CN202103856U - Solar energy cell powered wireless positioning information device - Google Patents
Solar energy cell powered wireless positioning information device Download PDFInfo
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- CN202103856U CN202103856U CN2011202211530U CN201120221153U CN202103856U CN 202103856 U CN202103856 U CN 202103856U CN 2011202211530 U CN2011202211530 U CN 2011202211530U CN 201120221153 U CN201120221153 U CN 201120221153U CN 202103856 U CN202103856 U CN 202103856U
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Abstract
The present utility model discloses a solar energy cell powered wireless positioning information device. The device comprises a half duplex wireless local area network access point which fits the 802.11 protocol beacon frame broadcasting way, a memory and a solar energy cell, the solar energy cell is connected with the power supply access end of the wireless local area network access point, label information is arranged inside the memory, and the memory is connected with a wireless signal emitter through a processor. By utilizing the wireless local area network access point to broadcast label information of known geographic locations, and utilizing a general WIFI hand-held device to enter signal covering scopes of the wireless local area network access point by a user, the locations and other related information can be obtained without setting up complete ground networks. Location related information can be provided by adopting a most basic WIFI access point unidirectional emission interface, the system is relatively cheap, and the effective scope of the location information label can be planned and adjusted. Moreover, the access point is power-supplied by the solar energy cell, and not dependent on the power supply of power lines.
Description
Technical field
The utility model relates to electricity field, relates in particular to wireless electronic communication techniques, and is particularly a kind of with the battery powered wireless location massaging device of solar energy.
Background technology
In the prior art, wireless location technology can be divided into three major types, and the first kind is to utilize the RFID read head to carry out the location to this RFID read head at the access point position at networking, utilizes the RFID read head of having good positioning to the RFID tag location again.Second type is directly the RFID read head to be located at RFID read head adding GPS or other radio positioner, utilizes the RFID read head of having good positioning to come the tag location to RFID again.Above-mentioned two types all is to locate read head earlier, utilizes read head to make the position of RFID label again.The 3rd type is the position of first fixed labels, lets the user utilize special RFID read head to read the RFID label of having good positioning again, thereby finds out own in the scope of which label position.Above-mentioned three types of wireless location systems are widely used in the location information service, as the positional information between the show area in the exhibition center is provided, perhaps further provide in the exhibition center a certain in the sign of showpiece perhaps, also often be used in the location management of storage object etc.
In the location technology of the first kind; The position that label is made in the position that utilizes read head to belong to; For example IP based RFID navigation system is located WiFi RFID read head with access point with ready-made WiFi network, perhaps sets up special fixer network in addition the RFID read head is positioned.But special WiFi RFID read head and special radio frequency fixer network all need considerable investment, and in operation, have no idea to obtain needed location information service through user's handheld device.
In second type location technology, increased the device of exclusive special location technology in the read head the inside, produced the problem of compatibility and portability, also want input ratio installation cost.
Though the IP based RFID navigation system in the first kind can utilize existing WiFi networking and existing WiFi client to position; But have only place to be suitable for to the WiFi Wi-Fi is arranged; For there not being the WiFi networking originally; Especially open-air or regional vast orientation range need set up a complete WiFi network with higher investment.
In the 3rd type the location technology, let the user read RFID label and relevant content material, still with special RFID read head; The cost of special RFID read head is also very high, also must often upgrade the content service software on the special RFID read head, therefore can cause ISP's difficult management; Add that the user must oneself go to the RFID label and remove to read the RFID label; Cause the suitable inconvenience of user, when implementing, not only increase many unnecessary the walking about the time of user on a large scale; Even possibly can not find the RFID label of relevant location information, let the user can not get due information.
Except above problem, existing wireless location system all needs power line power supply or needs often to change battery, also all can cause difficulty.
Summary of the invention
It is a kind of with the battery powered wireless location massaging device of solar energy that the purpose of the utility model is to provide, described this with the battery powered wireless location massaging device of solar energy to solve in the prior art that the wireless location technology hardware investment is big, compatibility and portability is poor, management inconvenience, power supply difficult technologies problem.
This of the utility model comprises at least one half worker's wireless local network connecting point with the battery powered wireless location massaging device of solar energy; Wherein, All include a wireless signal transmitter, a memory in described half worker's wireless local network connecting point; Be provided with label information in the described memory; Memory is connected with described wireless signal transmitter through processor, and when half worker's wireless local network connecting point sent the beacon frame broadcast singal, wireless signal transmitter sent the SSID that stored label information is placed in the beacon frame broadcast singal.
Further, the beacon frame broadcast singal of described any one and half worker's wireless local network connecting points all meets IEEE 802.11 agreements.
Further, comprise a solar cell, described solar cell is connected with the power access end of half worker's wireless local network connecting point.
Further, the time interval of the beacon frame broadcast singal of described half worker's wireless local network connecting point changes along with the remaining power capacity of described inside solar energy battery, and the electric power residue is few more, and blanking time is long more.
Further, change the range of receiving of wireless lan client, with the adjustment positioning accuracy through the transmitting power of adjusting described wireless signal transmitter.
Further, further store other several groups of postscripts in the described memory, in 802.11 beacon frame broadcast singals, send with the non-ip address form via wireless signal transmitter.
Described memory is safety card (SD) or little safety card (Micro SD) of standard.
Described processor is connected with a USB interface, can be used for downloading data.
Further; When battery electric power is greater than or equal to 80% battery capacity; Described half worker's wireless local network connecting point is every at a distance from SSID of 500 milliseconds of emissions, and less than 80% and when being greater than or equal to 60% battery capacity, half worker's wireless local network connecting point was whenever launched a SSID at a distance from 1 second at battery electric power; At battery electric power less than 60% and when being greater than or equal to 40% battery capacity; Half worker's wireless local network connecting point is every at a distance from SSID of emission in 2 seconds, and during less than 40% battery capacity, half worker's wireless local network connecting point was whenever launched a SSID at a distance from 5 seconds at battery electric power.
The operation principle of the utility model is: first version of IEEE 802.11 is published in 1997, has defined medium access access control layer (MAC layer) and physical layer.Wherein physical layer has defined two kinds of wireless frequency modulation modes and a kind of mode of Infrared Transmission on the ISM band that is operated in 2.4GHz, and overall data transmission rate is designed to 2Mbit/s.Communication between two equipment can the free directly mode of (ad hoc) be carried out, and also can be in the base station carries out under the coordination of (Base Station) or accessing points (Access Poin).2.4GHz ISM band for overwhelming majority of countries is general in the world, so 802.11b has obtained the most widely using.IEEE 802.11 agreements have realized Wireless Fidelity communication (Wireless Fidelity is called for short WiFi).
Adopt the WiFi technology to dispose Local Area Network, can let client device need not to use electric wire, can fall the cost of network design and expansion usually.WLAN like open air district and historical building, can be adopted in the many spaces that can not set up cable.WiFi has become the general infrastructure of enterprise, but the work of indifference Anywhere in the world of any Wi Fi standard device.
The basic composition of WiFi network has website (Station), basic service unit (Basic Service Set, distribution system (Distribution System) and access point (Access Point)., the part that network is the most basic.The basic service unit is the most basic service unit of wireless network.The simplest service unit can only be made up of two websites.Website can connect (associate) dynamically in the basic service unit.Distribution system is used to connect different basic service unit.The media (Medium) that distribution system uses is well-separated with the media that the basic service unit uses in logic, although they physically may be same media, and for example same radio band.The identity of the existing common website of access point has the function that is linked into distribution system again.
WLAN is very easy to come to light, and finds the existence of wireless network in order to make the user, and network sends the beacon frame (beacon frame) that special parameter is arranged.Access point just will be served identifier SSID (Service Set Identifier) at set intervals and divided into groups broadcasting once via beacon frame; Be 100ms the blanking time of acquiescence; Beacon frame transmission packets speed is 1 Mbit/s; And the weak point that length is suitable, so this broadcasting action is little to the influence of network performance.The minimum transmission rate of the WiFi regulation of standard is 1 Mbit/s, can both receive this SSID broadcast packe in order to guarantee all Wi-Fi client end, and client can determine whether will be connected with the AP of this SSID whereby.The user can be provided with will be connected to for which SSID.The WiFi system is always to open its connection standard of client, and the support roaming.Utility model is utilized this characteristic of WiFi; With beacon frame (beacon frame) the at interval broadcasting of the label information that is provided with in the memory by the WiFi standard; Wireless lan client promptly can be confirmed to be in the signal coverage areas of which access point after receiving label information, thereby realizes wireless location.Solar cell is that access point provides power supply, makes it not rely on the power supply of power line.
The utility model and prior art are compared, and its effect is actively with tangible.The utility model utilizes the label information of wireless local network connecting point broadcasting known geographical locations; After the signal of wireless lan client entering wireless local network connecting point covers scope; Promptly can confirm to be in the signal coverage areas of which access point after receiving label information, thereby realize wireless location.The user utilizes a general WiFi hand-held device or an electricity all can obtain positional information; Need not set up complete ground network; Only take the unidirectional emission interface of the most basic WiFi access point, just the location dependent content information service can be provided, system is relatively cheap; Can let the effective range of position information labels adjusted again by planning; It is that access point provides power supply that the service range of flexible planning location tags, the utility model have adopted solar cell again, makes it not rely on the power supply of power line.
Description of drawings
Fig. 1 is a principle schematic with the battery powered wireless location massaging device of solar energy of the utility model.
Fig. 2 is another principle schematic with the battery powered wireless location massaging device of solar energy of the utility model.
Fig. 3 is the sketch map with an embodiment of the battery powered wireless location massaging device of solar energy of the utility model.
Embodiment
As shown in figures 1 and 3; The utility model with the battery powered wireless location massaging device of solar energy, comprise at least one half worker, half worker's wireless local network connecting point 1, wherein; All include a wireless signal transmitter 11, a memory 12 in described half worker, half worker's wireless local network connecting point 1; A processor 14 is provided with label information in the described memory 12, and memory 12 is connected with described wireless signal transmitter 11 through processor 14; When half worker, half worker's wireless local network connecting point 1 sent the beacon frame broadcast singal, wireless signal transmitter 11 sent the SSID that stored label information is placed in the beacon frame broadcast singal.
Further, the beacon frame broadcast singal of described any one and half workers, half worker's wireless local network connecting point 1 all meets IEEE 802.11 agreements.
Further; Holder 12 is one can take out the device of revising content; For example adopt safety card (SD card) or little safety card (micro SD card) of standard; That preferred is little safety card (micro SD card), and the attendant changes new little safety card into and just can upgrade label substance as long as take out old little safety card.
Further, processor 14 has the USB interface, through the content in the USB interface modification holder 12 of processor 14; When system was designed to adopt USB interface modification holder content, holder can be the memory body that in processor, includes, and can be the flash memory on the PCB; It also can be the aforesaid memory storage that can take out; Attendant or reclaim old label changes new label into, update content one by one again after the old label recovery; Perhaps can upgrade label substance then and there with the usb host device that the USB interface is arranged (host device).
Further, comprise a solar cell, described solar cell is connected with the power access end of half worker, half worker's wireless local network connecting point 1.
Further, change the range of receiving of wireless lan client, with the adjustment positioning accuracy through the transmitting power of adjusting described wireless signal transmitter 11.
In an embodiment of the utility model, the wireless lan client 2 in any wireless transmission signal effective range that gets into half worker's wireless local network connecting point 1 all can receive the broadcast singal of half worker's wireless local network connecting point 1.Because 1 of described half worker's wireless local network connecting point needs the emission broadcast beacon frame; Do not need receiving ability just can reach the function of location tags; If have the global function chip of transmitting-receiving ability to realize the utility model but adopt, though wasted the wireless receiving ability, cost can't how much expensive; Only need launch the interface and just can realize the location tags function in order to stress the utility model; So be called half worker's wireless local network connecting point, expression only needs the emission interface, does not need receiving ability just can reach the purpose of the utility model.
Described half worker, half worker's wireless local network connecting point 11 meets IEEE 802.11 agreements, and any wireless lan client 2 that meets IEEE 802.11 agreements all can be found this location tags via the beacon frame broadcast singal that half worker's wireless local network connecting point 1 sends.
Described wireless lan client 2 can be a wireless handheld device, also can be notebook computer.
The physical location that includes three and half worker's wireless local network connecting points 1 and 2, three half worker's wireless local network connecting points 1 of two wireless lan clients among the embodiment shown in Figure 3 is known, and is installed in two wireless lan clients 2 through service software.Wireless signal transmitter 11 in any one and half worker's wireless local network connecting points 1 all each has a signal cover 15.
Concrete, half worker's wireless local network connecting point 1 is placed on suitable place, when the user goes to when neighbouring; The wireless lan client 2 that the user hands will be received radiofrequency signal; The scope of accepting can change through the transmitting power of adjustment wireless signal transmitter 11, and power is high more, and scope is big more; The scope that WiFi is maximum approximately can have 50 meters to 200 meters in the place of spaciousness.
The radio broadcasting beacon frame is a kind of normal 2 layers of frame (acquiescence 100ms sends once) of 802.11 agreements; General connector can legally obtain without any need for voucher, wherein comprises SSID (service set identifier) the service identifier name field of this WLAN.
SSID is the proper noun of 802.11 Wi-Fis, and each client WiFi equipment all can receive the SSID that AP sends out, and SSID can arrive 32 character lengths.SSID will be shown to the user to see, so SSID exists with the form that the mankind can read usually.But 802.11 standard not regulation must be the character style that the mankind can read, so long as 2 to 32 eight bit characters, can be as SSID.
The label information that is provided with in the memory 12 is exactly the standard according to WiFi, sees off with the form of SSID.
In the WiFi standard, so long as the part of an extended service set ESS in the same networking, even the shared identical SSID of a plurality of AP also is a kind of legal occupation mode.
Do not stipulate in the WiFi standard that one and half worker's wireless local network connecting points 1 can only use a SSID; So to the application demand of some; Can design and send a plurality of SSID, system can provide other information materials except the position via half worker's wireless local network connecting point 1.
Half worker's wireless local network connecting point 1 can be arranged to above the article or inside; When article are moved; Half worker's wireless local network connecting point 1 and then moves; When wireless lan client 2 was gone in the label information radio-frequency region of these article, wireless lan client 2 was found the SSID broadcasting of half worker's wireless local network connecting point 1, and client software just can react the information on services of being correlated with.
In the prior art, a lot of as the hand-held device of wireless lan client 2, similarly be that iPhone, e-book and an electricity can both be as wireless lan clients 2.
Relevant information on services can downloaded via internet or cell phone network in advance; No matter be exhibition information or Item Information all in the middle of the application software of downloading, document, figure shelves, video, application software can provide relevant data according to the WiFi SSID information that receives.
If in the zone of setting up standard WiFi network, also can utilize the WiFi network real-time that information on services is provided.
If WiFi handset can certainly utilize cell phone network that information on services is provided constantly.
Embodiment 2:
As shown in Figure 2, also include a solar cell 13 in any described half worker's wireless local network connecting point 1, described solar cell 13 is connected with the power access end of half worker's wireless local network connecting point 1.
Situation all can also have average sunshine of four hours annual every days at the best elevation angle for the most place of China, the solar energy system of not solar tracking, connects the place of leaning on the north like this of Tongjiang City, also has 3.6 hours average sunshine in December in every year.So cooperate suitable solar cell 13, such design does not need power line, just can keep the continuous firing of half worker's wireless local network connecting point 1.
Half worker's wireless local network connecting point 1 is placed on suitable place, and when the user goes to when neighbouring, wireless lan client 2 will be received radiofrequency signal; The scope of accepting can be set transmitting power via adjustment and change, and power is high more, and scope is big more; But when battery electric power is not enough; The WiFi transmitting power is diminished, prolonged service time, wait for the chance of luminous energy charging next time.
SSID is by once being broadcast to next time between the broadcasting, and WiFi AP gets into sleep pattern to save electric power.
Because giving out light, battery discharge can shorten battery life; Solar cell planning becomes approximately deals with three days electric power of normal full load with the ability energy storage in a day of charging; So can be used for supporting can also keeping certain electric power under three days not sunny situations of wet weather, and enhance battery useful life.
Above embodiment is merely and illustrates, non-providing constraints.Anyly do not break away from the utility model spirit and category, and, all should be contained among the application's the claim scope its equivalent modifications of carrying out or change.
Claims (5)
1. one kind with the battery powered wireless location massaging device of solar energy; Comprise at least one half worker's wireless local network connecting point; It is characterized in that: all include a wireless signal transmitter, a memory in described half worker's wireless local network connecting point; Be provided with label information in the described memory, memory is connected with described wireless signal transmitter through processor.
2. as claimed in claim 1 a kind of with the battery powered wireless location massaging device of solar energy, it is characterized in that: the beacon frame broadcast singal of described any one and half worker's wireless local network connecting points all meets IEEE 802.11 agreements.
3. as claimed in claim 1 a kind of with the battery powered wireless location massaging device of solar energy, it is characterized in that: comprise a solar cell, described solar cell is connected with the power access end of half worker's wireless local network connecting point.
4. as claimed in claim 1 a kind of with the battery powered wireless location massaging device of solar energy, it is characterized in that: described memory is safety card or little safety card of standard.
5. as claimed in claim 1 a kind of with the battery powered wireless location massaging device of solar energy, it is characterized in that: described processor is connected with a USB interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202211530U CN202103856U (en) | 2011-06-27 | 2011-06-27 | Solar energy cell powered wireless positioning information device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011202211530U CN202103856U (en) | 2011-06-27 | 2011-06-27 | Solar energy cell powered wireless positioning information device |
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| CN202103856U true CN202103856U (en) | 2012-01-04 |
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| CN2011202211530U Expired - Fee Related CN202103856U (en) | 2011-06-27 | 2011-06-27 | Solar energy cell powered wireless positioning information device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487785A (en) * | 2012-06-11 | 2014-01-01 | 林碧辉 | Wireless positioning information system |
| CN107911876A (en) * | 2017-11-30 | 2018-04-13 | 丹阳雅奕智能电子技术有限公司 | There is the solar energy auxiliary power supply wireless access point of reference record |
-
2011
- 2011-06-27 CN CN2011202211530U patent/CN202103856U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487785A (en) * | 2012-06-11 | 2014-01-01 | 林碧辉 | Wireless positioning information system |
| CN107911876A (en) * | 2017-11-30 | 2018-04-13 | 丹阳雅奕智能电子技术有限公司 | There is the solar energy auxiliary power supply wireless access point of reference record |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20160627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |