Driving test terminal

Abstract

The utility model discloses a driving test terminal. Comprising a first wired network communication module, a second wired network communication module, a 4G communication module, a radio station communication module, a vehicle signal acquisition module and a UB482 high-precision positioning module which are arranged on a main control board; the first wired network communication module is used for outputting the signal acquired by the vehicle signal acquisition module to a computer through a network cable; the second wired network communication module is used for being connected with a wireless network bridge through a network cable so as to receive a wireless local area network signal; the 4G communication module is used for receiving a 4G positioning signal sent by a base station; the radio station communication module is used for receiving a radio station positioning signal sent by a base station; and the UB482 high-precision module is used for performing centimeter-level positioning according to signals received by the second wired module, the 4G communication module and the radio station communication module. According to the utility model, the high-precision (centimeter-level) positioning module UB482 is adopted, and high-precision positioning can be carried out in complex environments such as urban blocks, tree shade and bridge-crossing shielding.

Description

Technical Field

[0001] The utility model relates to a driving test terminal. Background Art

[0002] Chinese patent CN 209514947 U discloses a vehicle-mounted driving test terminal. In this application, a GPS positioning module is used for positioning, but GPS positioning has poor accuracy and is prone to failure to perform timely and accurate positioning in complex environments such as urban blocks, tree shades, and bridge obstructions. Utility Model Content

[0003] To overcome the above-mentioned defects, the purpose of the present invention is to provide a new type of driving test terminal.

[0004] In order to achieve the above-mentioned purpose, the driving test terminal of the utility model comprises a housing; a main control board is arranged in the housing; and the main control board is arranged with:

[0005] A first wired network communication module, a second wired network communication module, a 4G communication module, a radio communication module, a vehicle signal acquisition module and a UB482 high-precision positioning module;

[0006] A first wired network communication module, used to output the signal collected by the vehicle signal collection module to a computer via a network cable;

[0007] The second wired network communication module is used to connect to the wireless bridge via a network cable to receive wireless local area network signals;

[0008] 4G communication module, used to receive 4G positioning signals sent by base stations;

[0009] A radio communication module is used to receive radio positioning signals sent by a base station;

[0010] The UB482 high-precision module is used to perform centimeter-level positioning based on the signals received by the second wired module, the 4G communication module, and the radio communication module.

[0011] Furthermore, the radio communication module is a HX-DU1012 module.

[0012] Furthermore, it also includes a first WIFI module for configuring 4G communication module parameters and radio communication module parameters.

[0013] Furthermore, it also includes a second WIFI module for configuring the parameters of the UB482 high-precision module; and a third WIFI module for configuring the parameters of the vehicle signal acquisition module.

[0014] Furthermore, the 4G communication module is a WH-G405tf module.

[0015] Furthermore, the signal acquisition module is used to collect foot brakes, clearance lights, fog lights, seat belts, handbrakes, doors, high beams, low beams, right turns, left turns, ignition switches, clutches, horns, left infrared, right infrared, gear 1, gear 2, gear 3, auxiliary brake pedal, vehicle speed, and rotation speed signals.

[0016] Furthermore, the housing is provided with an antenna connector connected to the radio communication module and the UB482 module.

[0017] Furthermore, a display module is arranged on the housing, and the display module is connected to the main control board via a wire.

[0018] The utility model adopts the high-precision (centimeter-level) positioning module UB482, which supports the full system and full frequency band of BDS / GPS / GLONASS / Galileo / QZSS. It can perform high-precision positioning in complex environments such as urban blocks, tree shades, and bridge obstructions, meeting the accuracy requirements of subject two and subject three examinations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the main control board in an embodiment of the utility model.

[0020] Figure 2 for Figure 1 Schematic diagram of the structure after adding the vehicle signal acquisition module.

[0021] Figure 3 It is a structural block diagram of the utility model.

[0022] Figure 4 It is a communication diagram of the positioning module UB482 in the utility model. DETAILED DESCRIPTION

[0023] The embodiments of the utility model are described in detail below with reference to the accompanying drawings.

[0024] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model aims to provide a driving test terminal designed based on the UB482 high-precision positioning module. UB482 is a device that can receive GPSL1, L2, Beidou B1, B2, GLONASS L1, L2, GalileoE1 / E5b frequencies; it can be used for RTK differential, and supports dual-antenna direction finding, with up to 20Hz positioning and directional data output. RTK (Real-time kinematic) carrier phase differential technology is a differential method for real-time processing of carrier phase observations of two measuring stations. The carrier phase collected by the base station is sent to the user receiver to calculate the difference coordinates; thus, centimeter-level positioning accuracy can be obtained in real time in the field. The utility model receives satellite positioning signals through the UB482 module, and performs differential positioning through base station signals received by wired, 4G, and radio stations. It can perform centimeter-level high-precision positioning in complex environments such as urban blocks, shaded trees, and bridge obstructions, meeting the accuracy requirements of the second and third subject examinations.

[0028] like Figure 1 and Figure 2 As shown, a schematic diagram of the main control board of the driving test terminal of the utility model includes a shell 1; a main control board 2 is arranged in the shell, and a data interaction chip, such as IP178GI, is arranged on the main control board for data interaction between various communication modules; the main control board is provided with: a first WIFI module 31, a second WIFI module 32, a wired network communication module 9, a 4G communication module 5, a radio communication module 6, a vehicle signal acquisition module and a UB482 high-precision positioning module 3; the data interaction between the modules adopts the main control chip (IP178GI) 11 on the main control board.

[0029] The first WIFI module can adopt USR-C322 WiFi module 31, which is used to configure 4G module parameters & radio parameters; the second WIFI module 32 can adopt two USR-WIFI232-A modules, which are used to configure GPS module & signal acquisition module related parameters.

[0030] The radio communication module 5 adopts the HX-DU1012 module, which is used to receive the signal of the base station (reference station) radio and transmit it to the UB482 module for differential positioning.

[0031] The 4G communication module 5 is a WH-G405tf module, which is used to receive signals sent by the base station (reference station) and transmit them to the UB482 module through the main control chip for differential positioning.

[0032] Wired network communication module 9, the wired network communication module has multiple network ports, among which at least one network port is used to connect to the on-board computer through a network cable, and is used to output the test information collected by the vehicle signal acquisition module to the on-board computer; so that the test software can judge the test items. There is also at least one network port for connecting to more than one wireless bridge through a network cable. The wireless bridges on each test vehicle and the base station together form a local area network to transmit the positioning signals sent by the base station to each other, and transmit them to the UB482 module through the main control chip for differential positioning, and at the same time connect to an external computer to transmit positioning information and vehicle signal information.

[0033] The vehicle signal acquisition module 10 is connected to 22 signal sensors on the vehicle through wires to monitor the vehicle signals in real time, including: collecting foot brakes, clearance lights, fog lights, seat belts, hand brakes, doors, high beams, low beams, right turns, left turns, ignition switches, clutches, horns, left infrared, right infrared, gear 1, gear 2, gear 3, auxiliary brake pedal, vehicle speed, and speed signals. The vehicle signal acquisition module is a prior art and can be implemented using various single-chip microcomputers, such as ATMEGA64A chips. The output end of the signal acquisition module 10 is connected to the main control board using a plug-in terminal block, and is output to the on-board computer by the wired network communication module on the main control board.

[0034] As a further improvement of the utility model, a WIFI antenna connector 7 is provided on the housing, and the WIFI antenna connector is connected to the USR-C322 WiFi module and the USR-WIFI232-A2 module via a connecting line.

[0035] As a further improvement of the utility model, an antenna connector 8 is provided on the shell, and the antenna connector is connected to the HX-DU1012 module and the UB482 module through a wire.

[0036] As a further improvement of the utility model, a display module is arranged on the shell, and the display module is connected to the main control board through a wire, and is composed of a plurality of LED lights to display the working conditions of each module.

[0037] The utility model is described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the utility model. Many other changes and modifications that do not depart from the concept and scope of the utility model should be considered as the protection scope of the utility model.

[0038] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0039] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A driving test terminal, characterized in that: It comprises a housing; a main control board is arranged in the housing; and the main control board is provided with: A first wired network communication module, a second wired network communication module, a 4G communication module, a radio communication module, a vehicle signal acquisition module and a UB482 high-precision positioning module; A first wired network communication module, used to output the signal collected by the vehicle signal collection module to a computer via a network cable; The second wired network communication module is used to connect to the wireless bridge via a network cable to receive wireless local area network signals; 4G communication module, used to receive 4G positioning signals sent by base stations; A radio communication module is used to receive radio positioning signals sent by a base station; The UB482 high-precision module is used to perform centimeter-level positioning based on the signals received by the second wired module, the 4G communication module, and the radio communication module.

2. The driving test terminal according to claim 1, characterized in that: The radio communication module is HX-DU1012 module.

3. The driving test terminal according to claim 1, characterized in that: It also includes a first WIFI module for configuring 4G communication module parameters and radio communication module parameters.

4. The driving test terminal according to claim 1, characterized in that: It also includes a second WIFI module for configuring the parameters of the UB482 high-precision module; and a third WIFI module for configuring the parameters of the vehicle signal acquisition module.

5. The driving test terminal according to claim 1, characterized in that: The 4G communication module is a WH-G405tf module.

6. The driving test terminal according to claim 1, characterized in that: The signal acquisition module is used to collect signals of foot brake, clearance light, fog light, seat belt, handbrake, door, high beam, low beam, right turn, left turn, ignition switch, clutch, horn, left infrared, right infrared, gear one, gear two, gear three, auxiliary brake pedal, vehicle speed and rotation speed.

7. The driving test terminal according to claim 1, characterized in that: The shell is provided with an antenna connector connected with the radio communication module and the UB482 module.

8. The driving test terminal according to claim 1, characterized in that: A display module is arranged on the shell, and the display module is connected to the main control board through a wire.

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