CN206456237U - A kind of warning system antitheft for high capacity waggon diesel oil - Google Patents

Abstract

The utility model discloses an alarm system for diesel anti-theft of large trucks, which comprises a vehicle body, on which a fuel tank is arranged, wherein a magnetic oil float is arranged in the fuel tank, and a magnetic oil float arranged vertically is arranged on one side of the fuel tank. Displacement sensor; a control mechanism and a warning mechanism are arranged in the car body, and the magnetic displacement sensor and the warning mechanism are all connected with the control mechanism circuit. When a large truck stops running, if the oil level in the fuel tank drops, it will cause a change in the magnetic oil float. At this time, the magnetic displacement sensor detects the relevant signal, and the relevant signal is converted by the A/D converter and transmitted to the Single-chip microcomputer, the single-chip microcomputer turns on the control switch, so as to turn on the alarm and send an alarm. At the same time, the single-chip microcomputer sends an alarm message through the wireless sending module corresponding to the mobile phone APP, reminding the oil level in the fuel tank to drop, so that the driver can reach the large truck as soon as possible, avoiding Large truck fuel tanks have been stolen or leaked.

Description

An alarm system for diesel anti-theft of large trucks

technical field

The utility model relates to the field of automobile equipment, in particular to an alarm system for anti-theft of diesel oil in large trucks.

Background technique

Large trucks have become an indispensable means of transportation in modern people's lives, and the number of stolen and lost diesel oil from large trucks has gradually increased; especially the diesel fuel of large trucks is more likely to be lost than the large trucks themselves; Molecules often use drivers to steal fuel by destroying fuel tanks, removing pipe joints, and cutting fuel pipes during short-term parking, shopping, and rest. However, there is a lack of a low-cost, easy-to-install, and highly practical product on the market. Car diesel anti-theft trucks carry out targeted anti-theft alarm devices. Therefore, prior art awaits further improvement and development.

Utility model content

In view of the above-mentioned deficiencies in the prior art, the purpose of this utility model is to provide an alarm system for the anti-theft of diesel oil in large trucks, so that when the diesel oil in large trucks is stolen, it can give a warning in time.

In order to solve the above-mentioned technical problems, the utility model scheme includes:

An alarm system for diesel anti-theft of large trucks, which includes a car body, on which a fuel tank is arranged, wherein a magnetic oil float is arranged in the fuel tank, and a vertically arranged magnetic displacement sensor is arranged on one side of the fuel tank; A control mechanism and a warning mechanism are arranged, and the magnetic displacement sensor and the warning mechanism are connected with the control mechanism circuit.

Said alarm system, wherein said control mechanism includes a large truck battery, the large truck battery is connected to a power bank circuit, the power bank is respectively connected to the A/D converter and the single-chip microcomputer circuit, and the A/D converter is connected to the single-chip microcomputer circuit , the above-mentioned magnetic displacement sensor is connected with the circuit of the single-chip microcomputer.

In the above-mentioned alarm system, the above-mentioned warning mechanism includes a warning device, the warning device is connected to a control switch circuit, the control switch is connected to a diode circuit, and the diode is connected to the above-mentioned single-chip circuit; the circuit of the warning mechanism is connected to the above-mentioned power bank circuit.

The above-mentioned alarm system, wherein the above-mentioned magnetic displacement sensor includes a sensing element, a vertically arranged waveguide is arranged below the sensing element, the length of the waveguide is adapted to the depth of the fuel tank, and the sensing element is connected to the circuit of the single-chip microcomputer connect.

In the above-mentioned alarm system, the above-mentioned magnetic oil float includes a floating body, and a magnet is arranged in the floating body.

Said alarm system, wherein said single-chip microcomputer is provided with a wireless sending module, and the wireless sending module is used for communication connection with smart phone APP to send real-time information.

The utility model provides an alarm system for diesel anti-theft of large trucks. When the large truck stops running, if the oil level in the fuel tank decreases, the magnetic oil float will change. At this time, the magnetic displacement sensor detects related signals. , and the relevant signal is converted by the A/D converter and then transmitted to the single-chip microcomputer. The single-chip microcomputer turns on the control switch, thereby turning on the alarm and sending an alarm. The oil level in the fuel tank is lowered, so that the driver can reach the large truck as soon as possible, avoiding the theft or oil leakage of the fuel tank of the large truck. The utility model has the advantages of simple structure, low cost, and convenient installation.

