CN205210304U - High accuracy range unit based on UWB radio - Google Patents
High accuracy range unit based on UWB radio Download PDFInfo
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- CN205210304U CN205210304U CN201521008345.8U CN201521008345U CN205210304U CN 205210304 U CN205210304 U CN 205210304U CN 201521008345 U CN201521008345 U CN 201521008345U CN 205210304 U CN205210304 U CN 205210304U
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- distance measurement
- measurement device
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Abstract
The utility model discloses a high accuracy range unit based on UWB radio, including UWB ranging module, UWB signals regulating module and emit antenna module that being used for of connecting gradually produces, receives the UWB signal and carry out the range finding, the UWB signals regulating module includes interconnect's signal difference coupling unit and RF power amplifying unit, and the UWB signal that UWB ranging module produced sends through the emit antenna module after signal difference coupling unit, RF power amplifying unit are adjusted. The utility model has the advantages of simple structure compactness, low cost, can realize the range finding based on UWB, and the range accuracy is high, measurement range is wide.
Description
Technical field
The utility model relates to positioning distance measuring technical field, particularly relates to a kind of based on the wireless precision distance measurement device of UWB.
Background technology
Along with the quick increase of data service and multimedia service, the demand of people to position & navigation increases day by day, especially in the indoor environment of complexity, as airport hall, exhibition room, warehouse, supermarket, library, underground parking and mine etc., usually need to determine mobile terminal or its holder, facility and the article positional information in indoor.Ultrasonic measuring distance technology, bluetooth ranging technology, radio-frequency (RF) identification ranging technology, Wi-Fi ranging technology etc. are mainly comprised at present for positioning distance measuring, but each positioning distance measuring mode all has certain limitation, wherein ultrasound wave is very large owing to affecting by multipath effect and non-line-of-sight propagation, need a large amount of bottom hardware facility investments simultaneously, thus very high based on hyperacoustic ranging technology cost; In bluetooth ranging technology, the price of bluetooth devices, equipment usually costly, and poor to the adaptability of complex space environment, is subject to the interference of noise signal; The operating distance of radio-frequency (RF) identification ranging technology is short, and it does not have communication capacity, and is not easy to be incorporated among other function systems; In Wi-Fi ranging technology, because transceiver usually can only region within covering radius 90 meters, be thus easy to be subject to the interference of other signals and affect precision, its energy consumption is usual also higher.
UWB(UltraWideBand, ultra broadband) technology as a kind of completely newly, have the New Communication Technology of huge difference with conventional communication techniques, it does not need to use the carrier wave in traditional communication system, transmit data by sending and receive the ultra-narrow pulse with below nanosecond or nanosecond, thus there is the bandwidth of GHz magnitude.Radio ultra wide band system is compared with traditional narrowband systems, have that penetration power is strong, low in energy consumption, anti-multipath is effective, security is high, system complexity is low, can provide the multiple advantages such as accurate positioning precision, be thus highly suitable for positioning range finding to the object of static or movement, people in indoor environment.But UWB technology is as the short-range communication of one, the shorter and poor anti jamming capability of the transmission range of its signal, thus applied when positioning range finding, reach is shorter.
Utility model content
The technical problems to be solved in the utility model is just: the technical matters existed for prior art, the utility model provide a kind of simple and compact for structure, with low cost, range finding can be realized based on UWB, and distance accuracy is high, measurement range is wide based on the wireless precision distance measurement device of UWB.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of based on the wireless precision distance measurement device of UWB, comprise connect successively for generation of, receive UWB signal and carry out the UWB range finder module of range determination, UWB signal adjusting module and emitting antenna module, described UWB signal adjusting module comprises the signal differential coupling unit and radiofrequency power amplification unit that connect successively, the UWB signal that described UWB range finder module produces, after described signal differential coupling unit, radiofrequency power amplification unit adjust, is sent by emitting antenna module.
As further improvement of the utility model: described signal differential coupling unit is Ba Lun transducer.
As further improvement of the utility model: described UWB signal adjusting module also comprises the first microwave switch unit be connected between described signal differential coupling unit, radiofrequency power amplification unit.
