CN219143552U

CN219143552U - Calling device integrating indoor and outdoor positioning

Info

Publication number: CN219143552U
Application number: CN202222602930.7U
Authority: CN
Inventors: 邢枫; 楼喜中; 王浩; 潘德福
Original assignee: Hangzhou Weiying Technology Co ltd; China Jiliang University
Current assignee: Hangzhou Weiying Technology Co ltd; China Jiliang University
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-06-06
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a distress call device integrating indoor and outdoor positioning, which comprises a bottom plate, a metal middle frame, a main plate and a shell, wherein a display and a key panel are arranged on the shell, a main control module, a SIM card slot, a UWB module, a Bluetooth module, a LORA module, a 4G & GPS module and two AHRS modules which are respectively communicated with the main control module are arranged on the main plate, and the display and the key panel are connected with the main control module. The distress call device can realize real-time positioning of the indoor and outdoor of a wearer, has high positioning precision and small environmental interference factor, and the AoA/AoD indoor positioning function, the UWB indoor positioning function and the AHRS indoor positioning function can be selected according to different environments, so that the use is more flexible; the LORA module and the 4G module are combined to obviously improve the communication capacity of the distress call device, obviously enhance the anti-interference capacity and meet the communication requirement of the complex environment on the fire scene.

Description

Calling device integrating indoor and outdoor positioning

Technical Field

The utility model relates to the technical field of distress devices for guaranteeing personal safety, in particular to a distress device integrating indoor and outdoor positioning.

Background

The urban fire disaster has various causes, and the diversity and the complexity of the fire disaster accidents put higher demands on the fire fighting and rescue.

When firefighters implement fire rescue, the scene situation is complex and changeable, in the face of possible sudden unexpected situations, firefighters must first use the help caller to transmit rescue information to the outside, most of the help caller on the market does not contain a positioning function, and a part of the help caller is internally provided with a Beidou/GPS positioning module, but the Beidou/GPS positioning module cannot realize indoor positioning, and cannot effectively transmit positioning information when the indoor topography is complex, so that rescue efficiency is affected.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a fused indoor and outdoor positioning distress call device which can accurately position indoor and outdoor in real time and has strong communication capability, and the technical scheme is as follows:

the utility model provides a fusion indoor and outdoor positioning's distress call device, includes bottom plate, metal center, mainboard and shell, the bottom plate is installed in metal center lower extreme, be equipped with battery and battery holder interface on the bottom plate, metal center upper end is equipped with the mounting groove, the mainboard is installed in the mounting groove, the shell is installed the opening part of mounting groove, be equipped with the battery holder on the mainboard, just the battery holder with battery holder interface electricity is connected,

the display and the key panel are arranged on the shell, a main control module, a SIM card slot, a UWB module, a Bluetooth module, a LORA module, a 4G & GPS module and two AHRS modules which are respectively communicated with the main control module are arranged on the main board, and the display and the key panel are connected with the main control module.

Preferably, a power key is further arranged on the shell, and the power key is electrically connected with the main control module.

Preferably, the main board is further provided with an LED, and the housing is provided with a light-transmitting portion matched with the LED.

Preferably, the mainboard is further provided with a Type-c test module and a Type-c seat, and the shell is provided with a socket matched with the Type-c seat.

Preferably, the bluetooth module is a bluetooth 5.1 module.

Preferably, one end of the metal middle frame is provided with a 4G antenna, a UWB antenna and a LORA antenna, and one end of the shell is provided with three antenna holes matched with the 4G antenna, the UWB antenna and the LORA antenna respectively.

The distress call device supports GPS outdoor positioning, also supports AoA/AoD indoor positioning function, UWB indoor positioning function and AHRS indoor positioning function, can realize real-time positioning of the indoor and outdoor of a wearer, has high positioning precision and small environmental interference factor, and can be selected according to different environments, so that the use is more flexible;

the LORA module and the 4G module are combined to obviously improve the communication capacity of the distress call device, obviously enhance the anti-interference capacity and meet the communication requirement of the complex environment on the fire scene.

