CN108340874A - A kind of alarm system antitheft for high capacity waggon cargo - Google Patents

Abstract

The invention discloses an alarm system for anti-theft of goods in large trucks, which includes a rear door of a carriage, a vibration sensor, an A/D converter, a single chip microcomputer, a diode, a control switch, a warning device, a voltage conversion module, a vehicle storage battery, a carriage and a wireless transmitter module, the rear of the compartment is provided with a compartment rear door, and a vibration sensor is arranged inside the compartment rear door; a control mechanism and a warning mechanism are arranged in the vehicle body, and the vibration sensor and the warning mechanism are electrically connected to the control mechanism. If the rear door of the carriage is operated manually, its vibration frequency will change. At this time, the vibration sensor detects the relevant signal, and transmits the relevant signal to the single-chip microcomputer through the A/D converter, so that the control switch is turned on and the warning device is turned on to issue an alarm. At the same time, the alarm information is sent to the mobile phone client through the wireless transmitting module, and then the driver is reminded, avoiding the situation that the goods of large trucks are stolen.

Description

An alarm system for anti-theft of goods in large trucks

technical field

The invention belongs to the technical field of anti-theft equipment for automobiles, and in particular relates to an alarm system for anti-theft of goods in large trucks.

Background technique

Large trucks have become an indispensable means of transportation in modern people's lives, and the ensuing cases of theft and loss of large trucks have gradually increased; especially the cargo of large trucks is more likely to be lost than the large truck itself; Molecules often use drivers to steal during short-term parking, shopping, and rest, but there is a lack of a low-cost, easy-to-install and highly practical product on the market to carry out targeted anti-theft alarm devices for large-scale truck cargo anti-theft. Therefore, prior art awaits further improvement and development.

Contents of the invention

The purpose of the present invention is to provide an alarm system for anti-theft of goods in large trucks in view of the defects and deficiencies of the prior art, so as to give a timely warning when the goods in the truck are stolen.

In order to solve the existing problems in the background technology, a kind of alarm system used for anti-theft of goods in large trucks according to the present invention includes a rear door of the carriage, a vibration sensor, an A/D converter, a single-chip microcomputer, a diode, a control switch, an alarm, a voltage conversion module, on-board battery, carriage and wireless transmitter module, the rear of the carriage is provided with a carriage rear door, and a vibration sensor is arranged inside the carriage rear door; a control mechanism and a warning mechanism are arranged in the car body, and the vibration sensor and the warning mechanism are electrically connected to the control mechanism.

The control mechanism includes an on-board battery, the on-board battery is electrically connected to a voltage conversion module, the voltage conversion module is electrically connected to an A/D converter and a single-chip electromechanical device, the A/D converter is electrically connected to a single-chip electromechanical device, and the vibration sensor is connected to a single-chip microcomputer electrical connection.

The warning mechanism includes a warning device connected in series with a control switch, the control switch is electrically connected to a diode, and the diode is electrically connected to the single-chip electromechanical device; the warning mechanism is electrically connected to the voltage conversion module.

The single-chip microcomputer is electrically connected with the wireless transmitting module, and the wireless transmitting module is used for communicating with the mobile phone client to send real-time information.

The beneficial effect of the present invention is: if the compartment rear door is accidentally opened or artificially destroyed, the vibration frequency of the compartment rear door will change. At this time, the vibration sensor detects the relevant signal and transmits the relevant signal to the single-chip microcomputer through the A/D converter. The single-chip microcomputer turns on the control switch to turn on the alarm to send an alarm. At the same time, the single-chip microcomputer sends an alarm message to the mobile phone client through the wireless transmission module, reminding the rear door of the compartment to change, and then reminding the driver to find out the situation as soon as possible, avoiding the theft of goods in large trucks The situation arises; this system is based on the existing structure of large trucks, and is upgraded and reconstructed, which is easy to install; the structure is simple, the cost is low, and the anti-theft effect is good, which can effectively avoid property loss.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the control principle of the present invention.

Fig. 3 is a schematic diagram of the workflow of the present invention.

