CN105025258A

CN105025258A - Continuous positioning law enforcement recorder

Info

Publication number: CN105025258A
Application number: CN201510393851.1A
Authority: CN
Inventors: 荣勤; 李朝兴; 韩勇
Original assignee: SHENZHEN JINGYI DIGITAL TECHNOLOGY Co Ltd
Current assignee: SHENZHEN JINGYI DIGITAL TECHNOLOGY Co Ltd
Priority date: 2015-07-07
Filing date: 2015-07-07
Publication date: 2015-11-04

Abstract

The invention discloses a continuous positioning law enforcement recorder. The recorder comprises a base station positioning module, a GPS module, a mobile communication module and a determination control unit. The mobile communication module is connected with the GPS module and used for receiving real-time data from the GPS module. The real-time data comprises position information and data bits used for representing whether current GPS positioning is effective. The determination control unit is connected with the base station positioning module, is connected with the mobile communication module or the GPS module, is used for determining that the law enforcement recorder is located indoors or outdoors at present according to the data bits, and starts the base station positioning module for indoor positioning when that the law enforcement recorder is located indoors is determined. The positioning way of the recorder achieves seamless switching when intersect movement is carried out indoors and outdoors, the continuous positioning effects are achieved, and great convenience is provided for law enforcement work.

Description

A kind of law-enforcing recorder of uninterrupted location

Technical field

The present invention relates to single alert law-enforcing recorder and location technology thereof, particularly relate to a kind of law-enforcing recorder of uninterrupted location.

Background technology

Existing law-enforcing recorder uses GPS module to obtain geographical position latitude and longitude information, then by GSM2G/3G module, the geographical location information of law enfrocement official is uploaded to background server.But, when law enfrocement official moves to indoor or street building blocks place, GPS module normally cannot receive locating information, cannot carry out effective location, the staff on backstage cannot check the current location of this law enfrocement official by tracking in time, makes troubles to police work.In addition, need to download satellite almanac data because GPS module first time starts, cause first time to locate comparatively slow, impact law enforcement.

Summary of the invention

Main purpose of the present invention is the law-enforcing recorder proposing a kind of uninterrupted location, causes GPS to carry out effective location, thus affect the technical problem of effect of enforcing the law to solve existing law-enforcing recorder at the indoor or building place of blocking or because of other reasons.

The present invention is that to solve the problems of the technologies described above the technical scheme of proposition as follows:

A law-enforcing recorder for uninterrupted location, comprises architecture module, GPS module, mobile communication module and judgement control unit; Described mobile communication module is connected with described GPS module, and for receiving the real time data from described GPS module, wherein said real time data comprises positional information and for characterizing Current GPS location whether effective data bit; Described judgement control unit and described architecture model calling, also be connected to receive the described data bit that described mobile communication module or described GPS module transmit with described mobile communication module or described GPS module simultaneously, whether effective to judge described Current GPS location according to described data bit, and when judging that described Current GPS location is invalid, starting described architecture module and positioning.

The law-enforcing recorder that technique scheme provides, GPS module can send to characterize the whether effective data bit in Current GPS location in real time, judge that control unit receives this data bit, if the information that this data bit characterizes is Current GPS, location is invalid, then now judge that control unit can start architecture module and carry out architecture, the positional information that architecture module is fed back in such cases is only the physical location residing for current record instrument; Otherwise if the information that this data bit characterizes is Current GPS, location is effective, then without the need to starting architecture, in such cases, namely the described positional information that GPS module sends indicates the physical location of current record instrument.So, no matter recorder is in indoor or outdoor, or because of other reasons cause GPS module to locate invalid time, recorder still can carry out effective location, improves law enforcement efficiency.

Preferably, described mobile communication module downloads satellite ephemeris when described law-enforcing recorder electrifying startup by mobile communications network, uses for described GPS module.When recorder initiating switchup, GPS module needs automatic acquisition satellite ephemeris, but speed is slower like that, usual needs one or two minute, in this programme, got off quick-downloading for satellite ephemeris for GPS module by mobile communication module, thus improve first time locating speed, law enforcement efficiency is improved.

Preferably, described architecture model calling is to described mobile communication module, described mobile communication module is connected to a background server, to be sent the positioning result of described real time data and described architecture module to described background server by mobile communications network.When recorder is in outdoor, background server receives the described real time data of GPS module, can conclude currently be in outdoor and in described real time data positional information and be current physical location according to described data bit.When recorder is in indoor, background server receives the described real time data of GPS module, and can conclude according to described data bit and currently be in indoor, the physical location of current record instrument is then as the criterion with the positioning result of the architecture module received.

Preferably, also comprise building auxiliary positioning module, be connected with described GPS module, for receiving described real time data to determine whether according to described data bit starting, when described data bit show described Current GPS location invalid time, described building auxiliary positioning module starts, control the photographing module of described law-enforcing recorder to take building photo, obtain orientation angles information from the gyro sensor of described law-enforcing recorder simultaneously, and described building photo and described orientation angles information are sent to described background server, to carry out building assist location.In order to make indoor positioning more accurate, this programme adds building auxiliary positioning function with the positional accuracy of supplementary indoor employing architecture.

Preferably, described mobile communication module is gsm module.

In a word, law-enforcing recorder provided by the invention is compared with existing law-enforcing recorder, at least have the following advantages: whether effective by described data bit real-time judge Current GPS location, just can start architecture module to position once detect that Current GPS location is invalid, realize the seamless switching of locate mode, thus ensure that recorder can uninterruptedly be located, bring great convenience to law-enforcing work.

Accompanying drawing explanation

Fig. 1 is a kind of theory diagram of law-enforcing recorder of uninterrupted location.

Embodiment

Below in conjunction with accompanying drawing and concrete execution mode, the invention will be further described.

The specific embodiment of the present invention proposes a kind of law-enforcing recorder 100 (hereinafter referred to as recorder) of uninterrupted location, as shown in Figure 1, comprise GPS module 101, architecture module 102, mobile communication module 103 and judge control unit 104, described mobile communication module 103 is connected with described GPS module 101, for receiving the real time data from described GPS module 101, wherein said real time data comprises positional information and for characterizing Current GPS location whether effective data bit; Described judgement control unit 104 is connected with described architecture module 102, also be connected the described data bit that (what illustrate in Fig. 1 is be connected with mobile communication module 103) transmits to receive described mobile communication module 103 or described GPS module 101 with described mobile communication module 103 or described GPS module 101 simultaneously, thus judge whether described Current GPS location is effective according to described data bit, and when judging that described Current GPS location is invalid, starting described architecture module 102 and positioning.After recorder electrifying startup, after GPS module 101 initialization completes, send a real time data will to mobile communication module 103 at interval of a period of time (such as 1 second, 0.5 second or 1.5 seconds etc. other values), include in this real time data positional information and for characterize GPS module 101 as the whether effective data bit D of prelocalization.Judge that control unit 104 receives from mobile communication module 103 or directly from the described real time data of GPS module 101, more preferably receive only the described data bit in this real time data, the information characterized when the described data bit received is " Current GPS location is invalid ", then illustrate current record instrument be in indoor or blocked by building or other reasons to cause GPS to locate invalid, GPS module cannot position, now judge that control unit 104 controls architecture module 102 and opens to carry out architecture, now the physical location of recorder is determined by the positioning result of architecture, if judge that information that the described data bit that control unit 104 receives characterizes is as " Current GPS location effectively ", then without the need to starting architecture module 102, and the described positional information in the real time data that sends of GPS module 101 is the current residing physical location of recorder.In a kind of preferred version, when recorder after GPS module energy effective location, judges that control unit 104 can perform the action of closing architecture module 102 according to described data bit to outdoor by indoor moving.

In a kind of embodiment be more preferably, when recorder electrifying startup, mobile communication module 103 downloads satellite ephemeris for GPS module 101 by mobile communications network, and so, the speed that recorder is located first will be a lot of soon.Mobile communication module 103 can be such as gsm module.

Recorder is generally all connected with a background server 200, can by the real-time uploading position of mobile communications network and other data, such as by described mobile communication module 103, the described real time data of GPS module is sent to this background server 200, whether the described positional information that background server 200 can judge in described real time data according to described data bit is desirable, if this data bit display Current GPS location effectively, then described positional information desirable (for effective locating information), otherwise, the physical location of recorder is as the criterion with the positioning result from architecture module 102 received from mobile communication module 103.

In order to make indoor positioning more accurate, make up the deficiency of architecture, in a kind of preferred embodiment, also add building auxiliary positioning module 105, as shown in Figure 1, be connected with described GPS module 101, described real time data can be received to determine whether according to described data bit starting, when described data bit display Current GPS location is invalid, described building auxiliary positioning module 105 starts, the photographing module 106 controlling recorder takes building photo, obtain orientation angles information from the gyro sensor 107 of recorder simultaneously, and described building photo and described orientation angles information are sent to described background server 200, mated by building comparison, determine the position residing for recorder further.

Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, some equivalent to substitute or obvious modification can also be made, and performance or purposes identical, all should be considered as belonging to protection scope of the present invention.

Claims

1. a law-enforcing recorder for uninterrupted location, is characterized in that: comprise architecture module, GPS module, mobile communication module and judgement control unit;

Described mobile communication module is connected with described GPS module, and for receiving the real time data from described GPS module, wherein said real time data comprises positional information and for characterizing Current GPS location whether effective data bit;

Described judgement control unit and described architecture model calling, also be connected to receive the described data bit that described mobile communication module or described GPS module transmit with described mobile communication module or described GPS module simultaneously, whether effective to judge described Current GPS location according to described data bit, and when judging that described Current GPS location is invalid, starting described architecture module and positioning.

2. law-enforcing recorder as claimed in claim 1, is characterized in that: described mobile communication module downloads satellite ephemeris when described law-enforcing recorder electrifying startup by mobile communications network, uses for described GPS module.

3. law-enforcing recorder as claimed in claim 1 or 2, it is characterized in that: described architecture model calling is to described mobile communication module, described mobile communication module is connected to a background server, to be sent the positioning result of described real time data and described architecture module to described background server by mobile communications network.

4. law-enforcing recorder as claimed in claim 3, it is characterized in that: also comprise building auxiliary positioning module, be connected with described GPS module, for receiving described real time data to determine whether according to described data bit starting, when described data bit show described Current GPS location invalid time, described building auxiliary positioning module starts, control the photographing module shooting building photo of described law-enforcing recorder, obtain orientation angles information from the gyro sensor of described law-enforcing recorder simultaneously, and described building photo and described orientation angles information are sent to described background server, to carry out building assist location.

5. law-enforcing recorder as claimed in claim 2, is characterized in that: described mobile communication module is gsm module.