As further improvement of the utility model: described UWB signal adjusting module also comprises the second microwave switch unit of the output terminal being connected to described radiofrequency power amplification unit.
As further improvement of the utility model: in described emitting antenna module, antenna is omnidirectional antenna.
As further improvement of the utility model: described UWB range finder module comprises UWB signal and produces and receiving element, Ranging Processor unit, described UWB signal produces and receiving element comprises signal generation crystal oscillator, signal receiving circuit and signal transmission circuit, described signal transmission circuit produces crystal oscillator by signal and is connected with described UWB signal adjusting module, and described signal receiving circuit is connected with described Ranging Processor unit.
As further improvement of the utility model: also comprise multiple power module, described UWB range finder module is provided with the power interface of corresponding power module described in each, and power module described in each connects described UWB range finder module by corresponding power interface.
As further improvement of the utility model: also comprise the communication module be connected with described UWB range finder module.
As further improvement of the utility model: described communication module comprises USB module and serial port module.
Compared with prior art, the utility model has the advantage of: the utility model is based on the wireless precision distance measurement device of UWB, comprise UWB range finder module, UWB signal adjusting module and emitting antenna module, the distance measurement function based on UWB technology is realized by UWB range finder module, thus the estimating precision under complex environment is high, the cost with UWB system is low, penetration power is strong, low in energy consumption, anti-multipath is effective, security is high, the multiple advantages such as system complexity is low, by UWB signal adjusting module, the UWB signal that UWB range finder module produces is carried out to the adjustment of differential coupling and radio-frequency power amplification simultaneously, effectively can improve antijamming capability and the transmission range of UWB signal, thus while guarantee UWB system performance, realize the UWB range finding of wide coverage and improve distance accuracy further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment based on the wireless precision distance measurement device of UWB.
Marginal data: 1, UWB range finder module; 11, UWB signal produces and receiving element; 12, Ranging Processor unit; 2, UWB signal adjusting module; 21, signal differential coupling unit; 22, the first microwave switch unit; 23, radiofrequency power amplification unit; 24, the second microwave switch unit; 3, emitting antenna module; 4, power module; 5, communication module; 51, USB module; 52, serial port module.
Embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the utility model is further described, but does not therefore limit protection domain of the present utility model.
As shown in Figure 1, the present embodiment based on the wireless precision distance measurement device of UWB comprise connect successively for generation of, receive UWB signal and carry out the UWB range finder module 1 of range determination, UWB signal adjusting module 2 and emitting antenna module 3, UWB signal adjusting module 2 comprises the signal differential coupling unit 21 and radiofrequency power amplification unit 23 that connect successively, the UWB signal that UWB range finder module 1 produces, after signal differential coupling unit 21, radiofrequency power amplification unit 23 adjust, is sent by emitting antenna module 3.The UWB signal that UWB range finder module 1 produces by signal differential coupling unit 21 carries out being coupled and being converted to differential signal, exports radiofrequency power amplification unit 23 to and carries out power amplification, the UWB signal after being adjusted.Differential signal has very strong antijamming capability when transmitting to external disturbance, and effectively can suppress electromagnetic interference (EMI).
The present embodiment realizes the distance measurement function based on UWB technology by UWB range finder module 1, thus the estimating precision under complex environment is high, the cost with UWB system is low, penetration power is strong, low in energy consumption, anti-multipath is effective, security is high, the multiple advantages such as system complexity is low, the UWB signal simultaneously produced by UWB signal adjusting module 2 pairs of UWB range finder modules 1 carries out the adjustment of differential coupling and radio-frequency power amplification, effectively can improve antijamming capability and the transmission range of UWB signal, thus while guarantee UWB system performance, realize the UWB range finding of wide coverage and improve distance accuracy further.Adopt said structure, can also be integrated into other easily needs to realize in the system of distance measurement function.
In the present embodiment, signal differential coupling unit 21 specifically adopts Ba Lun transducer, by Ba Lun transducer, UWB signal is carried out differential coupling, transfers differential signal to by single-ended UWB signal, can improve the antijamming capability of UWB signal when transmitting further.
In the present embodiment, UWB signal adjusting module 2 also comprises the first microwave switch unit 22 be connected between signal differential coupling unit 21, radiofrequency power amplification unit 23.First microwave switch unit 22, by controlling microwave signal channels conversion, controls radiofrequency power amplification unit 23 and the UWB signal after conversion is carried out power amplification.Similar with single-pole single-throw switch (SPST) principle, microwave switch has PIN pipe under the positive and negative bias voltage of direct current, presents the approximate impedance operator be turned on or off, the present embodiment utilizes this impedance operator of microwave switch to realize controlling the effect of microwave signal channels conversion, to control the adjustment that radiofrequency power amplification unit 23 pairs of UWB signal carry out power amplification.All right and the ECL(Emitter-CoupledLogic by microwave switch, emitter-base bandgap grading differential coupling logic) compatible, the joint of microwave switch adopts SMA series.
In the present embodiment, UWB signal adjusting module 2 also comprises the second microwave switch unit 24 of the output terminal being connected to radiofrequency power amplification unit 23, is controlled respectively by the input end of the first microwave switch unit 22, second microwave switch unit 24 radio frequency power amplification unit 23, cut-offfing of output terminal.Signal after microwave switch is specifically carried out power amplification by radiofrequency power amplification unit 23, then is held to SMA by Signal transmissions after microwave switch, is launched by signal finally by emitting antenna module 3.
In the present embodiment, in emitting antenna module 3, antenna is omnidirectional antenna.In emitting antenna module 3, antenna is specially omnidirectional's printed circuit board antenna, signal can be sent to all directions by omnidirectional's printed circuit board antenna, and the compact structure of omnidirectional antenna, be easy on circuit boards integrated, the structure of whole range measurement system can be made compacter.Antenna efficiency is relevant to following two factors: 1) whether the impedance of prevention at radio-frequency port and antenna port mates; 2) efficiency of antenna itself, usual antenna size is larger, and radiation efficiency is higher.In the present embodiment emitting antenna module 3, the prevention at radio-frequency port of antenna and antenna port impedance are 50 ohm, to facilitate the connection between module, and the size of omnidirectional's printed circuit board antenna is large compared with ceramic antenna, thus there is higher antenna efficiency, guarantee precision and the measurement range of range measurement system.
In the present embodiment, UWB range finder module 1 comprises UWB signal and produces and receiving element 11, Ranging Processor unit 12, UWB signal produces and receiving element 11 comprises signal generation crystal oscillator, signal receiving circuit and signal transmission circuit, signal transmission circuit produces crystal oscillator by signal and is connected with UWB signal adjusting module 2, and signal receiving circuit is connected with Ranging Processor unit 12.
In the present embodiment, also comprise the power interface that multiple power module 4, UWB range finder module 1 is provided with each power module 4 corresponding, each power module 4 connects UWB range finder module 1 by corresponding power interface, realizes multiple power supply mode.The present embodiment UWB range finder module 1 specifically has USB interface and DC direct supply interface.
In the present embodiment, also comprise communication module 5, the UWB range finder module 1 be connected with UWB range finder module 1 and can carry out data communication with outside by communication module 5.Communication module 5 specifically comprises USB module 51 and serial port module 52, to realize usb communication mode and serial communication mode respectively.
Above-mentioned just preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (9)
1. one kind based on the wireless precision distance measurement device of UWB, it is characterized in that comprising connect successively for generation of, receive UWB signal and carry out the UWB range finder module (1) of range determination, UWB signal adjusting module (2) and emitting antenna module (3), described UWB signal adjusting module (2) comprises interconnective signal differential coupling unit (21) and radiofrequency power amplification unit (23), the UWB signal that described UWB range finder module (1) produces is through described signal differential coupling unit (21), after radiofrequency power amplification unit (23) adjusts, sent by emitting antenna module (3).
2. according to claim 1 based on UWB radio precision distance measurement device, it is characterized in that: described signal differential coupling unit (21) is Ba Lun transducer.
3. according to claim 2 based on the wireless precision distance measurement device of UWB, it is characterized in that: described UWB signal adjusting module (2) also comprises the first microwave switch unit (22) be connected between described signal differential coupling unit (21), radiofrequency power amplification unit (23).
4. according to claim 3 based on the wireless precision distance measurement device of UWB, it is characterized in that: described UWB signal adjusting module (2) also comprises the second microwave switch unit (24) of the output terminal being connected to described radiofrequency power amplification unit (23).
5. according in Claims 1 to 4 described in any one based on the wireless precision distance measurement device of UWB, it is characterized in that: antenna is omnidirectional antenna in described emitting antenna module (3).
6. according to claim 5 based on the wireless precision distance measurement device of UWB, it is characterized in that: described UWB range finder module (1) comprises UWB signal and produces and receiving element (11), Ranging Processor unit (12), described UWB signal produces and receiving element (11) comprises signal generation crystal oscillator, signal receiving circuit and signal transmission circuit, described signal transmission circuit produces crystal oscillator by signal and is connected with described UWB signal adjusting module (2), and described signal receiving circuit is connected with described Ranging Processor unit (12).
7. according to claim 6 based on the wireless precision distance measurement device of UWB, it is characterized in that: also comprise multiple power module (4), described UWB range finder module (1) is provided with the power interface of corresponding power module (4) described in each, and power module described in each (4) connects described UWB range finder module (1) by corresponding power interface.
8. according to claim 7 based on the wireless precision distance measurement device of UWB, it is characterized in that: also comprise the communication module (5) be connected with described UWB range finder module (1).
9. according to claim 8 based on the wireless precision distance measurement device of UWB, it is characterized in that: described communication module (5) comprises USB module (51) and serial port module (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521008345.8U CN205210304U (en) | 2015-12-08 | 2015-12-08 | High accuracy range unit based on UWB radio |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521008345.8U CN205210304U (en) | 2015-12-08 | 2015-12-08 | High accuracy range unit based on UWB radio |
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| CN205210304U true CN205210304U (en) | 2016-05-04 |
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| CN201521008345.8U Expired - Fee Related CN205210304U (en) | 2015-12-08 | 2015-12-08 | High accuracy range unit based on UWB radio |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243290A (en) * | 2020-10-19 | 2021-01-19 | Oppo广东移动通信有限公司 | WIFI transmission power adjusting method, device, equipment and medium |
| CN112484625A (en) * | 2020-11-12 | 2021-03-12 | 西南交通大学 | High-precision displacement measurement method based on UWB channel impulse response |
-
2015
- 2015-12-08 CN CN201521008345.8U patent/CN205210304U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243290A (en) * | 2020-10-19 | 2021-01-19 | Oppo广东移动通信有限公司 | WIFI transmission power adjusting method, device, equipment and medium |
| CN112484625A (en) * | 2020-11-12 | 2021-03-12 | 西南交通大学 | High-precision displacement measurement method based on UWB channel impulse response |
| CN112484625B (en) * | 2020-11-12 | 2021-09-17 | 西南交通大学 | High-precision displacement measurement method based on UWB channel impulse response |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High accuracy range unit based on UWB radio Effective date of registration: 20181030 Granted publication date: 20160504 Pledgee: Changsha bank Limited by Share Ltd University Town sub branch Pledgor: HUNAN NOVASKY ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2018430000092 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191121 Granted publication date: 20160504 Pledgee: Changsha bank Limited by Share Ltd University Town sub branch Pledgor: HUNAN NOVASKY ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2018430000092 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High accuracy range unit based on UWB radio Effective date of registration: 20191209 Granted publication date: 20160504 Pledgee: Changsha bank Limited by Share Ltd. Xiangjiang New District sub branch Pledgor: HUNAN NOVASKY ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2019980000927 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201224 Granted publication date: 20160504 Pledgee: Changsha bank Limited by Share Ltd. Xiangjiang New District sub branch Pledgor: HUNAN NOVASKY ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2019980000927 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |