CN215344721U

CN215344721U - Peripheral positioning device of mobile terminal

Info

Publication number: CN215344721U
Application number: CN202120617520.2U
Authority: CN
Inventors: 陈冰; 林元富; 杨宏伟
Original assignee: Duolun Technology Corp ltd
Current assignee: Duolun Technology Corp ltd; Duolun Technology Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-12-28
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a peripheral positioning device of a mobile terminal, which comprises: the device comprises a first shell, a second shell, a position measuring unit, a central processing unit, a wireless communication unit and a power supply unit; the first shell and the second shell are connected to form an accommodating cavity; the position measuring unit, the central processing unit, the wireless communication unit and the power supply unit are all arranged in the accommodating cavity; the position measuring unit and the wireless communication unit are electrically connected with the central processing unit; the power supply unit is used for supplying power to the position measuring unit, the central processing unit and the wireless communication unit; the outer surface of the first shell is provided with an installation cavity for installing a mobile terminal, and the mobile terminal is in data connection with the wireless communication unit. The utility model can enhance the peripheral equipment of the positioning function of the mobile terminal, solves the problem that the existing mobile terminal can not meet the high-precision positioning requirement under special application scenes, and simultaneously can not influence the use of the mobile terminal under common scenes based on the detachability between the mobile terminal and the mobile terminal.

Description

Peripheral positioning device of mobile terminal

Technical Field

The utility model relates to a peripheral positioning device of a mobile terminal, belonging to the technical field of police equipment.

Background

The mobile law enforcement device is also called police law enforcement recorder or field law enforcement recorder, is an electronic device integrating functions of digital camera shooting, positioning, communication and the like, can record the dynamic and static conditions of the field in the law enforcement process in a digitalized manner, and is convenient for normal development in the law enforcement process and real-time evidence collection in the law enforcement process. Mobile law enforcement equipment is a law enforcement equipment commonly used in city management at present, and is used for communication and real-time recording in city law enforcement processes, which puts high requirements on the functionality and reliability of the mobile law enforcement equipment.

The precision of a satellite positioning module built in a commonly used mobile law enforcement device is usually 1-10 meters, and the requirement of most application scenes can be met, but in some special application scenes, high-precision positioning data of a centimeter level or even a sub-meter level can be required to be acquired, and the requirement of the special application scenes cannot be met by the conventional mobile law enforcement device.

Disclosure of Invention

The utility model provides a peripheral positioning device of a mobile terminal, aiming at solving the problem that mobile law enforcement equipment in the prior art cannot meet the requirement of high-precision positioning in special application scenes.

The utility model provides a peripheral positioning device of a mobile terminal, which comprises: the device comprises a first shell, a second shell, a position measuring unit, a central processing unit, a wireless communication unit and a power supply unit; the first shell and the second shell are connected to form an accommodating cavity; the position measuring unit, the central processing unit, the wireless communication unit and the power supply unit are all arranged in the accommodating cavity; the position measuring unit and the wireless communication unit are electrically connected with the central processing unit; the power supply unit is used for supplying power to the position measuring unit, the central processing unit and the wireless communication unit; the outer surface of the first shell is provided with an installation cavity for installing a mobile terminal, and the mobile terminal is in data connection with the wireless communication unit.

Furthermore, the first shell and the second shell are both provided with a position avoiding hole corresponding to an image acquisition device in the mobile terminal.

Furthermore, the accommodating cavity comprises a first accommodating cavity and a second accommodating cavity, and the first accommodating cavity and the second accommodating cavity are respectively arranged at two sides of the avoiding hole; the position measuring unit, the central processing unit and the wireless communication unit are arranged in the first accommodating cavity, and the power supply unit is arranged in the second accommodating cavity.

Furthermore, a charging connector is arranged inside the mounting cavity and is electrically connected with the power supply unit; when the charging interface of the mobile terminal is electrically connected with the charging connector, the power supply unit charges the mobile terminal.

Furthermore, the peripheral positioning device of the mobile terminal further comprises a charging management circuit, the charging management circuit is arranged in the first accommodating cavity, and the charging management circuit is electrically connected with the central processing unit and the power supply unit respectively.

Further, the position measurement unit comprises a positioning module and an inertial sensor, and the positioning module is electrically connected with the inertial sensor.

Furthermore, the position measuring unit and the wireless communication unit are connected with the central processing unit in an RS interface mode.

Further, the wireless communication unit includes: the Bluetooth communication module or/and the NFC communication module.

Further, the first shell and the second shell are fixedly connected through screws.

The utility model has the beneficial effects that:

1. according to the peripheral positioning device of the mobile terminal, the mounting cavity for mounting the mobile terminal is arranged on the outer surface of the first shell, so that the mobile terminal can be directly used as a back-clamping type device of the mobile terminal (generally, a mobile law enforcement device), can be directly mounted outside the mobile terminal, and can be detached from the mobile terminal when not in use; the position measuring unit is arranged in an accommodating cavity formed by connecting the first shell and the second shell, and the position measuring result is transmitted to the mobile terminal through the wireless communication unit, so that the peripheral enhancement of the positioning function of the mobile terminal is realized; the problem of current mobile terminal can not satisfy the high accuracy location demand under the special application scene is solved, simultaneously based on its and the detachability of the relation of connection between the mobile terminal, can not influence mobile terminal and use under the general scene that does not require high accuracy location yet.

2. According to the peripheral positioning device of the mobile terminal, the charging connector electrically connected with the power supply unit is arranged in the installation cavity, so that the mobile terminal in the installation cavity can be charged by the power supply unit when the charging connector of the mobile terminal is electrically connected with the charging connector.

Drawings

Fig. 1 is an exploded view of a peripheral positioning device of a mobile terminal according to the present invention;

FIG. 2 is a diagram illustrating an assembled state of a peripheral positioning device of a mobile terminal and the mobile terminal according to the present invention;

FIG. 3 is a schematic structural diagram of a peripheral positioning device of a mobile terminal according to the present invention;

description of reference numerals:

1-a first housing; 2-a second housing; 3-a position measurement unit; 4-a central processing unit; 5-a wireless communication unit; 6-a power supply unit; 7-mounting a cavity; 8-a mobile terminal; 9-avoiding holes; 10-a charging connector; 11-a charge management circuit; 12-substrate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 3, the present invention provides a peripheral positioning device of a mobile terminal, including: the device comprises a first shell 1, a second shell 2, a position measuring unit 3, a central processor 4, a wireless communication unit 5 and a power supply unit 6.

In this embodiment, an accommodating cavity is formed after the first housing 1 and the second housing 2 are connected, and the position measuring unit 3, the central processing unit 4, the wireless communication unit 5 and the power supply unit 6 are all arranged in the accommodating cavity. The position measuring unit 3 and the wireless communication unit 5 are both electrically connected with the central processing unit 4, and the power supply unit 6 is used for supplying power to the position measuring unit 3, the central processing unit 4 and the wireless communication unit 5. In particular, the position-measuring unit 3 may comprise a positioning module, such as a differential positioning device, and the position-measuring unit 3 may further comprise a motion sensor, such as a MEMS motion sensor. Specifically, the position measuring unit 3 and the wireless communication unit 5 can be connected with the central processing unit 4 through an RS232 interface, and the wireless communication unit 5 can be a bluetooth communication module, an NFC communication module, and can also include a bluetooth module and an NFC communication module. Specifically, the first housing 1 and the second housing 2 may be fixedly connected by screws, and of course, may be connected by other means such as a snap.

In this embodiment, the outer surface of the first housing 1 is provided with a mounting cavity 7 for mounting a mobile terminal 8, and the mobile terminal 8 is in data connection with the wireless communication unit 5.

In this embodiment, the accommodating cavity may be one cavity or a plurality of cavities. Specifically, when the mobile terminal 8 is provided with the image acquisition device, as shown in fig. 1 and 3, the first housing 1 and the second housing 2 may be provided with the avoiding hole 9 corresponding to the image acquisition device in the mobile terminal 8, and accordingly, the accommodating cavity may be set to two cavities, which are respectively the first accommodating cavity and the second accommodating cavity disposed on both sides of the avoiding hole 9, and the position measuring unit 3, the central processing unit 4 and the wireless communication unit 5 may be disposed in the first accommodating cavity, and the power supply unit 6 may be disposed in the second accommodating cavity. Specifically, as shown in fig. 1, the cpu 4, the wireless communication unit 5 and the position measuring unit 3 are disposed in the first accommodating cavity through the substrate 12.

In this embodiment, in order to protect the cpu 4, a charging management circuit 11 may be further disposed in the first accommodating cavity, and one end of the charging management circuit 11 is connected to the cpu 4, and the other end is connected to the power supply unit 6.

In the peripheral positioning device of the mobile terminal in this embodiment, the installation cavity 7 for installing the mobile terminal 8 is arranged on the outer surface of the first housing 1, so that the mobile terminal 8 can be directly used as a back-clip type device of the mobile terminal 8 (generally, a mobile law enforcement device), directly installed outside the mobile terminal 8, and can be detached from the mobile terminal 8 when not in use; the position measuring unit 3 is arranged in an accommodating cavity formed by connecting the first shell 1 and the second shell 2, and the position measuring result is transmitted to the mobile terminal 8 through the wireless communication unit 5, so that the peripheral enhancement of the positioning function of the mobile terminal 8 is realized; the problem of current mobile terminal 8 can not satisfy the high accuracy location demand under the special application scene is solved, simultaneously based on its and the detachability of the relation of connection between mobile terminal 8, can not influence mobile terminal 8 and use under the general scene that does not require high accuracy location yet.

As an optional implementation manner of this embodiment, in order to further expand the functions of the peripheral positioning device of the mobile terminal and meet the use requirements in different application scenarios, a charging connector 10 may be further disposed inside the installation cavity 7, the charging connector 10 is electrically connected to the power supply unit 6, and when the charging interface of the mobile terminal 8 is electrically connected to the charging connector 10, the power supply unit 6 charges the mobile terminal 8.

While embodiments of the present invention have been described above, the present invention is not limited to the specific embodiments and applications described above, which are intended to be illustrative, instructive, and not limiting. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the utility model as defined by the appended claims.

Claims

1. A peripheral positioning device of a mobile terminal, comprising: the device comprises a first shell (1), a second shell (2), a position measuring unit (3), a central processing unit (4), a wireless communication unit (5) and a power supply unit (6);

an accommodating cavity is formed after the first shell (1) and the second shell (2) are connected; the position measuring unit (3), the central processing unit (4), the wireless communication unit (5) and the power supply unit (6) are all arranged in the accommodating cavity; the position measuring unit (3) and the wireless communication unit (5) are electrically connected with the central processing unit (4); the power supply unit (6) is used for supplying power to the position measuring unit (3), the central processing unit (4) and the wireless communication unit (5);

the outer surface of the first shell (1) is provided with an installation cavity (7) for installing a mobile terminal (8), and the mobile terminal (8) is in data connection with the wireless communication unit (5).

2. The peripheral positioning device of the mobile terminal according to claim 1, wherein the first casing (1) and the second casing (2) are each provided with a clearance hole (9) corresponding to an image acquisition device in the mobile terminal (8).

3. The peripheral positioning device of the mobile terminal according to claim 2, wherein the accommodating cavities include a first accommodating cavity and a second accommodating cavity, and the first accommodating cavity and the second accommodating cavity are respectively disposed at two sides of the avoiding hole (9); the position measuring unit (3), the central processing unit (4) and the wireless communication unit (5) are arranged in the first accommodating cavity, and the power supply unit (6) is arranged in the second accommodating cavity.

4. The peripheral positioning device of a mobile terminal according to any of claims 1-3, wherein the mounting cavity (7) is provided with a charging connector (10) therein, which is electrically connected to the power supply unit (6); when the charging interface of the mobile terminal (8) is electrically connected with the charging connector (10), the power supply unit (6) charges the mobile terminal (8).

5. The peripheral positioning device of claim 3, further comprising a charging management circuit (11) disposed in the first accommodating cavity, wherein the charging management circuit (11) is electrically connected to the central processing unit (4) and the power supply unit (6), respectively.

6. Peripheral positioning device of a mobile terminal according to claim 5, characterized in that said position-measuring unit (3) comprises a positioning module and an inertial sensor, said positioning module and said inertial sensor being electrically connected.

7. The peripheral positioning device of claim 6, wherein the position measuring unit (3) and the wireless communication unit (5) are connected to the central processing unit (4) via RS232 interfaces.

8. The peripheral positioning device of a mobile terminal according to claim 7, wherein the wireless communication unit (5) comprises: the Bluetooth communication module or/and the NFC communication module.

9. The peripheral positioning device of the mobile terminal according to claim 1, wherein the first casing (1) and the second casing (2) are fixedly connected by screws.