CN206258587U - Loss prevention device based on GPS and Bluetooth communication - Google Patents

Abstract

The utility model discloses a kind of loss prevention device based on GPS and Bluetooth communication, including single chip control module, bluetooth module, GPS interface, GPS module, power module, sounding module, key-press module, system indicating module；Single chip control module connection bluetooth module, GPS interface, sounding module, key-press module, system indicating module, single chip control module are responsible for the data transfer between bluetooth module and GPS module, and control input detection and output control；It is connected with GPS module by GPS interface；Power module is connected with single chip control module, bluetooth module, GPS interface.Power module includes energy supply control module, power transfer module and battery interface.Application scenario of the present utility model belongs to short distance communication and positioning, gps system and Bluetooth system cooperating most of the time, and indoor and outdoors can be made fast and accurately to position；Bluetooth range finding can accurately be controlled in the case where distance is shorter to target, fast track target.

Description

Anti-lost device based on GPS and Bluetooth communication

technical field

The utility model belongs to the technical field of space positioning, in particular to an anti-lost device based on GPS and bluetooth communication.

Background technique

The anti-lost system must have long-distance positioning and short-distance search functions, and it must work well both outdoors and indoors. When GPS positioning is used for indoor positioning, the signal is generally poor due to the shading of buildings, which affects the positioning effect. Therefore, the system needs to be improved. Now add Bluetooth communication to complete the positioning search task together, which can meet both outdoor and indoor requirements.

Contents of the invention

Aiming at the above technical problems, the utility model proposes an anti-lost device based on GPS and Bluetooth communication.

In order to achieve the above object, the technical solution adopted by the utility model is:

An anti-lost device based on GPS and Bluetooth communication, including a single-chip microcomputer control module, a Bluetooth module, a GPS interface, a GPS module, a power supply module, a sound module, a key module, and a system indication module; the single-chip control module is connected to a Bluetooth module, a GPS interface, a sound module, Button module, system indication module, single-chip microcomputer control module are responsible for data transmission between Bluetooth module and GPS module, and control input detection and output control; connect with GPS module through GPS interface; power supply module is connected with single-chip microcomputer control module, Bluetooth module, GPS interface .

The above-mentioned anti-lost device, the power module includes a power control module, a power conversion module and a battery interface, and the power control module is connected with the power conversion module, the GPS interface, the system reset module, the system indication module, the sound module, and the single-chip microcomputer control module through the battery interface; The power conversion module is connected with the bluetooth module. The power control module also includes an external power interface, and the power conversion module outputs a 3.3V circuit.

Preferably, the bluetooth module is an onboard bluetooth, which realizes the signal transmission between the anti-lost device and the communication equipment.

Further, it also includes a GSM interface, and the GSM interface is connected in real-time communication between the GSM module and the single-chip microcomputer control module.

Further, it also includes a system reset module, the system reset module is connected with the single-chip microcomputer control module, and controls the restart of the single-chip microcomputer control module.

The mobile terminal can process the GPS data of the mobile positioning of the anti-lost device, and display it on the electronic map in real time; the mobile terminal can set the detection distance, and measure the real-time distance of the mobile positioning terminal through Bluetooth. When the distance exceeds the set distance, a reminder will be realized. You can also set the mobile positioning terminal to give an alarm prompt.

Bluetooth, GPS and other functional circuits are controlled by the single-chip microcomputer control module. GPS realizes positioning and tracking, and Bluetooth mainly plays two roles, one is to communicate with the mobile phone, and quickly transmit the data decoded by GPS to the mobile phone; the other is to use Bluetooth to measure the distance between the mobile positioning terminal and the mobile phone. Change distance in real time.

The utility model has the following beneficial effects: most of the application occasions of the anti-lost device of the utility model belong to short-distance communication and positioning, and the GPS system and the Bluetooth system work together to enable fast and accurate positioning indoors and outdoors; The distance can accurately control the target at a short distance and track the target quickly.

Description of drawings

FIG. 1 is a schematic diagram of a power module of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the anti-lost device of the embodiment of the present invention.

Fig. 3 is the system indication module of the embodiment of the utility model.

Fig. 4 is the sounding module of the embodiment of the utility model.

Fig. 5 is the bluetooth module of the utility model embodiment.

Fig. 6 is the battery interface and the GPS interface of the embodiment of the utility model.

Fig. 7 is the system reset module of the embodiment of the utility model.

Fig. 8 is a single-chip microcomputer control module of the utility model embodiment.

Fig. 9 is a button module of the embodiment of the present invention.

Fig. 10 is a power control module of the embodiment of the utility model.

