The content of the invention
In order to solve the above problems, the invention provides a kind of method of network directional shielding, under the environment of parlor
Wireless routing device, build a set of by target identification equipment, distance measuring equipment, main control device, metallic shield equipment, shielding
The shielding harness that driving equipment and radiated time detection device are formed, by the transmission power to wireless routing device, without circuit
By equipment placement location and wireless routing device radiated time Data acquisition and issuance, judge whether enter shielding mould
Formula, it is of particular importance that by the metallic shield equipment of customization, it can be carried out timely according to the specific direction of children's target
Baffle.
According to an aspect of the present invention, there is provided a kind of method of network directional shielding, this method include:
1) a kind of network directional shielding harness is provided, for parlor, including target identification equipment, distance measuring equipment, master
Equipment, metallic shield equipment and shield guard equipment are controlled, target identification equipment is used to identify whether there is children inside parlor, and
Recognize children be present when, send children's identification signal, otherwise, send no children's signal, distance measuring equipment is arranged on nothing
Near line routing device, it is connected with target identification equipment, for when receiving children's identification signal, starting to children in parlor
To be exported as target range, main control device connects with shield guard equipment and distance measuring equipment respectively for the range measurement of target
Connect, for determining whether to start shield guard equipment to realize the drive control to metallic shield equipment based on target range;
Wherein, shield guard equipment is connected with metallic shield equipment, for controlling the mask pattern of metallic shield equipment;
Wherein, metallic shield equipment is arranged near wireless routing device, wireless for what is sent to wireless routing device
Communication signal carries out masking operation;And
2) shielding harness is run.
More specifically, in the network directional shielding harness:Distance measuring equipment is additionally operable to receiving no children's letter
Number when, close the range measurement to children's target in parlor;Wherein, target identification equipment also respectively with main control device, metal screen
Cover equipment to connect with shield guard equipment, for when sending without children's signal, controlling main control device, metallic shield equipment and screen
Cover driving equipment and enter power down mode.
More specifically, in the network directional shielding harness:Main control device, metallic shield equipment and shield guard equipment
When receiving children's identification signal, enter working condition from power down mode.
More specifically, in the network directional shielding harness, in addition to:
Radiated time detection device, it is arranged on the roof of parlor, including image capturing unit, image identification unit and frame
With unit, for being shot to parlor inside to obtain high definition parlor image, the high definition parlor image to each frame is additionally operable to
Carry out children's target identification, there will be the frame of children's target as children's target frame, in the absence of children's target frame as background
Frame, the background frames on the time the latest are as last background frames, it is determined that time span of the last background frames to current child target frame
To be exported as existence time;
The target identification equipment, including voice receiving unit, voice recognition unit and voice memory unit, phonetic storage
Various children's reference speech signals are prestored in unit, voice receiving unit is used to receive parlor internal audio signal, language
Sound recognition unit is connected with voice receiving unit and voice memory unit respectively, for by parlor internal audio signal and various youngsters
Virgin reference speech signals are matched one by one, and matching degree highest children's reference speech is parsed from the internal audio signal of parlor
Acoustic constituents corresponding to signal using as target children's signal, meanwhile, send children's identification signal, if with various children's bases
The matching degree of quasi- voice signal is both less than equal to preset matching degree threshold value, then sends no children's signal;
The distance measuring equipment starts the range measurement to children's target in parlor when receiving children's identification signal
To include as target range output:Parlor internal audio signal and target children's signal are received, based on target children's signal pair
The analysis of the relative characteristic of parlor internal audio signal, judge target children's signal come from the particular location in parlor using as
Target utterance position, it is target range also based on the relative position between target utterance position and distance measuring equipment, determines phase
For distance measuring equipment target children's signal voice directions using be used as target utterance direction output;
Wherein, main control device drives with wireless routing device, radiated time detection device, target identification equipment, shielding respectively
Dynamic equipment connects with distance measuring equipment, true for the transmission power based on target range, existence time and wireless routing device
It is fixed whether to enter mask pattern;When main control device enters mask pattern, start shield guard equipment to realize to metallic shield
The drive control of equipment, and target utterance direction is sent to shield guard equipment;
Wherein, metallic shield equipment is placed on around wireless routing device, using the multiple gold for collectively constituting circle
Belong to the construction of block, metallic shield equipment is receiving the target utterance direction of shield guard equipment transmission, and is based on target utterance
Metal derby corresponding to target utterance direction is to be disposed vertically state from horizontal positioned State Transferring by direction.
