CN210895182U

CN210895182U - Vehicle-mounted terminal device based on normalized interface

Info

Publication number: CN210895182U
Application number: CN201922186533.4U
Authority: CN
Inventors: 任毅; 刘振宇
Original assignee: Skywooo Co ltd
Current assignee: Skywooo Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-06-30
Anticipated expiration: 2029-12-09

Abstract

The utility model provides a vehicle-mounted terminal device based on normalized interface belongs to the vehicle-mounted terminal structure field. The utility model discloses a power module, the host system who links to each other with power module and the peripheral hardware module more than 1 of passing through the signal line connection, wherein, host system includes main processing module and the normalization interface array module who links to each other with main processing module, normalization interface array module is equipped with the same communication interface of a plurality of, peripheral hardware module includes functional module and the interface adaptation module that is used for signal conversion, interface adaptation module with one of them communication interface of normalization interface array module links to each other. The utility model has the advantages that: the universality of the peripheral module is realized; the system design and construction are greatly simplified.

Description

Vehicle-mounted terminal device based on normalized interface

Technical Field

The utility model relates to a vehicle mounted terminal especially relates to a vehicle mounted terminal device based on normalized interface.

Background

In order to meet the requirement of networking applications of automobiles, it is a very important device to have an in-vehicle terminal for collecting and uploading information related to automobiles. With the increase of collected data, in addition to the conventional CAN bus interface (OBD II), audio interface (microphone), etc., the new demand is demanding more interfaces, such as video interface (CVBS or other standards), 3G/4G/5G communication interface, vehicle ethernet interface, and other module interfaces (such as Driver Monitoring System (DMS)).

For the related demand, there has been proposed a vehicle terminal scheme. For example, CN201620264147 "a beidou logistics vehicular terminal", CN201721120691 "small-sized industrial vehicular terminal for android", CN201820828089 "vehicular terminal", CN201821058292 "intelligent logistics vehicular terminal device for internet of things", CN201821364531 "vehicle vehicular terminal device for automobiles", and the like.

The current design needs to adapt to different protocols in order to deal with different sensor interfaces, and various connectors are prepared physically. If the requirement changes, the circuit needs to be redesigned and the appearance needs to be redesigned, so that the application scene of the multi-interface vehicle-mounted terminal device of a specific model is narrow.

SUMMERY OF THE UTILITY MODEL

For solving the problem among the prior art, the utility model provides an on-vehicle terminal device based on normalized interface, compatible various peripheral hardware communication module.

The utility model discloses a power module, the host system who links to each other with power module and the peripheral hardware module more than 1 of passing through the signal line connection, wherein, host system includes main processing module and the normalization interface array module who links to each other with main processing module, normalization interface array module is equipped with the same communication interface of a plurality of, peripheral hardware module includes functional module and the interface adaptation module that is used for signal conversion, interface adaptation module with one of them communication interface of normalization interface array module links to each other.

The utility model discloses make further improvement, still be equipped with protection module between host system and the peripheral hardware module.

The utility model discloses make further improvement, protection module is including cup jointing the cable fixed knot who is used for fixed noise shielding structure at noise shielding structure both ends at signal line outlying noise shielding structure and setting, cable fixed knot constructs both ends and still is equipped with the mounting, the interface of signal line both sides sets up respectively the mounting is inboard.

The utility model discloses make further improvement, every communication interface periphery of host system is equipped with the fixed knot who matches with the mounting and constructs, one side interface of peripheral hardware module is pegged graft the back with host system's communication interface, mounting and fixed knot construct fixed connection.

The utility model discloses make further improvement, fixed knot constructs for the external screw thread seat, cable fixed knot constructs and is equipped with the internal thread that matches with the external screw thread.

The utility model discloses make further improvement, be equipped with the external screw thread seat that matches with the fixed knot structure internal thread on the peripheral hardware module, the interface socket that peripheral hardware module and signal line plug match sets up at external screw thread seat middle part.

The utility model discloses make further improvement, interface adaptation module is for converting other interface signals into the conversion module of unified level standard signal (like the USB signal), the communication interface of normalization interface array module is unified level standard signal (like the USB interface).

The utility model discloses make further improvement, normalization interface array module is equipped with the data repeater that links to each other with all communication interfaces respectively.

Compared with the prior art, the beneficial effects of the utility model are that: through interface adaptation, each peripheral module is provided with a unified normalization interface, so that data and a power supply can be provided at the same time, and the universality of the peripheral modules is realized; the system design and the construction are simplified to a great extent; the vehicle-mounted terminal body is convenient to adapt to various peripheral equipment and provide convenient and stable connection by providing an interface and a drive; the protection module ensures that cable connectivity and data security meet industry standards or vehicle standard requirements of an application scenario.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the signal and power flow of the main control module of the present invention;

FIG. 3 is a schematic circuit diagram of the main control module of the present invention;

FIG. 4 is a block diagram of an exception module in accordance with one embodiment;

FIG. 5 is a block diagram of a peripheral module according to another embodiment;

fig. 6 is a schematic structural diagram of a protection module.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1, the utility model discloses a power module, the host system 101 that links to each other with power module and the peripheral module 105 more than 1 that is connected through the signal line, wherein, host system 101 includes main processing module 103 and the normalization interface array module 102 that links to each other with main processing module 103, normalization interface array module 102 is equipped with the same communication interface of a plurality of, peripheral module 105 includes functional module 107 and the interface adaptation module 106 that is used for signal conversion, interface adaptation module 106 with one of them communication interface of normalization interface array module 102 links to each other.

The peripheral module 105 in this example is configured as required and may be a communication module (3G/4G), a CAN module (OBD), a video module or a temperature sensing module, etc. The different functions are implemented in the functional module 107 shown in the figure, and are converted into a unified interface, such as a USB Type-C interface, by the interface adaptation module 106 included in each peripheral module.

The main module 101 of the vehicle-mounted terminal is responsible for collecting data, locally processing or uploading data to a cloud, and further comprises other interfaces 140. The data of each peripheral module 105 is received and transmitted by the unified interface module 102, and is locally processed by the main processing module 103 or uploaded to the cloud (through a communication module). For related peripherals that are not suitable for the normalized interface, such as power supply, GPS antenna, etc., are connected through the other interface module 104 in this example.

Preferably, a protection module 108 for protecting the signal line cable is further disposed between the main control module 101 and the peripheral module 105, so as to ensure that the cable connectivity and the data security meet the industrial standard or the vehicle standard required by the application scenario.

As shown in fig. 6, the protection module 108 includes a noise shielding structure 1081 sleeved on the periphery of the signal line for protecting the cable and shielding noise, and a cable fixing structure 1082 provided at two ends of the noise shielding structure 1081 for fixing the signal line and the noise shielding structure 1081, wherein two ends of the cable fixing structure 1082 are further provided with a fixing member 1083, and the interfaces at two sides of the signal line are respectively disposed inside the fixing member 1083. The noise shielding structure 1081 of this embodiment is a shielding mesh sleeved on the periphery of the signal line.

As shown in fig. 2, 4 and 5, the outer walls of the main control module 101 and the peripheral module 105 of this embodiment are respectively provided with fixing structures matched with the fixing pieces, the fixing structures of this embodiment are

external thread seats

109 and 110, and the cable fixing structure 1083 is provided with internal threads matched with the external threads.

The interface socket of the peripheral module 105 matched with the signal line plug is arranged in the middle of the external thread seat. Similarly, an external thread seat 109 matched with the fixing piece 1083 is arranged on the periphery of each communication interface of the main control module 101, and after an interface on one side of the peripheral module is plugged with the communication interface of the main control module 101, the fixing piece 1083 is in threaded connection with the external thread seat 109.

The protection module in the embodiment is based on threads, the connecting cable is fixed at two ends of the main module and the peripheral module of the vehicle-mounted terminal, the cable fixing structure ensures that the cable does not move inside the protection module, and the noise shielding structure ensures that the cable works in a complex vehicle-mounted environment.

As shown in fig. 2 and fig. 3, the main control module 101 of this embodiment has a normalized interface array module 102, and the communication interfaces of this embodiment are described by taking a Type-C interface of a USB as an example, where the number of the Type-C interfaces is 4, and may be set to be more according to requirements. This example provides both data transceiving and peripheral module 105 power over the Type-C interface. In terms of data, port data enters a data repeater, which is a HUB in this example, and may also be another chip such as a HUB ASIC chip or an FPGA. Meanwhile, after being processed by the normalized interface array module 102, the power of the main control module 101 is also transmitted to the peripheral module 105 through the port, and is used as the power of the peripheral module. Therefore, through the normalized port, data receiving, sending and power supply are provided for the peripheral module, and the system is very convenient to deploy.

As shown in fig. 3, the SC8915 power modules are used for supplying power uniformly, the SC8915 power modules are connected to external power through other interfaces CON1, the main control module in this example is U8, and the normalization interface array module 102 is connected to 4 Type-C interfaces CON2-CON5 through a data forwarding chip U7.

Compared with the traditional vehicle-mounted terminal device, the vehicle-mounted terminal device is added with the normalization interface, and is realized by the normalization interface array module 102 in the vehicle-mounted terminal main module 101 and the interface adaptation module in the peripheral module 105, so that the universality of the peripheral module is realized. When the requirement is changed, only the type and the number of the peripheral modules need to be changed.

