CN107817486A - A kind of precision ranging device based on UWB - Google Patents
A kind of precision ranging device based on UWB Download PDFInfo
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- CN107817486A CN107817486A CN201711053501.6A CN201711053501A CN107817486A CN 107817486 A CN107817486 A CN 107817486A CN 201711053501 A CN201711053501 A CN 201711053501A CN 107817486 A CN107817486 A CN 107817486A
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- uwb
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- microwave switch
- device based
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- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of precision ranging device based on UWB, the UWB signal adjusting module includes signal differential coupling unit, the first microwave switch unit, radiofrequency power amplification unit and the second microwave switch unit, the signal differential coupling unit is bi-directionally connected with the first microwave switch unit, the output end of the first microwave switch unit electrically connects with the input of radiofrequency power amplification unit, and the radiofrequency power amplification unit output end electrically connects with the input of the second microwave switch unit.The present invention has that simple and compact for structure, cost is cheap, ranging can be realized based on UWB, and range accuracy height, the advantages of measurement range is wide.
Description
Technical field
The present invention relates to technical field, more particularly to a kind of precision ranging device based on UWB.
Background technology
With data service and the quick increase of multimedia service, people increasingly increase the demand for positioning with navigating, especially
It is in the indoor environment of complexity, such as airport hall, exhibition room, warehouse, supermarket, library, underground parking and mine, often
Often it needs to be determined that mobile terminal or its holder, the positional information of facility and article indoors.It is main currently for positioning distance measuring
Comprising ultrasonic measuring distance technology, bluetooth ranging technology, radio frequency identification ranging technology, Wi-Fi ranging technologies etc., but each is positioned
Distance measuring method is respectively provided with certain limitation, and wherein ultrasonic wave is very big due to being influenceed by multipath effect and non-line-of-sight propagation, simultaneously
Substantial amounts of bottom hardware facility investment is needed, thus the ranging technology cost based on ultrasonic wave is very high；In bluetooth ranging technology
Bluetooth devices, the price of equipment are typically more expensive, and poor to the adaptability of complex space environment, easily by noise signal
Interference；The operating distance of radio frequency identification ranging technology is short, and it does not have communication capacity, and is not easy to be incorporated into other function systems
Among；In Wi-Fi ranging technologies, because transceiver is typically only capable to the region within 90 meters of covering radius, thus it is highly susceptible to
The interference of other signals and influence precision, its energy consumption is generally also higher.
UWB（Ultra Wide Band, ultra wide band）Technology as it is a kind of it is brand-new, have with conventional communication techniques it is very big poor
Different New Communication Technology, it need not use the carrier wave in traditional communication system, by sending and receiving with nanosecond or nanosecond
Ultra-narrow pulse below level transmits data, so as to the bandwidth with GHz magnitudes.Radio ultra wide band system and traditional narrowband systems phase
Than having that penetration power is strong, low in energy consumption, anti-multipath effect is good, safe, system complexity is low, can provide and is accurately positioned precision
Etc. a variety of advantages, thus it is highly suitable for carrying out positioning distance measuring to static or mobile object, people in indoor environment.But UWB skills
For art as a kind of short-range communication, the transmission range of its signal is shorter and poor anti jamming capability, thus is answered
During with carrying out positioning distance measuring, sphere of action is shorter.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of precision ranging device based on UWB, has that simple and compact for structure, cost is cheap, can be based on
The advantages of UWB realizes ranging, and range accuracy is high, measurement range is wide..
A kind of precision ranging device based on UWB according to embodiments of the present invention, including main control unit, fiber optical transceiver,
UWB modules, UWB antennas, wireless module, power module and UWB signal adjusting module, the input and power supply of the main control unit
Module and the output end of wireless module are electrically connected, and fiber optical transceiver, the optical fiber are provided between main control unit and the UWB module
It is to be bi-directionally connected between transceiver and main control unit and UWB modules, output end and the UWB signal adjustment mould of the UWB modules
The input electrical connection of block, the UWB signal adjusting module are bi-directionally connected with UWB antennas.
In some embodiments of the invention, the UWB signal adjusting module includes signal differential coupling unit, first micro-
Ripple switch element, radiofrequency power amplification unit and the second microwave switch unit, the signal differential coupling unit and the first microwave
Switch element is bi-directionally connected, and the output end of the first microwave switch unit and the input of radiofrequency power amplification unit are electrically connected
Connect, the radiofrequency power amplification unit output end electrically connects with the input of the second microwave switch unit.
In other embodiments of the present invention, the fiber optical transceiver is multimode fibre transceiver.
In other embodiments of the present invention, the signal differential coupling unit is balun converter.
In other embodiments of the present invention, the UWB antennas are omnidirectional antenna.
Beneficial effect in the present invention is：Precision ranging device of the invention based on UWB, is realized by UWB modules and is based on
The distance measurement function of UWB technology, thus the measurement accuracy under complex environment is high, the cost with UWB systems is low, penetration power is strong,
Low in energy consumption, a variety of advantages such as anti-multipath effect is good, safe, system complexity is low, while by UWB signal adjusting module pair
UWB signal caused by UWB modules carries out the adjustment of differential coupling and radio-frequency power amplification, can effectively improve UWB signal
Antijamming capability and transmission range, so as to while UWB systematic functions are ensured, realize the UWB rangings of wide coverage simultaneously
Further improve range accuracy.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural schematic block diagram of the precision ranging device based on UWB proposed by the present invention；
Fig. 2 is a kind of UWB signal adjusting module structural schematic block diagram of the precision ranging device based on UWB proposed by the present invention.
