CN210091363U - Emergency alarm based on GPS - Google Patents

Abstract

The utility model relates to an emergency alarm based on GPS, this alarm including the central controller unit that is used for whole centralized control and with the central controller unit is connected be used for real-time image acquisition's image acquisition unit, be used for providing the power input the power supply unit, be used for emergency alarm trigger alarm unit, be used for realizing the positioning unit of instant location position coordinate and be used for instant transmission data information and with remote mobile phone client communication connection's wireless communication unit. Compared with the prior art, the utility model has the advantages of with low costs, easy operation.

Description

Emergency alarm based on GPS

Technical Field

The utility model belongs to the technical field of the GPS alarm technique and specifically relates to an emergency alarm based on GPS.

Background

With the coming of the information-based era, the population of a large city increases exponentially, however, the crime rate of the large city also increases obviously due to the rapid population increase, and because the victim often has no condition to send out a distress signal and position information in the first time during case occurrence, the victim misses the best case reporting time, and can not accurately obtain site information and the physical and morphological characteristics of criminals, the case solving difficulty is further improved.

In order to solve the above problems, a similar solution is proposed, for example, in chinese patent "a night walk safety belt" with application number CN206482087U, the emergency alarm under crisis condition can be realized by real-time positioning using GPS module.

However, the above scheme has many disadvantages: such as that the solution will not implement the positioning function in an environment without GPS or weak GPS signals, and that the solution cannot obtain live image information or physical features of criminals.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an emergency alarm based on GPS in order to overcome the defect that above-mentioned prior art exists, can fix a position and report to the police under no GPS signal or weak GPS signal environment, the utility model discloses can provide the image information at the scene of the case, criminal's physiognomy characteristic even.

The purpose of the utility model can be realized through the following technical scheme:

the emergency alarm based on the GPS comprises a central controller unit for integral centralized control, an image acquisition unit connected with the central controller unit and used for acquiring real-time images, a power supply unit used for providing power supply input, a triggering alarm unit used for emergency alarm, a positioning unit used for realizing instant positioning position coordinates and a wireless communication unit used for instantly transmitting data information and in communication connection with a remote mobile phone client.

Further, the central controller unit adopts a main control chip with the model number of STM32F103ZET 6.

Further, the triggering alarm unit comprises an alarm switch, one end of the alarm switch is grounded, and the other end of the alarm switch is connected with a pin of PC12 of the main control chip.

Further, the image acquisition unit comprises a camera module with a model of OV7670 and an FIFO chip with a model of AL442B, wherein an SCL pin, an SDA pin and a VSYNC pin of the camera module are respectively and correspondingly connected with a PD13 pin, a PD14 pin and a PD15 pin of the main control chip, an RCLK pin, an RRST pin, an OE pin and a WEN pin of the FIFO chip are respectively and correspondingly connected with a PD9 pin, a PD10 pin, a PD11 pin and a PD12 pin of the main control chip, and D0 pins to D7 pins of the FIFO chip are respectively and correspondingly connected with PD0 pins to PD7 pins of the main control chip.

Furthermore, the positioning unit adopts a GPS positioning module, and a TXD1 pin and an RXD1 pin of the GPS positioning module are respectively connected with a PB11 pin and a PB10 pin of the main control chip correspondingly.

Furthermore, the wireless communication unit adopts a GSM communication module with the model of SIM800C, the GSM communication module consists of a SIM card slot submodule, an SMA antenna submodule and a communication chip submodule, and a UART1_ TXD pin and a UART1_ RXD pin of the communication chip submodule are respectively and correspondingly connected with a PA3 pin and a PA2 pin of the main control chip.

Further, the power supply unit adopts a rechargeable battery pack with the model number of DC-12680.

Further, the output voltage of the rechargeable battery pack is 3.3V-4.2V.

Compared with the prior art, the utility model has the advantages of it is following:

(1) the utility model provides a pair of emergency alarm based on GPS is applied to the occasion that the victim can not report to the police through conventional alarm mode under the dangerous condition, simultaneously the utility model discloses can provide positional information, the scene information of the scene of the case of sending out, the physiognomy characteristic of criminal even under no GPS signal.

(2) The utility model discloses with low costs, easy operation has great development prospect.

Drawings

To further clarify the above and other advantages and features of various embodiments of the present invention, a more particular description of various embodiments of the invention will be rendered by reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. Also, the relative positions and sizes of the respective portions shown in the drawings are exemplary, and should not be understood as uniquely determining positional or dimensional relationships between the respective portions.

FIG. 1 is a schematic block diagram of the system of the present invention;

fig. 2 is a schematic circuit diagram of a central controller unit according to the present invention;

fig. 3 is a schematic circuit diagram of a wireless communication unit according to the present invention;

fig. 4 is a schematic circuit diagram of a positioning unit according to the present invention;

fig. 5 is a schematic circuit diagram of an image acquisition unit according to the present invention;

fig. 6 is a schematic circuit diagram of a power supply unit according to the present invention;

fig. 7 is a schematic circuit diagram of a triggering alarm unit according to the present invention;

FIG. 8 is a diagram of the structure of the practical installation and application of the present invention;

in the figure, 1 is a positioning unit, 2 is an image acquisition unit, 3 is a triggering alarm unit, 4 is a central controller unit, 5 is a wireless communication unit, 6 is a power supply unit, and 7 is a remote mobile phone client.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, the utility model relates to a system schematic block diagram of emergency alarm based on GPS, this alarm including be used for whole centralized control's central controller unit 4 and the image acquisition unit 2 that is used for real-time image acquisition who is connected with central controller unit 4, a power supply unit 6 that is used for providing power input, a trigger alarm unit 3 that is used for emergency alarm, a positioning unit 1 that is used for realizing instant location position coordinate and a wireless communication unit 5 that is used for instant transmission data information and with remote mobile phone client 7 communication connection.

As shown in fig. 2, the circuit schematic diagram of the central controller unit in the present invention, the central controller unit 4 adopts a main control chip whose model is STM32F103ZET 6.

As shown in fig. 3 is the utility model provides a wireless communication unit's schematic circuit diagram, wireless communication unit 5 adopts the model to be SIM 800C's GSM communication module, and GSM communication module comprises SIM card slot submodule piece, SMA antenna submodule piece and communication chip submodule piece, and UART1_ TXD pin and UART1_ RXD pin of communication chip submodule piece correspond respectively and are connected with main control chip's PA3 pin and PA2 pin.

As shown in fig. 4, the utility model provides a positioning unit's circuit schematic diagram, positioning unit 1 adopt the GPS orientation module, and the TXD1 pin and the RXD1 pin of GPS orientation module correspond respectively and are connected with the PB11 pin and the PB10 pin of main control chip.

As shown in fig. 5 is the circuit schematic diagram of the image capturing unit in the present invention, the image capturing unit 2 includes a camera module whose model is OV7670 and an FIFO chip whose model is AL442B, the camera module SCL pin, SDA pin and VSYNC pin correspond to PD13 pin, PD14 and PD15 pin of the main control chip respectively and are connected, RCLK pin, RRST pin, OE pin and WEN pin of the FIFO chip correspond to PD9 pin, PD10, PD11 and PD12 pin of the main control chip respectively and are connected, and D0 pin to D7 pin of the FIFO chip correspond to PD0 pin to PD7 pin of the main control chip respectively and are connected.

As shown in fig. 6, the power supply unit of the present invention is a schematic circuit diagram, the power supply unit 6 employs a rechargeable battery pack of a type DC-12680, and the output voltage of the rechargeable battery pack is 3.3V-4.2V.

As shown in fig. 7, the circuit schematic diagram of the triggering alarm unit of the present invention, the triggering alarm unit 3 includes an alarm switch, one end of the alarm switch is grounded, and the other end is connected to the pin PC13-TAMPER-RTC of the main control chip.

As shown in fig. 8, the utility model discloses can finally integrate and set up in the necklace in the picture hangs and weighs down, utilize the miniature camera lens in the eyes of smiling face to acquire real-time image to trigger the warning, realize through the circular pull ring of pulling bottom the utility model discloses a design function.

The utility model discloses a basic mode and principle as follows:

the GPS emergency alarm starts to continuously scan the state of an IO port connected with the triggering alarm device after being electrified, when an emergency situation occurs, the triggering alarm pull ring can be manually pulled so as to change the state of the IO port of the controller, the controller sends coordinate information of the GPS positioning module to a remote mobile phone client through the SIM800C module in a short message mode, and sends a site image to the remote mobile phone client through the SIM800C module in a multimedia message mode. When no GPS signal is encountered, the mobile phone automatically switches to the SIM800C base station positioning mode, and sends the coordinate information to the mobile phone client in a short message mode.

The utility model discloses GPS emergency alarm can be in any local use that has removal or UNICOM's signal to cover, can be applied to outdoor exploration, meet with emergency's such as robbery emergency alarm.

After the alarm device is triggered, the positioning module can obtain the position coordinates of the case finding field, the image acquisition unit can acquire the case scene, the central controller unit can send the case scene position coordinates to the emergency contact mobile phone or the public security agency in a short message mode through the wireless communication module, and the case scene image is sent to the emergency contact mobile phone or the public security agency in a multimedia message mode. The GSM communication module realizes the positioning function in a base station positioning mode under the condition of no GPS signal or weak GPS signal.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The emergency alarm based on the GPS is characterized by comprising a central controller unit (4) for overall centralized control, an image acquisition unit (2) connected with the central controller unit (4) and used for acquiring real-time images, a power supply unit (6) used for providing power supply input, a triggering alarm unit (3) used for emergency alarm, a positioning unit (1) used for realizing instant positioning position coordinates and a wireless communication unit (5) used for instantly transmitting data information and in communication connection with a remote mobile phone client (7).

2. A GPS-based emergency alarm according to claim 1, characterised in that the central controller unit (4) employs a master control chip of the type STM32F103ZET 6.

3. The GPS-based emergency alarm according to claim 2, wherein the triggering alarm unit (3) comprises an alarm switch, one end of the alarm switch is grounded, and the other end of the alarm switch is connected with a pin PC12 of the main control chip.

4. The GPS-based emergency alarm device as claimed in claim 2, wherein the image acquisition unit (2) comprises a camera module with a model OV7670 and an FIFO chip with a model AL442B, the camera module SCL pin, the SDA pin and the VSYNC pin are respectively and correspondingly connected with the PD13 pin, the PD14 pin and the PD15 pin of the main control chip, the RCLK pin, the RRST pin, the OE pin and the WEN pin of the FIFO chip are respectively and correspondingly connected with the PD9 pin, the PD10 pin, the PD11 pin and the PD12 pin of the main control chip, and the D0 pin to the D7 pin of the FIFO chip are respectively and correspondingly connected with the PD0 pin to the PD7 pin of the main control chip.

5. The GPS-based emergency alarm device according to claim 2, wherein the positioning unit (1) adopts a GPS positioning module, and a TXD1 pin and an RXD1 pin of the GPS positioning module are correspondingly connected with a PB11 pin and a PB10 pin of the main control chip respectively.

6. The GPS-based emergency alarm device according to claim 2, wherein the wireless communication unit (5) adopts a GSM communication module with a model number of SIM800C, the GSM communication module is composed of a SIM card slot submodule, an SMA antenna submodule and a communication chip submodule, and a UART1_ TXD pin and a UART1_ RXD pin of the communication chip submodule are correspondingly connected with a PA3 pin and a PA2 pin of the main control chip respectively.

7. A GPS-based emergency alarm according to claim 1, characterised in that the power supply unit (6) is a rechargeable battery pack of the type DC-12680.

8. A GPS-based emergency alarm according to claim 7, wherein the output voltage of the rechargeable battery pack is 3.3V to 4.2V.

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