CN106093968A - A kind of portable handheld terminal based on GNSS Yu laser ranging - Google Patents

A kind of portable handheld terminal based on GNSS Yu laser ranging Download PDF

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Publication number
CN106093968A
CN106093968A CN201610375825.0A CN201610375825A CN106093968A CN 106093968 A CN106093968 A CN 106093968A CN 201610375825 A CN201610375825 A CN 201610375825A CN 106093968 A CN106093968 A CN 106093968A
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CN
China
Prior art keywords
gnss
laser ranging
module
microprocessor
handheld terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610375825.0A
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Chinese (zh)
Inventor
吴志露
刘焱雄
何秀凤
肖儒雅
陈运
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohai University HHU
First Institute of Oceanography SOA
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Hohai University HHU
First Institute of Oceanography SOA
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Publication date
Application filed by Hohai University HHU, First Institute of Oceanography SOA filed Critical Hohai University HHU
Priority to CN201610375825.0A priority Critical patent/CN106093968A/en
Publication of CN106093968A publication Critical patent/CN106093968A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/46—Indirect determination of position data
    • G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

The invention discloses a kind of portable handheld terminal based on GNSS Yu laser ranging, including housing and the range unit being arranged in housing hollow, described housing is T-shape, including the main body of horizontal direction and the handle that is vertically tilted to the left, the parallel above of main body is provided with gun sight, described range unit includes GNSS receiver module, microprocessor and is arranged on the laser ranging module of body front end, wherein, the outfan of GNSS receiver module connects microprocessor, for receiving GNSS satellite signal to determine the coordinate measuring point；The outfan of laser ranging module connects microprocessor, for measuring the distance measured between point and impact point；Microprocessor according to measure point coordinate and and impact point between distance obtain impact point coordinate.The present invention makes to be achieved with the more accurate coordinate information of target without direct contact target during user's operation in the wild, improves working performance, reduces work difficulty.

Description

A kind of portable handheld terminal based on GNSS Yu laser ranging
Technical field
The present invention relates to a kind of be applied to field portable quick obtaining coordinates of targets information based on GNSS and laser ranging Portable handheld terminal, belong to technical field of mapping.
Background technology
GNSS handheld terminal has high accuracy, round-the-clock, high efficiency, the feature such as multi-functional, portable, easy and simple to handle, mesh Before be used widely when investigating in the wild.But in the wild during operation, when running into target and being difficult to reach to obtain target, as measured During a certain plot of reef at the stone on hillside or sea, hand-held GNSS receiver is difficult to play a role, and can only measure by other Means, such as aerial survey etc., relatively time-consuming arduously；Can bring to the personal safety of staff additionally, go to measure these targets by force Certain threat.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that a kind of based on GNSS and laser ranging just Taking formula handheld terminal, solving GNSS receiver in prior art cannot the technical problem of telemeasurement coordinates of targets.
For solving above-mentioned technical problem, the invention provides a kind of whole with the portable hand-held of laser ranging based on GNSS End, is characterized in that, including housing and the range unit being arranged in housing hollow, described housing is T-shape, including horizontal direction Main body and the handle that vertically tilts to the back-end, the parallel above gun sight that is provided with of main body, described range unit includes GNSS Receiver module, microprocessor and be arranged on the laser ranging module of body front end, wherein,
The outfan of GNSS receiver module connects microprocessor, for receiving GNSS satellite signal to determine the seat measuring point Mark；
The outfan of laser ranging module connects microprocessor, for measuring the distance measured between point and impact point；
Microprocessor according to measure point coordinate and and impact point between distance obtain impact point coordinate.
Further, also include power module, power module output power supply to GNSS receiver module, microprocessor and Laser ranging module, described power module is arranged in the cavity of handle.
Further, also including display module, the input of display module connects microprocessor, and display module is display Device, described display is arranged on the rear end of main body.
Further, also including memory module, memory module connects microprocessor.
Further, described GNSS receiver module includes being sequentially connected in series GNSS reception antenna, preamplifier, converter With the signal processing circuit for amplifying Filtering Processing, the outfan of signal processing circuit connects microprocessor.
Further, also including GPRS wireless communication module, the outfan of GPRS wireless communication module connects microprocessor, For receive from CORS station or base station GNSS difference information with revise measure point coordinate；GPRS wireless communication module bag Including communication antenna, GPRS module and SIM card holder, communication antenna connects GPRS module, and GPRS module is placed in SIM card holder, SIM Deck connects microprocessor.
Further, described laser ranging module includes generating laser, described generating laser is provided with corresponding its " switching " button of function, described button is positioned at the upper front end of handle.
Compared with prior art, the present invention is reached to provide the benefit that: when the present invention makes user's operation in the wild without Directly contact target is achieved with the more accurate coordinate information of target, improves working performance, reduces work difficulty.
Accompanying drawing explanation
Fig. 1 is the structural representation of handheld terminal of the present invention；
Fig. 2 is the principle assumption diagram of range unit of the present invention；
Fig. 3 is the instrumentation plan of one embodiment of the invention.
Reference: 1, GNSS reception antenna；2, preamplifier；3, converter；4, signal processing circuit；5, micro-process Device；6, generating laser；7, beam splitter；8, illuminator；9, detector；10, preamplifier；11, main amplifier；12, door electricity Road；13, clock oscillator；14, enumerator；15, display；16, memory module；17, power module；18, communication antenna；19、 GPRS module；20, SIM card holder；21, button；22, gun sight.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating the present invention Technical scheme, and can not limit the scope of the invention with this.
As depicted in figs. 1 and 2, a kind of based on GNSS with laser ranging portable handheld terminal (letter below of the present invention Claim " handheld terminal "), it is characterized in that, including housing and the range unit being arranged in housing hollow, described housing is T-shape, Main body and the vertical handle tilted to the back-end, the parallel above gun sight 22 that is provided with of main body, described survey including horizontal direction Include GNSS receiver module, microprocessor 5 away from device and be arranged on the laser ranging module of body front end, wherein,
The outfan of GNSS receiver module connects microprocessor 5, measures point for receiving GNSS satellite signal to determine Coordinate；
The outfan of laser ranging module connects microprocessor 5, for measuring the distance measured between point and impact point；
Microprocessor 5 according to measure point coordinate and and impact point between distance obtain impact point coordinate.
The principle of the present invention be by three times obtain measure point coordinate and and impact point between distance, three-dimensional sit Mark system calculates the coordinate obtaining impact point, makes to be achieved with target more without direct contact target during user's operation in the wild Accurate coordinate information, improves working performance, reduces work difficulty；T-shaped being additionally provided with of the housing of handheld terminal is easy to user's hands The handle held, volume the little user of being easy to carry.
Further, power module 17, power module 17 output power supply to GNSS receiver module, micro-process are also included Device 5 and laser ranging module, as it is shown in figure 1, described power module 17 is arranged in the cavity of handle.Power module can use existing There is the power supply product of energy-conservation low-power consumption in technology.Power supply product is arranged in the cavity of handle, by high voltage power supply and main body Range unit electronic chip is isolated, and reduces electromagnetic interference；And power supply can increase the weight of handle portion, it is possible to keep T-shaped The stationarity of housing.When power module uses battery, it is arranged on handle position and is conveniently replaceable battery, if power supply product is for filling During electricity battery, it is arranged on handle position and also allows for opening the lower end of handle and utilize charging inlet to be charged for rechargeable battery.