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

(1) The precision positioning is high, so that the accurate positioning and real-time tracking can be realized;

the utility model integrates a plurality of positioning technologies of Beidou/GPS, AHRS, UWB and AOA/AoD, so that real-time accurate positioning can be realized regardless of indoor and outdoor;

particularly, the distress call device is embedded with two AHRS modules, and the positioning accuracy is improved by adopting a fusion positioning algorithm based on complementary filtering and gradient descent, so that the movement state of a wearer can be accurately identified, and the wearer can be identified at the first time and alarm information can be sent to a commander when the wearer falls down;

(2) The anti-interference is strong: is not easy to be disturbed by the environment;

the integration of LORA and 4G module is used for the communication ability of calling for help ware is showing and is improving, and interference killing feature is showing and is strengthening, improves rescue efficiency and fire control emergency command processing's ability greatly.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a distress call device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a lower end face of a motherboard according to an embodiment of the present application.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The embodiment of the distress call device integrating indoor and outdoor positioning comprises a bottom plate 1, a metal middle frame 2, a main board 3 and a shell 4, wherein the bottom plate 1 is arranged at the lower end of the metal middle frame 2, a battery and a battery seat interface 1-1 are arranged on the bottom plate 1, a mounting groove is arranged at the upper end of the metal middle frame 2, the main board 3 is arranged in the mounting groove, the shell 4 is arranged at the opening of the mounting groove, a battery seat 3-1 is arranged on the main board 3, the battery seat 3-1 is electrically connected with the battery seat interface 1-1,

the shell 4 is provided with a display 5 and a key panel 6, the main board 3 is provided with a main control module 7, a SIM card slot 26, a UWB module 8, a Bluetooth module 9, a LORA module 10, a 4G & GPS module 11 and two AHRS modules 12 which are respectively communicated with the main control module 7, and the display 5 and the key panel 6 are connected with the main control module 7.

The overall device distribution of the distress call device is shown in fig. 1, a battery is arranged on the bottom plate 1, a through hole 2-1 matched with the battery seat interface 1-1 is arranged on the metal middle frame 2, the bottom plate 1 is arranged at the lower end of the metal middle frame 2, the battery seat interface 1-1 stretches into the through hole, and a charging interface 1-2 for charging the battery is also arranged on the bottom plate 1;

the upper end of the metal middle frame 2 is provided with a mounting groove, the upper end of the battery bottom plate 1 is provided with a battery seat interface 1-1 matched with the battery seat 3-1, the lower end of the main board 3 is provided with a battery seat 3-1, the main board 3 is mounted in the mounting groove, and the battery seat 3-1 is connected with the battery seat interface 1-1 so as to provide power for the main board 3;

the outer shell 4 is mounted at the upper end of the metal middle frame 2.

The front surface of the shell 4 is provided with a display 5 and a key panel 6;

the shell 4 is provided with three antenna holes 18 and a power key 13, one end of the metal middle frame 2 is provided with a 4G antenna 15, a UWB antenna 16 and a LORA antenna 17 which are respectively connected with a 4G antenna seat 21, a UWB antenna seat 20 and a LORA antenna seat 19, the 4G antenna 15, the UWB antenna 16 and the LORA antenna 17 are specifically a 4G glue stick antenna, a UWB glue stick antenna and a LORA glue stick antenna, the 4G glue stick antenna, the UWB glue stick antenna and the LORA glue stick antenna are respectively inserted into the three antenna holes 18, and the power key 13 is used for controlling the starting or the stopping of the distress call device;

the main board 3 can be further provided with an LED14, the shell 4 is provided with a light transmission part matched with the LED14, and after the help caller is started, the LED lamp is lightened, so that the help caller can be conveniently positioned in a dark environment;

the left side of the shell 4 is provided with an intercom key 4-2 and a volume key 4-3;

the main board 3 is also provided with a Type-c test module 27 and a Type-c seat, and the shell 4 is provided with a socket 4-1 matched with the Type-c seat;

the upper end of the main board 3 is provided with an LED14, a UWB module 8, a Bluetooth module 9, a BLE antenna base 25, a first FPC connecting base 23 and a second FPC connecting base 24;

the lower end of the main board 3 is provided with a main control module 7, a SIM card slot 26, a LORA module 10, a 4G & GPS integrated module 11, two AHRS modules 12, a LORA antenna base 19, a UWB antenna base 20, a 4G antenna base 21 and a GPS antenna base 22;

the main control module 7 adopts an STM32H750 singlechip;

the main control module 7 is electrically connected with the display 5 through the first FPC connecting seat 23; the main control module 7 is electrically connected with the key module through a second FPC connecting seat 24;

the UWB module 8 is communicated with the main control module 7 through SPI and is connected with the UWB antenna base 20 on the main board 3 through wires, and when the UWB module 8 is electrified, the distress call device has UWB indoor positioning function;

the Bluetooth module 9 is Bluetooth 5.1, the Bluetooth 5.1 module is communicated with the main control module 7 through a serial port and is connected with a BLE antenna seat 25 on the main board 3 through a wiring, and when the Bluetooth 5.1 module is electrified, the distress call device has an AoA/AoD indoor positioning function;

the SIM card slot 26 is used for inserting a SIM card, and the SIM card slot uses a serial port to communicate with the main control module 7;

the 4G & GPS integrated module is communicated with the main control module 7 through a serial port, the 4G & GPS integrated module is connected with the 4G antenna base 21 and the GPS antenna base 22 through wires on the main board 3, and when the 4G & GPS integrated module is electrified, the distress call device has a GPS positioning function and supports 2G, 3G, 4G and 5G frequency bands;

the LORA module 10 is communicated with the main control module 7 through a serial port, is connected with the LORA antenna base 19 through a wiring on the main board 3, and supports a wireless communication function after the LORA module 10 is powered on, and the LORA module 10 is powered on after the talk-back key is started, so that the talk-back function and the wireless communication function of the help calling machine are realized; the LORA module 10 can enable the distress call device to carry out regional networking according to the requirements and actual conditions of the scene, the use is more flexible, the 4G module is more stable in communication, the communication speed is high, the communication capacity of the distress call device is obviously improved by combining the LORA module 10 with the 4G module, the anti-interference capacity is obviously enhanced, and the communication requirement of the condition of complex environment of the scene of fire fighting is met;

the two AHRS modules 12 are respectively communicated with the main control module 7 through SPIs, and when the two AHRS modules 12 are electrified, the distress call device has an indoor positioning function; and the two AHRS modules 12 adopt a fusion positioning algorithm based on complementary filtering and gradient descent, so that the positioning accuracy is improved, the movement state of the wearer can be accurately identified, and the position information and the movement state information of the wearer can be outwards sent to give an alarm when the wearer falls.

The distress call device supports GPS outdoor positioning, also supports AoA/AoD indoor positioning function, UWB indoor positioning function and AHRS indoor positioning function, can realize real-time positioning of the indoor and outdoor of a wearer, is high in positioning precision and small in environmental interference factor, and the AoA/AoD indoor positioning function, the UWB indoor positioning function and the AHRS indoor positioning function can be selected according to different environments, so that the use is more flexible.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a fusion indoor and outdoor positioning help caller which is characterized by comprising a bottom plate (1), a metal middle frame (2), a main plate (3) and a shell (4), wherein the bottom plate (1) is arranged at the lower end of the metal middle frame (2), a battery and a battery seat interface (1-1) are arranged on the bottom plate (1), a mounting groove is arranged at the upper end of the metal middle frame (2), the main plate (3) is arranged in the mounting groove, the shell (4) is arranged at the opening of the mounting groove, a battery seat (3-1) is arranged on the main plate (3), and the battery seat (3-1) is electrically connected with the battery seat interface (1-1),

install display (5) and button panel (6) on shell (4), be equipped with main control module (7), SIM draw-in groove on mainboard (3) and respectively with UWB module (8), bluetooth module (9), LORA module (10), 4G & GPS module (11) and two AHRS modules (12) that main control module (7) communicate, display (5) and button panel (6) with main control module (7) are connected.

2. The fusion indoor and outdoor positioning distress call device according to claim 1, wherein a power key (13) is further arranged on the housing (4), and the power key (13) is electrically connected with the main control module (7).

3. The integrated indoor and outdoor positioning distress device according to claim 2, wherein the main board (3) is further provided with an LED (14), and the housing (4) is provided with a light transmission part matched with the LED (14).

4. The integrated indoor and outdoor positioning distress call device according to claim 1, wherein a Type-c testing module (27) and a Type-c seat are further arranged on the main board (3), and a socket (4-1) matched with the Type-c seat is arranged on the shell (4).

5. The integrated indoor and outdoor positioning distress device according to claim 1, wherein the bluetooth module (9) is a bluetooth 5.1 module.

6. The fusion indoor and outdoor positioning distress call device according to claim 1, wherein one end of the metal middle frame (2) is provided with a 4G antenna (15), a UWB antenna (16) and a LORA antenna (17), and one end of the housing (4) is provided with three antenna holes (18) matched with the 4G antenna (15), the UWB antenna (16) and the LORA antenna (17) respectively.