Vehicle-mounted OBU with stable performance
By designing a sliding plate and threaded rod structure in the on-board OBU to fix the ETC electronic card, the problem of the ETC electronic card loosening during bumps is solved, and the stable performance and convenient use of the on-board OBU are achieved.
Patent Information
- Application Number
- CN202422962489.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-12-03
AI Technical Summary
The ETC electronic card of the vehicle-mounted OBU may become loose due to bumps during driving, resulting in unstable performance.
A structure including a protective shell, a sliding plate, a threaded rod and a movable knob is designed. The ETC electronic card is fixed through the cooperation of the sliding plate and the threaded rod to prevent loosening.
It effectively prevents the ETC electronic card from loosening, ensures the stable performance of the on-board OBU, and increases the convenience of use and heat dissipation effect of the device.
Smart Images

Figure CN223437081U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of OBUs, and in particular relates to a vehicle-mounted OBU with stable performance. Background Art
[0002] An OBU, or onboard unit, is a microwave device that uses DSRC technology to communicate with the RSU. In the ETC system, the OBU is placed on the vehicle and a roadside unit is installed on the roadside, communicating with each other via microwaves. When a vehicle passes an RSU at high speed, the OBU and RSU communicate using microwaves, much like contactless cards, but at a greater distance and higher frequency. Upon passing, the OBU and RSU are authenticated, the vehicle type is determined, the toll rate is calculated, and the toll is deducted.
[0003] The vehicle-mounted OBU is an electronic device that facilitates the passage of cars on highways. However, during the driving process, the ETC electronic card may become loose due to bumps, making the OBU unable to work normally and causing the performance of the vehicle-mounted OBU to become unstable. The problem addressed by this device is how to prevent the ETC electronic card of the vehicle-mounted OBU from loosening. Utility Model Content
[0004] In order to solve the problems raised in the above background technology, the utility model provides a vehicle-mounted OBU with stable performance, which solves the problem of how to prevent the ETC electronic card of the vehicle-mounted OBU from loosening.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a vehicle-mounted OBU with stable performance, comprising a protective shell, a mounting bracket fixedly installed in the middle of the top of the protective shell, a sliding plate slidably installed inside the mounting bracket, and the sliding plate is L-shaped, a U-shaped plate fixedly installed on the right side of the top of the mounting bracket, a threaded rod threadedly installed on the top of the U-shaped plate, a movable knob fixedly installed on the top of the threaded rod, a movable plate fixedly installed on the left side of the top of the sliding plate, a snap-on plate fixedly installed on one side of the bottom of the sliding plate, an ETC electronic card slidably installed inside the protective shell, and the right side of the ETC electronic card is arranged inside the snap-on plate, a main circuit board, a GPS component, a GPRS module, a wireless LAN card, a power supply unit, a photovoltaic power generation module and a power booster are fixedly installed inside the protective shell, and the ETC electronic card is electrically connected to the GPRS module, and the GPS component, GPRS module, wireless LAN card, power supply unit, photovoltaic power generation module and power booster are all electrically connected to the main circuit board.
[0006] Preferably, the front and back sides of the protective shell are both provided with heat dissipation slots, and there are a plurality of heat dissipation slots, and the plurality of heat dissipation slots are linearly arranged on the front and back sides of the protective shell.
[0007] Preferably, the left side of the protective shell is slidably mounted with a battery cover, and the surface of the battery cover is fixedly mounted with anti-skid lines.
[0008] Preferably, the left side of the top of the protective shell is fixedly mounted with a mounting plate, the top of the mounting plate is fixedly mounted with a plurality of power indicator lights, and the power indicator lights are electrically connected with the power supply unit.
[0009] Preferably, the rear side of the top of the protective shell is fixedly mounted with a working indicator light, and the working indicator light is electrically connected with the GPRS module.
[0010] Preferably, the left side of the bottom of the protective shell is fixedly mounted with a solar cell panel, the right side of the bottom of the protective shell is fixedly mounted with M adhesive, the solar cell panel is electrically connected with the photovoltaic power generation module, and the photovoltaic power generation module is electrically connected with the power supply unit.
[0011] Preferably, the right side of the protective shell is provided with a fixed groove, and the fixed groove is in the shape of a circular arc.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] After the ETC electronic card is inserted into the device, the sliding plate can be driven to move leftwards by the moving plate, so that the clamping plate can abut against the right side of the ETC electronic card, then the threaded rod is driven to rotate by the movable knob, since the threaded rod is in threaded connection with the top of the U-shaped plate, the threaded rod moves downwards and abuts against the top of the sliding plate when the threaded rod rotates, thereby realizing the position fixing of the sliding plate and the clamping plate, avoiding the loosening of the ETC electronic card, and being beneficial to avoiding the instability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0014] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:
[0015] Fig. 1 It is the first kind of three-dimensional structure diagram of the utility model;
[0016] Fig. 2 It is the second kind of three-dimensional structure diagram of the utility model;
[0017] Fig. 3 It is the third kind of three-dimensional structure diagram of the utility model.
[0018] In the figure: 1, protective shell; 2, moving plate; 3, working indicator light; 4, mounting plate; 5, battery cover; 6, anti-skid pattern; 7, mounting bracket; 8, U-shaped plate; 9, heat dissipation groove; 10, sliding plate; 11, 3M adhesive; 12, solar panel; 13, fixing groove; 14, clamping plate; 15, power indicator light; 16, movable knob; 17, threaded rod; 18, ETC electronic card. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] Please refer to Figs. 1-3 The utility model provides the following technical scheme: a kind of vehicle-mounted OBU for stable performance, including protective shell 1, the middle of the top of protective shell 1 is fixedly installed with mounting bracket 7, sliding plate 10 is slidably installed in the inside of mounting bracket 7, and sliding plate 10 is L-shaped, U-shaped plate 8 is fixedly installed on the right side of the top of mounting bracket 7, threaded rod 17 is screw-mounted on the top of U-shaped plate 8, movable knob 16 is fixedly installed on the top end of threaded rod 17, moving plate 2 is fixedly installed on the left side of the top of sliding plate 10, clamping plate 14 is fixedly installed on one side of the bottom of sliding plate 10, ETC electronic card 18 is slidably installed in the inside of protective shell 1, and the right side of ETC electronic card 18 is arranged in the inside of clamping plate 14, main circuit board, GPS component, GPRS module, wireless LAN card, power unit, photovoltaic power generation module and power amplifier are fixedly installed in the inside of protective shell 1, and ETC electronic card 18 is electrically connected with GPRS module, and GPS component, GPRS module, wireless LAN card, power unit, photovoltaic power generation module and power amplifier are all electrically connected with main circuit board.
[0021] After the ETC electronic card 18 is inserted into the device, due to the sliding connection of the sliding plate 10 and the inside of the mounting frame 7, the sliding plate 10 can be moved to the left by moving the plate 2, so that the clamping plate 14 can abut against the right side of the ETC electronic card 18, and then the threaded rod 17 is driven to rotate by the movable knob 16, and since the threaded rod 17 is threadedly connected with the top of the U-shaped plate 8, the rotation of the threaded rod 17 will make the threaded rod 17 move downward, and the bottom end of the threaded rod 17 abuts against the top of the sliding plate 10, realizing the position fixing of the sliding plate 10 and the clamping plate 14, avoiding the problem of looseness of the ETC electronic card 18, and facilitating the device to be not prone to unstable performance. The setting of the mounting plate 4 can facilitate the installation of the power indicator light 15. Since the power indicator light 15 is electrically connected with the power supply unit, the remaining power of the device can be reflected through the power indicator light 15. The setting of the working indicator light 3, and since the working indicator light 3 is electrically connected with the GPRS module, when the ETC electronic card 18 is correctly inserted, the working indicator light 3 will light up, showing that the device is in normal working state. The setting of the solar cell panel 12, and since the solar cell panel 12 is electrically connected with the photovoltaic power generation module, by cooperating with the setting of the photovoltaic power generation module, the power supply unit can be conveniently charged. The setting of the 3M adhesive 11 can facilitate the device to be installed on the front windshield of the car. The setting of the fixing groove 13, and since the fixing groove 13 is arc-shaped, the user can conveniently pull out the ETC electronic card 18. The setting of the heat dissipation groove 9 can facilitate the heat dissipation of the inside of the protective shell 1, avoiding the influence of overheating on the normal use of the device. Since the plurality of heat dissipation grooves 9 are linearly arranged on the front and back of the protective shell 1, the heat dissipation effect of the device can be further improved. By removing the battery cover 5, the power supply unit inside the protective shell 1 can be conveniently disassembled and replaced. The setting of the anti-skid pattern 6 can make the battery cover 5 be removed more easily, increasing the convenience of using the device. All electrical equipment in the device is powered by the built-in battery.