Fig. 11 is a power conversion module of an embodiment of the present invention.

detailed description

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings.

The hardware of the anti-lost device is composed of the following parts: MCU control terminal, Bluetooth module, GPS module, power supply module, human-computer interaction module and so on.

The single-chip microcomputer control module is responsible for processing Bluetooth and GPS-related data, and transmits the data to the mobile phone software terminal according to the program control, and controls the human-computer interaction module to perform input detection and output control.

The mobile phone terminal can process the GPS data of the mobile positioning terminal and display it on the electronic map in real time; the mobile terminal can set the detection distance and measure the real-time distance of the mobile positioning terminal through Bluetooth. When the distance exceeds the set distance, a reminder will be realized. You can also set the mobile positioning terminal to give an alarm prompt (the default is silent).

Block diagram as shown in Figure 1: power supply part

After the external power is input through J5, it is sent to the online program download interface J3 and the main power control switch SW1 respectively.

R3 and D1 are connected in series to form a working indication circuit, when the system is powered on and SW1 is turned on, it will light up.

J6 is the battery interface. When the external power supply is input through J5, the battery connected to J6 is charged; when there is no input from J5, the battery connected to J6 is discharged to supply the whole system.

The power conversion module adjusts the output of the power supply to 3.3V.

Figure 2 block diagram: the main part of the circuit

1. The GSM interface is used for the connection and communication between this circuit and the GSM module, and is mainly used for real-time signal transmission between this system and communication equipment such as mobile phones.

2. The GPS interface is used for the connection and communication between this circuit and the GPS module, and is mainly used for the communication signal transmission between this system and GPS satellites.

3. The Bluetooth module is onboard Bluetooth, which realizes the signal transmission between the system and communication devices such as mobile phones.

4. According to the functional requirements of the system, sound and light prompts are required at specific times. The sounding module and the system indicating module play the role of reminding, and are controlled by the output signal of the single-chip microcomputer control module.

5. The button module is used for testing, and can become part of the system work when specific functions are required.

6. The system reset module is used when the MCU control module system is restarted.

In this embodiment, the single-chip microcomputer control module in Figure 8 is connected to the system indication module in Figure 3, the sound module in Figure 4, the Bluetooth module in Figure 5, the GPS interface and battery interface in Figure 6, the system reset module in Figure 7, and the system reset module in Figure 9. Button module, GSM interface, single-chip microcomputer control module are responsible for data transmission between Bluetooth module and GPS module, and control input detection and output control; connect with GPS module through GPS interface; power supply control module in Figure 10 connects with power supply in Figure 11 through battery interface The conversion module, the GPS interface, the system reset module, the system indication module, the sound module, and the single-chip microcomputer control module are connected; the power conversion module is also connected with the bluetooth module. The power control module also includes an external power interface, and the power conversion module outputs a 3.3V circuit.

The above embodiments are only to illustrate the technical ideas of the present utility model, and cannot limit the protection scope of the present utility model with this. Any changes made on the basis of technical solutions according to the technical ideas proposed by the utility model all fall within the scope of this utility model. within the scope of utility model protection. The technologies not involved in the utility model can be realized by existing technologies.

Claims (5)

1. the loss prevention device of GPS and Bluetooth communication is based on, it is characterised in that：Including single chip control module, bluetooth module, GPS interface, GPS module, power module, sounding module, key-press module, system indicating module；

Single chip control module connection bluetooth module, GPS interface, sounding module, key-press module, system indicating module, single-chip microcomputer Control module is responsible for the data transfer between bluetooth module and GPS module, and control input detection and output control；Connect by GPS Mouth is connected with GPS module；Power module is connected with single chip control module, bluetooth module, GPS interface；Power module includes electricity Source control module, power transfer module and battery interface, energy supply control module is by battery interface and power transfer module, GPS Interface, system reset module, system indicating module, sounding module, single chip control module connection；Power transfer module and bluetooth Module is connected.

2. loss prevention device according to claim 1, it is characterised in that：Energy supply control module also connects including external power source Mouthful, power transfer module output 3.3V circuits.

3. loss prevention device according to claim 1 and 2, it is characterised in that：Also include GSM interfaces, GSM interfaces are in GSM Real-time Communication for Power connection between module and single chip control module.

4. loss prevention device according to claim 1 and 2, it is characterised in that：Bluetooth module is onboard bluetooth, is realized described Signal transmission between loss prevention device and communication equipment.

5. loss prevention device according to claim 1 and 2, it is characterised in that：Also include system reset module, system reset Module is connected with single chip control module, and control single chip computer control module is restarted.