In figure：1- main control units, 2- fiber optical transceivers, 3-UWB modules, 31- signal differentials coupling unit, 32- first are micro-
Ripple switch element, 33- radiofrequency power amplification units, the second microwave switches of 34- unit, 4-UWB antennas, 5- wireless modules, 6- electricity
Source module, 7-UWB signal adjusting modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or with same or like function element.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the present invention, and it is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Reference picture 1-2, a kind of precision ranging device based on UWB, including main control unit 1, fiber optical transceiver 2, UWB modules
3rd, UWB antennas 4, wireless module 5, power module 6 and UWB signal adjusting module 7, the input and power supply of the main control unit 1
Module 6 and the electrical connection of the output end of wireless module 5, are provided with fiber optical transceiver 2, institute between the main control unit 1 and UWB modules 3
It is to be bi-directionally connected to state between fiber optical transceiver 2 and main control unit 1 and UWB modules 3, the output end and UWB of the UWB modules 3
The input electrical connection of signal adjusting module 7, the UWB signal adjusting module 7 and UWB antennas are bi-directionally connected；The UWB signal
It is micro- that adjusting module includes signal differential coupling unit 31, the first microwave switch unit 32, radiofrequency power amplification unit 33 and second
Ripple switch element 34, the signal differential coupling unit 31 are bi-directionally connected with the first microwave switch unit 32, first microwave
The output end of switch element 32 electrically connects with the input of radiofrequency power amplification unit 33, and the radiofrequency power amplification unit 33 is defeated
Go out end to electrically connect with the input of the second microwave switch unit 34；The fiber optical transceiver 2 is multimode fibre transceiver；The letter
Number differential coupling unit 31 is balun converter；The UWB antennas 4 are omnidirectional antenna.
Precision ranging device of the invention based on UWB, the distance measurement function based on UWB technology is realized by UWB modules 3, because
And the measurement accuracy under complex environment is high, the cost with UWB systems is low, penetration power is strong, low in energy consumption, anti-multipath effect is good,
Safe, a variety of advantages such as system complexity is low, while as UWB signal adjusting module 7 to UWB signal caused by UWB modules 3
The adjustment of differential coupling and radio-frequency power amplification is carried out, the antijamming capability and transmission distance of UWB signal can be effectively improved
From so as to while UWB systematic functions are ensured, realize the UWB rangings of wide coverage and further improve range accuracy.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
- A kind of 1. precision ranging device based on UWB, it is characterised in that：Including main control unit, fiber optical transceiver, UWB modules, UWB antennas, wireless module, power module and UWB signal adjusting module, input and power module and the nothing of the main control unit The output end electrical connection of wire module, is provided with fiber optical transceiver between main control unit and the UWB module, the fiber optical transceiver and It is to be bi-directionally connected between main control unit and UWB modules, the output end of the UWB modules and the input of UWB signal adjusting module End electrical connection, the UWB signal adjusting module are bi-directionally connected with UWB antennas.
- A kind of 2. precision ranging device based on UWB according to claim 1, it is characterised in that：The UWB signal adjustment Module includes signal differential coupling unit, the first microwave switch unit, radiofrequency power amplification unit and the second microwave switch unit, The signal differential coupling unit is bi-directionally connected with the first microwave switch unit, the output end of the first microwave switch unit with The input electrical connection of radiofrequency power amplification unit, the radiofrequency power amplification unit output end and the second microwave switch unit Input electrically connects.
- A kind of 3. precision ranging device based on UWB according to claim 1, it is characterised in that：The fiber optical transceiver For multimode fibre transceiver.
- A kind of 4. precision ranging device based on UWB according to claim 1, it is characterised in that：The signal differential coupling Conjunction unit is balun converter.
- A kind of 5. precision ranging device based on UWB according to claim 1, it is characterised in that：The UWB antennas are complete To antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711053501.6A CN107817486A (en) | 2017-10-30 | 2017-10-30 | A kind of precision ranging device based on UWB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711053501.6A CN107817486A (en) | 2017-10-30 | 2017-10-30 | A kind of precision ranging device based on UWB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107817486A true CN107817486A (en) | 2018-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711053501.6A Withdrawn CN107817486A (en) | 2017-10-30 | 2017-10-30 | A kind of precision ranging device based on UWB |
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| CN (1) | CN107817486A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415025A (en) * | 2018-05-10 | 2018-08-17 | 成都九壹通智能科技股份有限公司 | The system for carrying out two-way flight time ranging and communication based on wireless pulses radiofrequency signal |
| CN108545099A (en) * | 2018-05-07 | 2018-09-18 | 成都九壹通智能科技股份有限公司 | Traveler guiding system based on train exact position |
| CN108639109A (en) * | 2018-05-07 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Subway train high-precision dot positioning system |
| CN108646214A (en) * | 2018-05-10 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Range-measurement system based on customed ranging protocol |
-
2017
- 2017-10-30 CN CN201711053501.6A patent/CN107817486A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545099A (en) * | 2018-05-07 | 2018-09-18 | 成都九壹通智能科技股份有限公司 | Traveler guiding system based on train exact position |
| CN108639109A (en) * | 2018-05-07 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Subway train high-precision dot positioning system |
| CN108415025A (en) * | 2018-05-10 | 2018-08-17 | 成都九壹通智能科技股份有限公司 | The system for carrying out two-way flight time ranging and communication based on wireless pulses radiofrequency signal |
| CN108646214A (en) * | 2018-05-10 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Range-measurement system based on customed ranging protocol |
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| PB01 | Publication | ||
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Application publication date: 20180320 |