Further, also including display module, the input of display module connects microprocessor, and display module is display 15, as it is shown in figure 1, described display 15 is arranged on the rear end of main body.Display module measures point and the seat of impact point for showing Mark information, is arranged on the rear end of main body, it is simple to user directly observes, and display module can use LCD display in prior art, Touch screen in prior art can also be used.
Further, also include that memory module 16, memory module 16 connect microprocessor 5.Memory module 16 is used for storing The coordinate information measured, it is simple to consulting the coordinate information of each impact point after user, memory module 16 can use existing skill The memorizer of art, it is also possible to SD storage card or employing portable hard drive.
Further, microprocessor can select the single-chip microcomputer or FPGA that in prior art, disposal ability is the most low in energy consumption.
Further, also including GPRS wireless communication module, the outfan of GPRS wireless communication module connects microprocessor 5, it is used for the reception GNSS difference information from CORS station or base station to revise the coordinate of measurement；GPRS wireless communication module Including communication antenna 18, GPRS module 19 and SIM card holder 20, communication antenna 18 connects GPRS module 19, and GPRS module 19 is placed In SIM card holder 20, SIM card holder 20 connects microprocessor, obtains base station or CORS (satellite by GPRS communication module Position service CORS) difference information broadcast, difference information includes that satellite orbital error corrects, atmospheric effect corrects Etc. information, difference information exporting microprocessor, microprocessor, according to difference information correction GNSS satellite signal, obtains more accurate True measurement point coordinates, wherein utilizes differential signal correction GNSS satellite signal to belong to prior art.
Further, described GNSS receiver module includes being sequentially connected in series GNSS reception antenna 1, preamplifier 2, frequency conversion Device 3 and for amplifying the signal processing circuit 4 of Filtering Processing, the outfan of signal processing circuit 4 connects microprocessor.GNSS connects Receive antenna 1 and the faint energy from satellite is converted into the corresponding magnitude of current, by preamplifier 2, GNSS satellite signal is added To amplify, signal by the intermediate-freuqncy signal that high frequency satellite-signal frequency conversion is low one or two rank, is led to by converter 3 finally by signal Road 4 signal is carried out further frequency conversion, amplify, a series of process such as filtering, it is achieved to the tracking of GNSS signal, lock, measure, The data message calculating position (measurement point) is provided.
Further, described laser ranging module includes laser emitting portion: generating laser 6, beam splitter 7, illuminator 8；Laser pick-off part: detector 9, preamplifier 10, main amplifier 11；And signal processing: gate circuit 12, clock shakes Swing device 13, enumerator 14.During system range finding, laser pulse signal launched by generating laser 6, and clock oscillator 13 constantly produces tool There is the calibration pulse signal T of intervals0, enumerator 14 starts timing, and laser is divided into two parts by beam splitter 7, and one Part is launched to target object reflection, and a part is launched by illuminator 8, and two parts light is finally all received by detector 9, by mould Intend signal and become the signal of telecommunication, the signal of telecommunication by preamplifier 10 and main amplifier 11 amplify shaping laggard enter microprocessor, door Circuit 12 is closed, and timer 14 stops timing.It is multiplied with pulse number by clock pulse time interval, it is simply that main ripple and echo Time interval, just obtain find range distance.
Further, described generating laser is provided with corresponding its and " switchs " button 21 of function, as it is shown in figure 1, institute State button 21 and be positioned at the upper front end of handle.When needs use laser measurement module to carry out range measurement, press the button 21, i.e. Generating laser can be opened and carry out laser distance measurement.
Handheld terminal is compared traditional GNSS receiver and is compared, and can measure distant object, and this is GNSS conventional hand machine Not available, significantly widen the range of application of handheld terminal；Simultaneously with general measure mode, compare such as total powerstation etc., hands Hold terminal and possess again that volume is little, power is low, portable feature.Handset designs becomes T-shape, grasps when being convenient for measuring, with Time be furnished with again gun sight, whole measurement process is general with shooting, and process is simple, efficiently.The LED display that the present invention is equipped with simultaneously Position and measured target point can be shown in real time.To sum up, the present invention collects location and distance measurement function one, and still keeps GNSS hand-held The portability feature of machine, can reduce operating personnel's work difficulty during field work, improve work efficiency.
Embodiment one
As it is shown on figure 3, with from measurement mountain top, foot of the hill point T as practical measuring examples, as shown in Figure 3.For obtaining T (Xt,Yt,Zt) sit Mark, at least needs to carry out aiming at range finding in three differences, therefore respectively at the some P that three distributions are relatively uniform0、P1、P2Enterprising Row aims to be measured, and when measuring, aims at same point by gun sight 22 every time, presses the button 21 and carry out laser measurement, respectively obtain Distance L0、L1、L2.Measuring point coordinates for three to be obtained by GNSS receiver module, if difference information can be received, handheld terminal is measured The coordinate of point is modified by differential signal；If no, the most only carrying out GNSS One-Point Location.It is derived from three and measures point coordinates P0(X0,Y0,Z0)、P1(X1,Y1,Z1)、P2(X2,Y2,Z2).Then can be obtained T point by below equation:
( X 0 - X t ) 2 + ( Y 0 - Y t ) 2 + ( Z 0 - Z t ) 2 = L 0 2 ( X 1 - X t ) 2 + ( Y 1 - Y t ) 2 + ( Z 1 - Z t ) 2 = L 1 2 ( X 2 - X t ) 2 + ( Y 2 - Y t ) 2 + ( Z 2 - Z t ) 2 = L 1 2
The present invention makes to be achieved with the more accurate coordinate letter of target without direct contact target during user's operation in the wild Breath, improves working performance, reduces work difficulty.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and modification, these improve and modification Also should be regarded as protection scope of the present invention.

