CN107643517A - A kind of point-to-point precision distance measurement system based on UWB ranging technologies - Google Patents
A kind of point-to-point precision distance measurement system based on UWB ranging technologies Download PDFInfo
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- CN107643517A CN107643517A CN201711066229.5A CN201711066229A CN107643517A CN 107643517 A CN107643517 A CN 107643517A CN 201711066229 A CN201711066229 A CN 201711066229A CN 107643517 A CN107643517 A CN 107643517A
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Abstract
The invention discloses a kind of point-to-point precision distance measurement system based on UWB ranging technologies, including：UWB range finder modules, UWB signal adjusting module, transmitting antenna module, the UWB range finder modules include UWB signal transmitter, UWB signal produces crystal oscillator, UWB signal receiver, signal processor, the UWB signal transmitter produces crystal oscillator by UWB signal and is connected with UWB signal adjusting module signal, and the UWB signal receiver is connected with signal processor signal.The present invention is simple and compact for structure, cost is cheap, ranging can be realized based on UWB, and range accuracy is high, measurement range is wide.
Description
Technical field
The present invention relates to positioning distance measuring technical field, more particularly to a kind of point-to-point high accuracy based on UWB ranging technologies
Range-measurement system.
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（UltraWideBand, ultra wide band）Technology as it is a kind of it is brand-new, have huge difference with conventional communication techniques
New Communication Technology, it need not use traditional communication system in carrier wave, by sending and receiving with nanosecond or nanosecond
Following ultra-narrow pulse 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 point-to-point precision distance measurement system based on UWB ranging technologies, simple and compact for structure, cost is low
It is honest and clean, can realize ranging based on UWB, and range accuracy is high, measurement range is wide.
A kind of point-to-point precision distance measurement system based on UWB ranging technologies according to embodiments of the present invention, its feature exist
In：Including：UWB range finder modules, UWB signal adjusting module, transmitting antenna module, the UWB range finder modules are sent out including UWB signal
Emitter, UWB signal produce crystal oscillator, UWB signal receiver, signal processor, and the UWB signal transmitter is produced by UWB signal
Raw crystal oscillator is connected with UWB signal adjusting module signal, and the UWB signal receiver is connected with signal processor signal；
The UWB signal adjusting module includes the signal differential coupling unit and radio-frequency power amplifier being connected with each other, described
UWB signal caused by UWB signal transmitter is through the signal differential coupling unit, radio-frequency power amplifier in UWB range finder modules
After being adjusted, it is transmitted by transmitting antenna module, wherein, the signal differential coupling unit, radio-frequency power amplifier
Between be provided with the first microwave inductive switch, the first microwave inductive switch control signal differential coupling unit is put with radio-frequency power
Signal connection status between big device, the output end of the radio-frequency power amplifier is additionally provided with the second microwave inductive switch, described
The signal that radio-frequency power amplifier amplifies is transferred to transmitting antenna module by the second microwave inductive switch.
The range-measurement system also includes a power module, and the UWB range finder modules, UWB signal adjusting module are provided with corresponding
The power interface of each power module, each power module connect the UWB rangings mould by corresponding power interface
Block, UWB signal adjusting module.
The range-measurement system also includes communication module, and the communication module is connected with the UWB range finder modules wire signal.
In some embodiments of the invention, the signal differential coupling unit is balun converter.
In some embodiments of the invention, antenna is omnidirectional antenna in the transmitting antenna module.
In some embodiments of the invention, the communication module includes USB module and serial port module.
In other embodiments of the present invention, the communication module output end is provided with data storage module, the communication
Module is used to the data that UWB range finder modules measure being sent to data storage module.
Compared with prior art, beneficial effects of the present invention：Precision distance measurement device of the invention based on UWB radio,
Including UWB range finder modules, UWB signal adjusting module and transmitting antenna module, realized by UWB range finder modules and be based on UWB skills
The distance measurement function of art, thus the measurement accuracy under complex environment is high, the cost with UWB systems is low, penetration power is strong, power consumption
Low, a variety of advantages such as anti-multipath effect is good, safe, system complexity is low, while UWB is surveyed by UWB signal adjusting module
The adjustment of differential coupling and radio-frequency power amplification is carried out away from UWB signal caused by module, the anti-of UWB signal can be effectively improved
Interference performance and transmission range, so as to while UWB systematic functions are ensured, realize that the UWB rangings of wide coverage are gone forward side by side
One step improves 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 representation of the point-to-point precision distance measurement system based on UWB ranging technologies proposed by the present invention.
In figure：1st, UWB range finder modules；11st, UWB signal transmitter；12nd, UWB signal produces crystal oscillator；13rd, UWB signal receives
Device；14th, UWB signal processor；2nd, UWB signal adjusting module；21st, signal differential coupling unit；22nd, the first microwave sense switchs；
23rd, radio-frequency power amplifier；24th, the second microwave inductive switch；3rd, transmitting antenna module；4th, power module；5th, communication module；
51st, USB module；52nd, serial port module；6th, data storage module.
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.
A kind of as shown in figure 1, point-to-point precision distance measurement system based on UWB ranging technologies, it is characterised in that：Including：
UWB range finder modules 1, UWB signal adjusting module 2, transmitting antenna module 3, the UWB range finder modules 1 include UWB signal transmitter
11st, UWB signal produces crystal oscillator 12, UWB signal receiver 13, signal processor 14, and the UWB signal transmitter 11 passes through UWB
Signal produces crystal oscillator 12 and is connected with the signal of UWB signal adjusting module 2, and the UWB signal receiver 13 is believed with signal processor 14
Number connection；
The UWB signal adjusting module 2 includes the signal differential coupling unit 21 and radio-frequency power amplifier 23 being connected with each other,
UWB signal caused by UWB signal transmitter 11 is through the signal differential coupling unit 21, radio frequency work(in the UWB range finder modules 1
After rate amplifier 23 is adjusted, it is transmitted by transmitting antenna module 3, wherein, the signal differential coupling unit 21, penetrate
The first microwave inductive switch 22, the control signal difference coupling of the first microwave inductive switch 22 are provided between frequency power amplifier 23
The signal connection status between unit and radio-frequency power amplifier 23 is closed, the output end of the radio-frequency power amplifier 23 is additionally provided with
The signal that radio-frequency power amplifier 23 amplifies is transferred to hair by the second microwave inductive switch 24, second microwave inductive switch 24
Penetrate Anneta module 3.
The range-measurement system also includes power module 4, and the UWB range finder modules 1, UWB signal adjusting module 2 are provided with pair
The power interface of each power module 4 is answered, each power module 4 connects the UWB by corresponding power interface and surveyed
Away from module 1, UWB signal adjusting module 2.
The range-measurement system also includes communication module 5, and the communication module 5 connects with the wire signal of UWB range finder modules 1
Connect.
Preferably, the signal differential coupling unit 21 is balun converter.
Preferably, antenna is omnidirectional antenna in the transmitting antenna module 3.
Preferably, the communication module 5 includes USB module 51 and serial port module 52.
Preferably, the output end of communication module 5 is provided with data storage module 6, and the communication module 5 is used to survey UWB
The data measured away from module 1 are sent to data storage module 6.
The present embodiment realizes the distance measurement function based on UWB technology by UWB range finder modules 1, thus under complex environment
Measurement accuracy is high, and the cost with UWB systems is low, penetration power is strong, low in energy consumption, anti-multipath effect is good, safe, system complex
Low a variety of advantages are spent, while differential coupling is carried out to UWB signal caused by UWB range finder modules 1 as UWB signal adjusting module 2
And the adjustment of radio-frequency power amplification, the antijamming capability and transmission range of UWB signal can be effectively improved, so as to ensure
While UWB systematic functions, realize the UWB rangings of wide coverage and further improve range accuracy.Using said structure, go back
Can easily it be integrated into other systems for needing to realize distance measurement function.
In the present embodiment, signal differential coupling unit 21 specifically uses balun converter, by balun converter by UWB signal
Differential coupling is carried out, differential signal is switched to by single-ended UWB signal, it is anti-dry in transmission can further to improve UWB signal
Disturb ability.
