CN202750911U

CN202750911U - Assisted global positioning system (AGPS) positioning backpack and positioning system provided with the same

Info

Publication number: CN202750911U
Application number: CN 201220376459
Authority: CN
Inventors: 蔡烔
Original assignee: SHANGHAI SONGLIAN INTERNATIONAL GARMENTS CO Ltd
Current assignee: SHANGHAI SONGLIAN INTERNATIONAL GARMENTS CO Ltd
Priority date: 2012-07-31
Filing date: 2012-07-31
Publication date: 2013-02-27
Anticipated expiration: 2022-07-31

Abstract

The utility model relates to positioning equipment, in particular to an assisted global positioning system (AGPS) positioning backpack and a positioning system provided with the AGPS positioning backpack. The AGPS positioning backpack comprises a backpack body, a battery and a positioning module, wherein the battery and the positioning module are arranged in the backpack body, and the positioning module is an AGPS positioning module composed of a global system for mobile communication (GSM) baseband chip and a global positioning system (GPS) receiver which are connected with each other. The positioning system comprises an AGPS server, an inquiry terminal and the AGPS positioning backpack, wherein the inquiry terminal is in communication connection with the AGPS server through a wireless communication network or an internetwork or a combination of the wireless communication network and the internetwork, and the AGPS server is in communication connection with a controller and the AGPS positioning module in the backpack. The AGPS positioning backpack and the positioning system provided with the AGPS positioning backpack have the advantages that by utilization of the AGPS positioning technology and by means of a GSM honeycomb base station for assistant positioning, the problem that positioning cannot be realized on the condition of bad GPS signals is solved, and positioning accuracy is improved effectively. Besides, a monitoring person can actively open or close the AGPS function under any necessary circumstance so that stand-by time is prolonged substantially, and practicability of the positioning backpack is enhanced.

Description

A kind of AGPS locates knapsack and has the navigation system of this location knapsack

Technical field

The utility model relates to a kind of position positioning equipment, relates in particular to a kind of AGPS location knapsack and has the navigation system of this location knapsack.

Background technology

Because children and teenager's physical and mental development are not yet ripe, have that sense of self-protection is poor, a feature of resistance ability and resolving ability deficiency, become kidnapping, abduct the preferred object of crime.According to the Statistics, the crime of abducting of implementing for children and teenager has become and has increased in the world the fastest, one of the most profitable crime, and annual return is only second to drugs and arms sales industry.United States Justice Department's data point out, have every year the teenager of 790,000 7500 under-18s and children missing or be kidnaped, and obtain 2185 cases average every day, and numeral is surprising.Same, the kidnapping of in recent years children and teenager being implemented, abduct crime and ascendant trend occurred in China.How child protection and teenagers healthy growth have become that international community is concerned about jointly, problems of concern.

Generally speaking; kidnapping; abducting after occuring several hours of case is to rescue the prime time of seeking the victim; but also often such situation can appear; children and teenager are going to school; in classes are over the way or without the adult accompany movable out of doors the time; because fond of play and more than expected to the school or time of growing time of going home; guardian or school usually can be nervous anxious seek; but owing to can't determine that it is whether missing and do not report to the police or can't report to the police and put on record (because public security organ's police strength is limited; do not have ability cannot put on record to each short time and the out of touch fact of household or unit yet; so except children below 10 years old; outside mental patient or the amentia personage, missing warning all be generally speaking 24 hours as time restriction).Owing to can't effectively differentiate at short notice above-mentioned situation and abducting kidnapping case, having wasted to rescue and sought prime time.

So, need a kind of positioner that can make the guardian effectively grasp minor's whereabouts.In order to address the above problem, present having is installed on the school bag by gps receiver, consists of a kind of school bag that positions.But the said goods has two large shortcomings, has seriously restricted its practicality:

One, the gps satellite signal penetration power is poor, easily is subject to stopping of building, trees etc. and causes and can't locate.And in fact after the offender abducts, kidnaps at embodiment, generally at first to carry out exactly the victim is shifted or conceals by means of transport in the sheltered situation, and above-mentioned environment all is unfavorable for the acceptance of gps satellite signal.

Two, for portable and hidden consideration, generally can not adopt the design of high capacity cell in the knapsack.If the GPS positioning function is kept normally open, power consumption is large, and the long stand-by time of needs when often needing this type of knapsack to play a role, with the lasting positional information that provides; And if the GPS positioning function is set as normally off, then only have manual triggers to open this function, do not meet children and teen-age intellectual development rule, the situation of triggering can appear forgetting when playing first, subjective condition and objective condition may not allow when second running into accident, and for this reason, monitoring person or the police will be difficult to determine the position by the GPS positioning function, thereby affect rescue time adversely, cause irremediable consequence.

Summary of the invention

The purpose of the utility model embodiment is for the deficiencies in the prior art, propose a kind of AGPS location knapsack and have the navigation system of this location knapsack, solved orientation problem indoor, underground and other satellite-signal crested place, in addition also by controller has solved needs manually opened positioning function in the prior art technical problem is set.

In order to reach the foregoing invention purpose, a kind of AGPS location knapsack that the utility model at first proposes is achieved through the following technical solutions:

A kind of AGPS location knapsack comprises the knapsack body and is located at the intrinsic battery of described knapsack and locating module, it is characterized in that: the AGPS locating module of described locating module for being connected to form by GSM baseband chip and gps receiver.

Further preferred, also be provided with the controller of accepting for the control signal of controlling described AGPS locating module startup in the described knapsack body, the described GSM baseband chip of described controller control connection and gps receiver.

In technique scheme, further preferred, described controller also comprises an electric quantity detection apparatus, connects described battery.

In addition, a kind of navigation system with this location knapsack that the utility model also proposes is achieved through the following technical solutions:

A kind of navigation system, comprise the AGPS server, it is characterized in that: also comprise inquiry terminal and AGPS as claimed in claim 3 location knapsack, described inquiry terminal is set up communication by wireless communication networks, internet or wireless communication networks with the combination of internet with described AGPS server and is connected, and controller and the communication of AGPS locating module in described AGPS server and the described knapsack are connected.

The utility model has proposed a kind of AGPS location knapsack and has had the navigation system of this location knapsack; provide a whole set of user to protect pupillary targeting scheme; can carry out real-time query for knapsack and knapsack carrier's position by inquiry terminal, make monitoring person can in time grasp pupillary whereabouts.Its advantage is: utilize the AGPS location technology, carry out auxiliary positioning by the GSM cellular basestation, not only make and search star speed and greatly improve, and in the situation that gps satellite signal be disturbed, by cellular basestation assisting with reference to GPS, or auxiliary by GSM location, remedied in the situation that the bad problem that can't locate of gps signal, Effective Raise positioning accuracy in the case; In addition, can initiatively trigger the AGPS function by inquiry terminal, finish the location to portable terminal, thus can make monitoring person in the situation that any think be necessary to open or close the AGPS function, thereby significantly prolonged stand-by time, strengthened the practicality of location knapsack.

Description of drawings

By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and easily understand.

Fig. 1 is the utility model embodiment overall structure schematic diagram;

Fig. 2 is the utility model embodiment principle schematic.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail, so that technical staff's of the same trade understanding:

Shown in Fig. 1-2, label represents respectively: location knapsack 1, knapsack body 12, positioner 13, battery 131, locating module 132, GSM baseband chip 1321, gps receiver 1322, controller 133, AGPS server 2, inquiry terminal 3.

Referring to Fig. 1-2, the utility model embodiment proposes a kind of AGPS location knapsack and a kind of navigation system with this location knapsack.Navigation system also comprises AGPS server 2 and inquiry terminal 3 except comprising location knapsack 1, wherein:

Location knapsack 1 comprises knapsack body 12 and is located at positioner 13 in the described knapsack body 12, and positioner 13 is by battery 131, locating module 132 and controller 133.

Required electric energy when battery 131 provides locating module 132 and controller 133 operation.

Locating module 132 is connected to form by GSM baseband chip 1321 and gps receiver 1322, in other words, this locating module 132 is the AGPS locating module, AGPS(Assisted GPS, A-GPS) claim again auxiliary global satellite positioning system, this location technology combines the advantage of GPS location and GSM cellular basestation location, as auxiliary, can obtain higher positioning accuracy and very fast locating speed by the GSM cellular basestation; Simultaneously, can overcome to a great extent can't locate or problem that precision reduces in the weak gps signal situation, being unsuitable for using under the environment of GPS location (as described above indoor, inferior), adopt GSM cellular basestation location to position.Locating module 132 has unique numbering, and when sending data to AGPS server 2, all subsidiary its number information.Overall work principle below with reference to the present embodiment navigation system is described in detail.

The described GSM baseband chip 1321 of controller 133 control connections and gps receiver 1322 are as the control device of control locating module 132 keyings.Controller 133 can receive the control signal that is used for 132 startups of control AGPS locating module or cuts out that AGPS server 2 sends, the keying of corresponding control AGPS locating module 132 positioning functions after receiving above-mentioned signal.It should be noted that, controller 133 reception control signals are realized by GSM baseband chip 1321 in the present embodiment, by the forwarding of mobile switching centre, radio network controller and base station in the mobile communications network, AGPS server 2 sends to controller 133 with the form of control signal specifically.And GSM baseband chip 1321 always be in the state that can receive base station signal, so closing of above-mentioned AGPS locating module 132 can not be understood to that all elements all are in off position on it, and should be interpreted as being in the state that positioning function is closed.

In addition, although adopt above-mentioned means can significantly improve stand-by time, the consumes power that still can continue under the state that positioning function is closed.So controller 133 also is provided with the electric quantity detection apparatus that connects described battery 131, for detection of the electric weight of battery 131.And send battery electric quantity information by GSM baseband chip 1321 to AGPS server 2 with predetermined interval.And when detecting battery electric quantity and be lower than threshold value, start the positioning function of locating module 132, as last location before the outage.Adopt such design, at first can make the guardian of network opposite side can grasp battery electric quantity, can determine how long the duration of grasping the minor position also has; In addition, in use also such a case can occur, it is missing that the guardian often fails in time to perceive children, if this moment, the knapsack battery electric quantity was not enough, can before outage positional information in time be sent, and can provide great help for search and rescue afterwards.

AGPS server 2 is as public service platform, and the base station address information that transmit pseudorange information that gps receiver 1322 sends and base station is accepted in its access GSM network and internet, and finishes the processing to above-mentioned information, the current location of estimation knapsack 1.In addition, AGPS server 2 generates the account of an appointment according to the numbering of each locating module 132, and with corresponding being stored in the destiny account of above-mentioned positional information.

The equipment that inquiry terminal 3 is held for the guardian, it is the terminal devices such as mobile phone that specific software is housed, computer, panel computer, and this inquiry terminal 3 is set up communication by wireless communication networks, internet or wireless communication networks with the combination of internet with AGPS server 2 and is connected.The destiny account of guardian in inquiry terminal 3 logs in AGPS server 2, and realize that by software control locating module 132 opens and closes, obtains positional information, generates whereabouts figure, obtains the function such as information about power according to historical position.For avoiding minor's positional information people that had nothing to do to wait and to obtain, login account can be set as mode by user name and password and log in, logs in or log in etc. at the equipment of specified machine code the mode of maintaining secrecy by encrypting key.

In conjunction with the said apparatus structure, below be elaborated for this navigation system operation principle:

Under normal circumstances, the guardian logs in AGPS server 2 by inquiry terminal 3, sends AGPS by AGPS server 2 to the location knapsack 1 in the mobile communications network overlay area and opens control signal; Location knapsack 1 receives AGPS and opens control signal, and opens control signal according to AGPS and open the AGPS function; AGPS server 2 is by the regional location (i.e. a COO location) of mobile communication network acceptance from the current place that cellular basestation gets access to; AGPS server 2 is according to should the zone current available satellite information of current region position enquiring (relevant informations such as frequency range, orientation, the elevation angle that comprise satellite), and returns to location knapsack 1; Gps receiver 1322 can find current available gps satellite fast according to the usable satellite information that obtains, and accurately locates.

In above-mentioned steps, can't find current available gps satellite such as gps receiver 1322, then locate knapsack and be in the gps signal shaded areas, directly adopt GSM cellular basestation location this moment, can select COO location (single architecture), TOA location (the location time of advent), TDOA location (the poor location time of advent), AOA location (arrival angle orientation) etc. locate mode according to the peripheral base station situation, its concrete executive mode is well known to those skilled in the art, repeats no more herein.

The utility model one of ordinary skill in the art be appreciated that; the above embodiment of the utility model only is one of preferred embodiment of the present utility model; be the length restriction; here can not all embodiments of particularize; any enforcement that can embody the utility model claim technical scheme is all in protection domain of the present utility model.

It should be noted that; above content is in conjunction with concrete embodiment further detailed description of the utility model; can not assert that the specific embodiment of the present utility model only limits to this; under the guidance of above-described embodiment; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in the protection domain of the present utility model.

Claims

1. an AGPS location knapsack comprises the knapsack body and is located at the intrinsic battery of described knapsack and locating module, it is characterized in that: the AGPS locating module of described locating module for being connected to form by GSM baseband chip and gps receiver.

2. a kind of AGPS as claimed in claim 1 locates knapsack, it is characterized in that: also be provided with the controller of accepting for the control signal of controlling described AGPS locating module startup in the described knapsack body, the described GSM baseband chip of described controller control connection and gps receiver.

3. a kind of AGPS as claimed in claim 2 locates knapsack, it is characterized in that: described controller comprises that also one connects the electric quantity detection apparatus of described battery.

4. navigation system, comprise the AGPS server, it is characterized in that: also comprise inquiry terminal and AGPS as claimed in claim 3 location knapsack, described inquiry terminal is set up communication by wireless communication networks, internet or wireless communication networks with the combination of internet with described AGPS server and is connected, and controller and the communication of AGPS locating module in described AGPS server and the described knapsack are connected.