CN205539455U - A device that is used for range finding of mobile device and follows location - Google Patents
A device that is used for range finding of mobile device and follows location Download PDFInfo
- Publication number
- CN205539455U CN205539455U CN201521014165.0U CN201521014165U CN205539455U CN 205539455 U CN205539455 U CN 205539455U CN 201521014165 U CN201521014165 U CN 201521014165U CN 205539455 U CN205539455 U CN 205539455U
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- signal
- mobile device
- distance
- centimeter wave
- antenna
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Abstract
The utility model provides a device that is used for range finding of mobile device and follows location, including emission unit, receiving element and arithmetic element, wherein, emission unit with receiving element connects the arithmetic element, emission unit is used for to waiting to follow object transmission centimeter wave, receiving element is used for receiving the centimeter wave, the arithmetic element is used for according to the transmission centimeter wave and receives the time difference calculation play mobile device between the centimeter wave and wait to follow the distance between the object, and then according to distance and threshold value range difference calculate the motion distance. The utility model discloses can make water and oil proofing, relative laser, the better measurement failure of having avoided because of the penetrability of medium causes.
Description
Technical field
This utility model relates to microwave measurement field, in particular it relates to a kind of range finding for mobile device and the device following location.
Background technology
Along with the development of microwave radio commu technology, the precision of wireless distance finding is more and more higher, and the measuring method with microwave technology as carrier starts to come into mass consumption product industry.
Electromagnetic distance measurement is broadly divided into two big classes according to the method for minute: pulsed is found range and phase shift rangefinder.Phase shift rangefinder cost performance in ordinary consumption level product is not so good as pulsed and finds range, common pulsed range finding includes: timing pulse, electronic gate, trigger, impulse ejection, reflector, reception of impulse, counting show this several parts, ultimate principle is to send a burst pulse by laser instrument arrive reflector element and receive unit, to receiving the part of unit as reference signal, being reflected unit reflection arrive and receive the signal of unit as distance measuring signal, the time difference between calculating reference signal and distance measuring signal can be obtained by distance values through conversion again.But this normal pulsed formula diastimeter is typically found range farther out, and precision is poor, but mobile range finding with follow field, common pulse distancemeter has the most fatal weakness-carrier wave to be laser, and it is restricted is mainly manifested in:
1, under daylight environment, range finding can be heavily disturbed.
2, reflector element limits its application in field of mobile equipment with the relative status requirement of reception unit.
3, laser has the most serious injury to human body (particularly eyes).
4, laser is bigger by surrounding environment influence with reflection process in transmitting.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of range finding for mobile device and the device following location.
The range finding for mobile device provided according to this utility model and the device following location, including transmitter unit, receive unit and arithmetic element；
Wherein, described transmitter unit and described reception unit connect described arithmetic element；Described transmitter unit is for object emission centimeter wave to be followed；
Described reception unit is used for receiving described centimeter wave；
Described arithmetic element is for calculating the distance between mobile device and object to be followed according to the time difference launched between centimeter wave and reception centimeter wave, and then calculates move distance according to described distance and threshold distance difference.
Preferably, described transmitter unit uses UWB module；
Described UWB module includes a CPU, signal generator, the first local oscillator signal generator, frequency mixer, balance-to-nonbalance converter and first antenna；
Wherein, a described CPU connects the control end of described signal generator, and the outfan of described signal generator and the outfan of the first local oscillator signal generator connect the input of described frequency mixer；The outfan of described frequency mixer connects the input of described balance-to-nonbalance converter；The outfan of described balance-to-nonbalance converter connects described first antenna；
A described CPU, is converted to pulse signal for control signal generator by transmitting terminal digital signal；
Described signal generator, is used for launching described pulse signal；
Described first local oscillator signal generator, is used for producing first vibration frequency；
Frequency mixer, generates signal to be transmitted with the mixing of described first vibration frequency after being amplified by pulse signal；
Balance-to-nonbalance converter, for by the output impedance of transmitter unit and first antenna impedance matching and balance conversion.
First antenna, is used for launching described signal to be transmitted, i.e. centimeter wave.
Preferably, described reception unit includes the second antenna, LNA module, local oscillation signal module, band filter, ADC and the 2nd CPU；
Wherein, the input of described LNA module connects described second antenna, and the outfan of described LNA module passes sequentially through described local oscillation signal module, bandpass filter, ADC described 2nd CPU of connection；
Described LNA module, amplifies generation amplification signal for the centimeter wave that the second antenna receives carries out low noise；
Described local oscillation signal module, generates mixed frequency signal for producing the second local frequency with amplification signal mixing；
Described band filter, generates filter and amplification signal for being filtered mixed frequency signal amplifying；
Described ADC, for being converted to receiving terminal digital signal by filter and amplification signal；
Described 2nd CPU, for processing the receiving terminal digital signal obtained.
Preferably, described arithmetic element uses ARM or FPGA.
Preferably DIYU, described arithmetic element is for calculating the distance between mobile device and object to be followed according to the time difference between transmitting terminal digital signal and receiving terminal digital signal, and then calculates move distance according to described distance and threshold distance difference.
Preferably, kinetic control system is also included；Described kinetic control system is arranged in described mobile device；Described arithmetic element connects described kinetic control system；
Described kinetic control system is for driving mobile device according to described move distance, it is achieved the following and positioning of mobile device.
Compared with prior art, this utility model has a following beneficial effect:
1, the centimeter wave power that this utility model is launched is extremely low, harmless；
2, this utility model is owing to needing reflector element unlike laser pulse, it is possible in the middle of the mobile range finding/follow/alignment system of fast speed；
3, this utility model is owing to can use multiple reception unit and transmitter unit, can obtain the three-dimensional position relatively between multiple equipment, precision higher；
4, this utility model can make waterproof and oilproof, for relative laser, preferably avoids the measurement failure caused because of the penetrance of medium；
5, this utility model power is extremely low, it might even be possible to make disposable apparatus.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, other features, objects and advantages of the present utility model will become more apparent upon:
Fig. 1 is the structural representation of transmitter unit in this utility model；
Fig. 2 is the structural representation receiving unit in this utility model；
Fig. 3 is the active/standby devices collaboration method schematic flow sheet with the method following location of finding range in this utility model for mobile device；
Fig. 4 is the collaboration method schematic flow sheet of many equipment of range finding and the method following location in this utility model for mobile device.
In figure:
1 is band filter.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.Following example will assist in those skilled in the art and are further appreciated by this utility model, but limit this utility model the most in any form.It should be pointed out that, to those skilled in the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement.These broadly fall into protection domain of the present utility model.
This utility model on the basis of normal pulsed formula distance-finding method the centimeter wave that carrier transformation is 4G～6GHz, use a transmitting mode received to carry out space vector location more, the precision of measurement is also improved while realizing three-dimensional localization, also achieve calculating the relative position of two different carriers when and relatively accurate follow function, meet the demand of overwhelming majority consumer product, and part is industrial and the requirement of war products.
In the present embodiment, the finding range and the device following location for mobile device that this utility model provides, including transmitter unit, receive unit, arithmetic element and kinetic control system；
Wherein, described transmitter unit and described reception unit connect described arithmetic element；Described arithmetic element connects described kinetic control system；Described transmitter unit is for object emission centimeter wave to be followed；
Described reception unit is used for receiving described centimeter wave；
Described arithmetic element is for calculating the distance between mobile device and object to be followed according to the time difference launched between centimeter wave and reception centimeter wave, and then calculates move distance according to described distance and threshold distance difference；
Described kinetic control system is for driving mobile device according to described move distance, thus realizes following and positioning of mobile device.
Transmitter unit has two kinds with the cooperation mode of analogue unit, and one is to be synchronized by auxiliary signal, and another kind is from cooperation.The mode ultimate principle that auxiliary signal synchronizes is, it is Tong Bu that the CPU of the CPU of transmitter unit and reception unit carries out transmitting-receiving by auxiliary signal, this mode adds the error being likely to occur of measurement because introducing auxiliary signal, so this equipment is not adopted in this way.
Described transmitter unit uses UWB module；Described UWB module includes a CPU, signal generator, the first local oscillator signal generator, frequency mixer, balance-to-nonbalance converter and first antenna；
Wherein, a described CPU connects the control end of described signal generator, and the outfan of described signal generator and the outfan of the first local oscillator signal generator connect the input of described frequency mixer；The outfan of described frequency mixer connects the input of described balance-to-nonbalance converter；The outfan of described balance-to-nonbalance converter connects described first antenna；
A described CPU, is converted to pulse signal for control signal generator by transmitting terminal digital signal；
Described signal generator, is used for launching described pulse signal；
Described first local oscillator signal generator, is used for producing first vibration frequency；
Frequency mixer, generates signal to be transmitted with the mixing of described first vibration frequency after being amplified by pulse signal；
Balance-to-nonbalance converter, for by the output impedance of transmitter unit and first antenna impedance matching and balance conversion.
First antenna, is used for launching described signal to be transmitted, i.e. centimeter wave.
UWB (Ultra-Wide Band) module, is a centimeter wave transmitter module being closely sized to bracelet, meets IEEE 802.15.4-2011 UWB standard.UWB (Ultra-Wide Band) module is made up of a CPU and a radio-frequency signal generator, and its function is to launch the amplitude-modulated signal of the power adjustable that carrier wave is 4G～6G.
Described reception unit includes the second antenna, LNA module, local oscillation signal module, band filter, ADC and the 2nd CPU；Wherein, the input of described LNA module connects described second antenna, and the outfan of described LNA module passes sequentially through described local oscillation signal module, bandpass filter, ADC described 2nd CPU of connection；
Described LNA module, amplifies generation amplification signal for the centimeter wave that the second antenna receives carries out low noise；
Described local oscillation signal module, generates mixed frequency signal for producing the second local frequency with amplification signal mixing；
Described band filter, generates filter and amplification signal for being filtered mixed frequency signal amplifying；
Described ADC, for being converted to receiving terminal digital signal by filter and amplification signal；
Described 2nd CPU, for processing the receiving terminal digital signal obtained.
Described arithmetic element uses ARM or FPGA.Described arithmetic element is for calculating the distance between mobile device and object to be followed according to the time difference between transmitting terminal digital signal and receiving terminal digital signal, and then calculates move distance according to described distance and threshold distance difference；
The using method with the device following location of finding range for mobile device that this utility model provides, comprises the following steps:
The transmitter unit of S1: device A launches centimeter wave signal；
Centimeter wave signal is launched by the transmitter unit of equipment B again after the centimeter wave signal receiving the transmitter unit transmitting that unit receives device A of S2: equipment B；
The centimeter wave reception unit to B device is launched by the transmitter unit of device A again after the centimeter wave receiving the transmitter unit transmitting that unit receives equipment B of S3: device A；
Wherein, device A is finding range and the device following location for mobile device, and equipment B is another finding range and the device following location for mobile device.The arithmetic element of device A or equipment B calculates the distance between device A and equipment B according to the time difference launched between centimeter wave and reception centimeter wave, and then calculates move distance according to described distance and threshold distance difference.
It is multiple that described band receives the equipment B of unit.The certainty of measurement of described reception unit and transmitter unit is less than or equal to 10 centimetres.The vector operation approach of many objects is used between described device A and multiple described equipment B.
Wherein the reception receiving unit of A and B triggers very fast, the significantly faster than propagation time, therefore can by calculate the flight time of centimeter wave carry out finding range/follow/position, and the certainty of measurement between active/standby devices controls within 10cm.If setting the relative distance of A Yu B, this equipment combines with kinetic control system, it is possible to realize following function between different carriers.
Above-mentioned is range finding between two equipment/follow/position, this equipment is in order to improve certainty of measurement, realize the space orientation of three-dimensional simultaneously, have employed the vector operation approach of many equipment, it is achieved that the high-precision range finding based on many B of an A/follow/alignment system.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, and this has no effect on flesh and blood of the present utility model.
Claims (6)
1. the range finding for mobile device and the device following location, it is characterised in that include transmitter unit, receive unit and arithmetic element；
Wherein, described transmitter unit and described reception unit connect described arithmetic element；Described transmitter unit is for object emission centimeter wave to be followed；
Described reception unit is used for receiving described centimeter wave；
Described arithmetic element is for calculating the distance between mobile device and object to be followed according to the time difference launched between centimeter wave and reception centimeter wave, and then calculates move distance according to described distance and threshold distance difference.
Range finding for mobile device the most according to claim 1 and the device following location, it is characterised in that described transmitter unit uses UWB module；
Described UWB module includes a CPU, signal generator, the first local oscillator signal generator, frequency mixer, balance-to-nonbalance converter and first antenna；
Wherein, a described CPU connects the control end of described signal generator, and the outfan of described signal generator and the outfan of the first local oscillator signal generator connect the input of described frequency mixer；The outfan of described frequency mixer connects the input of described balance-to-nonbalance converter；The outfan of described balance-to-nonbalance converter connects described first antenna；
A described CPU, is converted to pulse signal for control signal generator by transmitting terminal digital signal；
Described signal generator, is used for launching described pulse signal；
Described first local oscillator signal generator, is used for producing first vibration frequency；
Frequency mixer, generates signal to be transmitted with the mixing of described first vibration frequency after being amplified by pulse signal；
Balance-to-nonbalance converter, for by the output impedance of transmitter unit and first antenna impedance matching and balance conversion；
First antenna, is used for launching described signal to be transmitted, i.e. centimeter wave.
Range finding for mobile device the most according to claim 2 and the device following location, it is characterised in that described reception unit includes the second antenna, LNA module, local oscillation signal module, band filter, ADC and the 2nd CPU；
Wherein, the input of described LNA module connects described second antenna, and the outfan of described LNA module passes sequentially through described local oscillation signal module, bandpass filter, ADC described 2nd CPU of connection；
Described LNA module, amplifies generation amplification signal for the centimeter wave that the second antenna receives carries out low noise；
Described local oscillation signal module, generates mixed frequency signal for producing the second local frequency with amplification signal mixing；
Described band filter, generates filter and amplification signal for being filtered mixed frequency signal amplifying；
Described ADC, for being converted to receiving terminal digital signal by filter and amplification signal；
Described 2nd CPU, for processing the receiving terminal digital signal obtained.
4. according to the range finding for mobile device described in any one of claims 1 to 3 and the device following location, it is characterised in that described arithmetic element uses ARM or FPGA.
Range finding for mobile device the most according to claim 3 and the device following location, it is characterized in that, described arithmetic element is for calculating the distance between mobile device and object to be followed according to the time difference between transmitting terminal digital signal and receiving terminal digital signal, and then calculates move distance according to described distance and threshold distance difference.
Range finding for mobile device the most according to claim 1 and the device following location, it is characterised in that also include kinetic control system；Described kinetic control system is arranged in described mobile device；Described arithmetic element connects described kinetic control system；
Described kinetic control system is for driving mobile device according to described move distance, it is achieved the following and positioning of mobile device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521014165.0U CN205539455U (en) | 2015-12-08 | 2015-12-08 | A device that is used for range finding of mobile device and follows location |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521014165.0U CN205539455U (en) | 2015-12-08 | 2015-12-08 | A device that is used for range finding of mobile device and follows location |
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| Publication Number | Publication Date |
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| CN205539455U true CN205539455U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521014165.0U Withdrawn - After Issue CN205539455U (en) | 2015-12-08 | 2015-12-08 | A device that is used for range finding of mobile device and follows location |
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| CN (1) | CN205539455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425233A (en) * | 2015-12-08 | 2016-03-23 | 上海酷哇机器人有限公司 | Apparatus and method for range finding, following and positioning for mobile equipment |
| CN107121989A (en) * | 2017-05-17 | 2017-09-01 | 深圳市元时科技有限公司 | The method and system that a kind of radio magnetic wave is followed |
-
2015
- 2015-12-08 CN CN201521014165.0U patent/CN205539455U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425233A (en) * | 2015-12-08 | 2016-03-23 | 上海酷哇机器人有限公司 | Apparatus and method for range finding, following and positioning for mobile equipment |
| CN107121989A (en) * | 2017-05-17 | 2017-09-01 | 深圳市元时科技有限公司 | The method and system that a kind of radio magnetic wave is followed |
| CN107121989B (en) * | 2017-05-17 | 2020-09-15 | 深圳市元时科技有限公司 | Wireless electromagnetic wave following method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 241000 Anhui city of Wuhu province Jiujiang Electronic Industrial Park Building 7 floor, room 7004 Patentee after: Anhui cool robot Co., Ltd. Address before: 200233 Shanghai, Xuhui District Rainbow Road, No. 64, building 502, room 5, room 421 Patentee before: SHANGHAI KUWA ROBOT CO., LTD. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20180803 |