Communication navigation terminal

Abstract

The invention discloses a communication navigation terminal, comprising: a housing having an accommodating cavity, the housing comprising a base, a side wall and a radome, the base being installed at the lower end of the side wall, the radome being located at the upper end of the side wall, the housing exposing physical buttons and signal lamps, the physical buttons comprising an SOS alarm button; the circuit board is arranged in the accommodating cavity of the shell, and the circuit board is provided with a micro-control unit, a power management circuit, an RD short message unit, an RN positioning unit and a communication unit; and the battery is arranged in the accommodating cavity of the shell. The RN positioning unit of the communication navigation terminal can be suitable for Beidou positioning, the RD short message unit can be suitable for Beidou short messages, and positioning and short message transmission functions are achieved. When the SOS alarm key is pressed down, the equipment immediately sends information such as coordinates and time of the vehicle to an emergency contact person or a rescue center through a Beidou short message.

Description

Technical Field

[0001] The present invention relates to the field of communication technology, and in particular to a communication navigation terminal. Background Art

[0002] With the rapid development of global navigation and positioning technology, the Beidou system has become one of the most widely used satellite navigation systems in the world. In sports events, navigation and positioning has become a key technology, and traditional navigation equipment has shown limitations in sports events. Therefore, finding a Beidou sports event positioning and navigation terminal that is more suitable for sports events with complex environments is a hot topic and difficulty in current research. Summary of the invention

[0003] In order to solve at least one technical problem of the prior art, the present invention aims to provide a communication navigation terminal.

[0004] The communication navigation terminal of the present invention comprises: a shell having a accommodating cavity, the shell comprising a base, a side enclosure and an antenna cover, the base being installed at the lower end of the side enclosure, the antenna cover being at the upper end of the side enclosure, the shell exposing physical buttons and signal lights, the physical buttons comprising an SOS alarm button; a circuit board arranged in the accommodating cavity of the shell, the circuit board having a micro control unit, a power management circuit, an RD short message unit, an RN positioning unit and a communication unit; and a battery arranged in the accommodating cavity of the shell.

[0005] In some embodiments, the inner wall of the side enclosure has a plurality of mounting columns distributed in a circumferential direction, each mounting column extends in an axial direction of the side enclosure, and a plurality of first mounting portions distributed in a circumferential direction and aligned with the mounting columns on the inner wall of the side enclosure are provided on the base, and the first mounting portions are connected to the lower ends of the mounting columns by screws.

[0006] In some embodiments, the inner wall of the side enclosure has a plurality of mounting columns distributed in a circumferential direction, each mounting column extends in an axial direction of the side enclosure, and the antenna cover is provided with a plurality of second mounting portions that are respectively aligned with the mounting columns on the inner wall of the side wall, and the second mounting portions are connected to the upper ends of the mounting columns by screws.

[0007] In some embodiments, a first sealing ring is provided between the base and the side circumference, and the first sealing ring seals the seam between the base and the side circumference.

[0008] In some embodiments, a sealing groove is provided on the end surface of the lower end of the side surround, and the first sealing ring is disposed in the sealing groove.

[0009] In some embodiments, a second sealing ring is provided between the radome and the side enclosure, and the second sealing ring seals the seam between the radome and the side enclosure.

[0010] In some embodiments, the lower end of the inner wall of the side enclosure has a plurality of third mounting portions distributed along the circumferential direction, each third mounting portion is provided with a threaded hole, a third mounting hole aligned with the threaded hole on the third mounting portion is provided at the edge of the circuit board, and a screw passes through the third mounting hole and is threadedly connected to the threaded hole on the third mounting portion.

[0011] In some embodiments, an edge of the circuit board is provided with a clearance gap aligned with the position of the mounting post.

[0012] In some embodiments, the communication navigation terminal also includes an antenna module, a fourth mounting hole is provided on the edge of the antenna module, the antenna module is arranged between the antenna cover and the side panel, and the screws connecting the antenna cover and the side panel also pass through the fourth mounting hole of the antenna module.

[0013] In some embodiments, a signal transmission device is also included.