Meanwhile, the main processing module 103 in this embodiment is based on a real-time operating system (RTOS) or other operating systems, and already prepares the driver of each candidate peripheral module during system clipping, and the corresponding driver can be matched at any time when the peripheral module is replaced. If the peripheral module has a communication module, the main processing module 103 may also update the associated driver, improve performance/stability, or support a new peripheral module.

As shown in fig. 4, as an embodiment of the present invention, the present example takes a temperature sensor module as an example to describe an implementation manner of the peripheral module.

The peripheral module 105 is externally connected with a temperature sensor probe, the functional module 107 is a temperature sensor processing module, the traditional digital thermometer is a UART interface (RS-232/RS-485), such as the temperature sensor module in fig. 4, in embodiment 1 of the present invention, the interface is converted into a unified interface by adding the interface adapting module 106, and in this embodiment, the UART to USB chip is used. Therefore, the integral temperature sensor module takes the normalized interface as a port and can work with the main module 101 of the vehicle-mounted terminal in a matching way.

As shown in fig. 5, as another embodiment of the present invention, the peripheral module 105 of the present embodiment is a communication module, the function module 107 is implemented by a 3G/4G module and is implemented by a 3G/4G antenna, and the interface adaptation module of the present embodiment is also implemented by a UART-to-USB chip.

The utility model has the advantages of it is following:

1. the normalization interface is added and is realized by a normalization interface array module in the vehicle-mounted terminal main control module and an interface adaptation module in the peripheral module, so that the universality of the peripheral module is realized. When the requirement is changed, only the type and the number of the peripheral modules need to be changed;

2. the normalization interface simultaneously provides power supply and data connection, and system design and construction can be simplified to a great extent under the condition that other power supplies do not have special duration;

3. the vehicle-mounted terminal body is convenient to adapt to various peripheral equipment and provide convenient and stable connection by providing an interface and a drive;

4. the protection module ensures that cable connectivity and data security meet industry standards or vehicle standard requirements of an application scenario.

It should be noted that, in this embodiment, the unified level standard signal used is a USB standard, and in other embodiments, other signals may also be used, such as a TCP signal based on a vehicle-mounted ethernet, and a vehicle-mounted ethernet or an air interface is used, which are all within the protection scope of the present invention.

The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a vehicle-mounted terminal device based on normalization interface which characterized in that: the intelligent power supply comprises a power supply module, a main control module connected with the power supply module and more than 1 peripheral module connected with the main control module through a signal line, wherein the main control module comprises a main processing module and a normalization interface array module connected with the main processing module, the normalization interface array module is provided with a plurality of same communication interfaces, the peripheral module comprises a function module and an interface adaptation module used for signal conversion, and the interface adaptation module is connected with one communication interface of the normalization interface array module.

2. The normalized interface-based in-vehicle terminal apparatus according to claim 1, wherein: and a protection module is also arranged between the main control module and the peripheral module.

3. The normalized interface-based in-vehicle terminal apparatus according to claim 2, wherein: the protection module comprises a noise shielding structure sleeved on the periphery of the signal wire and cable fixing structures which are arranged at two ends of the noise shielding structure and used for fixing the noise shielding structure, fixing parts are further arranged at two ends of the cable fixing structures, and interfaces on two sides of the signal wire are respectively arranged on the inner sides of the fixing parts.

4. The normalized interface-based in-vehicle terminal apparatus according to claim 3, wherein: the periphery of each communication interface of the main control module is provided with a fixing structure matched with the fixing piece, and after an interface on one side of the peripheral module is spliced with the communication interface of the main control module, the fixing piece is fixedly connected with the fixing structure.

5. The normalized interface-based in-vehicle terminal apparatus according to claim 4, wherein: the fixing structure is an external thread seat, and the cable fixing structure is provided with an internal thread matched with the external thread.

6. The normalized interface-based in-vehicle terminal apparatus according to claim 5, wherein: the peripheral module is provided with an external thread seat matched with the internal thread of the fixed structure, and an interface socket matched with the signal line plug of the peripheral module is arranged in the middle of the external thread seat.

7. The normalized interface-based in-vehicle terminal apparatus according to any one of claims 1 to 6, characterized in that: the interface adaptation module is a conversion module for converting other interface signals into uniform level standard signals, and the communication interface of the normalization interface array module is a uniform level standard signal interface.

8. The normalized interface-based in-vehicle terminal apparatus according to claim 7, wherein: the normalization interface array module is provided with a data repeater which is respectively connected with all the communication interfaces.