Description of drawings

Fig. 1 is the structural representation of warning system in the utility model;

Fig. 2 is the structural representation of magnetic displacement sensor in the utility model;

Fig. 3 is the frame structure schematic diagram of alarm system in the utility model;

Fig. 4 is the schematic flow sheet of warning system in the utility model;

Among them, 1. Magnetic oil float; 2. Magnetic displacement sensor; 3. A/D converter; 4. Single-chip microcomputer; 5. Diode; 6. Control switch; 7. Warning device; 8. Charging treasure; 9. Large truck battery ; 10, waveguide; 11, sensing element; 12, car body, 13, fuel tank.

detailed description

The utility model provides an alarm system for diesel anti-theft of large trucks. In order to make the purpose, technical scheme and effect of the utility model clearer and clearer, the utility model will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides an alarm system for diesel anti-theft of large trucks, as shown in Fig. 1, Fig. 2 and Fig. 3, it includes a car body 12, and a fuel tank 13 is arranged on the car body 12, wherein the fuel tank 13 A magnetic oil float 1 is provided, and a vertically arranged magnetic displacement sensor 2 is provided on one side of the oil tank 13; a control mechanism and a warning mechanism are arranged in the car body 12, and the magnetic displacement sensor 2 and the warning mechanism are all connected with the control mechanism circuit.

In another preferred embodiment of the present utility model, as shown in Fig. 1 and Fig. 3, above-mentioned control mechanism comprises large-scale truck battery 9, and large-scale truck battery 9 is connected with a charging treasure 8 circuits, and charging treasure 8 is respectively connected with A The /D converter 3 is connected to the single-chip microcomputer 4 circuit, the A/D converter 3 is connected to the single-chip microcomputer 4 circuit, and the above-mentioned magnetic displacement sensor 2 is connected to the single-chip 4 circuit.

Furthermore, the above-mentioned warning mechanism includes a warning device 7, the warning device 7 is connected to a control switch 6 circuit, the control switch 6 is connected to a diode 5 circuit, and the diode 5 is connected to the above-mentioned single-chip microcomputer 4 circuit; the circuit of the warning mechanism is connected to the above-mentioned charging treasure Electrical 8-way connection.

And as shown in Figure 2, above-mentioned magnetic displacement sensor 2 comprises sensing element 11, and the bottom of sensing element 11 is provided with vertically arranged waveguide 10, and the length of waveguide 10 is adapted to the depth of oil tank 13, and the transmission The inductive element 11 is connected with the circuit of the above-mentioned single-chip microcomputer 4 . The above-mentioned magnetic oil float 1 can adopt the following methods. For example, the magnetic oil float 1 includes a floating body, and a magnet is arranged in the floating body, and the magnet forms a magnetic field for the magnetic displacement sensor 2 to capture relevant signals. And above-mentioned single-chip microcomputer 4 is provided with wireless sending module, and wireless sending module is used for communicating with smartphone APP connection, to send real-time information, can notify driver personnel in time.

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

The above-mentioned diesel anti-theft alarm device for large trucks is composed of four parts: energy supply system, oil quantity sensing system, alarm control system, and alarm system. The energy supply system includes power bank 8 and large truck battery 9. 1. Magnetic displacement sensor 2, alarm control system includes A/D converter 3, single-chip microcomputer 4, diode 5, control switch 6, alarm system includes alarm 7 and mobile phone alarm APP, single-chip microcomputer 4 is C8051F310 type produced by Silicon Lab on the market microcontroller.

As shown in Figure 3, the magnetic displacement sensor 2 is connected to the A/D converter 3 and the single-chip microcomputer 4 in turn, the single-chip microcomputer 4 is connected to the warning device 7 through the diode 5 and the control switch 6, and is connected to the mobile phone alarm APP through mobile data, and the power bank 8 The A/D converter 3, the single-chip microcomputer 4, and the control switch 6 are respectively connected through charging lines, and the charging treasure 8 is connected with the storage battery 10 of a large truck through the charging lines.

The single-chip microcomputer 4 processes the oil level height information detected by the magnetic displacement sensor 2 converted by the A/D converter 3. There is a program in the single-chip microcomputer 4. When the liquid level of the oil level changes, the single-chip microcomputer 4 transmits parameters to the control switch 6. , 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 oil level height information to the mobile phone alarm APP through the wireless sending module, and once the oil level drops, the mobile phone APP also alarms thereupon; When the liquid level does not change, the alarm system does not perform alarm work, so that the diesel oil of large trucks is in a monitoring state, and if it is lost, it will immediately alarm, as shown in Figure 4. The mobile APP software can also be used by the driver to check the oil level in the truck's fuel tank at any time. When the liquid level of the fuel tank is lower than the warning line, the mobile APP software will remind the driver.

And the A/D converter 3, the single-chip microcomputer 4, the diode 5, the control switch 6, the warning device 7, and the charging treasure 8 are installed in the cab of the large truck, and the charging treasure 8 is connected to each of the above-mentioned working elements through the data line, providing a stable power supply for the entire large truck. Diesel anti-theft alarm device power supply.

