lamp power supply circuit through the trailer lamp control module during initial networking, so that the power supply to the trailer wireless networking module is changed, and therefore when the wireless signals of the trailer are determined in the networking process, the wireless signals corresponding to the trailer wireless networking module can be determined from the plurality of wireless signals according to the change of the wireless signals, and networking is performed. It should be noted that, in the subsequent re-networking process, the tractor wireless networking module and the trailer wireless networking module can automatically identify and automatically network according to the last networking parameter.
In this embodiment, the trailer lamp power supply circuit is controlled through the trailer lamp control module, so that the power supply to the trailer wireless networking module is changed, the wireless signal corresponding to the trailer wireless networking module can be determined from a plurality of wireless signals according to the change of the wireless signal, and the networking can be accurately performed.
In an embodiment, based on any of the embodiments above, the tractor unit further includes: the device comprises a storage module, a positioning module, a display module and a warning module; the storage module is connected with the central processing module and is used for storing the monitoring data; the positioning module is connected with the central processing module and is used for determining vehicle position information; the display module is connected with the central processing module and is used for displaying vehicle state data; the warning module is connected with the central processing module and used for warning abnormal state information.
Specifically, the storage module is connected with the central processing module and used for storing trailer monitoring data acquired by the sensor; the positioning module is connected with the central processing module and is used for determining vehicle position information; the display module is connected with the central processing module and is used for displaying vehicle state data, such as monitoring data information and vehicle position information, and the display module can also display multimedia entertainment information; the warning module is connected with the central processing module and used for warning abnormal state information, such as sound, vibration, flash warning and the like.
In an embodiment, based on any of the embodiments above, the trailer unit further comprises: a charging module; the charging module is connected with a trailer lamp power supply circuit and charges the storage battery when the trailer lamp power supply circuit is powered on.
Specifically, a lamp power supply circuit of the trailer is connected with a trailer lamp control module of the tractor through a universal interface, and the trailer lamp power supply circuit is powered under the condition that the tractor controls the trailer lamp to be turned on, for example, a trailer reversing lamp is turned on when backing up, and for example, a width indicator lamp is turned on in driving environments with limited visual fields such as night and foggy days. The charging module is connected with the power supply circuit of the trailer lamp and charges the storage battery when the power supply circuit of the trailer lamp is powered on, so that frequent replacement of the battery is avoided, and user experience is reduced.
It should be noted that, because the power management module of the trailer unit is further connected to the trailer lamp power supply circuit, when the lamp power supply circuit of the trailer is powered on, the power storage is charged through the charging module, and the power is directly supplied to the trailer unit through the power management module. When the power supply circuit of the trailer lamp is not electrified, the power supply management module of the trailer unit is powered by the storage battery.
Based on the above embodiments, in one embodiment, the battery is a wide temperature rechargeable nickel metal hydride battery.
Particularly, the storage battery adopts a wide-temperature rechargeable nickel-hydrogen battery for power supply, so that the power supply stability of the storage battery can be improved.
Based on any one of the above embodiments, in one embodiment, the control module enters a sleep state according to an interval period; and when the control module is in a dormant state, the control module controls the power supply management module to cut off power supply to the sensor and the trailer wireless networking module.
Specifically, the control module may adopt a low power consumption level chip, and the control module enters a sleep state according to an interval period, and controls the power management module to cut off power supply to the sensor and the trailer wireless networking module when the control module is in the sleep state, so as to reduce power consumption. It can be understood that the control module further wakes up according to a preset period, supplies power to the sensor and the trailer wireless networking module again through the power management module to carry out networking and data acquisition again, reads monitoring data from an external sensor through a bus or an interface such as RS232 and RS485, and sends detection data to the tractor unit through the trailer wireless networking module after the control module reads the monitoring data of the sensor.
In the embodiment, the control module enters the dormant state according to the interval period, and the power management module is controlled to cut off power supply to the sensor and the trailer wireless networking module in the dormant state, so that power consumption is reduced, and redundant acquired data are reduced.
Based on any one of the above embodiments, in one embodiment, the initial parameter of the trailer wireless networking module includes identification information; the identification information includes at least one of the following: license plate number, frame number, engine number, vehicle model number, and owner information.
Specifically, the initial parameters of the trailer wireless networking module include the license plate number, the frame number, the engine number, the vehicle model number and the identity identification information of the vehicle owner information, so that the trailer unit can be conveniently further verified after networking to determine whether the connection is wrong.
In an embodiment, the sensor includes at least one of the following sensors: load sensor, position sensor, inclination sensor.
Specifically, the external sensors are configured according to the management needs of the trailer, such as a loading weight sensor, a position sensor, an inclination sensor and the like.
Based on any one of the above embodiments, in one embodiment, the trailer wireless networking module and the tractor wireless networking module adopt mesh modules.
Specifically, compared with a single-hop network (such as wifi) which needs to access a fixed access point, the mesh network can be ad hoc, self-managed and dynamically expanded, each node in the mesh network can send or receive signals, and each node can directly communicate with one or more peer nodes. The MESH module is a 2.4GHz low-power-consumption wireless communication module, an MESH communication protocol is built in, and the control module controls MESH networking and data receiving and transmitting through an AT command.
In this embodiment, through adopting the mesh module with the wireless network deployment module of trailer and the wireless network deployment module of tractor, can conveniently carry out the network deployment and expand, promote the convenience.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. An internet of vehicles device, comprising a tractor unit and a trailer unit;
the tractor unit comprising: the system comprises a central processing module, a tractor wireless networking module, a trailer lamp control module and a communication module;
the trailer lamp control module controls a trailer lamp power supply circuit according to the control instruction of the central processing module and assists the networking debugging of the tractor wireless networking module; the tractor wireless networking module is used for networking with the trailer wireless networking module to perform data interaction; the central processing module receives monitoring data sent by the trailer wireless networking module through the tractor wireless networking module and sends the monitoring data to a data platform through the communication module;
the trailer unit includes: the system comprises a control module, a sensor, a trailer wireless networking module, a power management module and a storage battery;
the power management module performs voltage conversion to supply power to the control module under the power supply of the storage battery, and supplies power or cuts off power to the sensor and the trailer wireless networking module according to a control instruction of the control module; the control module receives monitoring data of the sensor and sends the monitoring data to the tractor wireless networking module through the trailer wireless networking module.
2. The vehicle networking device according to claim 1, wherein the tractor wireless networking module detects the intensity of one or more wireless signals, determines the wireless signal of the trailer wireless networking module from the one or more wireless signals according to the intensity change of the one or more wireless signals after the trailer lamp control module controls the voltage change of the trailer lamp power supply circuit, and performs networking.
3. The internet-of-vehicles device of claim 1, wherein the tractor unit further comprises: the device comprises a storage module, a positioning module, a display module and a warning module;
the storage module is connected with the central processing module and is used for storing the monitoring data;
the positioning module is connected with the central processing module and is used for determining vehicle position information;
the display module is connected with the central processing module and is used for displaying vehicle state data;
the warning module is connected with the central processing module and used for warning abnormal state information.
4. The internet-of-vehicles device of claim 1, wherein the trailer unit further comprises: a charging module;
the charging module is connected with a trailer lamp power supply circuit and charges the storage battery when the trailer lamp power supply circuit is powered on.
5. The internet of vehicles device of claim 4, wherein the battery is a wide temperature rechargeable nickel metal hydride battery.
6. The car networking device of claim 1, wherein the control module enters a sleep state according to an interval period; and when the control module is in a dormant state, the control module controls the power supply management module to cut off power supply to the sensor and the trailer wireless networking module.
7. The vehicle networking device of claim 1, wherein the initial parameters of the trailer wireless networking module comprise identification information;
the identification information includes at least one of the following: license plate number, frame number, engine number, vehicle model number, and owner information.
8. The internet-of-vehicles device of claim 1, wherein the sensor comprises at least one of the following sensors: load sensor, position sensor, inclination sensor.
9. The vehicle networking device of claim 1, wherein the trailer wireless networking module and the tractor wireless networking module are mesh modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765839.6U CN215752262U (en) | 2021-07-30 | 2021-07-30 | Car networking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765839.6U CN215752262U (en) | 2021-07-30 | 2021-07-30 | Car networking device |
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| CN215752262U true CN215752262U (en) | 2022-02-08 |
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| CN202121765839.6U Active CN215752262U (en) | 2021-07-30 | 2021-07-30 | Car networking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670767A (en) * | 2022-04-25 | 2022-06-28 | 北京理工大学 | Heavy commercial vehicle composite internet system and commercial vehicle |
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2021
- 2021-07-30 CN CN202121765839.6U patent/CN215752262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670767A (en) * | 2022-04-25 | 2022-06-28 | 北京理工大学 | Heavy commercial vehicle composite internet system and commercial vehicle |
| CN114670767B (en) * | 2022-04-25 | 2022-11-22 | 北京理工大学 | Heavy commercial vehicle composite internet system and commercial vehicle |
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