CN202261798U - Hand-held terminal - Google Patents

Hand-held terminal Download PDF

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Publication number
CN202261798U
CN202261798U CN201120051067XU CN201120051067U CN202261798U CN 202261798 U CN202261798 U CN 202261798U CN 201120051067X U CN201120051067X U CN 201120051067XU CN 201120051067 U CN201120051067 U CN 201120051067U CN 202261798 U CN202261798 U CN 202261798U
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China
Prior art keywords
module
locating
handheld terminal
locating information
chip
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Expired - Lifetime
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CN201120051067XU
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Chinese (zh)
Inventor
邓中亮
徐连明
毕乾
刘晨
张红星
肖冠兰
朱宇佳
刘文龙
盛庆
王珂
方灵
孙子砚
史丹丹
裘昕
李欣欣
马志远
崔艳雯
李涛
薛广普
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BEIJING ZHIHUITU TECHNOLOGY DEVELOPMENT Co Ltd
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BEIJING ZHIHUITU TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN201120051067XU priority Critical patent/CN202261798U/en
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Publication of CN202261798U publication Critical patent/CN202261798U/en
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Abstract

The utility model discloses a hand-held terminal, which belongs to the technology field of an internet of things. The hand-held terminal includes a processor core module and a positioning module. The processor core module is used for processing and caching the positioning information sent by the positioning module, and sending the cached processed positioning information to the positioning; and the positioning module at least includes a 86W8688 chip and a CC2430 chip, and is used for generating positioning information according to a WLAN network and a ZigBee network and/or a GPS network, sending the positioning information to the processor core module, and sending the received processed positioning information to a monitor center through the WLAN network and/or the ZigBee network. In the utility model, the WLAN network and the ZigBee network are provided in the hand-held terminal, the indoor positioning information of the hand-held terminal is obtained through the WLAN network and the ZigBee network, and the positioning accuracy of the hand-held terminal is enhanced.

Description

A kind of handheld terminal
Technical field
The utility model relates to the technology of Internet of things field, particularly a kind of handheld terminal and navigation system.
Background technology
Handheld terminal is through network collection outer signal, physical condition or chemical composition, and agreement according to a preconcerted arrangement is connected any object with the Internet, carries out information exchange and communicates by letter, to realize intellectuality identification, location, tracking, monitoring and the management to object.The collectable information of handheld terminal comprises: brightness, temperature, humidity, smog, pressure, position, gas flow, gas, liquid level etc., it is widely used in location navigation, monitoring early-warning system.
Existing handheld terminal generates locating information through communicating by letter between GPS network (Globe Position System, Global Navigation System) and the satellite, and handheld terminal is controlled in real time according to locating information by Surveillance center.
In the process that realizes the utility model; The inventor finds that there is following problem at least in prior art: existing handheld terminal only relies on the GPS network and realizes the location, and locate mode is more single, when being positioned at indoor environment as if handheld terminal; Because the GPS network is extremely unstable, can not accurately locate.
Summary of the invention
When solving the indoor use handheld terminal of large complicated building, the technical problem that only can not accurately locate through the GPS network, the utility model embodiment provides a kind of handheld terminal, comprises processor core core module and locating module;
Said processor core core module be used for the locating information that said locating module sends is handled and buffer memory, and the locating information after will handling sends to said locating module;
Said locating module comprises 86W8688 chip and CC2430 chip at least; Be used for according to wlan network and ZigBee network and/or GPS network generation locating information; Said locating information is sent to the processor core core module, and the locating information after the said processing that will receive sends to Surveillance center through wlan network and/or ZigBee network.
Particularly, said locating module specifically comprises WLAN positioning unit and WSN positioning unit and/or GPS network;
Said WLAN positioning unit adopts the 86W8688 chip; Be used for being in when indoor when handheld terminal; Adopt the compatible wlan network of said 86W8688 chip to obtain handheld terminal and be positioned at indoor locating information; Said locating information is sent to said central processor unit through Peripheral Interface, and the locating information after the said central processor unit processing is sent to Surveillance center through wlan network;
Said WSN positioning unit adopts CC2430 chip and microstrip balun circuit; Be used for being positioned at indoor and WLAN positioning unit can't locate the time when handheld terminal; Adopt the ZigBee network of said CC2430 chip support to obtain handheld terminal and be positioned at indoor locating information; Said locating information is sent to said central processor unit through said microstrip balun circuit, and the locating information after the said central processor unit processing is sent to Surveillance center through the ZigBee network;
Said GPS positioning unit adopts GPS-G502 dash receiver and NEO-6M chip; Be used for being in outdoor and during the indoor GPS overlay area when handheld terminal; Obtain the locating information of handheld terminal; Said locating information is sent to central processor unit through first serial, and the locating information after the said central processor unit processing is sent to Surveillance center through wlan network and/or ZigBee network.
Particularly, the CC2430 chip in the said WSN positioning unit specifically comprises the filter circuit that is connected in series, chip crystal oscillating circuit and reset circuit.
Particularly, said WSN positioning unit also comprises a plurality of transducers and prewarning unit,
Said transducer is used to gather indoor environmental information, and said environmental information is sent to said prewarning unit, and said environmental information comprises temperature information, humidity information and brightness information at least;
Said prewarning unit produces early warning signal according to said environmental information and preset threshold value of warning, so that Surveillance center carries out command adapted thereto according to this early warning signal.
Further, said processor core core module specifically comprises central processor unit and memory cell,
Said central processor unit is used for the locating information that said locating module sends is handled, and the locating information after handling is cached to said memory cell, and the locating information after will handling sends to said locating module;
Said memory cell is used for the locating information after the said central processor unit of buffer memory is handled.
Further, said terminal also comprises power management module, and said power management module comprises external power source administrative unit, communication power supply administrative unit, voicefrequency circuit PMU, backlight drive PMU and charge power supply administrative unit at least;
Said external power source administrative unit is used for said central processor unit is supplied power;
Said communication power supply administrative unit is used for locating module is supplied power;
Said voicefrequency circuit PMU is used for the audio frequency apparatus of handheld terminal is supplied power;
Said backlight drive PMU is used for outside display module is supplied power;
Said charge power supply administrative unit is used for handheld terminal is charged.
Further, said terminal also comprises input/output interface, and said input/output interface specifically comprises USB interface, display device control interface and audio frequency input/output interface;
Said USB interface is used to connect ancillary equipment;
Said display device control interface is used to connect outside display module;
Said audio frequency input/output interface is used to connect audio frequency apparatus.
Further, said terminal also comprises outside display module, is connected with said locating module, and said outside display module is used to show the early warning information of locating module transmission and the navigation information that Surveillance center sends.
Present embodiment also provides a kind of navigation system of using like above-mentioned handheld terminal, and said navigation system comprises handheld terminal, also comprises:
Surveillance center is used for the preset electronic databank of navigating, and sends navigation information according to the locating information that receives to handheld terminal.
Further, said navigation system specifically comprises several through the handheld terminal that the ZigBee network connects, and said handheld terminal also is used for sending early warning signal to other handheld terminals and/or Surveillance center;
Said Surveillance center also is used to receive the early warning signal that handheld terminal sends, and carries out command adapted thereto according to said early warning signal.
The beneficial effect that the technical scheme that present embodiment provides is brought is: through wlan network and ZigBee network are set in handheld terminal; Be positioned at when indoor at handheld terminal; Can generate locating information according to wlan network and ZigBee network; So that Surveillance center obtains the personnel's that hold handheld terminal positional information according to this locating information; For existing handheld terminal, the utility model provides the handheld terminal of the location navigation monitoring that not can be used for large complicated building interior on the market, and handheld terminal is positioned through wlan network and ZigBee network; Realize the accurate location of handheld terminal, and improved the accuracy of handheld terminal location.
Description of drawings
Fig. 1 is the structural representation of the handheld terminal that provides in the present embodiment 1;
Fig. 2 is the structural representation of the handheld terminal that provides in the present embodiment 2;
Fig. 3 is the structural representation of the navigation system that provides in the present embodiment 3.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model execution mode is done to describe in detail further below.
Embodiment 1
Referring to Fig. 1, the utility model provides a kind of handheld terminal, comprises processor core core module and locating module;
Processor core core module 101 is used for the locating information that locating module collects is handled, and the locating information after handling is carried out buffer memory, and the locating information after will handling sends to locating module 102;
Locating module 102 comprises 86W8688 chip and CC2430 chip at least; Be used for according to wlan network and ZigBee network and/or GPS network generation locating information; Said locating information is sent to the processor core core module, and the locating information after the said processing that will receive sends to Surveillance center through wlan network and/or ZigBee network.
The handheld terminal that present embodiment provides; Through wlan network and ZigBee network are set in handheld terminal, be positioned at when indoor at handheld terminal, can generate locating information according to wlan network and ZigBee network; So that Surveillance center obtains the personnel's that hold handheld terminal positional information according to this locating information; For existing handheld terminal, the utility model provides the handheld terminal of the location navigation monitoring that not can be used for large complicated building interior on the market, and handheld terminal is positioned through wlan network and ZigBee network; Realize the accurate location of handheld terminal, and improved the accuracy of handheld terminal location.
Embodiment 2
Referring to Fig. 2, the utility model provides a kind of handheld terminal, specifically comprises processor core core module 201, locating module 202, power management module 203, input/output interface 204 and outside display module 205,
Particularly, processor core core module 201 is used for the locating information that locating module 202 sends is handled, and the locating information after handling is carried out buffer memory, and the environmental information after will handling sends to locating module 202; This processor core core module 201 specifically comprises central processor unit 2011 and memory cell 2012.
Wherein, central processor unit 2011 is used for the locating information that locating module 202 sends is handled; Locating information after handling is sent to memory cell 2012 carry out buffer memory; Present embodiment adopts the S3C6410 chip in central processor unit, this chips incorporate powerful ARM1176 processor core handle hardware with advanced multimedia, clock pulse speed is up to 800MHz; Comprise four ADC (Analog-to-Digital Converter, A/D converter).
Memory cell 2012 is used for the locating information after buffer memory central processor unit 2011 is handled, and the locating information after the processing of buffer memory is sent to locating module 202; Wherein, This memory cell 2012 specifically comprises Installed System Memory (SDRAM; Synchronous Dynamic Random Access Memory) and fast flash memory bank (Nand FLASH); Installed System Memory is used to store the locating information after central processor unit is handled, and present embodiment is at two K4X51163PC chips of the concrete employing of Installed System Memory, and its capacity reaches 128M Bytes; Fast flash memory bank is used for the locating information that the buffer memory locating module generates, and present embodiment specifically adopts the K9F2G08 chip at fast flash memory bank, and its capacity reaches the 256M byte.
Locating module 202; Be used for according to wlan network and ZigBee network and/or GPS network generation locating information; This locating information is sent to processor core core module 201, and the locating information after the processing that will receive sends to Surveillance center through wlan network and/or ZigBee network.
Particularly; Locating module 202 adopts different wireless networks to position, and through wlan network and ZigBee network this locating information is sent to Surveillance center, specifically comprises GPS positioning unit 2021; WLAN positioning unit 2022, WSN positioning unit 2023 and bar code unit 2024.
Wherein, GPS positioning unit 2021 is connected through first serial with central processor unit in the processor core core module 201 2011; Adopt the GPS-G502 dash receiver; Module is a core with the NEO-6M chip of U-blox company, and GPS-G502 is a super low-power consumption, supersensitive GPS dash receiver, the passive antenna of built-in 25X25mm; Its overall dimensions are very little, have only 26X26mm.Adopt the power supply of 3.3V power supply, provide the accurate TTL standard serial port of a road sign to link to each other with mainboard.The GPS positioning unit is used for being in outdoor and during the indoor GPS overlay area when handheld terminal; Adopt GPS communication mode and satellite to communicate; To obtain the locating information of handheld terminal; This locating information is sent to central processor unit 2011 through first serial, and the locating information after central processor unit 2011 processing is sent to Surveillance center through wlan network or ZigBee network.
WLAN positioning unit 2022; Pass through SIDO interface (Secure Digital Input and Output with the CPU 2011 in the processor core core module 201; The Peripheral Interface of SD standard) connects; Be used for being in when indoor, adopt wlan network and terminal to communicate, be positioned at indoor locating information to obtain handheld terminal when handheld terminal; This locating information is sent to central processor unit 2011 through the SIDO interface, and the locating information after central processor unit 2011 processing is sent to Surveillance center through wlan network; Particularly; Present embodiment adopts WIFI (wireless fidelity in the WLAN positioning unit; Wireless network) module; Can adopt the 86W8688 chip is the WM-G-MR-09 module of core, and this WM-G-MR-09 module adopts the power supply of 3.3V power supply, has characteristics such as high-performance, low price, low-power consumption, volume are little, customizable interface; Its high compatibility can be connected with 11b, 11g wireless device fast, easily; Through auto-adaptive parameter propagation and anti-interference localization method, accomplish based on the wireless sensor network of RSSI (Received Signal Strength Indicator receives the intensity indication of signal) and locate apart from difference based on wlan network.
WSN positioning unit 2023; Be connected through the microstrip balun circuit with the central processor unit 2011 in the processor core core module 201; Be used for being positioned at indoor and WLAN positioning unit can't locate the time when handheld terminal; Adopt ZigBee network and terminal to communicate; Be positioned at indoor locating information to obtain handheld terminal, this locating information is sent to central processor unit 2011 through the microstrip balun circuit, and the locating information after central processor unit 2011 processing is sent to Surveillance center through the WSN network.The processor module of the WSN positioning unit in the present embodiment adopts the CC2430 chip of TI company; This chip is the SOC(system on a chip) that is used for realizing embedded ZigBee application that TI company releases; This chip supports 2.4GHz IEEE 802.15.4/ZigBee agreement should and to satisfy to low cost the requirement of low-power consumption.This chip comprises a filter circuit that is connected in series, a chip crystal oscillating circuit and a reset circuit.This WSN positioning unit adopts the microstrip balun circuit to communicate, and promptly adopts balance-non-equilibrium change-over circuit to accomplish dual-port and builds monopole antenna to the conversion of single port.
In addition, WSN positioning unit 2023 also comprises plurality of sensors and prewarning unit, and wherein, transducer is used to gather indoor environmental information, and said environmental information comprises temperature information, humidity information and brightness information at least; Prewarning unit; Be used for preset threshold value of warning, and, judge that whether the environmental information of obtaining is greater than threshold value according to preset threshold value of warning; If greater than threshold value; Then can produce early warning signal, and this early warning signal is sent to Surveillance center or other handheld terminals through the ZigBee network, so that Surveillance center or other handheld terminals are carried out command adapted thereto according to this early warning signal.
Particularly, present embodiment adopts the CC2430 radio frequency chip in the WSN positioning unit, based on the auto-adaptive parameter propagation and the anti-interference localization method of ZigBee network, accomplishes and locatees apart from difference based on the wireless sensor network of RSSI.Present embodiment is through being provided with the WSN positioning unit in locating module; The precision and the efficient of indoor positioning have been improved; Further, because the communication protocol that this WSN positioning unit adopts is low in energy consumption, can realize the location through a plurality of WSN positioning units are set; For example can the WSN positioning unit be set, realize positioning function each equipment of large complicated building interior to each equipment of large complicated building interior.
Bar code unit 2024 is connected through the 3rd serial ports with central processor unit 211 in the processor core core module 201, is used to store bar code, and obtains facility information according to this bar code.
Particularly, the bar code of these bar code unit 2024 storing device informations is in the practical application; In Surveillance center, preset the corresponding relation of bar code and facility information according to different needs; Facility information can be venue information, ticket information etc., thereby when the user uses this handheld terminal, can obtain bar code through scanning this bar code unit; Get access to this bar code corresponding equipment information, realize the asset management of large complicated venue and the ticket checking service of venue.
Owing to be provided with GPS positioning unit, WLAN location and WSN positioning unit in the locating module, handheld terminal is positioned at when outdoor, can generate locating information according to the GPS network; And be positioned at when indoor; Can generate locating information according to wlan network and ZigBee network; Thereby the above-mentioned locating information that Surveillance center is generated according to locating module is obtained the personnel's that hold handheld terminal positional information; For existing handheld terminal, the utility model provides the handheld terminal of the location navigation monitoring that not can be used for large complicated building interior on the market, and realized handheld terminal outdoor to indoor seamless positioning function.
Power management module 203; Be used for processor core core module 101 and locating module 102 are supplied power; At least comprise external power source administrative unit 2031, communication power supply administrative unit 2032, voicefrequency circuit PMU 2033, backlight drive PMU 2034 and charge power supply administrative unit 2035;
Wherein, external power source administrative unit 2031 is used for central processor unit is supplied power, and provides this central processor unit required outer power voltage; Particularly, can adopt the TPS650243 power management chip that central processor unit is supplied power, present embodiment is not done qualification to the concrete chip that outside PMU adopts; In the practical application; The TPS650243 power management chip be can adopt, 3 DC-DC translation circuits and 3 LDO (Low Dropout Regulator, low-dropout regulator) circuit comprised; Can core voltage be provided to central processor unit, the power supply of power supplys such as input/output voltage and internal memory phase-locked loop.
Communication power supply administrative unit 2032 is used for locating module is supplied power, and in the practical application, present embodiment is not done qualification to the concrete chip that the communication power supply administrative unit adopts; Can adopt the TPS65051 power management chip; At least comprise 4 tunnel adjustable outputs, the output area of every road voltage is 0.6～6V, is used to adopt 4 tunnel completion GPS positioning units wherein; The WLAN positioning unit, the required supply voltage of WSN positioning unit and bar code unit.
Voicefrequency circuit PMU 2033 is through carrying out handling at a distance from coupling to analog power and digital power; Be used for the audio frequency apparatus of handheld terminal is supplied power; In the practical application, present embodiment does not limit the concrete chip that the voicefrequency circuit PMU adopts, and can adopt the TPS650243 power management chip; This chip carries out supplying audio frequency apparatus to use after magnetic bead isolates to the digital circuit of the analog circuit of 3.3V and 3.3V.
Backlight drive PMU 2034; Be used for outside display module is supplied power, the outside display module of present embodiment adopts LCD (Liquid crystal display, LCDs) display screen; Present embodiment does not limit the concrete chip that the backlight drive PMU adopts; Can adopt the SM8121AH power management chip, this chip can constant-current driving 2-6 white LCD lamp high-frequency high efficiency be changed, and the maximum voltage of its output reaches 25V; The voltage of LCD display is generally below 18V; Thereby this backlight drive PMU utilizes the PWM (Pulse Width Modulation, pulse width modulation) of central processor unit, realizes the brightness regulation to LCD display.
Charge power supply administrative unit 2035; Be used for handheld terminal is charged, this charge power supply administrative unit can be given lithium cell charging through USB or external adapter power supply, and present embodiment does not limit the concrete chip that the charge power supply administrative unit adopts; Can adopt the BQ24022 chip is the lithium cell charging power management chip of core; This chip has DPPM (dynamic power-path management, dynamic power supplies path management), thereby is implemented in handheld terminal when work; Also can charge to battery simultaneously, avoid problems such as charging termination.
Input/output interface 204 is used to connect ancillary equipment, and this input/output interface specifically comprises following one or more interfaces: USB interface, display device control interface, audio frequency input/output interface and debugging interface;
Particularly; USB OTG interface (USB On-The-Go is to the useful expansion of USB 2.0 standards) is mainly used in the connection between various equipment or the mobile device; Carry out exchanges data; This USB OTG interface can make handheld terminal link together through plain mode and ancillary equipment, and this USB OTG is a prior art, and present embodiment repeats no more to this.
The display device control interface is used to connect outside display module, and like LCD display etc., present embodiment does not limit the standard of display device control interface.
The audio frequency input/output interface is used to connect audio frequency apparatus, and present embodiment does not limit the audio frequency input/output interface; Can adopt 3.5 audio frequency input/output interfaces, or IIC interface (Inter-Integrated Circuit, bidirectional linked list data bus interface); The audio frequency input/output interface that present embodiment adopts is the IIC interface; The audio frequency apparatus that connects is a WM9713L audio coding decoding chip, and this WM9713L audio coding decoding chip has extremely low power consumption, can directly connect one 4 line or 5 line touch-screens, monophony or stereophony microphone, stereophone and boombox; Thereby reduced the connection number of outer audio equipment; This WM9713L audio coding decoding chip can be connected with the no electric capacity of earphone, loud speaker and receiver, thereby can save cost, reduces PCB (Printed circuit board; Printed circuit board (PCB)) wiring area; This WM9713L audio coding decoding chip also provides a plurality of analog inputs and output pin, simulates with locating module to be connected seamless integrating.
Debugging interface is used for handheld terminal is upgraded and maintenance; This interface is a preferable interface; Owing to handheld terminal is carried out miniaturization Design in the present embodiment, debugging interface is integrated in cost on the mainboard of handheld terminal than higher, thereby in the input/output interface of this handheld terminal, debugging interface is set; Be used for externally handheld terminal being carried out debugging work; As can perhaps, perhaps download the WSN program through this debugging interface to central processor unit debugging kernel and down operation system image file through this debugging interface through the output information of this debugging interface debugging handheld terminal.
Further, present embodiment also comprises outside display module 205, is connected with locating module 202, power management module 203 and input/output interface 204, is used to show the early warning signal of locating module transmission and the navigation information that Surveillance center returns.
Wherein, when the WSN positioning unit in the locating module monitors early warning signal, can send early warning sound or brightness prompting; Also can this early warning signal be sent to outside display module and show, the LCD display that present embodiment adopts is TFT LCD AT043TN24, and this LCD display is 4.3 inches; Resolution is 480x272; Operating voltage is 1.7～3.3V, and the display device control interface is through control input pin (XP, XM; YP and YM) obtain the X coordinate and the Y coordinate of outside display module; The four-wire ohm of this LCD interface is directly connected to four ADC of central processor unit (like the S3C6410 processor), adopts SPI interface (Serial peripheral interface, Serial Peripheral Interface) and central processor unit (like the S3C6410 processor) to communicate.
The handheld terminal that present embodiment provides through wlan network and ZigBee network are set in handheld terminal, thereby moves to when indoor handheld terminal; Can generate locating information according to wlan network and ZigBee network; And this locating information sent to Surveillance center, to realize the control of Surveillance center, for existing handheld terminal to handheld terminal; The utility model provides the handheld terminal of the location navigation monitoring that not can be used for large complicated building interior on the market; And through wlan network and ZigBee network handheld terminal is positioned, realized the accurate location of handheld terminal, and improved the accuracy of handheld terminal location; The positioning accuracy of the handheld terminal that present embodiment provides is superior to 3m, and accuracy is greater than 95%; In addition, if when the administrative staff of large stadium have carried this handheld terminal, can also make Surveillance center understand administrative staff's position and indoor environmental information in real time; Further; The bar code unit is set in this handheld terminal, can obtains the venue facility information, realize management and location the venue fixed assets through detecting this bar code unit; Prevent the loss of fixed assets; And the locating module in the handheld terminal is smaller and more exquisite and module low-power consumption, adapts to very much the demand for development of Internet of Things, has extraordinary market prospects.
Embodiment 3
Referring to Fig. 3, present embodiment provides a kind of navigation system of using the handheld terminal described in above-mentioned arbitrary embodiment, and this navigation system comprises handheld terminal 301, also comprises:
Surveillance center 302 is used for the preset electronic databank of navigating, and sends navigation informations according to the locating information that the handheld terminal that receives 301 sends to handheld terminal 301.
Further, this navigation system specifically comprises the handheld terminal that several connect through the ZigBee network, and this handheld terminal also is used for sending early warning signal to other handheld terminals and/or Surveillance center;
This Surveillance center also is used to receive the early warning signal that handheld terminal sends, and carries out command adapted thereto according to this early warning signal, as send the instruction that is dispersed into outdoor safe area as early as possible etc. to handheld terminal.
Wherein, handheld terminal can be the handheld terminal that can generate locating information of arbitrary embodiment record in the foregoing description 1 and 2, and this handheld terminal can be portable terminal or mobile phone etc., and Surveillance center can be for server etc., and present embodiment is not done qualification.
Present embodiment is the preset electronic databank of navigating in Surveillance center; Like map of navigation electronic or navigation electronics gridding information etc.; Thereby after the locating information that receives the handheld terminal transmission, send navigation information accurately to handheld terminal, this navigation information can be concrete guidance path and/or guidance path time corresponding; And/or other environmental information etc., this navigation information can be shortest path information or the fastest path information.
The navigation system that present embodiment provides; Through auto-adaptive parameter propagation and the anti-interference localization method of handheld terminal based on WLAN and ZigBee; Completion based on the wireless sensor network of RSSI apart from the difference localization method; Orient the position of handheld terminal, thereby, send navigation information to handheld terminal according to navigation electronic databank preset in the Surveillance center; During venue generation emergency; Navigation system can be according to the on-the-spot environmental information of venue; Judgement accident scope and guidance path, and, select available best-effort path and/or optimum best-effort path according to personnel's distribution situation of venue; Show escape route through this handheld terminal, means commandings such as venue broadcasting commander evacuate.
All or part of content in the technical scheme that above embodiment provides can realize that through software programming its software program is stored in the storage medium that can read, storage medium for example: the hard disk in the computer, CD or floppy disk.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the utility model.

Claims (7)

1. a handheld terminal is characterized in that, specifically comprises processor core core module and locating module;
Said processor core core module be used for the locating information that said locating module sends is handled and buffer memory, and the locating information after will handling sends to said locating module;
Said locating module comprises 86W8688 chip and CC2430 chip at least; Be used for according to wlan network and ZigBee network and/or GPS network generation locating information; Said locating information is sent to the processor core core module, and the locating information after the said processing that will receive sends to Surveillance center through wlan network and/or ZigBee network.
2. terminal as claimed in claim 1 is characterized in that, said locating module specifically comprises WLAN positioning unit and WSN positioning unit and/or GPS network;
Said WLAN positioning unit adopts the 86W8688 chip; Be used for being in when indoor when handheld terminal; Adopt the compatible wlan network of said 86W8688 chip to obtain handheld terminal and be positioned at indoor locating information; Said locating information is sent to said central processor unit through Peripheral Interface, and the locating information after the said central processor unit processing is sent to Surveillance center through wlan network;
Said WSN positioning unit adopts CC2430 chip and microstrip balun circuit; Be used for being positioned at indoor and WLAN positioning unit can't locate the time when handheld terminal; Adopt the ZigBee network of said CC2430 chip support to obtain handheld terminal and be positioned at indoor locating information; Said locating information is sent to said central processor unit through said microstrip balun circuit, and the locating information after the said central processor unit processing is sent to Surveillance center through the ZigBee network;
Said GPS positioning unit adopts GPS-G502 dash receiver and NEO-6M chip; Be used for being in outdoor and during the indoor GPS overlay area when handheld terminal; Obtain the locating information of handheld terminal; Said locating information is sent to central processor unit through first serial, and the locating information after the said central processor unit processing is sent to Surveillance center through wlan network and/or ZigBee network.
3. terminal as claimed in claim 2 is characterized in that, the CC2430 chip in the said WSN positioning unit specifically comprises the filter circuit that is connected in series, chip crystal oscillating circuit and reset circuit.
4. like the described terminal of each claim of claim 1-3, it is characterized in that said processor core core module specifically comprises central processor unit and memory cell,
Said central processor unit is used for the locating information that said locating module sends is handled, and the locating information after handling is cached to said memory cell, and the locating information after will handling sends to said locating module;
Said memory cell is used for the locating information after the said central processor unit of buffer memory is handled.
5. terminal as claimed in claim 4; It is characterized in that; Said terminal also comprises power management module, and said power management module comprises external power source administrative unit, communication power supply administrative unit, voicefrequency circuit PMU, backlight drive PMU and charge power supply administrative unit at least;
Said external power source administrative unit is used for said central processor unit is supplied power;
Said communication power supply administrative unit is used for locating module is supplied power;
Said voicefrequency circuit PMU is used for the audio frequency apparatus of handheld terminal is supplied power;
Said backlight drive PMU is used for outside display module is supplied power;
Said charge power supply administrative unit is used for handheld terminal is charged.
6. terminal as claimed in claim 4 is characterized in that said terminal also comprises input/output interface, and said input/output interface specifically comprises USB interface, display device control interface and audio frequency input/output interface;
Said USB interface is used to connect ancillary equipment;
Said display device control interface is used to connect outside display module;
Said audio frequency input/output interface is used to connect audio frequency apparatus.
7. terminal as claimed in claim 4; It is characterized in that; Said terminal also comprises outside display module, is connected with said locating module, and said outside display module is used to show the early warning signal of locating module transmission and the navigation information that Surveillance center sends.
CN201120051067XU 2011-02-28 2011-02-28 Hand-held terminal Expired - Lifetime CN202261798U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103856612A (en) * 2012-11-30 2014-06-11 陈国良 Portable electronic communication apparatus
CN103945066A (en) * 2014-04-29 2014-07-23 郑州嘉航自动化设备有限公司 Multifunctional communication terminal
CN104737602A (en) * 2013-07-24 2015-06-24 华为技术有限公司 Method, device, and system for locating user equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103856612A (en) * 2012-11-30 2014-06-11 陈国良 Portable electronic communication apparatus
CN104737602A (en) * 2013-07-24 2015-06-24 华为技术有限公司 Method, device, and system for locating user equipment
CN103945066A (en) * 2014-04-29 2014-07-23 郑州嘉航自动化设备有限公司 Multifunctional communication terminal

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