Commercial vehicle TBOX terminal dismounting alarm device

Abstract

The utility model relates to a commercial vehicle TBOX terminal dismantling alarm device, which comprises a TBOX terminal arranged on a commercial vehicle, a vehicle end low-voltage connecting wire harness and a remote TSP platform, the TBOX terminal comprises an MCU, a low-level effective circuit, a GSM communication module and a built-in battery, the low-level effective circuit is connected with the MCU through an SPI bus, the MCU is connected with the GSM communication module through an AT command, the GSM communication module is connected with the vehicle end low-voltage connecting wire harness, and the built-in battery is connected with the vehicle end low-voltage connecting wire harness. The built-in battery is connected with an internal circuit of the TBOX terminal through a power supply line to supply power, and the GSM communication module is connected with a remote TSP platform through a mobile communication network. The vehicle end low-voltage connecting wire harness is in one-way signal connection with the low-level effective circuit, the low-level effective circuit is in one-way signal connection with the MCU, the GSM communication module is in two-way signal connection with the MCU, and the GSM communication module is in two-way signal connection with the TSP platform. Once the dismantling alarm state is activated, the TBOX terminal immediately uploads the state to the TSP platform through the mobile communication network, and it is ensured that the monitoring center can receive dismantling alarm information in time.

Description

Technical Field

[0001] This utility model relates to a device for alarming the removal of a TBOX terminal in a commercial vehicle, belonging to the field of commercial vehicle control technology. Background Technology

[0002] Currently, commercial vehicles primarily rely on onboard TBOX terminals to obtain real-time operational data. This data serves two purposes: firstly, it meets the national standard 32960 vehicle monitoring requirements; secondly, enterprise TSP platforms utilize this data for fleet management, big data monitoring, and other higher-level applications. Furthermore, due to the high cost per commercial vehicle, sales are generally through fleet installment purchases or individual leasing. When users default on loans, remote vehicle locking and speed limiting also rely on TBOX terminals. However, there are instances of unscrupulous individuals dismantling terminals and using brute-force methods to bypass vehicle locking restrictions, posing a risk to vehicle manufacturers and third-party leasing institutions and potentially leading to financial disputes. Therefore, it is necessary to design a strategy that can promptly alert authorities when onboard TBOX terminals are removed. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a device for alarming the removal of a commercial vehicle TBOX terminal. When the vehicle TBOX terminal is removed from its installation location, an alarm is triggered and the removal alarm signal is uploaded to the TSP platform.

[0004] This utility model is achieved through the following technical solution: a device for removing and alarming a TBOX terminal in a commercial vehicle, characterized in that: it includes a TBOX terminal installed on the commercial vehicle, a vehicle-side low-voltage connection harness, and a remote TSP platform. The TBOX terminal includes an MCU, a low-level active circuit, a GSM communication module, and a built-in battery. The low-level active circuit is connected to the MCU via an SPI bus. The MCU is connected to the GSM communication module via AT commands. The built-in battery is powered by the internal circuitry of the TBOX terminal via a power supply line. The GSM communication module is connected to the remote TSP platform via a mobile communication network.

[0005] The low-voltage connection harness at the vehicle end is connected to the low-level active circuit in a unidirectional signal connection. The low-level active circuit is connected to the MCU in a unidirectional signal connection. The GSM communication module is connected to the MCU in a bidirectional signal connection. The GSM communication module is connected to the TSP platform in a bidirectional signal connection.

[0006] The TBOX terminal is powered by its built-in battery when the vehicle is offline or the external power supply is cut off.

[0007] The TBOX terminal has a built-in low-level active input circuit that continuously monitors the pins of the connector.

[0008] The pins of the vehicle-side low-voltage connection harness are connected to the vehicle body ground. These pins will maintain a low level to ensure proper connection of the TBOX terminal.

[0009] The TBOX terminal establishes a link with the TSP platform server through a mobile communication network.

[0010] The beneficial effects of this invention are as follows: Once the removal alarm is activated, the TBOX terminal will immediately upload the status to the TSP platform via the mobile communication network, ensuring that the monitoring center can receive the removal alarm information in a timely manner. Even in extreme cases where the vehicle is offline or the external power supply to the TBOX terminal is cut off, the terminal can still maintain basic operation using its built-in battery. Through delayed sleep and timed wake-up mechanisms, it continuously monitors the alarm status and ensures that alarm information is uploaded to the TSP platform in a timely manner. The TBOX terminal also establishes a link with the TSP platform server via the mobile communication network. Administrators can track the terminal's status in real time through the provided web interface. When the terminal generates a removal alarm, it will promptly notify the administrator through pop-up windows, facilitating timely tracking and problem resolution. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 This is a structural principle block diagram of this utility model;

[0013] Figure 2 This is a flowchart of the alarm procedure of this utility model;

[0014] Figure 3 This is the schematic diagram of the alarm circuit of this utility model. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0017] like Figure 1 The device for removing and alarming a TBOX terminal in a commercial vehicle is characterized by comprising a TBOX terminal installed on the commercial vehicle, a vehicle-side low-voltage connection harness, and a remote TSP platform. The TBOX terminal includes an MCU, a low-level active circuit, a GSM communication module, and a built-in battery. The low-level active circuit is connected to the MCU via an SPI bus. The MCU is connected to the GSM communication module via AT commands. The built-in battery is powered by the internal circuitry of the TBOX terminal via a power supply line. The GSM communication module is connected to the remote TSP platform via a mobile communication network.

[0018] The low-voltage connection harness at the vehicle end is connected to the low-level active circuit in a unidirectional signal connection. The low-level active circuit is connected to the MCU in a unidirectional signal connection. The GSM communication module is connected to the MCU in a bidirectional signal connection. The GSM communication module is connected to the TSP platform in a bidirectional signal connection.

[0019] When the vehicle is offline or the external power is cut off, the TBOX terminal uses its built-in battery to implement a delayed sleep and timed wake-up mechanism. After waking up, it continues to detect whether it has been removed, effectively avoiding the problem of the TBOX terminal being unable to report alarm signs in a timely manner when it is removed in special scenarios.

[0020] The TBOX terminal's built-in low-level active input circuit continuously monitors the pins of the connector. Under normal connection conditions, since the pins of the vehicle-side low-voltage wiring harness are connected to the vehicle ground, these pins will remain low, ensuring the normal connection of the TBOX terminal. In this state, the removal alarm flag is "No". Once the TBOX terminal is disconnected from the vehicle-side connector, the pin will change its level due to being floating. The microcontroller unit (MCU) program will recognize this change and update the removal alarm flag to "Yes" to indicate that the terminal has been illegally removed from the vehicle. Once the removal alarm is activated, the TBOX terminal will immediately upload this status to the TSP platform via the mobile communication network, ensuring that the monitoring center can receive the removal alarm information in a timely manner. Even in extreme cases where the vehicle is offline or the external power supply to the TBOX terminal is cut off, the terminal can still maintain basic operation using its internal battery. Through delayed sleep and timed wake-up mechanisms, it continuously monitors the alarm status and ensures that alarm information is uploaded to the TSP platform in a timely manner. The TBOX terminal also establishes a link with the TSP platform server through the mobile communication network. Administrators can track the terminal's status in real time through the provided operation web interface. When the terminal generates a removal alarm, it will promptly notify the administrator in the form of pop-up windows, which facilitates timely tracking and problem solving.

[0021] like Figure 2 The steps for removing the alarm from the TBOX terminal in a commercial vehicle are shown below:

[0022] The TBOX terminal sets a specific pin on its connector as an alarm detection pin and sets up a low-level active circuit inside the terminal to detect the status of this pin in real time.

[0023] When laying the low-voltage connection harness at the vehicle end, the alarm detection pins of the TBOX connector correspond to the pins of the vehicle end connector, and the other end needs to be connected to the vehicle body ground.

[0024] During the installation of the TBOX terminal, it is necessary to ensure that its plug-in and vehicle-side plug-in achieve a stable and correct electrical connection.

[0025] After the TBOX terminal is powered on, it will detect the level input of the alarm detection pin in its plug-in. When the MCU program detects a low level input, the alarm flag uploaded to the platform is "No". When the TBOX is disconnected from the vehicle plug-in, the alarm detection pin is left floating and is recognized by the MCU program, which will change the alarm flag to "Yes" and upload the status to the TSP platform.

[0026] Even in extreme cases where the vehicle is offline or the external power supply to the TBOX terminal is cut off, the terminal can still maintain basic operation by relying on its built-in battery. Through delayed sleep and timed wake-up mechanisms, it continuously monitors the alarm status and ensures that alarm information is uploaded to the TSP platform in a timely manner.

[0027] Once the TSP platform detects that the alarm flag has been updated to "Yes", it will immediately notify the administrator through a pop-up window on the interface, ensuring that the administrator can quickly obtain alarm information and take corresponding tracking and response measures when the TBOX terminal is removed or an anomaly occurs.

[0028] like Figure 3 As shown, when SWITCH_IN1 is grounded, the gate-source voltage difference VGS of MOSFET Q29 is less than VGS(th), so the MOSFET is turned on, and the IN1 signal is high, input to the MCU pin. The MCU determines that the TBOX is normally connected. When SWITCH_IN1 is floating, the gate-source voltage difference VGS = 0V > VGS(th), so the MOSFET is not turned on, and the IN1 signal is pulled to ground through resistor R213, becoming low. At this time, the MCU determines that the TBOX has been removed.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for a commercial vehicle TBOX terminal removal alarm, characterized in that: The application relates to a TBOX terminal arranged on a commercial vehicle, a vehicle-side low-voltage connection wire harness and a remote TSP platform, wherein the TBOX terminal comprises an MCU, a low-level effective circuit, a GSM communication module and a built-in battery; the low-level effective circuit is connected with the MCU through an SPI bus; the MCU is connected with the GSM communication module through an AT command; the built-in battery is connected with the internal circuit of the TBOX terminal through a power supply line to supply power; and the GSM communication module is connected with the remote TSP platform through a mobile communication network. The vehicle-side low-voltage connection wire harness is connected with the low-level effective circuit in a one-way signal connection mode, the low-level effective circuit is connected with the MCU in a one-way signal connection mode, the GSM communication module is connected with the MCU in a two-way signal connection mode, and the GSM communication module is connected with the TSP platform in a two-way signal connection mode.

2. The device for removing the alarm of the terminal of the TBOX of the commercial vehicle according to claim 1, characterized in that: The TBOX terminal is powered by the built-in battery in the case that the vehicle is offline or external power supply is cut off.

3. The device for removing the alarm of the terminal of the TBOX of the commercial vehicle according to claim 1, characterized in that: The low-level effective input circuit built in the TBOX terminal continuously monitors the pin of the connecting plug.

4. The device for removing the alarm of the terminal of the TBOX of the commercial vehicle according to claim 1, characterized in that: The pin of the vehicle-side low-voltage connection wire harness is connected with the body bonding strap, and the pin will maintain a low level to ensure the normal connection of the TBOX terminal.

5. The device for removing the alarm of the terminal of the TBOX of the commercial vehicle according to claim 1, characterized in that: The TBOX terminal establishes a link with the TSP platform server through a mobile communication network.

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