Explanation of reference signs: 1. Car rear door, 2. Vibration sensor, 3. A/D converter, 4. Single-chip microcomputer, 5. Diode, 6. Control switch, 7. Warning device, 8. Voltage conversion module, 9. Vehicle-mounted Storage battery, 10. compartment, 11. wireless transmitting module.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to Fig. 1 to Fig. 3, the present embodiment adopts the following technical scheme: an alarm system for anti-theft of goods in large trucks, comprising a compartment rear door 1, a vibration sensor 2, an A/D converter 3, a single-chip microcomputer 4, a diode 5, Control switch 6, warning device 7, voltage conversion module 8, vehicle-mounted storage battery 9, compartment 10 and wireless transmission module 11, described compartment 10 tail end is provided with compartment rear door 1, and the inner side of compartment rear door 1 is provided with vibration sensor 2; A control mechanism and a warning mechanism are provided, and the vibration sensor 2 and the warning mechanism are electrically connected with the control mechanism.

In another preferred embodiment of the invention, the above-mentioned control mechanism includes an on-board battery 9, the on-board battery 9 is electrically connected to the voltage conversion module 8, and the voltage conversion module 8 is electrically connected to the A/D converter 3 and the single-chip microcomputer 4 respectively, The A/D converter 3 is electrically connected to the single-chip microcomputer 4 , and the vibration sensor 2 is electrically connected to the single-chip microcomputer 4 .

Furthermore, the above-mentioned warning mechanism includes a warning device 7, the warning device 7 is connected in series with the control switch 6, the control switch 6 is electrically connected to the diode 5, and the diode 5 is electrically connected to the above-mentioned single-chip microcomputer 4; the warning mechanism is connected to the above-mentioned voltage conversion module 8 electrical connection.

Moreover, the above-mentioned single-chip microcomputer 4 is electrically connected with the wireless transmitting module 11, and the wireless transmitting module 11 is communicatively connected with the mobile phone client to send real-time information, which can timely notify the driver.

In order to further describe the present invention, more detailed examples are listed below for illustration.

The above-mentioned large truck cargo anti-theft alarm device is composed of an energy supply system, a vibration sensor, an alarm control system, and an alarm system. The energy supply system includes a voltage conversion module 8 and a vehicle battery 9. The alarm control system includes an A/D converter 3, Single-chip microcomputer 4, diode 5, control switch 6, alarm system includes warning device 7 and mobile phone client, single-chip microcomputer 4 adopts the C8051F310 type single-chip microcomputer produced by Silicon Lab.

As shown in Figure 2, the vibration sensor 2 is connected to the A/D converter 3 and the single-chip microcomputer 4 in sequence, the single-chip microcomputer 4 is connected to the warning device 7 through the diode 5, the control switch 6, and is connected to the mobile phone client through mobile data, and the voltage conversion module 8 The A/D converter 3, the single-chip microcomputer 4, and the control switch 6 are respectively connected through charging wires, and the voltage conversion module 8 is connected with the on-board storage battery 9 through wires.

As shown in Figure 3, the single-chip microcomputer 4 processes the vibration information from the compartment rear door 1 detected by the vibration sensor 2 converted by the A/D converter 3, and the single-chip microcomputer 4 is provided with a program. 6 Pass the parameters, turn on the control switch 6, the warning device 7 starts to work, and carries out the alarm work; at the same time, the single-chip microcomputer 4 sends the vibration information of the compartment rear door 1 to the mobile phone client through the wireless transmission module. Once the vibration frequency changes, the mobile phone client also follows. Alarm; when the vibration frequency does not change, the alarm system does not perform alarm work, so that the cargo inside the compartment of the large truck is under monitoring, and the alarm will be reported immediately if it is lost.

And A/D converter 3, single-chip microcomputer 4, diode 5, control switch 6, warning device 7, voltage conversion module 8 are installed in truck driver's compartment, and voltage conversion module 8 is connected to above-mentioned each working element by wire, is the whole large truck. Cargo anti-theft alarm device is powered.

The different working voltage requirements required by each working element are satisfied by the specific voltage output interface of the voltage conversion module 8: a, the working voltage required by the single-chip microcomputer 4 is 3.3v; b, the required working voltage of the A/D converter 3 It is 6v; c, the operating voltage required by the warning device 7 is 6v. The voltage conversion module 8 is installed in the cab of the truck, and is electrically connected with the vehicle battery 9 through a plug. When the large truck is running, the driver can cut off the circuit through the plug between the voltage conversion module 8 and the on-board storage battery 9. At this time, the vibration frequency of the car door will not be alarmed, which will not cause unnecessary damage to the normal work of the driver of the large truck. Interference; when the large truck is turned off, the driver inserts the plug to connect the circuit, and the device performs an anti-theft cargo alarm.

The A/D converter 3 is installed under the rear seat of the truck cab, and is connected with the vibration sensor 2 through wires, and converts the vibration analog signal measured by the vibration sensor 2 into a digital signal and sends it to the single-chip microcomputer 4 . The single-chip microcomputer 4 installed under the rear seat of the cab of a large truck receives and processes the digital signal sent by the A/D converter 3. Once the vibration frequency of the rear door 1 of the compartment changes, an alarm signal is sent immediately. It is installed behind the cab of a large truck. The control switch 6 under the row of seats accepts the alarm signal sent by the single-chip microcomputer 4, and the switch is turned on, and a loop is formed between the warning device 7 and the charging treasure 9, and the alarm work is started.

Described warning device 7 is provided separately, and is installed on the exterior bottom of truck cab, and the mode of alarm is sound and luminous alarm. The internal working circuit of the warning device 7 is a parallel connection mode, and the sound alarm circuit and the light alarm circuit are divided into two circuits, which do not affect each other. can proceed.

There is a diode 5 between the control switch 6 and the single-chip microcomputer 4, and the voltage conversion module 8 provides an operating voltage for the warning device 7. Due to the unidirectional conduction of the diode 5, the working voltage of the warning device 7 will not affect the output of the single-chip microcomputer 4. make an impact.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. a kind of alarm system antitheft for high capacity waggon cargo, including carriage back door, vibrating sensor, A/D converter, list Piece machine, diode, control switch, attention device, voltage transformation module, Vehicular accumulator cell, compartment and wireless transmitter module, feature It is：The compartment tail portion is equipped with carriage back door, and vibrating sensor is provided on the inside of carriage back door；Control is provided in car body Mechanism and warning mechanism, vibrating sensor, warning mechanism are electrically connected with control mechanism.

2. a kind of alarm system antitheft for high capacity waggon cargo according to claim 1, it is characterised in that：Described Control mechanism includes Vehicular accumulator cell, and Vehicular accumulator cell is electrically connected with voltage transformation module, voltage transformation module respectively with A/D Converter, microcontroller are electrically connected, and A/D converter is electrically connected with microcontroller, and vibrating sensor is electrically connected with microcontroller.

3. a kind of alarm system antitheft for high capacity waggon cargo according to claim 1, it is characterised in that：Described Warning mechanism includes attention device, and attention device concatenate with control switch, control switch and diode electric connection, diode with it is above-mentioned Microcontroller is electrically connected；Warning mechanism is electrically connected with voltage transformation module.

4. a kind of alarm system antitheft for high capacity waggon cargo according to claim 1, it is characterised in that：Described Microcontroller is electrically connected with wireless transmitter module, and wireless transmitter module is used to communicate to connect with cell-phone customer terminal, real-time to send Information.

5. a kind of alarm system antitheft for high capacity waggon cargo according to claim 1, it is characterised in that：It is described Microcontroller use Silicon Labs companies production C8051F310 type microcontrollers.

6. a kind of alarm system antitheft for high capacity waggon cargo according to claim 1, it is characterised in that：Described Attention device is separately provided, and is mounted on lower section outside truck cab, the mode of alarm is sound and luminous alarm, attention device The operating circuit of inside be parallel way, audible alarm circuit and show that optical alarm circuit is divided into two-way circuit.