Claims (7)

1. a portable handheld terminal based on GNSS Yu laser ranging, is characterized in that, including housing with to be arranged on housing empty The range unit of intracavity, described housing is T-shape, including main body and the vertical handle tilted to the back-end, the main body of horizontal direction The parallel above gun sight that is provided with, described range unit includes GNSS receiver module, microprocessor and is arranged on body front end Laser ranging module, wherein,
The outfan of GNSS receiver module connects microprocessor, for receiving GNSS satellite signal to determine the coordinate measuring point；
The outfan of laser ranging module connects microprocessor, for measuring the distance measured between point and impact point；
Microprocessor according to measure point coordinate and and impact point between distance obtain impact point coordinate.
A kind of portable handheld terminal based on GNSS Yu laser ranging the most according to claim 1, is characterized in that, also wrap Include power module, power module output power supply to GNSS receiver module, microprocessor and laser ranging module, described power supply Module is arranged in the cavity of handle.
A kind of portable handheld terminal based on GNSS Yu laser ranging the most according to claim 1, is characterized in that, also wrap Including display module, the input of display module connects microprocessor, and display module is display, and described display is arranged on main body Rear end.
A kind of portable handheld terminal based on GNSS Yu laser ranging the most according to claim 1, is characterized in that, also wrap Including memory module, memory module connects microprocessor.
A kind of portable handheld terminal based on GNSS Yu laser ranging the most according to claim 1, is characterized in that, described GNSS receiver module includes the GNSS reception antenna being sequentially connected in series, preamplifier, converter and for amplifying Filtering Processing Signal processing circuit, the outfan of signal processing circuit connects microprocessor.
A kind of portable handheld terminal based on GNSS Yu laser ranging the most according to claim 1, is characterized in that, also wrap Including GPRS wireless communication module, the outfan of GPRS wireless communication module connects microprocessor 5, for receiving from CORS station or The GNSS difference information of person base station measures the coordinate of point to revise.
A kind of portable handheld terminal based on GNSS Yu laser ranging the most according to claim 1, is characterized in that, described Laser ranging module includes generating laser, described generating laser is provided with corresponding its and " switchs " button of function, described Button is positioned at the upper front end of handle.
CN201610375825.0A 2016-05-31 2016-05-31 A kind of portable handheld terminal based on GNSS Yu laser ranging Pending CN106093968A (en)

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Cited By (3)

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CN113050137A (en) * 2021-03-09 2021-06-29 江西师范大学 Multi-point cooperative measurement spatial information acquisition method
CN116721237A (en) * 2023-06-09 2023-09-08 北京优贝卡科技有限公司 House type wall editing method, device, equipment and storage medium

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CN108152838A (en) * 2017-12-15 2018-06-12 中国航空工业集团公司洛阳电光设备研究所 It is a kind of that the device and method for measuring target location are taken aim at based on sight
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CN116721237A (en) * 2023-06-09 2023-09-08 北京优贝卡科技有限公司 House type wall editing method, device, equipment and storage medium

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Application publication date: 20161109