More specifically, in the network directional shielding harness:The default conditions of multiple metal derbies of metallic shield equipment
For horizontal positioned state;Wherein, it is when target utterance direction is a voice directions scope, the voice directions scope is corresponding
Multiple metal derbies from horizontal positioned State Transferring to be disposed vertically state.
More specifically, in the network directional shielding harness:Main control device is based on target range, existence time and wireless
The transmission power of routing device determines whether to include into mask pattern:Main control device is based on distance weighting, target range, time
Weight, existence time, the transmission power of power weight and wireless routing device determine whether to enter mask pattern.
More specifically, in the network directional shielding harness:Main control device is based on distance weighting, target range, time
Weight, existence time, the transmission power of power weight and wireless routing device determine whether to include into mask pattern:By distance
Weight is multiplied to obtain the first product with target range, and time weighting and existence time are multiplied to obtain the second product, power power
The transmission power of weight and wireless routing device is multiplied to obtain the 3rd product, by three product additions to obtain shielding index, when
When shielding index more than or equal to default index threshold, it is determined that into mask pattern, otherwise, mask pattern is exited.
More specifically, in the network directional shielding harness:Between distance measuring equipment and wireless routing device away from
From less than or equal to pre-determined distance threshold value.
More specifically, in the network directional shielding harness:Main control device is based on distance weighting, target range, time
Weight, existence time, the transmission power of power weight and wireless routing device determine whether that entering mask pattern also includes:Master control
Equipment obtains the transmission power of wireless routing device, and when detecting that wireless routing device is closed, by wireless routing device
Transmission power be arranged to zero;Wherein, the transmission power of wireless routing device is pre-stored in the built-in storage of main control device
So that main control device obtains in device.
Embodiment
The embodiment of the network directional shielding harness of the present invention is described in detail below with reference to accompanying drawings.
The injury of Radiation On Human body is mainly two kinds of effects, and one kind is that amount of radiation reaches to a certain degree.Medically, generally
Think that amount of radiation in more than 10-3, is only possible to that body is caused necessarily to influence.Another is to tire out for a long time under radiation environment
Product effect.Therefore, in we live, it is also noted that the long-time of some electronic equipments, short-range electromagenetic wave radiation amount, i.e.,
Make its radiant power not high.
For example, the room of closing is in, and parlor especially at home, if long-time does not use network, such as
Sack time, wireless routing temporary close can be formed a habit, reduce indoor amount of radiation, how much be advantageous to health, but if
When must be operated using wireless routing, but thering are children to need to play again in family parlor, it is necessary to which wireless routing is entered
Row baffle, and currently lack corresponding technical scheme.
In order to overcome above-mentioned deficiency, the present invention has built a kind of method of network directional shielding, and this method includes:1) provide
A kind of network directional shielding harness;And 2) run the shielding harness.The present invention can be according to the transmitting of wireless routing device
The radiated time of power, the placement location of wireless routing device and wireless routing device determines whether to enter masked state, and
Specific direction according to the children's target recognized relative to wireless routing device, is oriented masking operation, so as to solve
Above-mentioned technical problem.
Fig. 1 is the block diagram of the network directional shielding harness according to embodiment of the present invention, and the system is used
In parlor, including target identification equipment, distance measuring equipment, main control device, metallic shield equipment and shield guard equipment, target
Identification equipment, which is used to identify, whether there is children inside parlor, and recognize children be present when, send children's identification signal, it is no
Then, no children's signal is sent;
Distance measuring equipment is arranged near wireless routing device, is connected with target identification equipment, for receiving
During virgin identification signal, start the range measurement to children's target in parlor to be exported as target range, main control device respectively with
Shield guard equipment connects with distance measuring equipment, for determining whether to start shield guard equipment to realize based on target range
To the drive control of metallic shield equipment;
Wherein, shield guard equipment is connected with metallic shield equipment, for controlling the mask pattern of metallic shield equipment;Gold
Category shielding device is arranged near wireless routing device, for being shielded to the wireless communication signal that wireless routing device is sent
Operation.
Then, continue that the concrete structure of the network directional shielding harness of the present invention is further detailed.
In the network directional shielding harness:Distance measuring equipment is additionally operable to when receiving no children's signal, is closed
Range measurement to children's target in parlor;Wherein, target identification equipment also respectively with main control device, metallic shield equipment and screen
Driving equipment connection is covered, for when sending without children's signal, controlling main control device, metallic shield equipment and shield guard equipment
Into power down mode.
In the network directional shielding harness:Main control device, metallic shield equipment and shield guard equipment are receiving
During children's identification signal, enter working condition from power down mode.
In addition, in the network directional shielding harness, in addition to:
Radiated time detection device, it is arranged on the roof of parlor, including image capturing unit, image identification unit and frame
With unit, for being shot to parlor inside to obtain high definition parlor image, the high definition parlor image to each frame is additionally operable to
Carry out children's target identification, there will be the frame of children's target as children's target frame, in the absence of children's target frame as background
Frame, the background frames on the time the latest are as last background frames, it is determined that time span of the last background frames to current child target frame
To be exported as existence time;
The target identification equipment, including voice receiving unit, voice recognition unit and voice memory unit, phonetic storage
Various children's reference speech signals are prestored in unit, voice receiving unit is used to receive parlor internal audio signal, language
Sound recognition unit is connected with voice receiving unit and voice memory unit respectively, for by parlor internal audio signal and various youngsters
Virgin reference speech signals are matched one by one, and matching degree highest children's reference speech is parsed from the internal audio signal of parlor
Acoustic constituents corresponding to signal using as target children's signal, meanwhile, send children's identification signal, if with various children's bases
The matching degree of quasi- voice signal is both less than equal to preset matching degree threshold value, then sends no children's signal;
The distance measuring equipment starts the range measurement to children's target in parlor when receiving children's identification signal
To include as target range output:Parlor internal audio signal and target children's signal are received, based on target children's signal pair
The analysis of the relative characteristic of parlor internal audio signal, judge target children's signal come from the particular location in parlor using as
Target utterance position, it is target range also based on the relative position between target utterance position and distance measuring equipment, determines phase
For distance measuring equipment target children's signal voice directions using be used as target utterance direction output;
Wherein, main control device drives with wireless routing device, radiated time detection device, target identification equipment, shielding respectively
Dynamic equipment connects with distance measuring equipment, true for the transmission power based on target range, existence time and wireless routing device
It is fixed whether to enter mask pattern;When main control device enters mask pattern, start shield guard equipment to realize to metallic shield
The drive control of equipment, and target utterance direction is sent to shield guard equipment;
Wherein, metallic shield equipment is placed on around wireless routing device, using the multiple gold for collectively constituting circle
Belong to the construction of block, metallic shield equipment is receiving the target utterance direction of shield guard equipment transmission, and is based on target utterance
Metal derby corresponding to target utterance direction is to be disposed vertically state from horizontal positioned State Transferring by direction.
In the network directional shielding harness:The default conditions of multiple metal derbies of metallic shield equipment are horizontal positioned
State;Wherein, when target utterance direction is a voice directions scope, by multiple metals corresponding to the voice directions scope
Block is to be disposed vertically state from horizontal positioned State Transferring.