[0014] The RN positioning unit of the communication and navigation terminal of the present invention can be adapted to Beidou positioning, and the RD short message unit can be adapted to Beidou short messages, so as to realize positioning and short message transmission functions. When the SOS alarm button is pressed, the device immediately sends the coordinates, time and other information of the vehicle to the emergency contact or rescue center via Beidou short messages. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 It is a schematic diagram of the appearance of a communication navigation terminal in some examples of the present invention.

[0017] Figure 2 Detailed description of the invention The figure is an exploded view of the communication and navigation terminal in some examples of the present invention. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Reference below Figure 1-Figure 2 A communication navigation terminal according to an embodiment of the present invention is described.

[0022] Figure 1 and Figure 2The appearance diagram and exploded diagram of the communication and navigation terminal of some examples of the present disclosure are respectively shown. In some examples, the outer wall of the communication and navigation terminal has physical buttons and signal lights 10. For example, the outer wall of the communication and navigation terminal has two physical buttons, one of which is a power button 11, and the other is an alarm button 3 for sending a distress signal. When the power button 11 is pressed, the communication and navigation terminal enters the power-on or power-off state. When the SOS alarm button 3 is pressed, the communication and navigation terminal sends the coordinates, time and other information of the vehicle to the emergency contact or rescue center through the Beidou short message. The signal lights 10 can have multiple ones, which can be used to indicate the working state of the communication and navigation terminal. For example, the signal lights 10 include a PWR signal light, an RD signal light, an RN signal light, a BT signal light and an SOS signal light. The PWR signal light is a power signal light, and the PWR signal light is on to indicate that the communication and navigation terminal is in the power-on state. The RD signal light is a data transmission signal light, and the RD signal light is on to indicate that the data transmission is in the working state. The RN signal light is a positioning signal light, and the RN signal light is on to indicate that the positioning function is in the working state. The BT signal light is a Bluetooth communication signal light. When the BT signal light is on, it means that the Bluetooth communication is in working state. The SOS signal light is an emergency signal light. When the SOS signal light is on, it means that the communication navigation terminal is in an alarm working state. It should be noted that more physical buttons and signal lights can be set as needed.

[0023] In some examples, the communication and navigation terminal includes a shell having a storage cavity. The shell includes a base 5, a side wall 9 and a radome 6. Optionally, the communication and navigation terminal has a cylindrical appearance, that is, the base 5 and the radome 6 are circular, and the side wall 9 can be a ring-shaped ring with open upper and lower ends. The base 5, the side wall 9 and the radome 6 can be made of a blend of polycarbonate (PC) and acrylonitrile-butadiene-styrene copolymer (ABS). The base 5, the side wall 9 and the radome 6 form a storage cavity, and the battery and circuit board of the communication and navigation terminal are arranged in the storage cavity. A plurality of holes are provided on the side wall 9, and the physical buttons and signal lights 10 connected to the circuit board are exposed through these holes.

[0024] In some examples, the base 5 can be connected to the lower end of the side enclosure 9 by screws, and the radome 6 can be connected to the upper end of the side enclosure 9 by screws. The radome 6 and the side enclosure 9 only need to be assembled by screws, which is convenient and effectively reduces the assembly process. Specifically, the inner wall of the side enclosure 9 has a plurality of mounting posts 91 distributed in the circumferential direction, and each mounting post 91 extends in the axial direction of the side enclosure 9. The base 5 is provided with a plurality of first mounting portions 51 distributed in the circumferential direction and aligned with the mounting posts 91 on the inner wall of the side enclosure 9. The radome 6 is provided with a plurality of second mounting portions aligned with the mounting posts 91 on the inner wall of the side enclosure 9. The first mounting portion 51 is connected to the lower end of the mounting post 91 by screws, and the second mounting portion is connected to the upper end of the mounting post 91 by screws. For example, the upper and lower ends of the mounting post 91 are respectively provided with threaded holes extending in the axial direction of the mounting post 91, the first mounting portion 51 is provided with a first mounting hole 52 penetrating the first mounting portion 51 in the axial direction, and the second mounting portion is provided with a second mounting hole penetrating the second mounting portion in the axial direction. The base 5 is connected to the side wall 9 by screwing through the first mounting hole 52 from the bottom of the base 5 to the threaded hole at the lower end of the mounting column 91. The antenna cover 6 is connected to the side wall 9 by screwing through the second mounting hole from the top of the antenna cover 6 to the threaded hole at the upper end of the mounting column 91. The mounting column 91, the first mounting portion 51, and the second mounting portion can have six, respectively, and they are evenly arranged along the circumferential direction.

[0025] In some examples, a first sealing ring 4 is provided between the base 5 and the side enclosure 9, and the first sealing ring 4 can seal the joint between the base 5 and the side enclosure 9, and the material thereof can be 65-degree silicone. For example, a sealing groove is provided on the end surface of the lower end of the side enclosure 9, and the first sealing ring 4 is arranged in the sealing groove. When the base 5 is connected to the side enclosure 9, the base 5 squeezes the first sealing ring 4. A first side wall 53 is provided along the edge of the base 5, and the top of the first side wall 53 is flush with the top of the first mounting portion 51 or the top of the first side wall 53 is higher than the top of the first mounting portion 51. When the base 5 is connected to the side enclosure 9, the top of the first side wall 53 squeezes the first sealing ring 4.

[0026] In some examples, a second sealing ring 1 is provided between the radome 6 and the side enclosure 9, and the second sealing ring 1 can seal the seam between the radome 6 and the side enclosure 9, and the material thereof can be 65-degree silicone. For example, a sealing groove is provided on the end surface of the upper end of the side enclosure 9, and the second sealing ring 1 is arranged in the sealing groove. When the radome 6 is connected to the side enclosure 9, the base 5 squeezes the second sealing ring 1. A second side wall is provided along the edge of the radome 6, and the top of the second side wall is flush with the top of the second mounting portion or the top of the second side wall is higher than the top of the second mounting portion. When the radome 6 is connected to the side enclosure 9, the top of the second side wall squeezes the second sealing ring 1.

[0027] In some examples, the communication and navigation terminal further includes a circuit board 2. A microcontroller unit (MCU), a power management circuit, an RD short message unit, an RN positioning unit, and a communication unit are integrated on the circuit board 2. The RN positioning unit is used to obtain GNSS satellite data, including a UART interface, an LNA low noise amplifier receiving circuit, and an RN positioning antenna. The UART interface is used for MCU communication, and both interfaces are 232 level and can be directly connected. The LNA low noise amplifier receiving circuit uses an LC matching circuit for filtering to achieve optimal reception of satellite signals. The RF input of the RN positioning unit uses an MCX interface for communication and is matched and debugged with the RN positioning antenna. The RD short message unit includes an RD module, a transmitting unit, a receiving unit, and a UART interface. The RD module is used for short message data protocol encoding and parsing, data processing, and storage. The transmitting and receiving units are the input and output of the RF, respectively, including matching circuit design, filtering design, LNA design, etc. The communication unit may include a Bluetooth module and a SIM card module, etc. The SIM card can be used to read the ID and attribute information of the short message card for satellite entry and exit registration and networking. The circuit board 2 is installed in the side enclosure 9. For example, the lower end of the inner wall of the side enclosure 9 has a plurality of third mounting portions 92 distributed in the circumferential direction, and each third mounting portion 92 is provided with a threaded hole. The edge of the circuit board 2 is provided with a third mounting hole 21 aligned with the threaded hole on the third mounting portion 92. The screw passes through the third mounting hole 21 and is threadedly connected with the threaded hole on the third mounting portion 92 to achieve the connection between the circuit board 2 and the side enclosure 9. The edge of the circuit board 2 is provided with a gap 22 aligned with the position of the mounting column 91 to prevent the circuit board 2 from interfering with the mounting column 91. The surface of the circuit board 2 is sprayed with a three-proof paint, and a protective film will be formed on the surface to prevent leakage, short circuit, waterproof, moisture-proof, and improve insulation strength.

[0028] In some examples, the communication navigation terminal further includes a battery 12 disposed in the housing. The battery 12 is disposed below the circuit board 2. Optionally, the battery 12 is bonded to the inner side of the base 5. The battery 12 can be a rechargeable lithium battery to provide a continuous and stable power supply for the electronic components of the whole machine.

[0029] In some examples, the communication and navigation terminal further includes an antenna module 7. A fourth mounting hole is provided on the edge of the antenna module 7. The antenna module 7 is disposed between the antenna cover 6 and the side enclosure 9, and the screws connecting the antenna cover 6 and the side enclosure 9 also pass through the fourth mounting hole of the antenna module 7. The function of the antenna module 7 is to provide high-precision positioning, data transmission and navigation services.

[0030] In some examples, the communication and navigation terminal further includes a magnet 13. The magnet 13 is disposed on the inner side of the base, and its function is to provide magnetic attraction for fixing the communication and navigation terminal.

[0031] In some examples, the communication and navigation terminal further includes a signal transmission device 8. The signal transmission device 8 is a signal transmission line and a connector, and is used to transmit 232 data.

[0032] The antenna radiator of the communication and navigation terminal is an all-in-one antenna, including a Beidou antenna, a Tiantong antenna (including but not limited to 2 antennas), a multiplexer, an integrated circuit board, and a waterproof and pressure-resistant cable.

[0033] In the description of this specification, the description with reference to the terms "some embodiments", "optionally", "further" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A communication and navigation terminal, characterized in that: include: The housing has a receiving cavity, the housing includes a base, a side enclosure and an antenna cover, the base is installed at the lower end of the side enclosure, the antenna cover is at the upper end of the side enclosure, the housing exposes physical buttons and signal lights, and the physical buttons include an SOS alarm button; A circuit board is arranged in the accommodating cavity of the housing, and the circuit board has a micro control unit, a power management circuit, an RD short message unit, an RN positioning unit and a communication unit; and The battery is arranged in the accommodating cavity of the shell.

2. The communication navigation terminal according to claim 1, characterized in that: The inner wall of the side enclosure has a plurality of mounting columns distributed in the circumferential direction, each mounting column extends in the axial direction of the side enclosure, and the base is provided with a plurality of first mounting portions distributed in the circumferential direction and aligned with the mounting columns on the inner wall of the side enclosure, the first mounting portions are connected to the lower ends of the mounting columns by screws, and a first sealing ring is provided between the base and the side enclosure, and the first sealing ring seals the joint between the base and the side enclosure.

3. The communication navigation terminal according to claim 2, characterized in that: A sealing groove is provided on the end surface of the lower end of the side surround, and the first sealing ring is arranged in the sealing groove.

4. The communication navigation terminal according to claim 1, characterized in that: The inner wall of the side enclosure has a plurality of mounting posts distributed in the circumferential direction, each mounting post extending in the axial direction of the side enclosure, the antenna cover is provided with a plurality of second mounting portions which are respectively aligned with the mounting posts on the inner wall of the side enclosure, the second mounting portions are connected to the upper ends of the mounting posts by screws, a second sealing ring is provided between the antenna cover and the side enclosure, the second sealing ring seals the joint between the antenna cover and the side enclosure.

5. The communication navigation terminal according to claim 4, characterized in that: A sealing groove is provided on the end surface of the upper end of the side surround, and the second sealing ring is arranged in the sealing groove.

6. The communication navigation terminal according to claim 1, characterized in that: The lower end of the inner wall of the side enclosure has a plurality of third mounting portions distributed along the circumferential direction, each third mounting portion is provided with a threaded hole, the edge of the circuit board is provided with a third mounting hole aligned with the threaded hole on the third mounting portion, and the screw passes through the third mounting hole and is threadedly connected with the threaded hole on the third mounting portion.

7. The communication navigation terminal according to claim 6, characterized in that: An edge of the circuit board is provided with a gap that is aligned with the position of the mounting post.

8. The communication navigation terminal according to claim 6, characterized in that: A protective film is formed on the surface of the circuit board.

9. The communication navigation terminal according to claim 4, characterized in that: The communication navigation terminal also includes an antenna module, a fourth mounting hole is provided on the edge of the antenna module, the antenna module is arranged between the antenna cover and the side enclosure, and the screws connecting the antenna cover and the side enclosure also pass through the fourth mounting hole of the antenna module.

10. The communication navigation terminal according to claim 1, characterized in that: Also included is a signal transmission device.

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