CN205656310U - GPS locater and positioning system - Google Patents

Abstract

The embodiment of the utility model discloses GPS locater and positioning system, including host computer and two or two above GPS orientation module, the host computer includes controller and power module, every GPS orientation module is connected with the controller through a data transmission line, and GPS orientation module gathers positioning coordinate, actual range between two the arbitrary GPS orientation module of circuit distance measurement module measurable quantity on the data transmission line, the controller obtains central point coordinate and central point correction parameter according to positioning coordinate, actual range. The embodiment of the utility model provides a GPS locater and positioning system includes a plurality of GPS orientation module, can gather the positioning coordinate of multiunit electric wire netting equipment, improves positioning coordinate and acquires the probability, improves the quality of data simultaneously. The GIS unit carries out the accurate positioning according to the central point coordinate received and central point correction parameter to electric wire netting equipment, provides accurate reference for electric wire netting overhaul of the equipments and localization of fault.

Description

A kind of GPS position finder and alignment system

Technical field

This utility model relates to positioner technical field, particularly relates to a kind of GPS position finder and alignment system.

Background technology

GIS (Geographic Information System, GIS-Geographic Information System) is a kind of in order to obtain, store, examine Rope, analyze and realize positioning data and the computerized data base management system that sets up, at present, be widely used in water conservancy The fields such as electric power, resource investigation, environmental assessment, hazard prediction, Territorial management, urban planning.Wherein, electric power GIS It is by power equipment facilities information, operation of power networks status information, mountains and rivers, cities and towns, highway, and meteorology, geology, money The natural environment information such as source concentrate on the system of one, can inquire about relevant data, image, map, technology money by GIS Material etc..

GIS has the merits such as Spatial data capture, data storage and management, data process&analysis, data output and display Energy.Wherein, data acquisition includes collection and the input of data, will the original data transmissions of its exterior to internal system, And the form of initial data is converted to the form that internal system is capable of identify that and processes.At present, the data of GIS are mainly come From GPS (Global Positioning System, global positioning satellite) and RS, (Remote Sensing, the modern times are distant Sense) technology, GIS receives initial data, and the initial data obtained is formed digital map, for power system Visual analyzing, during this, the accuracy of initial data directly affects the accuracy of the result of display in GIS.Example If, GIS is to the location of grid equipment and description, need the elements of a fix using location technology to gather grid equipment, at present, The elements of a fix (longitude and latitude data) using GPS position finder to gather grid equipment and picture, then GIS is according to being connect more Grid equipment is positioned and describes by the elements of a fix and the picture received.

But, GPS position finder of the prior art is provided only with a GPS locating module, during gathering the elements of a fix, The factor such as weather (cloudy day as thicker in cloud layer) and geographical position (such as mountain area and building dense district) will affect the letter of GPS Number stability, the elements of a fix causing the grid equipment that GPS position finder gathers are inaccurate, i.e. there is deviations, thus Affect GIS grid equipment to be accurately positioned and accurate description, hinder the high quality service of power system and intelligent pipe The development of reason.

Therefore, a kind of provide be accurately positioned coordinate, improve the elements of a fix obtain probability GPS position finder urgently occur.

Utility model content

This utility model embodiment provides a kind of GPS position finder and alignment system, fixed to solve GPS in prior art The position instrument inaccurate problem causing GIS to produce deviations of the elements of a fix to grid equipment.

In order to solve above-mentioned technical problem, this utility model embodiment discloses following technical scheme:

A kind of GPS position finder, including main frame and two or more GPS locating modules, described main frame includes controller And power module；Each described GPS locating module is connected with described controller by a data transmission line, described GPS Locating module is for gathering the elements of a fix of himself position；

Described data line is provided with a circuit distance-measurement module, and described circuit distance-measurement module is used for measuring arbitrarily Actual range between two described GPS locating modules；

Described controller is surveyed for the elements of a fix gathered according to described GPS locating module, described circuit distance-measurement module The actual range of amount obtains center point coordinate and central point correcting parameter, and wherein, described center point coordinate is all described GPS The coordinate of the central point of locating module.

Preferably, described data line is flexible data line.

Preferably, described GPS position finder being additionally provided with photographic head, described photographic head electrically connects with described controller.

Preferably, described each described GPS locating module is connected with described controller, specifically by a data transmission line For, described GPS locating module is n with the quantity of described data line, n > 1, each described GPS locating module It is connected with described controller by a data transmission line.

Preferably, described main frame being additionally provided with liquid crystal display, described liquid crystal display electrically connects with described controller, described liquid Brilliant display is used for showing the described elements of a fix, center point coordinate and central point correcting parameter.

Preferably, including GPS position finder mentioned above and GIS unit, GPS position finder communicates to connect with GIS unit, Described GPS position finder is used for obtaining described center point coordinate, central point correcting parameter and gathering pictorial information and send to institute State GIS unit；

Described GIS unit is for entering grid equipment according to described center point coordinate, central point correcting parameter and pictorial information Row location and description.

From above technical scheme, GPS position finder and alignment system that this utility model embodiment provides include multiple GPS Locating module, can gather the elements of a fix organizing grid equipment more, improves the elements of a fix and obtains probability, improves number simultaneously According to quality.Circuit distance-measurement module can record the actual range between any two GPS locating module.Controller according to The elements of a fix and actual range obtain center point coordinate and central point correcting parameter, and send it to GIS unit, GIS Grid equipment is accurately positioned with central point correcting parameter by unit according to the center point coordinate received, for grid equipment Maintenance and localization of fault provide accurate reference.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will to embodiment or In description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, for ordinary skill people For Yuan, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The structural representation of a kind of GPS position finder that Fig. 1 provides for this utility model embodiment；

The data transmission scheme of a kind of GPS position finder that Fig. 2 provides for this utility model embodiment；

The structural representation of a kind of alignment system that Fig. 3 provides for this utility model embodiment；

Symbol table in Fig. 1-3 is shown as: 1-GPS position finder, 101-GPS locating module, 102-main frame, 103-circuit away from From measurement module, 104-data line, 105-controller, 106-liquid crystal display, 107-power module, 108-images Head, 2-GIS unit.

Detailed description of the invention

For the technical scheme making those skilled in the art be more fully understood that in this utility model, below in conjunction with this practicality Accompanying drawing in new embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that Described embodiment is only a part of embodiment of this utility model rather than whole embodiments.New based on this practicality Embodiment in type, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise Execute example, all should belong to the scope of this utility model protection.

The structural representation of a kind of GPS position finder that Fig. 1 provides for this utility model embodiment, as it is shown in figure 1, GPS Position finder 1 includes main frame 102, data line 104 and two or more GPS locating module 101, wherein, Main frame 102 includes controller 105.

Existing GPS position finder arranges single GPS locating module, and single GPS locating module only gathers one group of grid equipment The elements of a fix, if GPS locating module framing signal in responsible environment unstable, then GPS locating module is gathered The accuracy of the elements of a fix will be affected, thus grid equipment is accurately positioned by impact.Therefore, this utility model The GPS position finder provided arranges n GPS locating module 101, n > 1, n GPS locating module can gather n group mutually The elements of a fix of independent grid equipment, improve the elements of a fix and obtain probability, meanwhile, by n the elements of a fix to electrical network If positioning, improve the degree of accuracy of the elements of a fix.In the present embodiment, n value is 3, i.e. GPS position finder 1 includes 3 GPS locating modules 101, it is noted that those skilled in the art can need the value to n to carry out according to reality test Corresponding adjustment, such as 2,4 or 5, it belongs to protection domain of the present utility model.

GPS locating module 101 is connected with controller 105 by a data transmission line 104, specifically, GPS positions mould Block 101 is n with the quantity of data line 104, n > 1, and each GPS locating module 101 is passed by a data Defeated line 104 is connected with controller 105.In the present embodiment, GPS position finder 1 includes 3 GPS locating modules 101 and 3 Data transmission line 104, every data transmission line 104 one end is connected with controller 105, and the other end stretches out main frame 102 It is connected with a GPS locating module 101.

GPS locating module 101 gathers the elements of a fix of himself position, and the elements of a fix of collection are passed through data Transmission line 104 transmits to controller 105.Wherein, the elements of a fix of himself position are GPS locating module 101 The elements of a fix of position.Such as, GPS locating module 101 is placed on grid equipment, then GPS locating module 101 The elements of a fix that the elements of a fix are power equipment gathered.In the present embodiment, GPS locating module 101 uses sub-meter grade, Those skilled in the art can select the GPS locating module of suitable setting accuracy according to actual needs, and it each falls within this practicality Novel protection domain.

Data line 104 is flexible data line, and therefore, GPS locating module 101 can be at data line 104 Any place it is positioned over, as GPS locating module 101 can be positioned on grid equipment or is positioned over away from electric power in the range of line length The position of equipment 10m, and the placement location of each GPS locating module 101 can individually carry out, fixed by other GPS The impact of position module 101.In the present embodiment, GPS position finder 1 includes 3 GPS locating modules 101, respectively first GPS locating module, the 2nd GPS locating module, the 3rd GPS locating module, in actual use, 3 GPS are fixed Position module 101 is individually positioned in the diverse location of grid equipment.Such as, use GPS position finder 1 that the position of shaft tower is entered Row location, is placed on a GPS locating module block on the ground at the left side 50m of shaft tower, and the 2nd GPS is positioned mould Block is placed on the right side of shaft tower on the ground at 50m, is placed at the tower top of shaft tower by the 3rd GPS locating module.

A circuit distance-measurement module it is connected on data line 104 between controller 105 with GPS locating module 101 103, circuit distance-measurement module 103 is for measuring the actual range between any two GPS locating module 101, and will survey Actual range between any two GPS locating module 101 of amount, and all of any two GPS location mould that will measure Actual range between block 101 transmits to controller 105.

Circuit distance-measurement module 103 measures the actual distance between any two GPS locating module 101, specifically, line Road distance-measurement module 103 is according to the position coordinates at every data transmission line two ends, it is thus achieved that the GPS locating module connected 101 with the lateral deviation (X axis coordinate difference) of controller 105 and longitudinal bias (Y-axis coordinate difference), utilize and hook stock Theorem calculates the actual distance between any two GPS locating module 101.

Its calculating process is that circuit distance-measurement module 103 is according to the position coordinates at data line 104 two ends, it is thus achieved that Lateral deviation x between i-th GPS locating module and controller 105_iWith longitudinal bias y_i, jth can be obtained equally Lateral deviation x between GPS locating module and controller 105_jWith longitudinal bias y_j, utilize Pythagorean theorem to calculate i-th Actual range m between GPS locating module and jth GPS locating module_ij, its formula is as follows:

$m_{ij}=\sqrt{{(x_i-x_j)}^2+{(y_i-y_j)}^2},$

Wherein, the value of i, j is the integer in [1, n], and i ≠ j.

In the present embodiment, the value of n is 3, i.e. GPS position finder 1 includes 3 GPS locating modules, respectively first GPS locating module, the 2nd GPS locating module, the 3rd GPS locating module, calculate any two GPS locating module 101 Between the process of actual range as follows:

Oneth GPS locating module and the 2nd GPS locating module,

Oneth GPS locating module and the 3rd GPS locating module,

2nd GPS locating module and the 3rd GPS locating module,

Controller 105 is used for receiving the elements of a fix that each GPS locating module 101 sends, and according to all elements of a fix Obtaining center point coordinate, wherein, center point coordinate is the coordinate of the central point of all GPS locating modules 101.

The calculating process of center point coordinate is as follows:

In geometry, for the n limit shape in a plane, it is known that vector form v1 on n summit, v2 ... vn, then its The computing formula of geometric center point C is:

$C=\frac{1}{n}\underset{i=1}{\overset{n}{\Σ}}vi.$

Utilizing the method, will calculate the center point coordinate of the n group elements of a fix, its detailed process is, controller 105 obtains The elements of a fix that each GPS locating module 101 gathers, n GPS locating module 101 gathers the n group elements of a fix, with n The group elements of a fix form a n limit shape as summit, then the problem of the center point coordinate calculating the n group elements of a fix is converted into Calculate the coordinate of the geometric center point of n limit shape.

In the present embodiment, the value of n is 3, i.e. GPS position finder 1 includes 3 GPS locating modules 101, respectively One GPS locating module, the 2nd GPS locating module, the 3rd GPS locating module.Each GPS locating module 101 is adopted The elements of a fix of collection, as the coordinate on each summit, calculate the coordinate of geometric center C of triangle.Such as, a GPS The elements of a fix of locating module are G1 (30,60), and the elements of a fix of the 2nd GPS locating module are G2 (28,63), the The elements of a fix of three GPS locating modules are G3 (33,59).

The first step: the elements of a fix datum point gathered according to each GPS locating module 101 points to the vector on each summit, With 0. 0 (0,0) for initial point, then its calculating process is:

OG₁=(30,60)-(0,0)=(30,60)；

OG₂=(28,63)-(0,0)=(28,63)；

OG₃=(33,59)-(0,0)=(33,59).

Second step: the vector of computational geometry central point C:

OC=(OG₁+OG₂+OG₃)/3=(30,61)；

3rd step: obtain the coordinate (30,61) of geometric center point C, be center point coordinate.

In order to reduce deviations, needing to be modified center point coordinate, controller 105 positions mould according to described GPS The actual range that the elements of a fix that block 101 gathers, described circuit distance-measurement module 103 are measured obtains center point coordinate and obtains To central point corrected parameter, utilize central point corrected parameter that center point coordinate is modified, reduce deviations, raising Positioning precision.

Controller 105 obtains central point corrected parameter specifically, what controller 105 gathered according to GPS locating module 101 The elements of a fix obtain poor location between any two GPS locating module 101 away from, meanwhile, controller 105 receive circuit away from The actual range measured from measurement module 103, according to actual range and poor location away from available central point correcting parameter.

The calculating process of central point correcting parameter is as follows:

The first step: the actual range between any two GPS locating module 101, its formula is as follows,

$m_{ij}=\sqrt{{(x_i-x_j)}^2+{(y_i-y_j)}^2},$

Wherein, the value of i, j is the integer in [1, n], and i ≠ j.

Second step: calculate poor location between any two GPS locating module 101 away from, its formula is as follows,

$s_{ij}=2arcsin\sqrt{{\sin }^2\frac{a}{2}+cos\left(Lati\right)*cos\left(Latj\right)*{\sin }^2\frac{b}{2}}*6378.137,$

Wherein, a=Lati-Latj, b=Lungi-Lungj, i, the value of j are the integer in [1, n], and i ≠ j, 6378.137 For earth radius, unit is km.

The elements of a fix that GPS locating module 101 gathers are Gn (Latn, Lungn), n=1,2,3 ..., such as, G1 point longitude and latitude is (Lat1, Lung1), and G2 point longitude and latitude is (Lat2, Lung2), G3 point longitude and latitude be (Lat3, Lung3)。

3rd step: calculating offset parameter, its formula is as follows,

$p_{ij}=\frac{m_{ij}}{s_{ij}}.$

4th step: calculating the meansigma methods of multiple offset parameter as central point correcting parameter P, its formula is as follows,

$P=\frac{1}{n}{\mathrm{\Σp}}_{ij}.$

Being additionally provided with photographic head 108 on GPS position finder 1, photographic head 108 is used for shooting the pictorial information of grid equipment, and will Pictorial information sends to controller 105.In the present embodiment, photographic head 108 is the wide-angle imaging with auxiliary light function Head, has high sensitivity and quickly response, it is possible to work in multiple weather and multiple environment.

Being additionally provided with liquid crystal display 106 on main frame 102, liquid crystal display 106 electrically connects with controller 105, liquid crystal display 106 For showing the elements of a fix that each GPS locating module 101 gathers and the center point coordinate that controller 105 calculates, center Point correcting parameter.

Being additionally provided with power module 107 on main frame 102, power module 107 is for carrying to other modules of GPS position finder 1 For electric energy.

The data transmission scheme of a kind of GPS position finder that Fig. 2 provides for this utility model embodiment, as in figure 2 it is shown, GPS Locating module 101 gathers the elements of a fix of grid equipment, and is transmitted to controller 105 by data line 104.Control The elements of a fix that GPS locating module 101 is gathered by device 105 processed transmit to liquid crystal display 106, and liquid crystal display 106 is to often The elements of a fix that individual GPS locating module 101 gathers show.

Circuit distance-measurement module 103 measures the actual range between any two GPS locating module 101, and is transmitted To controller 105.

The elements of a fix that controller 105 gathers according to all of GPS locating module 101, circuit distance-measurement module 103 Actual distance calculation center point coordinate and central point between all of any two GPS locating module 101 measured correct ginseng Number, and the center point coordinate of gained, the transmission of central point correcting parameter will be calculated to liquid crystal display 106, liquid crystal display 106 Center point coordinate and central point correcting parameter to receiving show.

Photographic head 108 on GPS position finder 1 gathers the pictorial information of grid equipment, and is sent to controller 105.

The structural representation of a kind of alignment system that Fig. 3 provides for this utility model embodiment, as it is shown on figure 3, location system System includes GPS position finder 1 and the GIS unit 2 of communication connection, and center point coordinate, central point are corrected by GPS position finder 1 Parameter and pictorial information send to GIS unit 2.

GIS unit 2 receives center point coordinate, central point correcting parameter and pictorial information, and by center point coordinate, in Grid equipment is accurately positioned and accurate description by heart point correcting parameter and pictorial information, particularly as follows: GIS unit 2 connects Receive center point coordinate, central point correcting parameter that GPS position finder 1 sends, by central point correcting parameter, central point is sat Mark is modified, obtain and show grid equipment revised location data.Meanwhile, GIS unit 2 receives GPS The pictorial information that position finder 1 sends, and according to the profile of pictorial information display grid equipment.

GPS position finder and alignment system that this utility model embodiment provides are provided with multiple GPS locating module, can gather many The elements of a fix of group grid equipment, improve the elements of a fix and obtain probability.Meanwhile, GPS position finder can calculate many group location seat Target center point coordinate, central point correcting parameter, corrected center point coordinate by central point correcting parameter, obtain Position data more accurately, provide for electric power first-aid, trouble point analysis etc. and position reference accurately, for providing high-quality electricity Power, grid service lay the foundation.

For convenience of description, it is divided into various unit to be respectively described with function when describing apparatus above.Certainly, this is being implemented The function of each unit can be realized in same or multiple softwares and/or hardware during utility model.

It should be noted that in this article, such as the relational terms of " first " and " second " or the like be used merely to by One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or behaviour Relation or the order of any this reality is there is between work.And, term " includes ", " comprising " or it is any Other variants are intended to comprising of nonexcludability so that include the process of a series of key element, method, article or Equipment not only includes those key elements, but also includes other key elements being not expressly set out, or also includes for this mistake The key element that journey, method, article or equipment are intrinsic.In the case of there is no more restriction, by statement " including ... " The key element limited, it is not excluded that there is also other phase in including the process of described key element, method, article or equipment Same key element.

The above is only detailed description of the invention of the present utility model, makes to skilled artisans appreciate that or realize this reality With novel.Multiple amendment to these embodiments will be apparent to one skilled in the art, herein institute The General Principle of definition can realize in the case of without departing from spirit or scope of the present utility model in other embodiments. Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to disclosed herein Principle and the consistent the widest scope of features of novelty.

Claims (6)

1. a GPS position finder, it is characterised in that include main frame (102) and two or more GPS locating modules (101), described main frame (102) includes controller (105) and power module (107)；Each described GPS locating module (101) is connected with described controller (105) by a data transmission line (104), and described GPS locating module (101) is for gathering the elements of a fix of himself position；

Described data line (104) is provided with a circuit distance-measurement module (103), and described circuit distance-measurement module (103) is used for measuring the actual range described in any two between GPS locating module (101)；

The actual range that described controller (105) is measured for the elements of a fix gathered according to described GPS locating module (101), described circuit distance-measurement module (103) obtains center point coordinate and central point correcting parameter, wherein, described center point coordinate is the coordinate of central point of all described GPS locating modules (101).

GPS position finder the most according to claim 1, it is characterised in that described data line (104) is flexible data line.

GPS position finder the most according to claim 1, it is characterised in that be additionally provided with photographic head (108) on described GPS position finder (1), described photographic head (108) electrically connects with described controller (105).

GPS position finder the most according to claim 1, it is characterized in that, described each described GPS locating module (101) is connected with described controller (105) by a data transmission line (104), it is specially, described GPS locating module (101) is n with the quantity of described data line (104), n > 1, each described GPS locating module (101) is connected with described controller (105) by a data transmission line (104).

GPS position finder the most according to claim 1, it is characterized in that, liquid crystal display (106) it is additionally provided with on described main frame (102), described liquid crystal display (106) electrically connects with described controller (105), and described liquid crystal display (106) is used for showing the described elements of a fix, center point coordinate and central point correcting parameter.

6. an alignment system, it is characterized in that, including the GPS position finder (1) described in claim 1-5 any one and GIS unit (2), described GPS position finder (1) communicates to connect with described GIS unit (2), and described GPS position finder (1) is used for obtaining described center point coordinate, central point correcting parameter and gathering pictorial information and send to described GIS unit (2)；

Described GIS unit (2) is for positioning grid equipment according to described center point coordinate, central point correcting parameter and pictorial information and describing.