CN206877477U - A kind of Wi Fi voices are looked for something detection device - Google Patents
A kind of Wi Fi voices are looked for something detection device Download PDFInfo
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- CN206877477U CN206877477U CN201720575368.XU CN201720575368U CN206877477U CN 206877477 U CN206877477 U CN 206877477U CN 201720575368 U CN201720575368 U CN 201720575368U CN 206877477 U CN206877477 U CN 206877477U
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- module
- control chip
- power supply
- node
- housing
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Abstract
The utility model Wi Fi voices detection device of looking for something refers to a kind of positioner, especially a kind of to be applied to support various kinds of equipment of Wi Fi communications etc. quickly to look for homing device.Including housing, it is characterised in that：Control chip, sounding module, input module, display module and power supply are provided with housing, sounding module, input module and display module are connected with control chip respectively；Power supply is connected with control chip, sounding module, input module and display module and provides electric energy respectively；The input module uses button, and button is provided projectingly outside housing, and button is connected with control chip；The display module uses display screen, and the screen of the display screen is provided projectingly outside housing；Power switch is externally provided with housing, the power switch is connected with power supply, controls the switching of power supply；The sounding module uses YS XFSV2 voice synthetic module chips.
Description
Technical field
The utility model Wi-Fi voices detection device of looking for something refers to a kind of positioner, and especially one kind is applied to
Various kinds of equipment of Wi-Fi communications etc. is supported quickly to look for homing device.
Background technology
With the popularization of electronic product equipment, handheld device（Mobile phone, tablet personal computer etc.）Possess increasing number per capita, set
It is standby to be miniaturized increasingly.Although these equipment use easily, it is difficult to find after losing.Often it is eager to find certain
The situation that kind equipment but can not quick and precisely be found, have impact on the efficiency of life or work.Particularly blind person crowd, due to can not
It is immediately seen, therefore it is more difficult for them to find thing.
In order to solve this problem, ripe product is that the RFID label tag of positioning is placed in into equipment with patch form at present
On, but such way and dangerous, easily it is torn after being found by people, is also possible to be worn or lose in use
Lose；Also bluetooth tracker, it is attached in the form of viscose or clip in equipment, it is also inconvenient to use and carry, easily quilt
Damage, and Bluetooth wireless transmission distance limitation so that office's property that said apparatus has detection range limits；Also wireless is looked for something
Device, control device sounding or luminous can be sent commands to, but lack feedback device by intelligent terminal with article easy to find
The function of position information and voice broadcast.
Utility model content
The purpose of this utility model is to provide a kind of Wi-Fi voices for above-mentioned weak point to look for something detection device, is utilized
, will the neighbouring heat of automatically scanning after each Wi-Fi Hotspot has a unique MAC Address, the present apparatus to open Wi-Fi
Point device, and uploading device positional information is to device, meanwhile, position is reported to searcher by voice, suitable for various people
Group, is especially beneficial blind person crowd.
The utility model takes following technical scheme to realize：
A kind of Wi-Fi voices detection device of looking for something includes housing, and control chip, sounding module, input are provided with housing
Module, display module and power supply, sounding module, input module and display module are connected with control chip respectively；Power supply respectively with
Control chip, sounding module, input module and display module are connected and provide electric energy；
The input module uses button, and button is provided projectingly outside housing, and button is connected with control chip；
The display module uses display screen, and the screen of the display screen is provided projectingly outside housing；
Power switch is externally provided with housing, the power switch is connected with power supply, controls the switching of power supply.
The sounding module uses commercially available YS-XFSV2 voice synthetic module chips.
Working station indicator is also equipped with outside housing, the working station indicator uses light emitting diode, work
Status indicator lamp is connected with power supply.
It is one piece of single-chip microcomputer for being integrated with ESP8266 that the control chip, which uses NodeMCU, NodeMCU, and it has volume
It is small, the characteristics of autgmentability is strong.NodeMCU is integrated with WIFI chips, solves the problems, such as communication aspects.And the module area
Small, communication distance endurance is strong.
The power supply uses battery.
YS-XFSV2 voice synthetic modules, Chinese and English phonetic synthesis is supported, possess 5 kinds of voice and switch, 80 kinds of prompt tones,
Communication, automatic identification numeral are controlled in a manner of serial ports etc..Carry 3W effects.
The present apparatus in use, control chip selection from the equipment for supporting Wi-Fi communications will search for the MAC Address of equipment,
And list of devices is shown on a display screen；User selects corresponding device i.e. equipment to be sought by button in list of devices；
The distance between the present apparatus and equipment to be sought are worth by control chip, are sent to voice synthetic module and display module, phonetic synthesis
Module is reported out the distance value sent, and display module will be apart from display on a display screen.
A kind of Wi-Fi voices are looked for something the detection method of detection device, using based on RSSI triangle polyester fibre algorithms, measure reality
Distance between border node and router.In conjunction with triangle polyester fibre principle, position positioning is carried out, precision can be higher.
The detection method comprises the following steps：
1）Detection device is placed on loose impediment, the MAC Address by detection device according to equipment, it is determined that to search for
Target, open Location Request；
2）Measure the received signal strength RSSI of unknown node and probe node value；
3）The distance between wireless router node and unknown node and wireless router node are calculated respectively with visiting
The distance between node is surveyed,
ByFormula（1）
DrawFormula（2）
In formula（1）（2）In, d represents wireless router node and the distance between unknown node or probe node；N tables
Show signal propagation coefficient；Signal intensity when A represents unknown node or probe node with wireless router node at a distance of 1m；
Wherein A value is obtained by the RSSI value at measurement distance router 1m.
4）The side formed and wireless router node and probe node if unknown node and wireless router node are connected
When the angle on side formed that is connected is obtuse angle, illustrate that the distance of probe node and unknown node is also far, then the situation at obtuse angle is not
Consider；Otherwise the distance between probe node and unknown node are calculated, and is come out by voice broadcast；
5）According to step 4）Result constantly reduce unknown node and wireless router node be connected the side that forms with it is wireless
Angle between router node and the connected side formed of probe node, repeats step 2）~4）, step by step calculation goes out new spy
Survey the distance between node and unknown node, constantly carry out voice message, until finally close to target untill.
Under various circumstances, it is understood that there may be different signal interferences, must be deposited using RSSI value estimated distance between node
, can be according to specific environment to step 3 in certain error）In the distance that measures carried out using traditional least square method
Amendment, obtains revised distance dRepair；
Formula（3）.
N represents signal propagation coefficient.
Wherein, if wireless router node coordinate is（X1,Y1）, probe node coordinate is（X3,Y3）；With wireless router
Node is the center of circle, the side formed that is connected using wireless router node with probe node as radius, with（X3,Y3）It is attached at its for focus
M sample point is closely taken out, coordinate is respectively（X31,Y31）,（X32,Y32）... ...,（X3m,Y3m）.
So,Formula（4）
b=Formula（5 ）.
The advantages of the utility model：
The present apparatus is using Wi-Fi signal ubiquitous in living area or working region is accessed, as long as search is set
Standby to open Wi-Fi functions, the device is the space transitivity using wireless signal, and the information that will be looked for something to all the winds is sent out
Send, will the neighbouring hotspot device of automatically scanning.Search principle be using each Wi-Fi Hotspot have one it is unique
MAC Address, after searching target device, uploading device positional information is to device immediately.Meanwhile by voice broadcast function position
Put and apart from notice to searcher.According to voice message, constantly adjustment search orientation, decreased distance, until eventually finding target.
The present apparatus realizes a wide range of positioning function of looking for something, and has the characteristics that：
1. the type of pair search equipment does not limit（Wi-Fi functions can be opened）, number of searches no maximum.
2. device can use battery powered, it can also provide power supply by USB interface by other equipment and support.Low-power consumption, section
Can environmental protection.
3. small volume, in light weight, applicability is high, it is compatible it is strong, expansion is strong.Both can be used alone, also can be with other dresses
Put combined use.
Suitable for various crowds, especially beneficial to blind person crowd.The device bodily form is small, is easy to encapsulate.It is simple to operate, practicality
By force.It is convenient and swift, stability and high efficiency.Low-power consumption, Low emissivity, expansibility is strong, is a support voice, the sound, light a variety of sides
The device of formula.
Brief description of the drawings
Below with reference to accompanying drawing, the utility model is described in further detail：
Fig. 1 is the structural representation of the utility model device；
Fig. 2 is structural principle block diagram of the present utility model；
Fig. 3 is triangle polyester fibre principle schematic of the present utility model；
Fig. 4 is the utility model device workflow diagram.
In figure：1st, housing, 2, button, 3, display screen, 4, power switch, 5, working station indicator；
In Fig. 3,6, wireless router node, 7, unknown node, 8, probe node, d21Represent unknown node and wireless routing
The connected side formed of device node, d31Represent probe node be connected with wireless router node composition side, d23Represent unknown node
Be connected the side formed with probe node.
Embodiment
Referring to the drawings 1~4, a kind of Wi-Fi voices detection device of looking for something includes housing 1, is provided with housing 1 and controls core
Piece, sounding module, input module, display module and power supply, sounding module, input module and display module respectively with control chip
It is connected；Power supply is connected with control chip, sounding module, input module and display module and provides electric energy respectively；
The input module uses button 2, and button 2 is provided projectingly outside housing 1, and button 2 is connected with control chip；
The display module uses display screen 3, and the screen of the display screen 3 is provided projectingly outside housing 1；
Power switch 4 is externally provided with housing 1, the power switch 4 is connected with power supply, controls the switching of power supply.
The sounding module uses commercially available YS-XFSV2 voice synthetic module chips.
Working station indicator 5 is also equipped with outside housing 1, the working station indicator 5 uses light emitting diode, work
Make status indicator lamp with power supply to be connected.
The present apparatus in use, control chip selection from the equipment for supporting Wi-Fi communications will search for the MAC Address of equipment,
And list of devices is shown on a display screen；User selects corresponding device i.e. equipment to be sought by button 2 in list of devices；
The distance between the present apparatus and equipment to be sought are worth by control chip, are sent to voice synthetic module and display module, phonetic synthesis
Module is reported out the distance value sent, and display module will be apart from including on display screen 3.
Illustrate the realization of the utility model method below by way of example.
A kind of Wi-Fi voices are looked for something the detection method of detection device, using based on RSSI triangle polyester fibre algorithms, measure reality
The distance between border node and wireless router node；In conjunction with triangle polyester fibre principle, position positioning is carried out, precision can be higher.
The detection method comprises the following steps：
1）Detection device is placed in a loose impediment（Such as：Remote operated vehicle）On, by detection device according to equipment
MAC Address, it is determined that the target to be searched for, open Location Request；
2）Measure unknown node 7 and the received signal strength RSSI of probe node 8 value；
3）Calculate respectively the distance between wireless router node 6 and unknown node 7 and wireless router node 6 with
The distance between probe node 8,
ByFormula（1）
DrawFormula（2）
In formula（1）（2）In, d represents wireless router node 6 and the distance between unknown node 7 or probe node 8；n
Represent signal propagation coefficient；Signal when A represents unknown node 7 or probe node 8 with wireless router node 6 at a distance of 1m is strong
Degree；
Wherein A value is obtained by the RSSI value at measurement distance router 1m.
4）The side d formed if unknown node 7 is connected with wireless router node 621With wireless router node 6 and detection
The connected side d formed of node 831Angle when being obtuse angle, illustrate the distance of probe node 8 and unknown node 7（Corresponding sides d23）Also
Far, then the situation at obtuse angle does not consider；Otherwise the distance between probe node 8 and unknown node 7 are calculated, and is broadcast by voice
Quote and；
5）According to step 4）Result constantly reduce unknown node 7 be connected with wireless router node 6 form side d21With
Wireless router node 6 be connected with probe node 8 form side d31Between angle, repeat step 2）~4）, step by step calculation
Go out the distance between new probe node 8 and unknown node 7, constantly carry out voice message, until finally close to target untill.
Under various circumstances, it is understood that there may be different signal interferences, must be deposited using RSSI value estimated distance between node
, can be according to specific environment to step 3 in certain error）In the distance that measures carried out using traditional least square method
Amendment, obtains revised distance dRepair；
Formula（3）.
N represents signal propagation coefficient.
Wherein, if the coordinate of wireless router node 6 is（X1,Y1）, the coordinate of probe node 8 is（X3,Y3）；With wireless routing
Device node 6 is the center of circle, is connected the side formed with probe node 8 as radius using wireless router node 6, with（X3,Y3）For focus,
M sample point is taken out in its vicinity, and coordinate is respectively（X31,Y31）,（X32,Y32）... ...,（X3m,Y3m）；
So,Formula（4）
b=Formula（5）.
Claims (4)
1. a kind of Wi-Fi voices are looked for something, detection device includes housing, it is characterised in that：Control chip, sounding are provided with housing
Module, input module, display module and power supply, sounding module, input module and display module are connected with control chip respectively；Electricity
Source is connected with control chip, sounding module, input module and display module and provides electric energy respectively；
The input module uses button, and button is provided projectingly outside housing, and button is connected with control chip；
The display module uses display screen, and the screen of the display screen is provided projectingly outside housing；
Power switch is externally provided with housing, the power switch is connected with power supply, controls the switching of power supply；
The sounding module uses YS-XFSV2 voice synthetic module chips.
The detection device 2. a kind of Wi-Fi voices according to claim 1 are looked for something, it is characterised in that：Also installed outside housing
There is working station indicator, the working station indicator uses light emitting diode, and working station indicator is connected with power supply.
The detection device 3. a kind of Wi-Fi voices according to claim 1 are looked for something, it is characterised in that：The control chip is adopted
Use NodeMCU.
The detection device 4. a kind of Wi-Fi voices according to claim 1 are looked for something, it is characterised in that：The power supply is using electricity
Pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720575368.XU CN206877477U (en) | 2017-05-23 | 2017-05-23 | A kind of Wi Fi voices are looked for something detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720575368.XU CN206877477U (en) | 2017-05-23 | 2017-05-23 | A kind of Wi Fi voices are looked for something detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206877477U true CN206877477U (en) | 2018-01-12 |
Family
ID=61339304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720575368.XU Expired - Fee Related CN206877477U (en) | 2017-05-23 | 2017-05-23 | A kind of Wi Fi voices are looked for something detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206877477U (en) |
-
2017
- 2017-05-23 CN CN201720575368.XU patent/CN206877477U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |