Vehicle-mounted remote control terminal device
By designing a vehicle-mounted remote control terminal device, using level conversion circuits and electrical signal processing circuits to process external signals, and outputting command signals to the vehicle-mounted control module, the emergency parking problem of the escort truck under uncontrolled conditions is solved, and the escort truck is realized Safety assurance and concealment of the device.
Patent Information
- Application Number
- CN202420919685.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-29
AI Technical Summary
If an uncontrolled situation occurs during the execution of a mission, it cannot be blocked through its own protection and requires external assistance, and the existing technology will be difficult to achieve emergency parking and the device is easily damaged and removed, affecting the safety of the escort truck and property.
Design a vehicle-mounted remote control terminal device, including a communication module, a voltage control module and a vehicle-mounted control module, and process external electrical signals through level conversion circuit, PMOS tube and electrical signal processing circuit, output command signals to the vehicle-mounted control module, and realize remote control With voice reminder, combined with buzzer alarm and self-recovery fuse protection circuit, ensure that the device is concealed and not easily damaged.
The emergency parking and voice reminder functions of the escort truck are realized, ensuring the safety of personnel, escort truck and property. The device is small in size, convenient in operation and difficult to detect, damage and dismantle.
Smart Images

Figure CN222192397U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of intelligent security, in particular to a vehicle-mounted remote control terminal device. Background Art
[0002] Escort vehicles are a type of special vehicle used to transport cash and valuables. In order to ensure the safety of the escort vehicle and the property on the vehicle, real-time control of the escort vehicle is very important. If an escort vehicle encounters an uncontrolled situation during the execution of the mission, it cannot be blocked by its own protection and needs external assistance, which is difficult to implement on the existing escort vehicles.
[0003] Therefore, it is particularly important to achieve emergency parking through a remote control system that is not easily destroyed or dismantled, thereby ensuring the safety of the escort vehicle and property. Utility Model Content
[0004] In order to solve the problem of vehicle-mounted remote control, the utility model provides a vehicle-mounted remote control terminal device.
[0005] In a first aspect, the utility model provides a vehicle-mounted remote control terminal device, comprising: a communication module, a voltage control module and a vehicle-mounted control module, wherein the input end of the voltage control module is connected to the output end of the communication module, and the output end of the voltage control module is connected to the input end of the vehicle-mounted control module.
[0006] Furthermore, the communication module receives an external electrical signal, and the output end of the communication module outputs the electrical signal and sends it to the voltage control module. After the voltage control module processes the electrical signal, it is output from the output end of the voltage control module and transmitted to the vehicle control module.
[0007] Furthermore, the voltage control module includes a level conversion circuit, a PMOS tube and an electrical signal processing circuit, the level conversion circuit includes an input terminal CTRL and an output terminal control, wherein the output terminal control of the level conversion circuit is connected to the PMOS tube, and the PMOS tube is connected to the electrical signal processing circuit.
[0008] Furthermore, the input end of the level conversion circuit inputs a high level and outputs it to the PMOS tube, the PMOS tube outputs a low level signal to the electrical signal processing circuit, and the electrical signal processing circuit receives the low level signal and outputs a command signal.
[0009] Furthermore, the input end of the level conversion circuit inputs a low level and outputs it to the PMOS tube, and the output of the PMOS tube is cut off.
[0010] Furthermore, the level conversion circuit also includes a first preset power supply V1, a first resistor R1, a second resistor R2 and an optocoupler U1, the optocoupler U1 includes a primary end pin 1, a primary end pin 2, a secondary end pin 3 and a secondary end pin 4; the primary end pin 1 of the optocoupler U1 is connected to the input end of the communication module, and the secondary end pin 3 of the optocoupler U1 is connected to the first end of the second resistor R2.
[0011] Furthermore, the second end of the second resistor R2 is connected to the first preset power supply V1, the primary end 2 pin of the optocoupler U1 is connected to the first end of the first resistor R1, the second end of the first resistor R1 is grounded, and the secondary end 4 pin of the optocoupler U1 is grounded.
[0012] Furthermore, the source of the PMOS tube is connected to a second preset power source V2, the gate of the PMOS tube is connected to an output terminal control of the level conversion circuit, and the drain of the PMOS tube is connected to an input terminal of the electrical signal processing circuit.
[0013] Furthermore, the electrical signal processing circuit includes a varistor R3, a freewheeling diode D1, a resettable fuse F3 and an output device CN1. The varistor R3 and the freewheeling diode D1 form a parallel circuit. The first end of the parallel circuit is connected to pin 2 of the output device CN1, and the second end of the parallel circuit is connected to pin 1 of the output device CN1 through the resettable fuse F3. After the varistor R3 and the freewheeling diode D1 control the voltage of the signal input to the PMOS tube, the signal is output by the output device CN1.
[0014] Furthermore, the vehicle-mounted control module includes a memory and an alarm, the alarm is a buzzer, and the vehicle-mounted control module is connected to a vehicle-mounted controller of the car.
[0015] In summary, the utility model has the following beneficial technical effects:
[0016] The utility model proposes a vehicle-mounted remote control terminal device, which has a reasonable design, is convenient and efficient, easy to operate, and has a small size. It can be well concealed on the escort vehicle and is not easy to be discovered, damaged or dismantled. Voice reminders and emergency stops can be achieved through remote control to ensure the safety of personnel, escort vehicles and property. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the module structure of a vehicle-mounted remote control terminal device according to an embodiment of the utility model;
[0018] Figure 2 The present invention is a circuit diagram of a voltage control module of a vehicle-mounted remote control terminal device according to an embodiment of the present invention. DETAILED DESCRIPTION
[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0020] Example 1
[0021] Reference Figure 1 The embodiment of the present invention is a vehicle-mounted remote control terminal device, comprising: a communication module, a voltage control module and a vehicle-mounted control module, wherein the input end of the voltage control module is connected to the output end of the communication module, and the output end of the voltage control module is connected to the input end of the vehicle-mounted control module. The communication module receives an external electrical signal, and the output end of the communication module outputs the electrical signal and sends it to the voltage control module. After the voltage control module processes the electrical signal, the signal is output from the output end of the voltage control module and transmitted to the vehicle-mounted control module.
[0022] The voltage control module includes a level conversion circuit, a PMOS tube and an electrical signal processing circuit, wherein the level conversion circuit includes an input terminal CTRL and an output terminal control, wherein the output terminal control of the level conversion circuit is connected to the PMOS tube, and the PMOS tube is connected to the electrical signal processing circuit.
[0023] The level conversion circuit also includes a first preset power supply V1, a first resistor R1, a second resistor R2 and an optical coupler U1, the first preset power supply voltage is 12V, the first resistor R1 is 1K ohm, the second resistor R2 is 10K ohm, and the optical coupler U1 includes a primary end pin 1, a primary end pin 2, a secondary end pin 3 and a secondary end pin 4; the primary end pin 1 of the optical coupler U1 is connected to the input end of the communication module, the secondary end pin 3 of the optical coupler U1 is connected to the first end of the second resistor R2, the second end of the second resistor R2 is connected to the first preset power supply V1, the primary end pin 2 of the optical coupler U1 is connected to the first end of the first resistor R1, the second end of the first resistor R1 is grounded, and the secondary end pin 4 of the optical coupler U1 is grounded.
[0024] The source of the PMOS tube is connected to a second preset power supply V2, which is 12V. The gate of the PMOS tube is connected to the output terminal control of the level conversion circuit. The drain of the PMOS tube is connected to the input terminal of the electrical signal processing circuit.
[0025] The electrical signal processing circuit includes a varistor R3, a freewheeling diode D1, a resettable fuse F3 and an output device CN1. The varistor R3 and the freewheeling diode D1 form a parallel circuit. The first end of the parallel circuit is connected to pin 2 of the output device CN1, and the second end of the parallel circuit is connected to pin 1 of the output device CN1 through the resettable fuse F3. The varistor R3 and the freewheeling diode D1 control the voltage of the signal input by the PMOS tube, and then the signal is output by the output device CN1. The varistor R3 and the freewheeling diode D1 can prevent the voltage spikes and surge currents caused by voltage mutations from damaging the circuit. The resettable fuse F3 is a chip fuse that disconnects the circuit when the current exceeds 2A, and can restore the connection after the current drops, while protecting the vehicle controller end and the remote control terminal from being damaged by the influence of large currents.
[0026] The input end of the level conversion circuit inputs a high level and outputs it to the PMOS tube, the PMOS tube outputs a low level signal to the electrical signal processing circuit, the electrical signal processing circuit outputs a command signal to the electrical signal processing circuit, the electrical signal processing circuit outputs a 12V voltage from pin 2 of CN1 to give a signal to the vehicle control module, such as a shutdown signal; the input end of the level conversion circuit inputs a low level, the output end outputs a 12V high level, the 12V high level is to the PMOS tube, and the PMOS tube output is cut off.
[0027] The vehicle-mounted control module includes a memory and an alarm, wherein the alarm is a buzzer, and the vehicle-mounted control module is connected to a vehicle-mounted controller provided by the vehicle.
[0028] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A vehicle-mounted remote control terminal device, characterized in that: The vehicle-mounted remote control terminal device comprises: a communication module, a voltage control module and a vehicle-mounted control module, wherein the input end of the voltage control module is connected to the output end of the communication module, and the output end of the voltage control module is connected to the input end of the vehicle-mounted control module.
2. A vehicle-mounted remote control terminal device according to claim 1, characterized in that: The communication module receives an external electrical signal, and the output end of the communication module outputs the electrical signal and sends it to the voltage control module. After the voltage control module processes the electrical signal, it is output from the output end of the voltage control module and transmitted to the vehicle control module.
3. The vehicle-mounted remote control terminal device according to claim 1, characterized in that: The voltage control module includes a level conversion circuit, a PMOS tube and an electrical signal processing circuit, the level conversion circuit includes an input terminal CTRL and an output terminal control, wherein the output terminal control of the level conversion circuit is connected to the PMOS tube, and the PMOS tube is connected to the electrical signal processing circuit.
4. The vehicle-mounted remote control terminal device according to claim 3, characterized in that: The input end of the level conversion circuit inputs a high level and outputs it to the PMOS tube, the PMOS tube outputs a low level signal to the electrical signal processing circuit, and the electrical signal processing circuit outputs a command signal.
5. The vehicle-mounted remote control terminal device according to claim 3, characterized in that: The input end of the level conversion circuit inputs a low level and outputs it to the PMOS tube, and the output of the PMOS tube is cut off.
6. The vehicle-mounted remote control terminal device according to claim 3, characterized in that: The level conversion circuit also includes a first preset power supply V1, a first resistor R1, a second resistor R2 and an optical coupler U1, wherein the optical coupler U1 includes a primary end pin 1, a primary end pin 2, a secondary end pin 3 and a secondary end pin 4; the primary end pin 1 of the optical coupler U1 is connected to the input end of the communication module, and the secondary end pin 3 of the optical coupler U1 is connected to the first end of the second resistor R2.
7. The vehicle-mounted remote control terminal device according to claim 6, characterized in that: The second end of the second resistor R2 is connected to the first preset power source V1, the primary end 2 pin of the optical coupler U1 is connected to the first end of the first resistor R1, the second end of the first resistor R1 is grounded, and the secondary end 4 pin of the optical coupler U1 is grounded.
8. The vehicle-mounted remote control terminal device according to claim 3, characterized in that: The source of the PMOS tube is connected to the second preset power supply V2, the gate of the PMOS tube is connected to the output terminal control of the level conversion circuit, and the drain of the PMOS tube is connected to the input terminal of the electrical signal processing circuit.
9. The vehicle-mounted remote control terminal device according to claim 3, characterized in that: The electrical signal processing circuit includes a varistor R3, a freewheeling diode D1, a resettable fuse F3 and a follower CN1. The varistor R3 and the freewheeling diode D1 form a parallel circuit. The first end of the parallel circuit is connected to pin 2 of the follower CN1, and the second end of the parallel circuit is connected to pin 1 of the follower CN1 through the resettable fuse F3. After the varistor R3 and the freewheeling diode D1 control the voltage of the signal input by the PMOS tube, the signal is output by the follower CN1.
10. The vehicle-mounted remote control terminal device according to claim 1, characterized in that: The vehicle-mounted control module includes a memory and an alarm, wherein the alarm is a buzzer, and the vehicle-mounted control module is connected to a vehicle-mounted controller provided by the vehicle.