[0022] In one aspect of the embodiment, the setting of the heat dissipation groove 9 can facilitate the heat dissipation of the inside of the protective shell 1, avoiding the influence of overheating on the normal use of the device. Since the plurality of heat dissipation grooves 9 are linearly arranged on the front and back of the protective shell 1, the heat dissipation effect of the device can be further improved. By removing the battery cover 5, the power supply unit inside the protective shell 1 can be conveniently disassembled and replaced. The setting of the anti-skid pattern 6 can make the battery cover 5 be removed more easily, increasing the convenience of using the device.
[0023] In one aspect of the embodiment, for the installation of the power indicator 15, since the power indicator 15 is electrically connected with the power supply unit, the remaining power of the device can be indicated by the power indicator 15. For the installation of the working indicator 3, since the working indicator 3 is electrically connected with the GPRS module, the working indicator 3 will light up when the ETC electronic card 18 is correctly inserted, indicating that the device is in a normal working state.
[0024] In one aspect of the embodiment, for the installation of the solar cell panel 12, since the solar cell panel 12 is electrically connected with the photovoltaic power generation module, the device can be charged by the photovoltaic power generation module. For the installation of the 3M adhesive 11, the device can be installed on the front windshield of the vehicle. For the installation of the fixing groove 13, since the fixing groove 13 is in the shape of a circular arc, the user can easily pull out the ETC electronic card 18.
[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A vehicle-mounted OBU with stable performance, comprising a protective housing (1), characterized in that: A mounting frame (7) is fixedly installed in the middle of the top of the protective shell (1), a sliding plate (10) is slidably installed inside the mounting frame (7), and the sliding plate (10) is L-shaped, a U-shaped plate (8) is fixedly installed on the right side of the top of the mounting frame (7), a threaded rod (17) is threadedly installed on the top of the U-shaped plate (8), and a movable knob (16) is fixedly installed on the top of the threaded rod (17), a movable plate (2) is fixedly installed on the left side of the top of the sliding plate (10), and a clamping plate (14) is fixedly installed on one side of the bottom of the sliding plate (10). ), an ETC electronic card (18) is slidably installed inside the protective shell (1), and the right side of the ETC electronic card (18) is arranged inside the card plate (14), and a main circuit board, a GPS component, a GPRS module, a wireless local area network card, a power supply unit, a photovoltaic power generation module and a power booster are fixedly installed inside the protective shell (1), and the ETC electronic card (18) is electrically connected to the GPRS module, and the GPS component, the GPRS module, the wireless local area network card, the power supply unit, the photovoltaic power generation module and the power booster are all electrically connected to the main circuit board.
2. A vehicle-mounted OBU for stable performance according to claim 1, characterized in that: The front and back sides of the protective shell (1) are both provided with heat dissipation slots (9), and a plurality of heat dissipation slots (9) are provided, and the plurality of heat dissipation slots (9) are linearly arranged on the front and back sides of the protective shell (1).
3. A vehicle-mounted OBU for stable performance according to claim 1, characterized in that: A battery slide cover (5) is slidably mounted on the left side of the protective housing (1), and anti-slip patterns (6) are fixedly mounted on the surface of the battery slide cover (5).
4. A vehicle-mounted OBU for stable performance according to claim 1, characterized in that: A mounting plate (4) is fixedly mounted on the left side of the top of the protective housing (1), a power indicator light (15) is fixedly mounted on the top of the mounting plate (4), and a plurality of power indicator lights (15) are provided, and the power indicator lights (15) are electrically connected to the power supply unit.
5. A vehicle-mounted OBU for stable performance according to claim 1, characterized in that: A working indicator light (3) is fixedly mounted on the rear side of the top of the protective housing (1), and the working indicator light (3) is electrically connected to the GPRS module.
6. A vehicle-mounted OBU for stable performance according to claim 1, characterized in that: A solar cell panel (12) is fixedly mounted on the left side of the bottom of the protective shell (1), a 3M adhesive (11) is fixedly mounted on the right side of the bottom of the protective shell (1), and the solar cell panel (12) is electrically connected to the photovoltaic power generation module, and the photovoltaic power generation module is electrically connected to the power supply unit.
7. A vehicle-mounted OBU for stable performance according to claim 1, characterized in that: A fixing groove (13) is provided on the right side of the protective shell (1), and the fixing groove (13) is in an arc shape.