In the present embodiment, UWB signal adjusting module 2 is also including being connected to signal differential coupling unit 21, radio-frequency power is put
The first microwave inductive switch 22 between big device 23.First microwave inductive switch 22 is controlled by controlling microwave signal channels to change
UWB signal after conversion is carried out power amplification by radio-frequency power amplifier 23 processed.It is similar with single-pole single-throw switch (SPST) principle, microwave
The approximate impedance operator being turned on or off is presented with PIN pipes in switch under the positive and negative bias of direct current, and the present embodiment is opened using microwave
The impedance operator closed realizes the effect of control microwave signal channels conversion, to control radio-frequency power amplifier 23 to UWB signal
Carry out the adjustment of power amplification.By microwave switch can also and ECL（Emitter-CoupledLogic, emitter-base bandgap grading differential coupling
Logic）Compatibility, the joint of microwave switch is using SMA series.
In the present embodiment, UWB signal adjusting module 2 also includes being connected to the second of the output end of radio-frequency power amplifier 23
Microwave inductive switch 24, respectively by the first microwave inductive switch 22, the second microwave inductive switch 24 to radio-frequency power amplifier 23
Cut-offfing for input, output end be controlled.Radio-frequency power amplifier 23 is specifically carried out the signal after microwave switch
Power amplification, then SMA ends are transmitted a signal to after microwave switch, signal is launched finally by transmitting antenna module 3.
In the present embodiment, antenna is omnidirectional antenna in transmitting antenna module 3.Antenna is specially complete in transmitting antenna module 3
To printed circuit board antenna, all directions can be sent the signal to by omnidirectional's printed circuit board antenna, and omnidirectional antenna
Compact structure, it is easily integrated on circuit boards, can make it that the structure of whole range-measurement system is compacter.Antenna efficiency with it is following
Two factor correlations：1）Whether the impedance of prevention at radio-frequency port and antenna port matches；2）The efficiency of antenna in itself, usual antenna size
Bigger, radiation efficiency is higher.The prevention at radio-frequency port of antenna and antenna port impedance are 50 Europe in the present embodiment transmitting antenna module 3
Nurse, to facilitate the connection between module, and the size of omnidirectional's printed circuit board antenna is big compared with ceramic antenna, thus with higher
Antenna efficiency, it is ensured that the precision and measurement range of range-measurement system.
In the present embodiment, UWB range finder modules 1 include UWB signal generation and receiving unit 11, UWB signal processor 14,
UWB signal produces and receiving unit 11 includes signal and produces crystal oscillator, signal receiving circuit and signal transmission circuit, signal transmitting
Circuit produces crystal oscillator by signal and is connected with UWB signal adjusting module 2, and signal receiving circuit is connected with UWB signal processor 14.
In the present embodiment, in addition to multiple power modules 4, UWB range finder modules 1 are provided with the electricity of corresponding each power module 4
Source interface, each power module 4 connect UWB range finder modules 1 by corresponding power interface, realize a variety of power supply modes.This implementation
Example UWB range finder modules 1 specifically have USB interface and DC dc power interfaces.
In the present embodiment, in addition to the communication module 5 being connected with UWB range finder modules 1, UWB range finder modules 1 pass through the mould that communicates
Block 5 can enter row data communication with outside.Communication module 5 specifically includes USB module 51 and serial port module 52, to realize respectively
Usb communication mode and serial communication mode.
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. point-to-point precision distance measurement system based on UWB ranging technologies, it is characterised in that：Including：UWB range finder modules, UWB signal adjusting module, transmitting antenna module, the UWB range finder modules include UWB signal transmitter, UWB signal produces crystalline substance Shake, UWB signal receiver, signal processor, the UWB signal transmitter produces crystal oscillator by UWB signal and adjusted with UWB signal Module by signal is connected, and the UWB signal receiver is connected with signal processor signal；The UWB signal adjusting module includes the signal differential coupling unit and radio-frequency power amplifier being connected with each other, described UWB signal caused by UWB signal transmitter is through the signal differential coupling unit, radio-frequency power amplifier in UWB range finder modules After being adjusted, it is transmitted by transmitting antenna module, wherein, the signal differential coupling unit, radio-frequency power amplifier Between be provided with the first microwave inductive switch, the first microwave inductive switch control signal differential coupling unit is put with radio-frequency power Signal connection status between big device, the output end of the radio-frequency power amplifier is additionally provided with the second microwave inductive switch, described The signal that radio-frequency power amplifier amplifies is transferred to transmitting antenna module by the second microwave inductive switch.The range-measurement system also includes a power module, and the UWB range finder modules, UWB signal adjusting module are provided with corresponding each The power interface of the power module, each power module by corresponding power interface connect the UWB range finder modules, UWB signal adjusting module.The range-measurement system also includes communication module, and the communication module is connected with the UWB range finder modules wire signal.
- 2. a kind of point-to-point precision distance measurement system based on UWB ranging technologies according to claim 1, its feature exist In：The signal differential coupling unit is balun converter.
- 3. a kind of point-to-point precision distance measurement system based on UWB ranging technologies according to claim 1, its feature exist In：Antenna is omnidirectional antenna in the transmitting antenna module.
- 4. a kind of point-to-point precision distance measurement system based on UWB ranging technologies according to claim 1, its feature exist In：The communication module includes USB module and serial port module.
- 5. a kind of point-to-point precision distance measurement system based on UWB ranging technologies according to claim 1, its feature exist In：The communication module output end is provided with data storage module, and the communication module is used for the data for measuring UWB range finder modules It is sent to data storage module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066229.5A CN107643517A (en) | 2017-10-30 | 2017-10-30 | A kind of point-to-point precision distance measurement system based on UWB ranging technologies |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066229.5A CN107643517A (en) | 2017-10-30 | 2017-10-30 | A kind of point-to-point precision distance measurement system based on UWB ranging technologies |
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| CN107643517A true CN107643517A (en) | 2018-01-30 |
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| CN201711066229.5A Withdrawn CN107643517A (en) | 2017-10-30 | 2017-10-30 | A kind of point-to-point precision distance measurement system based on UWB ranging technologies |
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Cited By (5)
| 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 |
| 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 |
| CN110768681A (en) * | 2019-09-29 | 2020-02-07 | 深圳市微能信息科技有限公司 | UWB communication-based positioning circuit, positioning system and positioning method |
| CN112630781A (en) * | 2020-11-27 | 2021-04-09 | 深圳数联天下智能科技有限公司 | Ultrasonic distance measuring device and ultrasonic distance measuring method |
| CN115996071A (en) * | 2022-12-02 | 2023-04-21 | 中国电子科技集团公司第十研究所 | Method for generating time hopping sequence of NB-assisted UWB ranging system |
-
2017
- 2017-10-30 CN CN201711066229.5A patent/CN107643517A/en not_active Withdrawn
Cited By (6)
| 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 |
| 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 |
| CN110768681A (en) * | 2019-09-29 | 2020-02-07 | 深圳市微能信息科技有限公司 | UWB communication-based positioning circuit, positioning system and positioning method |
| CN112630781A (en) * | 2020-11-27 | 2021-04-09 | 深圳数联天下智能科技有限公司 | Ultrasonic distance measuring device and ultrasonic distance measuring method |
| CN115996071A (en) * | 2022-12-02 | 2023-04-21 | 中国电子科技集团公司第十研究所 | Method for generating time hopping sequence of NB-assisted UWB ranging system |
| CN115996071B (en) * | 2022-12-02 | 2024-04-16 | 中国电子科技集团公司第十研究所 | Method for generating time hopping sequence of NB-assisted UWB ranging system |
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Effective date of registration: 20190709 Address after: 213100 No. 128 Dongfang East Road, Wujin District, Changzhou City, Jiangsu Province Applicant after: Xinjiutong Technology (Changzhou) Co.,Ltd. Address before: 610000 Chengdu, Sichuan, China (Sichuan) free trade pilot area, Chengdu high tech Zone, No. 200, 4 floor, 200 Tianfu five street. Applicant before: CHENGDU 91R INTELLIGENT TECHNOLOGY CO.,LTD. |
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Application publication date: 20180130 |