CN210376697U - Beidou dual-mode handheld terminal with LTE function - Google Patents

Abstract

The utility model discloses a big dipper bimodulus hand-held terminal that possesses LTE function, including system assembly and appearance structure, system assembly is equipped with integrated circuit board, the last treater that is equipped with of integrated circuit board, the treater has connect input/output interface, SDRAM memory, FLASH memory, bus drive, graphic controller and ethernet controller, input/output interface is equipped with COM1 mouth, COM2 mouth, COM3 mouth, COM2 mouth connects big dipper module, big dipper module includes big dipper location navigation and GPS location navigation, COM3 mouth connects the LTE function board, big dipper module and LTE function board access power module; the handheld terminal is used for positioning, wireless communication, image acquisition, information processing and command control; the utility model discloses be equipped with big dipper module, realize GPS and big dipper dual localization function, be equipped with the LTE function board, support wireless communication, make a call, send out the SMS, send AT order, data transmission and internet function, this handheld terminal has stronger interference killing feature.

Description

Beidou dual-mode handheld terminal with LTE function

Technical Field

The utility model relates to a handheld terminal technical field, concretely relates to big dipper bimodulus handheld terminal that possesses LTE function.

Background

With the rapid development of microelectronic technology and computer technology, the application of the big dipper terminal in various industries is more and more extensive, such as fields of express logistics, warehouse inventory, purchase, sale, inventory management, clothing ordering, mobile sale, product tracing, hospital nursing, wholesale management, production management, water, electricity and gas meter reading, data acquisition and recording and the like, but the big dipper terminal is positioned by a single system, does not support the LTE function, or cannot meet various complex and severe environmental requirements in civil portable industrial computers, notebooks, palm computers and the like, and has fatal defects in the aspects of temperature adaptability, vibration and impact resistance, electromagnetic compatibility and the like; these disadvantages limit their use in the military.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a big dipper bimodulus hand-held terminal that possesses the LTE function.

The utility model provides a technical scheme that its technical problem adopted is: a Beidou dual-mode handheld terminal with an LTE function comprises a system assembly and an appearance structure, wherein the system assembly is provided with an integrated circuit board, the integrated circuit board is provided with a processor, the processor is connected with an input/output interface, an SDRAM (synchronous dynamic random access memory), a FLASH memory, a bus driver, a graphic controller and an Ethernet controller, and the bus driver, the graphic controller and the Ethernet controller are respectively connected with a liquid crystal screen, a touch screen and backlight control through a system bus and a display interface; the input and output interface is provided with a COM1 port, a COM2 port, a COM3 port, two universal serial bus controllers USB, a CF slot, a matrix keyboard, a power module and a function extension module, the COM2 port is connected with a Beidou module, the Beidou module comprises Beidou positioning navigation and GPS positioning navigation, the COM3 port is connected with an LTE function board, the Beidou module and the LTE function board are connected with the power module, the function extension module comprises an audio design, an RS232 serial port design, a charging function design and a TF card function design.

Specifically, the Beidou module is provided with an OEM module for realizing Beidou and GPS double positioning, a wide power supply and a full shielding design for real-time tracking and processing of Beidou satellite signals and GPS signals.

Specifically, the LTE function board is a network communication module, is used for wireless communication and data transmission, and is provided with ESD protection for electromagnetic interference resistance and electromagnetic compatibility.

Specifically, the appearance structure is a magnesium aluminum alloy shell with a sealed integrated structure, and the magnesium aluminum alloy shell is provided with a protective coating, an electromagnetic compatibility shield and damping shock absorption.

Specifically, the integrated circuit board is provided with a high-brightness liquid crystal screen, and adopts a thermal design, a filtering design and a three-prevention design.

Specifically, the antenna of the OEM module is a triple-band antenna, namely a Beidou and GPS integrated antenna.

Specifically, the power module is provided with 3.3V and 5V voltages required by a wide voltage conversion core module, so that the system and the LTE function board can normally and stably work; the handheld terminal is internally provided with a 7.4V polymer lithium battery for supplying power.

The utility model discloses following beneficial effect has:

1. the utility model discloses be equipped with big dipper module, realize GPS and big dipper dual localization function, this handheld terminal has high sensitivity signal capture ability, stabilizes efficient signal emission ability.

2. The utility model is provided with the LTE function board, supports the functions of wireless communication, telephone calling, short message sending, AT command sending, data transmission and internet surfing, and has stronger anti-interference capability;

3. the utility model discloses be equipped with integrated circuit board and appearance structure, all have protection and heat dissipation design, this handheld terminal has wide temperature, three proofings, electromagnetic compatibility, anti-vibration impact, highlight, low-power consumption characteristics.

Drawings

Fig. 1 is a block diagram of a Beidou dual-mode handheld terminal system with an LTE function.

Fig. 2 is a front view of a big dipper dual-mode handheld terminal antenna with an LTE function.

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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, a beidou dual-mode handheld terminal with an LTE function comprises a system assembly and a shape structure, wherein the system assembly is provided with an integrated circuit board, the integrated circuit board is provided with a processor, the processor is connected with an input/output interface, an SDRAM memory, a FLASH memory, a bus driver, a graphic controller and an ethernet controller, and the bus driver, the graphic controller and the ethernet controller are respectively connected with a liquid crystal screen, a touch screen and a backlight controller through a system bus and a display interface; the input and output interface is provided with a COM1 port, a COM2 port, a COM3 port, two universal serial bus controllers (USB), a CF slot, a matrix keyboard, a power module and a function expansion module, the COM2 port is connected with a Beidou module, the Beidou module comprises Beidou positioning navigation and GPS positioning navigation, the COM3 port is connected with an LTE function board, the Beidou module and the LTE function board are connected with the power module, and the function expansion module comprises audio design, RS232 serial port design, charging function design and TF card function design; the handheld terminal is used for positioning, wireless communication, image acquisition, information processing and command control.

The Beidou module is provided with an OEM module for realizing Beidou and GPS double positioning, wide power supply and full shielding design for real-time tracking processing of Beidou satellite signals and GPS signals; the LTE function board is a network communication module, is used for wireless communication and data transmission, is provided with ESD protection, and is used for resisting electromagnetic interference and electromagnetic compatibility; the magnesium-aluminum alloy shell with a sealed integrated structure is provided with a protective coating, electromagnetic compatibility shielding and damping; the integrated circuit board is provided with a high-brightness liquid crystal screen, adopts thermal design, filtering and three-proofing design, realizes high-brightness display in the design of the integrated circuit board and is used for displaying contents under strong light; the antenna of the OEM module is a three-frequency antenna, namely a Beidou and GPS integrated antenna; the power supply module is provided with a wide voltage which is converted into 3.3V and 5V voltages required by the core module, so that the system and the LTE function board can normally and stably work; a 7.4V polymer lithium battery is arranged in the handheld terminal, and when an external power supply is not available, the power supply module converts wide voltage into 12V voltage to supply the Beidou module to work; when external power supply, if the lithium cell electric quantity is not enough, then charge for the lithium cell, after the start, external power supply supplies power for handheld terminal.

The Beidou OEM module adopts the signal transmitting capability with high sensitivity signal capturing capability, stability and high efficiency, realizes the real-time tracking processing of Beidou satellite signals and GPS signals, and simultaneously supports the double positioning functions of Beidou and GPS; the Beidou module is matched with a Beidou center control system security system through a security module to realize an information source security function, and the security level is secret level.

The handheld terminal structure adopts a magnesium-aluminum alloy shell, so that heat dissipation is facilitated; the Beidou navigation machine is reasonably distributed in the Beidou navigation machine, and all heating components are far away from each other so as to realize local heat dissipation of high-heat components; the damping vibration attenuation technology is adopted, and the damping material is adhered to the key part, so that the vibration resistance and the shock resistance of the equipment are improved; the three-proofing material is coated on the circuit main board, and the shell adopts a sealed integrated structural form, so that moisture, salt mist and sand dust are prevented from invading the interior of the handheld terminal.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a big dipper bimodulus handheld terminal that possesses LTE function, includes system assembly and appearance structure, its characterized in that: the system assembly is provided with an integrated circuit board, a processor is arranged on the integrated circuit board, the processor is connected with an input/output interface, an SDRAM (synchronous dynamic random access memory), a FLASH memory, a bus driver, a graphic controller and an Ethernet controller, and the bus driver, the graphic controller and the Ethernet controller are respectively connected with a liquid crystal screen, a touch screen and backlight control through a system bus and a display interface; the input and output interface is provided with a COM1 port, a COM2 port, a COM3 port, two universal serial bus controllers USB, a CF slot, a matrix keyboard, a power module and a function extension module, the COM2 port is connected with a Beidou module, the Beidou module comprises Beidou positioning navigation and GPS positioning navigation, the COM3 port is connected with an LTE function board, the Beidou module and the LTE function board are connected with the power module, the function extension module comprises an audio design, an RS232 serial port design, a charging function design and a TF card function design.

2. The Beidou dual-mode handheld terminal with the LTE function as set forth in claim 1, characterized in that: the Beidou module is provided with an OEM module for realizing Beidou and GPS double positioning, wide power supply and a full shielding design for real-time tracking and processing of Beidou satellite signals and GPS signals.

3. The Beidou dual-mode handheld terminal with the LTE function as set forth in claim 1, characterized in that: the LTE function board is a network communication module, is used for wireless communication and data transmission, and is provided with ESD protection, and is used for anti-electromagnetic interference and electromagnetic compatibility.

4. The Beidou dual-mode handheld terminal with the LTE function as set forth in claim 1, characterized in that: the appearance structure is a magnesium-aluminum alloy shell with a sealed integrated structure, and is provided with a protective coating, electromagnetic compatibility shielding and damping shock absorption.

5. The Beidou dual-mode handheld terminal with the LTE function as set forth in claim 1, characterized in that: the integrated circuit board is provided with a high-brightness liquid crystal screen, and adopts thermal design, filtering and three-proofing design.

6. The Beidou dual-mode handheld terminal with the LTE function as set forth in claim 2, wherein: the antenna of the OEM module is a three-frequency antenna, namely a Beidou and GPS integrated antenna.

7. The Beidou dual-mode handheld terminal with the LTE function as set forth in claim 1, characterized in that: the power supply module is provided with 3.3V and 5V voltages required by a wide voltage conversion core module, so that the system and the LTE function board can normally and stably work; the handheld terminal is internally provided with a 7.4V polymer lithium battery for supplying power.

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