The different working voltage requirements required by its various working components are met by the specific voltage output interface of Power Bank 8:

a. The working voltage required by the MCU C8501F310 is 3.3v;

b. The working voltage required by the A/D converter 3 is 6v;

c. The working voltage required by the warning device 7 is 6v.

The charging treasure 8 is installed in the cab of the large truck, and the charging treasure 8 is charged with the large truck battery 9 . The magnetic oil float 1 has a magnet (size: 5mm×20mm×20mm), which floats on the oil surface. The function of the magnet on the magnetic oil float 1 is to make the magnetic oil float 1 generate an independent magnetic field. The magnetic displacement sensor 2 is installed on the top of the fuel tank of a large truck, and its waveguide 10 is deep below the oil liquid level, 30mm away from the bottom of the fuel tank.

And the magnetic field generated by the magnetic displacement sensor 2 interacts with the magnetic field generated by the magnet of the magnetic oil float 1 to generate an ultrasonic wave. The sensing element 11 of the magnetic displacement sensor 2 receives the ultrasonic signal, calculates the acceptance time, and multiplies the wave speed by 3km /s, you can get the liquid level position. The above-mentioned liquid level measurement process is continuous, so when the magnetic oil float 1 moves, the new oil level liquid level position will be measured.

The A/D converter 3 is installed under the rear seat of the cab of a large truck, and is connected with the magnetic displacement sensor 2 through wires, and converts the analog signal measured by the magnetic displacement 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 large truck cab receives and processes the digital signal sent by the A/D converter 3. Once the liquid level drops, an alarm signal is sent immediately. The control switch 6 receives the alarm signal sent by the single-chip microcomputer 4, the switch is turned on, and a loop is formed between the alarm 7 and the charging treasure 9, and the alarm work starts.

Warning device 7 is arranged separately, and is installed in the outer bottom of large truck cab, and the mode of warning is sound and luminous warning. 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 power bank 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.

The charging treasure 8 installed under the rear window of the cab of a large truck is connected with the storage battery 9 of the large truck. When the large truck is running, the driver can unplug the output line of the charging treasure 8 to close the device, so the fuel tank When the diesel oil drops, the alarm will not be performed, and it will not cause unnecessary interference to the normal work of the driver of the large truck; when the engine of the large truck is turned off, the driver connects the output line of the power bank 3 to turn on the device, and the anti-theft diesel alarm is performed. When the charging treasure 8 is fully charged and the driver will drive for a long time, the driver can unplug the charging cable to maintain the charging treasure 8 and increase the service life of the charging treasure 8.

Of course, the above descriptions are only preferred embodiments of the present invention, and the present invention is not limited to the above-mentioned embodiments. It should be noted that any person skilled in the art can make all Equivalent substitutions and obvious deformation forms all fall within the essential scope of this specification and should be protected by the utility model.

Claims (6)

1. An alarm system for diesel anti-theft of large trucks, which includes a car body, and a fuel tank is arranged on the car body, and is characterized in that, a magnetic oil float is arranged in the fuel tank, and a vertically arranged magnetic displacement is provided on one side of the fuel tank Sensor; a control mechanism and a warning mechanism are arranged in the car body, and the magnetic displacement sensor and the warning mechanism are all connected with the control mechanism circuit. 2. The alarm system according to claim 1, characterized in that, the above-mentioned control mechanism comprises a large-scale truck battery, and the large-scale truck battery is connected to a power bank circuit, and the power bank is connected to the A/D converter and the single-chip microcomputer circuit respectively, and the A/D The D converter is connected with the circuit line of the single-chip computer, and the above-mentioned magnetic displacement sensor is connected with the circuit line of the single-chip computer. 3. The alarm system according to claim 2, characterized in that, the above-mentioned warning mechanism comprises a warning device, the warning device is connected with a control switch circuit, the control switch is connected with a diode circuit, and the diode is connected with the circuit of the above-mentioned single-chip microcomputer; The circuit is connected with the above charging treasure circuit. 4. The alarm system according to claim 2, wherein the above-mentioned magnetic displacement sensor comprises a sensing element, a vertically arranged waveguide is arranged below the sensing element, and the length of the waveguide matches the depth of the fuel tank , the sensing element is connected to the circuit of the above-mentioned single-chip microcomputer. 5. The alarm system according to claim 2, characterized in that, the magnetic oil float includes a floating body, and a magnet is arranged in the floating body. 6. The alarm system according to claim 2, wherein the single-chip microcomputer is provided with a wireless sending module, and the wireless sending module is used to communicate with the smart phone APP to send real-time information.