CN207424250U - 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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- CN207424250U CN207424250U CN201721421503.1U CN201721421503U CN207424250U CN 207424250 U CN207424250 U CN 207424250U CN 201721421503 U CN201721421503 U CN 201721421503U CN 207424250 U CN207424250 U CN 207424250U
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Abstract
The utility model discloses a kind of point-to-point precision distance measurement system based on UWB ranging technologies, including：UWB range finder modules, UWB signal adjustment module, transmitting antenna module, the UWB range finder modules include UWB signal transmitter, UWB signal generates crystal oscillator, UWB signal receiver, signal processor, the UWB signal transmitter generates crystal oscillator by UWB signal and is connected with UWB signal adjustment module by signal, and the UWB signal receiver is connected with signal processor signal.The utility model is simple and compact for structure, it is of low cost, UWB can be based on realize ranging, and range accuracy is high, measurement range is wide.
Description
Technical field
The utility model is related to positioning distance measuring technical field more particularly to a kind of point-to-point height based on UWB ranging technologies
Precision 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 complicated indoor environment, 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 location 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 influenced 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, does not have communication capacity, and is not easy to be integrated into other function systems
Among；In Wi-Fi ranging technologies, since 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, 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 signal is shorter and poor anti jamming capability, thus is answered
During with carrying out positioning distance measuring, sphere of action is shorter.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of point-to-point precision distance measurement system based on UWB ranging technologies with a new purpose, it is simple in structure tight
It gathers, is of low cost, UWB realization rangings can be based on, and range accuracy is high, measurement range is wide.
It is special according to a kind of point-to-point precision distance measurement system based on UWB ranging technologies of the utility model embodiment
Sign is：Including：UWB range finder modules, UWB signal adjustment module, transmitting antenna module, the UWB range finder modules are believed including UWB
Number transmitter, UWB signal generate crystal oscillator, UWB signal receiver, signal processor, and the UWB signal transmitter is believed by UWB
It number generates crystal oscillator and UWB signal and adjusts module by signal and be connected, the UWB signal receiver is connected with signal processor signal；
The UWB signal adjustment module includes the signal differential coupling unit and radio-frequency power amplifier that are connected with each other,
The UWB signal that UWB signal transmitter generates in the UWB range finder modules is put through the signal differential coupling unit, radio-frequency power
After big device is adjusted, sent by transmitting antenna module, wherein, the signal differential coupling unit, radio-frequency power are put
The first microwave inductive switch, the first microwave inductive switch control signal differential coupling unit and radio frequency work(are equipped between big device
Signal connection status between rate amplifier, the output terminal of the radio-frequency power amplifier are additionally provided with the second microwave inductive switch,
Second microwave inductive switch gives the signal transmission that radio-frequency power amplifier amplifies to transmitting antenna module.
The range-measurement system further includes a power module, and the UWB range finder modules, UWB signal adjustment module are equipped with and correspond to
The power interface of each power module, each power module connect the UWB rangings mould by corresponding power interface
Block, UWB signal adjustment module.
The range-measurement system further includes communication module, and the communication module is connected with the UWB range finder modules wire signal.
In some embodiments of the utility model, the signal differential coupling unit is balun converter.
In some embodiments of the utility model, antenna is omnidirectional antenna in the transmitting antenna module.
In some embodiments of the utility model, the communication module includes USB module and serial port module.
In other embodiments of the utility model, the communication module output terminal is equipped with data storage module, described
The data sending that communication module is used to measure UWB range finder modules is to data storage module.
Compared with prior art, the beneficial effects of the utility model：High-precision of the utility model based on UWB radio is surveyed
Away from device, including UWB range finder modules, UWB signal adjustment module and transmitting antenna module, base is realized by UWB range finder modules
In the distance measurement function of UWB technology, thus the measurement accuracy under complex environment is high, and the cost with UWB systems is low, penetration power
By force, low in energy consumption, a variety of advantages such as anti-multipath effect is good, safe, system complexity is low, while module is adjusted by UWB signal
The adjustment of differential coupling and radio-frequency power amplification is carried out to the UWB signal that UWB range finder modules generate, UWB can be effectively improved
The antijamming capability and transmission range of signal, so as to while UWB system performances are ensured, realize the UWB of wide coverage
Ranging simultaneously further improves range accuracy.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of point-to-point precision distance measurement system based on UWB ranging technologies structure
Schematic diagram.
In figure：1st, UWB range finder modules；11st, UWB signal transmitter；12nd, UWB signal generates crystal oscillator；13rd, UWB signal receives
Device；14th, UWB signal processor；2nd, UWB signal adjustment 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.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.
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 there is same or like element.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the utility model, and it is not intended that limitation to the utility model.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
As shown in Figure 1, a kind of 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 adjustment module 2, transmitting antenna module 3, the UWB range finder modules 1 include UWB signal transmitter
11st, UWB signal generates crystal oscillator 12, UWB signal receiver 13, signal processor 14, and the UWB signal transmitter 11 passes through UWB
Signal generates crystal oscillator 12 and is connected with UWB signal adjustment 2 signal of module, and the UWB signal receiver 13 is believed with signal processor 14
Number connection；
The UWB signal adjustment module 2 includes the signal differential coupling unit 21 being connected with each other and radio-frequency power amplification
Device 23, the UWB signal that UWB signal transmitter 11 generates in the UWB range finder modules 1 through the signal differential coupling unit 21,
After radio-frequency power amplifier 23 is adjusted, sent by transmitting antenna module 3, wherein, the signal differential coupling is single
The first microwave inductive switch 22, the control of the first microwave inductive switch 22 letter are equipped between member 21, radio-frequency power amplifier 23
Signal connection status number between differential coupling unit and radio-frequency power amplifier 23, the output of the radio-frequency power amplifier 23
End is additionally provided with the second microwave inductive switch 24, the signal that second microwave inductive switch 24 amplifies radio-frequency power amplifier 23
It is transferred to transmitting antenna module 3.
The range-measurement system further includes power module 4, and the UWB range finder modules 1, UWB signal adjustment module 2 are equipped with pair
The power interface of each power module 4 is answered, each power module 4 connects the UWB by corresponding power interface and surveys
Away from module 1, UWB signal adjustment module 2.
The range-measurement system further includes communication module 5, and the communication module 5 connects with 1 wire signal of UWB range finder modules
It connects.
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, 5 output terminal of communication module is equipped with data storage module 6, and the communication module 5 is used to survey UWB
Data sending away from the measurement of module 1 is 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 module 2 is adjusted by UWB signal, differential coupling is carried out to the UWB signal that UWB range finder modules 1 generate
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 system performances, realize the UWB rangings of wide coverage and further improve range accuracy.Using the above structure, also
Can easily be integrated into it is other need realize distance measurement function system in.
In the present embodiment, signal differential coupling unit 21 is specifically using 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 that UWB signal can be further improved
Disturb ability.
In the present embodiment, UWB signal adjustment module 2 further includes and is 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 the way that microwave signal channels is controlled to convert
Transformed UWB signal 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）Compatible, the connector of microwave switch is using SMA series.
In the present embodiment, UWB signal adjustment module 2 further includes the second of the output terminal for being connected to 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 controlled.Radio-frequency power amplifier 23 specifically carries out the signal after microwave switch
Power amplification using SMA ends are transmitted a signal to after microwave switch, launches signal 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 is easily integrated on circuit boards, and the structure that can cause entire 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 generates and receiving unit 11 includes signal and generates crystal oscillator, signal receiving circuit and signal transmission circuit, signal transmitting
Circuit generates crystal oscillator by signal and is connected with UWB signal adjustment module 2, and signal receiving circuit is connected with UWB signal processor 14.
In the present embodiment, multiple power modules 4 are further included, UWB range finder modules 1 are equipped 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, the communication module 5 being connected with UWB range finder modules 1 is further included, UWB range finder modules 1 pass through the mould that communicates
Block 5 can be with outside into row data communication.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 utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features contact directly or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is fisrt feature immediately below second feature or obliquely downward or is merely representative of fisrt feature level height 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 utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It is combined in an appropriate manner in any one or more embodiments or example.
The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of point-to-point precision distance measurement system based on UWB ranging technologies, it is characterised in that：Including：UWB range finder modules,
UWB signal adjustment module, transmitting antenna module, the UWB range finder modules include UWB signal transmitter, UWB signal generates crystalline substance
It shakes, UWB signal receiver, signal processor, the UWB signal transmitter generates crystal oscillator by UWB signal and adjusted with UWB signal
Module by signal connects, and the UWB signal receiver is connected with signal processor signal；
The UWB signal adjustment module includes the signal differential coupling unit and radio-frequency power amplifier that are connected with each other, described
The UWB signal that UWB signal transmitter generates in UWB range finder modules is through the signal differential coupling unit, radio-frequency power amplifier
After being adjusted, sent by transmitting antenna module, wherein, the signal differential coupling unit, radio-frequency power amplifier
Between be equipped with the first microwave inductive switch, the first microwave inductive switch control signal differential coupling unit puts with radio-frequency power
Signal connection status between big device, the output terminal of the radio-frequency power amplifier is additionally provided with the second microwave inductive switch, described
Second microwave inductive switch gives the signal transmission that radio-frequency power amplifier amplifies to transmitting antenna module；
The range-measurement system further includes a power module, and the UWB range finder modules, UWB signal adjustment module are equipped 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 adjusts module；
The range-measurement system further 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, 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, 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, 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, feature exist
In：The communication module output terminal is equipped 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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| CN201721421503.1U CN207424250U (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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2017
- 2017-10-30 CN CN201721421503.1U patent/CN207424250U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110768681B (en) * | 2019-09-29 | 2021-07-02 | 深圳市微能信息科技有限公司 | UWB communication-based positioning circuit, positioning system and positioning method |
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