CN203366183U - Handheld portable satellite communication control module - Google Patents

Abstract

From the initial single-chip microcomputer structure to the embedded structure with a special operating system, the utility model aims at increasing the complexity of the requirements of the embedded system. The utility model proposes a hand-held portable satellite communication control module, which includes a CPU Module (1), display module (2), keyboard module (3), power management module (4), battery management module (5), lithium battery module (6), GPS module (7), network module (8), Audio solution/encoder (9), TTL to RS232 serial port module (10), NANDFLASH module (11), DDR synchronous DRAM (12), USB-HOST (13), TF-Socket (14), USB-OTG (15), audio amplifier (16), other external devices (17), memory module (18), power battery management module (19), the utility model supports multiple communication modes, and can be applied to various application scenarios and harsh environments .

Description

A hand-held portable satellite communication control module

technical field

The invention relates to the communication field, in particular to a hand-held portable satellite communication field. the

Background technique

With the rapid development of information technology in recent years, embedded handheld device technology has gained a broad space for development. In order to meet people's various living needs, more and more handheld devices such as GPS, PDAs, smart phones and a series of multifunctional products have penetrated into people's lives. From the initial single-chip microcomputer structure to the current embedded structure with a special operating system, the complexity of the requirements of the embedded system is increasing day by day, and the scale is also gradually expanding. Therefore, how to design a complex embedded system has become a topic that needs to be discussed. important topic. However, the traditional embedded system design method does not have a unified standard, the human factors are seriously affected in the development process, and there is a lack of flexibility and effective contact means in the software and hardware co-design, which makes the embedded system insufficient in terms of efficiency and cost. . Compared with traditional embedded systems, handheld devices have a sharper contrast in terms of power consumption and system performance. the

Contents of the invention

The technology created by the present invention solves the problem: Aiming at the deficiencies of the prior art, a hand-held portable satellite communication control module is provided, which supports multiple communication modes, synchronously supports the latest WIN CE operating system and Android operating system, and can synchronously support WIFI wireless network transmission and Bluetooth transmission. the

Technical scheme created by the present invention:

The present invention consists of 19 small functional components. The whole handheld and portable satellite communication control module includes a CPU module (1), a display module (2), a keyboard module (3), and a power management module ( 4), battery management module (5), lithium battery module (6), GPS module (7), network module (8): 10/100M adaptive Ethernet module + wireless WIFI module, audio solution/encoder (9), TTL to RS232 serial port module (10), NAND FLASH module (11), DDR synchronous DRAM (12), USB-HOST (13), TF-Socket (14), USB-OTG (15), audio amplifier (16) ), other external devices (17), memory module (18), power battery management module (19).

The CPU module (1) described above runs as a central processing unit with a main frequency of up to 806MHz, supports high-efficiency communication instructions, and can achieve high-speed transmission with processors of the same architecture. The CPU module (1) is a main The extension is the wireless MMX multimedia instruction set, which is a 64-bit SIMD instruction set. The SIMD coprocessor is integrated in the CPU module (1). These instruction sets can effectively speed up video, 3D images, audio and Other SIMD legacy element handling.

The display module (2) can be externally connected with a touch screen, preferably an OLED display screen, which has many advantages such as active light emission, wide viewing angle, fast response speed, uniform image quality, stable image and low energy consumption. The OLED is all solid state and has the characteristics of shock resistance and low temperature resistance (- 40 ⁰ C); the keyboard module (3) can be connected with an external input device, supports alphanumeric data input, and is controlled by the keyboard input panel.

The power battery management module (19) is divided into a power management module (4) and a battery management module (5), and an external lithium battery module (6), wherein the battery management module (5) is composed of a single 2A lithium The battery DC-DC charging management module is composed of a Maxim MAX8309 model; the power management module (4) is composed of a high-efficiency power management IC (preferably a Maxim MAX8660 model) and an LDO (low dropout linear regulator); the The lithium battery module (6) adopts a DC power supply mode in the normal mode, and the lithium battery module (6) is used as an optional item. When the handheld terminal system embedded in the handheld portable satellite communication control module starts to run When the power supply voltage first passes through the battery management module (5), of course, when the lithium battery module (6) is not used for power supply, a direct external DC power supply can be used as the input voltage of the power management module (4). Use 3.7V ~ 4.4V DC (direct current) voltage.

 接收器类型为50频道、GPS L1（C/A）；

冷启动时间为：平均26s；

暖启动时间为：平均26s；

热启动时间为：平均1s；

水平精度为：2.5m。 The GPS module (7) is a global positioning system module, and its technical specification is: The chipset preferably adopts the NEO-6 model;

The receiver type is channel 50, GPS L1 (C/A);

The cold start time is: average 26s;

The warm start time is: average 26s;

The hot start time is: average 1s;

Horizontal accuracy: 2.5m.

The network module (8) includes a 10/100M adaptive Ethernet module and a wireless WIFI module; the 10/100M adaptive Ethernet module means that the 100M Ethernet controller supports wired network transmission and is connected to the CPU The module (1) and the hardware device of the network are equivalent to the function of the network adapter (network card) in the PC; the wireless WIFI module supports WIFI wireless network transmission and Bluetooth transmission, and is a module integrating WLAN and Bluetooth 2.1 system level.

The audio solution/encoder (9) supports encoding and decoding audio in audio and video files; the TTL-to-RS232 serial port module (10) refers to the CPU module (1) communicating through a standard serial port An interface for data interaction between the protocol and a PC or satellite communication station; the memory module (18) includes two parts: a NAND FLASH module (11) and a DDR synchronous dynamic random access memory (12), wherein the NAND FLASH is a non-volatile memory And the system files are preset, and the system files run in the DDR synchronous dynamic random access memory (12); the USB interface is divided into USB-HOST (13) and USB-OTG (15), wherein the USB -HOST (13) refers to using the handheld terminal embedded in the handheld portable satellite communication control module as the main device to connect USB mouse and other equipment, and the USB-OTG (15) refers to the above-mentioned The handheld terminal embedded in the handheld portable satellite control communication control module is used as a storage device similar to a U disk; the TF-Socket (14) refers to a slot for placing a TF card, and the function of the TF card is to Applications and software programs that need to be burned.

The audio amplifier (16) is a part that exists independently in the entire handheld portable satellite communication control module, and will not generate signal interaction with other functional components in the handheld portable satellite communication control module. The audio amplifier (16) is specifically connected with the other external devices (17), and the function is that when the handheld portable satellite communication control module has an audio signal input, it can amplify the audio signal and then output it to the other external devices. equipment (17).

Beneficial effects of the present invention:

The invention is a hand-held portable satellite communication control module designed for use in special environments. It supports multiple communication modes through external synchronous application of hand-held terminal equipment, and can be applied to various application scenarios and harsh environments; the invention creates The external synchronous application handheld terminal device adopts a reinforced waterproof all-magnesium-aluminum alloy casing, and uses a high-strength glass panel to effectively protect the display screen, which has excellent shock resistance and drop resistance;

The main frequency of the CUP module created by the present invention can reach 806MHz, supports high-efficiency communication instructions, can achieve high-speed transmission with processors of the same architecture, can effectively speed up the processing of video, 3D images, audio and other traditional SIMD elements, and can support WIN CE /Android operating system;

The display module created by the invention can be connected to an external OLED display screen, which has multiple advantages such as active light emission, wide viewing angle, fast response speed, uniform image quality, stable image and low energy consumption. Low temperature and other characteristics (- 40 ⁰ C).

Description of drawings:

    Fig. 1 is the structural diagram of functional components created by the present invention;

Figure 2 is a schematic diagram of the creation and operation process of the present invention;

The functional components in Figure 1 are: 1—CUP processor; 2—display module; 3—keyboard module; 4—power management module; 5—battery management module; 6—lithium battery; 7—GPS module; 8—network Module: 10/100M adaptive Ethernet module + wireless WIFI module; 9—audio solution/encoder; 10—TTL to RS232 serial port module; 11—NAND FLASH module; 12—DDR synchronous dynamic random access memory; 13—USB-HOST; 14—TF-Socket; 15—USB-OTG; 16—audio amplifier; 17—other external devices; 18—memory module; 19—power battery management module;

Detailed ways:

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

As shown in Figure 2, it is a schematic diagram of the operation process of the whole handheld portable satellite communication control module: the operation steps of the whole handheld portable satellite communication control module are divided into:

：检测所述的手持便携卫星通信控制模块的线路是否连接正确，TF卡是否已经放在所述的TF-Socket（14）的卡槽中，TF卡是否有需要的应用程序并且应用程序设置为自动运行，如果线路连接正确并且TF卡所有设置正常，则所述的电源电池管理模块（19）开始对手持便携卫星通信控制模块进行加电； step

: Detect whether the line of the hand-held portable satellite communication control module is connected correctly, whether the TF card has been placed in the card slot of the TF-Socket (14), whether the TF card has the required application program and the application program is set to Automatic operation, if the line connection is correct and all settings of the TF card are normal, then the power battery management module (19) starts to power up the hand-held portable satellite communication control module;

：线路自检程序完成后，需要对整个所述的手持便携卫星通信控制模块加电，用配套的通信站或者直流电源给其供电，稳压范围为：4.5～5V(DC :直流)；当进行加电时，供电首先经过所述的锂电池模块（6），在未使用所述的锂电池模块（6）的情况下，该模块只需要使电压稳定在3.7～4.4 V即可 ； step

: After the line self-inspection program is completed, it is necessary to power up the entire handheld portable satellite communication control module, and to supply power to it with a supporting communication station or a DC power supply, and the voltage stabilization range is: 4.5～5V (DC: direct current); when When powering on, the power supply first passes through the lithium battery module (6), and when the lithium battery module (6) is not used, the module only needs to stabilize the voltage at 3.7-4.4 V;

Vsys is used as the input voltage of the power management module (4). After the module works normally, it will output voltages: VCC_IO, VCC_MEN, VCC_APPS, VCC_MVT_BG, VCC_SRAM. These voltages are responsible for the work of the CUP and other modules; the VCC_IO: voltage strength 3.3V, for the CPU module (1), the audio solution/encoder (9), the network module (8), the GPS module (7), the display module ( 2), the TTL to RS232 serial port module (10), and the TF-Socket (14) supply power; the VCC_MEN: the voltage strength is 1.8V, which supplies power for the CPU module (1); the The VCC_APPS: the voltage strength is 1.4V, which supplies power to the CPU module (1); the VCC_MVT_BG: the voltage strength is 1.8V, which supplies power to the CPU module (1); the VCC_SRAM: The voltage strength is 1.4V, which supplies power for the CPU module (1);

：在所述的电源管理模块（4）正常工作后，所述的显示模块（2）外接的OLED显示屏会被点亮，所述的CPU模块（1）同时开始加载系统文件，等待大概30s左右OLED显示屏跳转进入 CE系统的桌面，其中所述的CE系统文件预置在所述的NAND FLASH模块（11）中，由所述的CPU模块（1）进行调度在在所述的DDR同步动态随机存储器（12）中运行，所述的手持便携卫星通信控制模块加电成功后所述的CPU模块（1）就开始调用CE系统文件，至此，整个所述的手持便携卫星通信控制模块所嵌入式应用的系统启动完成； step

: After the power management module (4) works normally, the external OLED display of the display module (2) will be lit, and the CPU module (1) will start loading system files at the same time, and wait for about 30s The left and right OLED display screens jump to the desktop of the CE system, wherein the CE system files are preset in the NAND FLASH module (11), and are scheduled by the CPU module (1) in the DDR Synchronous DRAM (12), the CPU module (1) starts to call the CE system file after the hand-held portable satellite communication control module is powered on successfully, so far, the entire hand-held portable satellite communication control module The system startup of the embedded application is completed;

：整个所述的手持便携卫星通信控制模块所嵌入式应用的系统启动完成后，TF卡中的应用程序自动启动，在应用程序启动时，所述的手持便携卫星通信控制模块会通过所述的TTL转RS232串口模块（10）与其配套的通信站之间进行基于标准串口通信协议的数据交互，收到通信站返回的正确数据后，应用程序完成启动。 step

: After the system startup of the embedded application of the whole described handheld portable satellite communication control module is completed, the application program in the TF card starts automatically, and when the application program starts, the described handheld portable satellite communication control module will pass the described The TTL-to-RS232 serial port module (10) and its matching communication station perform data interaction based on the standard serial port communication protocol. After receiving the correct data returned by the communication station, the application program is started.

：加载运行应用选择项： step

: load run application option:

Find the option to send information in the application, and you can carry out two-way text communication between multiple devices. Input the content to be sent through the keyboard connected to the keyboard module (3) and press the confirmation button to send, and other devices can receive the corresponding message. text message;

Find the voice call option in the application, enter the number of the device that needs to make a voice call through the keyboard connected to the keyboard module (3), press the confirmation key to dial, and select answer on the called device to perform two-way voice communication;

Find the location service option in the application, find the location service icon on the OLED display connected to the display module (2), click the confirmation button, enter the GPS positioning interface, click the button corresponding to the search, and wait for a while About 25s or so (the first positioning time will be slightly longer after power-on, about 40s or so), and the current location can be given, expressed by latitude and longitude;

Find the network function option in the application program, and find the corresponding regional network through the network module (8); the 10/100M adaptive Ethernet module provides wired network connection, in the handheld portable satellite communication control module The role played is the function of the network card in the PC. The handheld terminals embedded in the multiple handheld portable satellite communication control modules can be connected to all handheld terminals connected to the unified network under the same network through the module. Amount can carry out data interaction and communication through this module; the wireless WIFI module supports WIFI wireless network and Bluetooth transmission, and is a module of WLAN and Bluetooth system level integration;

：在步骤～

进行状态中或者完成时，所述的CPU模块（1）作为所述的手持便携卫星通信控制模块所嵌入式应用的手持终端的处理器会与大部分模块通过IO口（即与外部通信端口交互信息的端口 in/out）进行数据交互，例如：开机过程中会与所述的内存模块（18）进行数据交互；启动TF卡中的应用程序时所述的CPU模块（1）会与所述的TF-Socket（14）以及所述的TTL转RS232串口模块（10）进行数据交互；在需要使用USB主或从功能时所述的CPU模块（1）会与所述的USB-HOST（13）、USB-OTG（15） 进行数据交互；在定位时所述的CPU模块（1）会与所述的GPS模块（7）进行数据交互；而由始至终，所述的CPU模块（1）起到的是在所有模块功能中的协调调度功能，其能 支持WIN CE6.0/7.0、Android 2.2的操作系统； step

: in step ~

In progress or when it is completed, the CPU module (1) as the processor of the handheld terminal embedded in the handheld portable satellite communication control module will interact with most modules through the IO port (that is, interact with the external communication port information port in/out) for data interaction, for example: data interaction will be performed with the memory module (18) during startup; the CPU module (1) will communicate with the TF-Socket (14) and the TTL-to-RS232 serial port module (10) for data interaction; the CPU module (1) will communicate with the USB-HOST (13) when the USB master or slave function needs to be used ), USB-OTG (15) for data interaction; during positioning, the CPU module (1) will perform data interaction with the GPS module (7); and from the beginning to the end, the CPU module (1) ) plays the role of coordination and scheduling function in all module functions, which can support WIN CE6.0/7.0, Android 2.2 operating system;

：在在步骤

～

进行状态中或者完成时，为了降低所述的CPU模块（1）作为所述的手持便携卫星通信控制模块所嵌入式应用的手持终端的功耗，所述的GPS模块（7）、所述的网络模块（8）在不使用的情况下处于断电不工作的状态，如果用户需要用到这两个模块，需要向所述的CPU模块（1）发送请求指令（即在应用程序中选择 查找位置功能和网络连接功能），所述的CPU模块（1）接收到请求指令后，通过IO口控制电源管理模块中LDO（低压差线性稳压器）工作，LDO工作后会恢复所述的GPS模块（7）、所述的网络模块（8）的供电状态，则其即可开始正常工作。 step

: in step

~

In progress or completion, in order to reduce the power consumption of the CPU module (1) as a hand-held terminal embedded in the hand-held portable satellite communication control module, the GPS module (7), the The network module (8) is in a power-off and non-working state when it is not in use. If the user needs to use these two modules, he needs to send a request command to the CPU module (1) (that is, select the search in the application program) location function and network connection function), after the CPU module (1) receives the request command, it controls the LDO (low dropout linear regulator) in the power management module to work through the IO port, and the GPS will be restored after the LDO works module (7) and the power supply status of the network module (8), then they can start to work normally.

The above is only the preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (2)

1. a hand-portable satellite communication control module, comprise CPU module (1), described CPU module (1) and display module (2), Keysheet module (3), power management module (4), battery management module (5), lithium battery module (6), GPS module (7), mixed-media network modules mixed-media (8), audio frequency solution/scrambler (9), TTL RS 232 serial port module (10), NAND FLASH module (11), DDR synchronous DRAM (12), USB-HOST(13), TF-Socket(14), USB-OTG(15), note amplifier (16), other external equipments (17), memory modules (18), power-supply battery administration module (19) is controlled and is called and connect by the IO mouth respectively.

2. a kind of hand-portable satellite communication control module according to claim 1, is characterized in that described CPU module (1) dominant frequency can reach 806MHz; Described CPU module (1), by described TTL RS 232 serial port module (10), utilizes standard serial port communication protocol and PC or satellite communication station to carry out data interaction; The inner integrated wireless MMX of described CPU module (1) multimedia instruction set, described wireless MMX is the SIMD instruction set of a kind of 64.

3.a kind of hand-portable satellite communication control module according to claim 1, it is characterized in that the preferred external OLED display screen of described display module (2), described OLED display screen be all solid state, antidetonation is swung, low temperature resistant, and minimum low temperature resistant degree reaches subzero 40 degrees centigrade.

4.a kind of hand-portable satellite communication control module according to claim 1, is characterized in that described power-supply battery administration module (19) is divided into power management module (4) and battery management module (5), simultaneously external lithium battery module (6); Wherein said battery management module (5) is comprised of single-unit 2A lithium battery DC-DC charge management module, preferably adopts U.S. letter MAX8309 model; Wherein said power management module (4) is by efficient power Management IC (preferably adopting U.S. letter MAX8660 model) and LDO(low pressure difference linear voltage regulator) form; Wherein said lithium battery module (6) adopts the direct current supply mode in normal mode, simultaneously described lithium battery module (6) but as options, use, when the hand terminal system of the embedded formula application of whole hand-portable satellite communication control module brings into operation, at first supply voltage passes through battery management module (5), certainly in the situation that do not use lithium battery module (6) power supply, can adopt direct external direct current power supply, as the input voltage of described power management module (4), preferably adopt 3.7V～4.4V DC(direct current) voltage.

5.according to claim 1 and 4 described a kind of hand-portable satellite communication control modules, it is characterized in that the input voltage of the Vsys of described battery management module (5) output generation as power management module (4), meeting output voltage: VCC_IO, VCC_MEN, VCC_APPS, VCC_MVT_BG, VCC_SRAM after described battery management module (5) normal operation; Described VCC_IO: voltage strength is 3.3V, is described CPU module (1), described audio frequency solution/scrambler (9), described mixed-media network modules mixed-media (8), described GPS module (7), described display module (2), described TTL RS 232 serial port module (10), described TF-Socket(14) power supply; Described VCC_MEN: voltage strength is 1.8V, is described CPU module (1) power supply; Described VCC_APPS: voltage strength is 1.4V, is described CPU module (1) power supply; Described VCC_MVT_BG: voltage strength is 1.8V, is described CPU module (1) power supply; Described VCC_SRAM: voltage strength is 1.4V, is described CPU module (1) power supply.

6.a kind of hand-portable satellite communication control module according to claim 1, is characterized in that described GPS module (7) is GPS module, and its technical specification is:

chipset preferably adopts the NEO-6 model;

receiver types is 50 channels, GPS L1(C/A); the cold start-up time is: average 26s;

be warm start-up time: average 26s;

the warm start time is: average 1s; horizontal accuracy is: 2.5m.

7.a kind of hand-portable satellite communication control module according to claim 1, is characterized in that described mixed-media network modules mixed-media (8) comprises 10/100M self-adaptation Ethernet module and wireless WIFI module; Described 10/100M self-adaptation Ethernet module refers to the transmission of 100 m ethernet controller support cable network, is the hardware device that connects described CPU module (1) and network, is equivalent to the function of the network adapter (network interface card) in PC; Described wireless WIFI module is supported WIFI wireless network transmissions and Bluetooth transmission, is the module of WLAN and bluetooth 2.1 system-level integration.

8.a kind of hand-portable satellite communication control module according to claim 1, it is characterized in that described memory modules (18) comprises NAND FLASH module (11) and (12) two parts of DDR synchronous DRAM, wherein said NAND FLASH is non-volatile internal memory and preset system file, and described system file moves in described DDR synchronous DRAM (12).

9.a kind of hand-portable satellite communication control module according to claim 1, is characterized in that described USB-HOST(13) refer to the handheld terminal of the embedded formula application of described a kind of hand-portable satellite communication control module is used to the USB main interface with equipment such as circumscribed USB mouses as main equipment; Described USB-OTG(15) refer to that the USB of the memory device use using the handheld terminal of the embedded formula application of described hand-portable satellite communication control module as similar USB flash disk type is from interface.

10.a kind of hand-portable satellite communication control module according to claim 1, it is characterized in that described note amplifier (16) is a self-existent part in described a kind of hand-portable satellite communication control module, not can with described a kind of hand-portable satellite communication control module in other functional parts to produce signals mutual, described note amplifier (16) specifically is connected with described other external equipments (17), after described hand-portable satellite communication control module has the sound signal input, export to again described other external equipments (17) after can amplifying sound signal.

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