In the network directional shielding harness:Main control device is based on target range, existence time and wireless routing device
Transmission power determine whether to include into mask pattern:Main control device is based on distance weighting, target range, time weighting, deposited
Determine whether to enter mask pattern in the transmission power of time, power weight and wireless routing device.
In the network directional shielding harness:Main control device is based on distance weighting, target range, time weighting, existed
The transmission power of time, power weight and wireless routing device determine whether to include into mask pattern:By distance weighting and mesh
Subject distance is multiplied to obtain the first product, and time weighting and existence time are multiplied to obtain the second product, power weight and wireless
The transmission power of routing device is multiplied to obtain the 3rd product, by three product additions to obtain shielding index, when shielding index
During more than or equal to default index threshold, it is determined that into mask pattern, otherwise, mask pattern is exited.
In the network directional shielding harness:The distance between distance measuring equipment and wireless routing device are less than or equal to
Pre-determined distance threshold value.
In the network directional shielding harness:Main control device is based on distance weighting, target range, time weighting, existed
The transmission power of time, power weight and wireless routing device determine whether that entering mask pattern also includes:Main control device obtains
The transmission power of wireless routing device, and when detecting that wireless routing device is closed, by the transmitting work(of wireless routing device
Rate is arranged to zero;Wherein, the transmission power of wireless routing device be pre-stored in the internal memory of main control device for
Main control device obtains.
Meanwhile main control device can be realized using dsp chip.Wherein, the inside of dsp chip is using program and data point
The Harvard structure opened, there is special hardware multiplier, widely used pile line operation, there is provided special DSP instructions, Ke Yiyong
Quickly to realize various digital signal processing algorithms.
According to the requirement of Digital Signal Processing, dsp chip typically has some following main features:(1) in a finger
A multiplication and a sub-addition can be completed by making in the cycle.(2) program and data space is separated, can simultaneously access instruction sum
According to.(3) there is quick RAM in piece, can be generally accessed simultaneously in two pieces by independent data/address bus.(4) there is low overhead
Or without overhead loop and the hardware supported redirected.(5) quickly interrupt processing and Hardware I/O are supported.(6) have within the monocycle
Multiple hardware address generators of operation.(7) multiple operations can be performed parallel.(8) pile line operation is supported, makes fetching, translate
The operation such as code and execution can be with Overlapped Execution.
Below it can be classified according to the data format that dsp chip works.The DSP that data are worked with fixed point format
Chip is referred to as fixed-point DSP chip, such as TMS320C1X/C2X, TMS320C2XX/C5X, TMS320C54X/C62XX system of TI companies
Row, the ADSP21XX series of AD companies, the DSP16/16A of AT & T Corp., the MC56000 of Motolora companies etc..With floating-point lattice
Formula work is referred to as float-point DSP, such as the TMS320C3X/C4X/C8X of TI companies, the ADSP21XXX series of AD companies, AT&
MC96002 of the DSP32/32C of T companies, Motolora company etc..
Not exclusively, some dsp chips use customized floating-point to floating-point format used by different float-point DSPs
Form, such as TMS320C3X, and some dsp chips then use IEEE standard floating-point format, such as motorola inc
ZR35325 of MB86232 and ZORAN companies of MC96002, FUJITSU company etc..Dsp chip in the application can use TI
The TMS320C1X/C2X family chips of company complete type selecting.
Using the network directional shielding harness of the present invention, it is difficult to for the baffle of wireless routing device in the prior art
The technical problem of realization, accurate data are carried out to children's target range, existence time by using different testing mechanisms and adopted
Collection, it is determined whether into mask pattern, when entering mask pattern, start shield guard equipment to realize to metallic shield equipment
Drive control, and the target utterance direction of children is sent to shield guard equipment, in order to which metallic shield equipment is based on mesh
Metal derby corresponding to target utterance direction is to be disposed vertically state from horizontal positioned State Transferring by mark voice directions, so as to complete
Baffle.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.