CN109188350A - A kind of assets positioning system and the assets localization method based on assets positioning system - Google Patents
A kind of assets positioning system and the assets localization method based on assets positioning system Download PDFInfo
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- CN109188350A CN109188350A CN201810924975.1A CN201810924975A CN109188350A CN 109188350 A CN109188350 A CN 109188350A CN 201810924975 A CN201810924975 A CN 201810924975A CN 109188350 A CN109188350 A CN 109188350A
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- assets
- radio frequency
- signal
- coarse positioning
- frequency label
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0257—Hybrid positioning
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention is applicable in internet of things field, provide a kind of assets positioning system and the assets localization method based on assets positioning system, this method includes the rough positioning device being mounted in assets, location-server, the radio frequency label and radio frequency label detector being mounted in the assets, the present invention is first by location-server according to receiving, the coarse positioning precision signal that rough positioning device is sent carries out coarse positioning to assets, determine a coarse positioning range, to realize the privacy that ensure that assets user while assets positioning, only when user needs to be accurately positioned assets, the radio frequency signal just sent by the radio frequency label that the detection of radio frequency label detector is mounted in assets, assets are accurately positioned, to on the basis of guaranteeing user's privacy, it ensure that assets when assets are searched It is accurately positioned.
Description
Technical field
The invention belongs to internet of things field more particularly to a kind of assets positioning system and based on assets positioning system
Assets localization method.
Background technique
The various asset-based borrowings of modern commerce social activities, the wholesale commodity consumption class size of the loan are huge, are modern quotient
The indispensable a part of industry.All kinds of lending agencies in order to guarantee the safety offered loans need using technological means guarantee phase
Closing guaranty can supervise, can position, can pursue.For moveable important guaranty, such as automobile, the technology hand generallyd use
Section is GPS or Beidou positioning device.
However, there is following defect using the system that GPS and Beidou equipment position:
1, there is the hidden danger for invading individual citizens privacy.The positioning accuracy of Beidou and GPS are high, can be accurately positioned client's
Location information forms the movement track of client, and individual citizens privacy may be invaded in the case where improper use；
2, GPS and Beidou positioning depend on earth-circling satellite system, in some regions such as underground parking, no satellite
Signal will lose assets；
3, GPS and Beidou technology are well-known a kind of regulation technique, there is numerous signal shielding device of automobile in the market,
The failure for causing asset monitor can very easily be formed.
Summary of the invention
The purpose of the present invention is to provide a kind of assets positioning system and based on the assets localization method of assets positioning system,
Aim to solve the problem that the influence due to existing assets positioning system vulnerable to secret protection, the problem for causing assets location efficiency bad.
On the one hand, the present invention provides a kind of assets positioning system, the method includes the following steps:
The rough positioning device being mounted in assets, for sending coarse positioning essence by phased manner according to default transmission time interval
Spend signal；
Location-server, the coarse positioning precision signal for being sent according to rough positioning device receive, described is to described
Assets are positioned；
The radio frequency label being mounted in the assets, for sending the radio frequency signal including tag identification number；
And
Radio frequency label detector, the radio frequency signal sent for detecting the radio frequency label.
Preferably, the positioning accuracy that the location-server positions the assets is 50 meters to 2000 meters.
Preferably, the location-server positions the rough positioning device using communication base station or WiFi.
Preferably, the radio frequency label is RFID tag, and the radio frequency label detector is RFID reader.
On the other hand, the present invention provides a kind of assets localization method based on above-mentioned assets positioning system, the methods
Include:
The rough positioning device sends coarse positioning precision signal according to default transmission time interval by phased manner；
The location-server receives the coarse positioning precision signal that the rough positioning device is sent, described thick based on the received
Positioning accuracy signal positions the assets, to obtain the coarse positioning accuracy rating of the assets；
The radio frequency label is detected by the radio frequency label detector in the coarse positioning accuracy rating
The radio frequency signal of transmission is accurately positioned the assets according to the radio frequency signal detected.
Preferably, the signal frequency and mobile phone and WiFi for the coarse positioning precision signal that the rough positioning device is sent are believed
Number signal frequency it is identical.
It is further preferred that the rough positioning device sends coarse positioning precision according to default transmission time interval by phased manner
Before the step of signal, further includes:
Rough positioning device detection according to the preset signals send coarse positioning precision signal that frequency is sent whether by
Shielding；
When detecting that the coarse positioning precision signal is shielded, extend the transmission time interval, it is described thick to postpone
The transmission of positioning accuracy signal.
Preferably, it is wirelessly penetrated in the coarse positioning accuracy rating by the way that radio frequency label detector detection is described
Frequency marking was signed and issued before the step of radio frequency signal sent, further includes:
The pass of the association between the radio frequency label detector and the radio frequency label is established by signing identification number
System.
Preferably, the less radio-frequency that the radio frequency label is sent is detected by the radio frequency label detector to believe
Number the step of, comprising:
According to the size for the radio frequency signal in each direction that the radio frequency label detector receives, mobile institute
It states radio frequency label detector and/or changes the antenna direction of the radio frequency label detector.
Assets positioning system provided by the invention includes the rough positioning device, location-server, installation being mounted in assets
Radio frequency label and radio frequency label detector in the assets, the present invention pass through first location-server according to
The coarse positioning precision signal that receive, rough positioning device is sent carries out coarse positioning to assets, determines a coarse positioning range, thus
It ensure that the privacy of assets user is just led to only when user needs to be accurately positioned assets while assets positioning realizing
Cross the radio frequency signal that the radio frequency label that is mounted in assets of radio frequency label detector detection is sent, to assets into
Row is accurately positioned, to ensure that assets when assets are searched are accurately positioned on the basis of guaranteeing user's privacy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the assets positioning system that the embodiment of the present invention one provides；And
Fig. 2 is the implementation flow chart of assets localization method provided by Embodiment 2 of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific implementation of the invention is described in detail below in conjunction with specific embodiment:
Embodiment one:
The structure that Fig. 1 shows the assets positioning system of the offer of the embodiment of the present invention one illustrates only for ease of description
Part related to the embodiment of the present invention.
Assets positioning system 1 provided in an embodiment of the present invention includes rough positioning device 11, location-server 12, less radio-frequency
Label 13 and radio frequency label detector 14, rough positioning device 11 and radio frequency label 13 can be with any convenient sides
Formula is mounted in assets, to be used to position assets, to facilitate search of the assets possessor to assets, wherein assets can
Think the various assets such as automobile, yacht, furniture or article, these assets can be the article for leasing or mortgaging.
For rough positioning device 11 for sending coarse positioning precision signal, location-server 12 can utilize coarse positioning precision signal pair
Rough positioning device 11 carries out large range of positioning, that is to say, that the positioning accuracy that location-server 12 positions assets
Range is larger, is coarse positioning rather than accurate positioning, to guarantee that assets user's is hidden when carrying out coarse positioning to assets
It is private.Preferably, the positioning accuracy that location-server 12 positions assets is 50 meters to 2000 meters, thus guaranteeing that assets make
While employment privacy, will not it is in need assets are accurately searched when increase search assets difficulty.Further preferably
Ground, the signal frequency and the signal frequency phase of mobile phone and WiFi signal of the coarse positioning precision signal that rough positioning device 11 is sent
Together, in this way, since assets user needs using mobile phone and WiFi signal itself, so that assets user is difficult to make
Rough positioning device 11 is shielded with ordinary phone or WiFi signal shielding device, ensure that the validity of positioning, while
It ensure that the safety of assets.
Believe it is further preferred that rough positioning device 11 sends coarse positioning precision according to default transmission time interval by phased manner
Number, in this way, location-server 12 when being positioned using rough positioning device 11, is only capable of obtaining assets discontinuity, coarse positioning
Range, so that it is hidden to further improve assets user individual while battery uses duration in improving rough positioning device 11
Private protection.Specifically, rough positioning device 11 can with per every few seconds, tens seconds or a few minutes send coarse positioning precision letter
Number.
Location-server 12 be used for according to receive, rough positioning device 11 send coarse positioning precision signal to assets into
Row positioning.For example, when the signal frequency of rough positioning device 11 is identical as the signal frequency of mobile phone or WiFi signal, positioning
Server 12 can position rough positioning device 11 using base station or WiFi signal.Location-server 12 specifically can be one
Asset management platform or server, for managing assets information, rough positioning device, radio frequency label and radio frequency label
Detector etc..Assets and rough positioning device, radio frequency label can be associated by location-server 12, consequently facilitating
The coarse positioning of assets and accurate positioning.
Radio frequency label 13 is for sending the radio frequency signal including tag identification number, radio frequency label detector
The radio frequency signal that 14 detectable radio frequency labels 13 are sent, it is more accurate fixed to be carried out to radio frequency label 13
Position, that is to say, that the positioning accuracy that radio frequency label detector 14 positions assets is higher, thus needing to look for nothing
Accurate positioning is provided when line RF tag 13, assets is improved and looks for efficiency.Preferably, radio frequency label 13 is RFID
(Radio Frequency Identification) label, correspondingly, radio frequency label detector 14 are RFID reader,
To realize that assets are accurately positioned in smaller range, are reduced using radio frequency label 13 and radio frequency label detector 14
The hardware requirement of assets positioning.
In embodiments of the present invention, since the value of different assets is different, the stolen risk of assets is different, therefore, can
The quantity of the rough positioning device and radio frequency label that are mounted in assets is determined with the value according to assets, alternatively, it is also possible to
The quantity of the rough positioning device and radio frequency label that are mounted in assets is determined according to the credit of assets user.For example, 10
Ten thousand used car only needs to install a rough positioning device and a radio frequency label, and 1,000,000 new car may need to pacify
Fill the radio frequency label of 3-5 rough positioning device and respective numbers.
In embodiments of the present invention, under normal circumstances, when user needs substantially to understand the Position Approximate of assets, pass through assets
Location-server 12 receives the coarse positioning precision signal that rough positioning device 11 is sent in positioning system 1, based on the received coarse positioning
Precision signal carries out coarse positioning to assets, to obtain the coarse positioning accuracy rating (for example, 50 meters to 2000 meters) of assets, thus
In the case where guaranteeing assets security, the individual privacy of assets user is improved.When needing accurately to look for assets, user then may be used
Further use radio frequency label detector 14 in coarse positioning accuracy rating detection wireless RF tag 13 send it is wireless
Radiofrequency signal is accurately positioned assets according to the radio frequency signal detected, to look for assets from thick to thin (to money
When production is positioned), improve the search efficiency of assets.
Embodiment two:
Fig. 2 shows the implementation processes of assets localization method provided by Embodiment 2 of the present invention only to show for ease of description
Go out part related to the embodiment of the present invention, details are as follows:
In step s 201, rough positioning device sends coarse positioning precision letter according to default transmission time interval by phased manner
Number.
Assets positioning system of the embodiment of the present invention suitable for embodiment one, with for receive user to assets into
When row positioning or the request looked for, assets are positioned.The transmission time interval of coarse positioning precision signal can for several seconds, it is several
Ten seconds or a few minutes, in this way, subsequent location-server when being positioned using rough positioning device, is only capable of obtaining assets discontinuity
Coarse positioning range, thus improve rough positioning device in battery use duration while, further improve assets user
The protection of individual privacy.
Before rough positioning device sends coarse positioning precision signal according to default transmission time interval by phased manner, preferably
Ground, rough positioning device detection send whether the coarse positioning precision signal that frequency is sent is shielded according to preset signals, are detecting
When coarse positioning precision signal is shielded, extend transmission time interval, to postpone the transmission of coarse positioning precision signal, thus detecting
Unnecessary signal is abandoned when being shielded to coarse positioning precision signal to send, and extends transmission time interval, ensure that coarse positioning essence
Degree signal continues to send, while improving the utilization rate of battery in rough positioning device.
Since assets user itself needs using mobile phone and WiFi network, assets user is difficult with common electricity
Words or WiFi signal shielding device shield rough positioning device, it is therefore preferred that the coarse positioning essence that rough positioning device is sent
The signal frequency for spending signal is identical as the signal frequency of mobile phone and WiFi signal, thus guaranteeing the same of positioning validity
When, it ensure that the safety of assets.
In step S202, location-server receives the coarse positioning precision signal that rough positioning device is sent, based on the received
Coarse positioning precision signal positions assets, to obtain the coarse positioning accuracy rating of assets.
In embodiments of the present invention, since the signal that rough positioning device is sent is coarse positioning precision signal, positioning clothes
The positioning accuracy range that business device positions assets is larger, is coarse positioning rather than accurate positioning, to ensure that assets
The privacy of user.It preferably, is 50 meters to 2000 meters using the positioning accuracy that coarse positioning precision signal positions assets,
To while guaranteeing assets user privacy, reduce the difficulty for searching assets when needing to be accurately positioned assets.
In step S203, pass through radio frequency label detector detection wireless RF tag in coarse positioning accuracy rating
The radio frequency signal of transmission is accurately positioned assets according to the radio frequency signal detected.
In embodiments of the present invention, it before the radio frequency signal that detection wireless RF tag is sent, is identified by label
The incidence relation between radio frequency label detector and radio frequency label number is established, to realize that radio frequency label detects
The further accurate positioning of assets is realized in the binding of device and radio frequency label eventually by the positioning of label.
After the coarse positioning accuracy rating for obtaining assets, through radio frequency label detector in coarse positioning accuracy rating
When the radio frequency signal that detection wireless RF tag is sent, it is preferable that received according to radio frequency label detector every
The size of radio frequency signal on a direction, mobile wireless radio frequency tag detector and/or change radio frequency label detector
Antenna direction, to accelerate the positioning of assets.Specifically, the detection of radio frequency label detector should have directionality, when right
Assets direction when, signal is most strong, most weak backwards to signal when assets direction, and passes through different frequency or the buzzer of volume
It prompts subscriber signal size or image conversion to show signal magnitude, is positioned with further facilitating user to assets.
In embodiments of the present invention, it when receiving the request that user looks for assets, is connect by location-server
The coarse positioning precision signal that rough positioning device is sent is received, coarse positioning precision signal carries out coarse positioning to assets based on the received, with
The coarse positioning accuracy rating of assets is obtained, so that the individual for improving assets user is hidden in the case where guaranteeing assets security
It is private.Further, when needing accurately to look for assets, user can then further use radio frequency label detector in coarse positioning
In accuracy rating detection wireless RF tag send radio frequency signal, according to the radio frequency signal detected to assets into
Row is accurately positioned, to look for assets from thick to thin, while guaranteeing assets user individual privacy, improves looking into for assets
Look for efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of assets positioning system, which is characterized in that the method includes the following steps:
The rough positioning device being mounted in assets, for sending coarse positioning precision letter by phased manner according to default transmission time interval
Number；
Location-server, the coarse positioning precision signal for being sent according to rough positioning device receive, described is to the assets
It is positioned；
The radio frequency label being mounted in the assets, for sending the radio frequency signal including tag identification number；And
Radio frequency label detector, the radio frequency signal sent for detecting the radio frequency label.
2. the system as claimed in claim 1, which is characterized in that the positioning that the location-server positions the assets
Precision is 50 meters to 2000 meters.
3. the system as claimed in claim 1, which is characterized in that the location-server is using communication base station or WiFi to institute
Rough positioning device is stated to be positioned.
4. the system as claimed in claim 1, which is characterized in that the radio frequency label is RFID tag, described wirelessly to penetrate
Frequency label detector is RFID reader.
5. a kind of assets localization method based on any assets positioning system of claim 1-4, which is characterized in that the side
Method includes:
The rough positioning device sends coarse positioning precision signal according to default transmission time interval by phased manner；
The location-server receives the coarse positioning precision signal that the rough positioning device is sent, based on the received the coarse positioning
Precision signal positions the assets, to obtain the coarse positioning accuracy rating of the assets；
The radio frequency label is detected by the radio frequency label detector in the coarse positioning accuracy rating to send
Radio frequency signal, the assets are accurately positioned according to the radio frequency signal detected.
6. method as claimed in claim 5, which is characterized in that the letter for the coarse positioning precision signal that the rough positioning device is sent
Number frequency is identical as the signal frequency of mobile phone and WiFi signal.
7. method as claimed in claim 6, which is characterized in that the rough positioning device is interrupted according to default transmission time interval
Before the step of sending coarse positioning precision signal to property, further includes:
The rough positioning device detection sends whether the coarse positioning precision signal that frequency is sent is shielded according to the preset signals；
When detecting that the coarse positioning precision signal is shielded, extend the transmission time interval, to postpone the coarse positioning
The transmission of precision signal.
8. method as claimed in claim 5, which is characterized in that pass through the less radio-frequency in the coarse positioning accuracy rating
Label detector detected before the step of radio frequency signal that the radio frequency label is sent, further includes:
The incidence relation between the radio frequency label detector and the radio frequency label is established by signing identification number.
9. method as claimed in claim 5, which is characterized in that detected by the radio frequency label detector described wireless
The step of radio frequency signal that RF tag is sent, comprising:
According to the size for the radio frequency signal in each direction that the radio frequency label detector receives, the mobile nothing
Line radio frequency tag detector and/or the antenna direction for changing the radio frequency label detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924975.1A CN109188350A (en) | 2018-08-14 | 2018-08-14 | A kind of assets positioning system and the assets localization method based on assets positioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924975.1A CN109188350A (en) | 2018-08-14 | 2018-08-14 | A kind of assets positioning system and the assets localization method based on assets positioning system |
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| CN201810924975.1A Pending CN109188350A (en) | 2018-08-14 | 2018-08-14 | A kind of assets positioning system and the assets localization method based on assets positioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109975741A (en) * | 2019-02-12 | 2019-07-05 | 上海交通大学烟台信息技术研究院 | A kind of facility locations management method based on Multiscale Fusion positioning |
| CN111896043A (en) * | 2020-06-05 | 2020-11-06 | 北京无线电计量测试研究所 | Inspection well fault positioning system and inspection well fault positioning method |
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| US20180180702A1 (en) * | 2005-12-15 | 2018-06-28 | Polte Corporation | Partially synchronized multilateration or trilateration method and system for positional finding using rf |
| CN104698435A (en) * | 2015-03-19 | 2015-06-10 | 南京旭品信息科技有限公司 | System and method for realizing positioning wireless beacon geographic position |
| CN108318858A (en) * | 2018-04-23 | 2018-07-24 | 梁贺明 | A kind of system for monitoring the position of luggage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109975741A (en) * | 2019-02-12 | 2019-07-05 | 上海交通大学烟台信息技术研究院 | A kind of facility locations management method based on Multiscale Fusion positioning |
| CN111896043A (en) * | 2020-06-05 | 2020-11-06 | 北京无线电计量测试研究所 | Inspection well fault positioning system and inspection well fault positioning method |
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Application publication date: 20190111 |