CN106546277A

CN106546277A - The method and network application apparatus of monitoring user's suction air particle

Info

Publication number: CN106546277A
Application number: CN201510609757.5A
Authority: CN
Inventors: 王晓英; 路建伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-09-22
Filing date: 2015-09-22
Publication date: 2017-03-29

Abstract

The invention provides method, the server of the component and dosage of the method for monitoring user's suction air particle, client terminal device and push user's suction air particle.Wherein, the method for the monitoring user suction air particle includes：The current geographic position of collection user；Based on the current geographic position, the component and concentration of special time particulate in air corresponding with current geographic position are obtained；Obtain the current motion state of the user；Based on the current motion state and the component and concentration of the particulate in air corresponding with current geographic position, calculate the interval interior user of special time and add up to suck the component and dosage of the particulate matter.The method and client terminal device of monitoring user's suction air particle of the present invention easily can provide the component and dosage of its suction air particle in real time for different user and targetedly advise.

Description

The method and network application apparatus of monitoring user's suction air particle

Technical field

The present invention relates to environmental protection and personal health network application field, more particularly to a kind of monitoring user suction Enter the method and network of relation application system and equipment of ambient air particulate matter.

Background technology

The monitoring method and system of ambient air particulate matter are currently used in mainly for the average of each city Atmospheric pollution level is monitored, and this monitoring can only reflect the overall air situation in city, and can not The region of personal suction particulate in air (the such as PM10, PM2.5 etc.) content of reflection and individual diversity It is different, the situation of the real-time suction environment particulate matter of individual can not be reflected in time.

Various places have air monitoring department to regularly publish atmospheric pollution data now, also have and possess data The atmospheric pollution data publication website of interface.These data essential records issued are local outdoor rings Zenith Distance level of pollution under the state of border.Therefore such metering method is relatively adapted to the meansigma methodss of crowd, But then there are many deviations specific to crowd's individuality.One be crowd's individual activity specific environment it is different when, Its suction volume to pollutant can be different.Such as certain individual working time mostly is located indoors, Its suction volume much smaller than it is same most times outside work individuality；Or have individuality have daily compared with During big outdoor sport amount, its suction volume should be far above static individuality.Two is in same city, not With in the range of region, due to differences such as motor vehicle emissions, its pollutant levels was had very very much not in the same time It is same even to have multiple difference.Three is on Annual distribution, when different throughout the year in the same area Between, air pollution is preferably formed with excellent, also has worst severe contamination, its corresponding PM2.5 concentration difference Also it is very big.Generally speaking, for living in the individuality in same Urban population, when which kind of is being in Region, daily work activities environment how, state how, it will cause which daily or even monthly every Year exposed amount have an obviously individual difference, but there is no at present it is more ripe with accurate method growing Phase monitors and records the exposed amount of independent part.

In order to obtain the content of the individual suction particulate in air of user, using carry-on in prior art The personal sampler worn, pollutants in air is collected on the filter membrane of personal sampler, and is passed through The chemical apparatuses of specialty is analyzed to the pollutant of mobile phone on filter membrane.Current this analytical plan is not It is enough：1) personal sampler relatively heavy (weight reaches a kilogram rank), is not easy to use the head of a household Phase carries, especially inconvenient when particularly performing physical exercises；2) this carry-on collection pollutant, after It is continuous to be analyzed by chemical apparatuses, it is not only cumbersome, and also cost is of a relatively high；3) it is this Collection to pollutants in air is typically disposable, and the time of collection is shorter (generally several little When or several days), be unfavorable for carrying out long-term monitoring to the content of individual suction particulate in air.

This area also needs to a kind of facilitate feasible round-the-clock long-time monitoring human body suction surrounding air The method and system of granule species mediating recipe amount.

The content of the invention

An object of the present invention be to provide it is a kind of in real time, easily, it is with strong points, to difference The method and system that the content of user's suction air particle is monitored.

According to one embodiment of the application, there is provided a kind of monitoring user sucks the side of air particle Method, including：

The current geographic position of collection user；

Based on the current geographic position, obtain in special time air corresponding with current geographic position The component and concentration of particulate matter；

Obtain the current motion state of the user；

Based on the current motion state and the particulate in air corresponding with current geographic position Component and concentration, calculate special time it is interval in the user add up to suck the component of the particulate matter And dosage.

User under due to being in different regions, different motion state, its suction particulate in air Component and dosage (such as particulate matter component, particulate matter dosage etc.) are comparatively distinguishing.For example, In the Beijing for the being in haze weather in a large number user A moved by (as run) is better than being in air Sanya is sitting in the user B of bookstore's reading, due to difference, the caused lung of different motion institute of air quality The difference of ventilation, component and the dosage of both suction particulate in air are clearly the presence of difference. And above-described embodiment of the application can be carried out according to the diverse geographic location of user, different motion state Comprehensive analysis, so as to accurately measure to be in diverse geographic location, the user of different motion state exists The component and dosage of the suction Atmospheric particulates in special time is interval.

It is according to a preferred embodiment of the application, described based on the current geographic position, obtain with The step of concentration of current geographic position corresponding particulate in air, includes：

Based on the current geographic position, judge that the user of the current geographic position is located at interior still It is outdoor；

Based on the judgement, particulate in air corresponding with current geographic position is obtained from data source Component and concentration.

Due to being in the user of indoor environment relative to the user for being in outdoor environment, in its suction air The concentration and composition of particulate matter there may exist difference, and the application preferred embodiment can be according to right Environment residing for user is outdoor or the judgement of interior, so as to based on different practical situations, from right The component answered and dosage source obtain the concentration of the particulate in air corresponding with the environment, here basis The upper component that more accurately its suction particulate matter in special time is interval is provided for different user And dosage.

According to a preferred embodiment of the application, wherein it is described based on the judgement, from specific number The component and concentration of special time particulate in air corresponding with current geographic position are obtained according to source Step includes：

Judge that the user for obtaining current geographic position is located at interior if based on described, search for the interior With the presence or absence of the attachable equipment for detecting particulate in air component and concentration,

If it is present obtaining in special time air corresponding with current geographic position from the equipment The component and concentration of particulate matter；

If it does not exist, then sending acquisition spy corresponding with current geographic position to particular remote server The request of the component and concentration of particulate in air of fixing time simultaneously is received from the return of particular remote server Particulate in air described corresponding with current geographic position component and concentration.

According to one embodiment of the application, wherein it is described based on the current motion state and it is described with The component and concentration of the corresponding particulate in air of current geographic position, calculates the interval interior use of special time The step of family adds up the component and dosage for sucking the particulate matter includes：

Based on the current motion state, unit interval of the user under current motion state is obtained Ventilation；

Concentration and the user based on the particulate in air corresponding with current geographic position exists Unit interval ventilation under current motion state, calculates the interval interior user of special time and adds up to inhale Enter the dosage of the particulate matter.

According to one embodiment of the application, the said method of the present invention also includes：

The step of obtaining the physiological statuss of the user；And

It is wherein described based on the current motion state and the air corresponding with current geographic position The concentration of middle particulate matter, calculates the interval interior user of special time and adds up to suck the number of the particulate matter The step of according to component and dosage, includes：

Based on the current motion state and the physiological statuss of the user, the user is obtained current Granule in unit interval ventilation and the air corresponding with current geographic position under kinestate The concentration of thing, calculates the interval interior user of special time and adds up to suck the data component of the particulate matter And dosage.

Suggestion corresponding with component and dosage that the user adds up to suck the particulate matter is provided,

Preferably, the suggestion is pushed by remote server.

According to one embodiment of the application, there is provided a kind of push user sucks the group of air particle Divide the method with dosage, including：

Receive the acquisition special time sky corresponding with specific geographic position sent from client terminal device The request of the component and concentration of particulate matter in gas；

Based on the request, will special time particulate in air corresponding with the specific geographic position Component and concentration send to the client terminal device.

According to one embodiment of the application, above-mentioned push user sucks the component mediating recipe of air particle The method of amount also includes：

Obtain the user accumulative suction granule in the special time interval of client terminal device The dosage of thing.

Push advise to visitor corresponding with component and dosage that the user adds up to suck the particulate matter Family end device.

According to one embodiment of the application, there is provided a kind of monitoring user sucks the visitor of air particle Family end device, including：

Geographical position collecting unit, for gathering the current geographic position of user；

Particulate matter component and concentration acquiring unit：For based on the current geographic position, obtaining and working as The component and concentration of the corresponding special time particulate in air in front geographical position；

Kinestate acquiring unit, for obtaining the current motion state of the user；

Suction particulate matter component and Rapid Dose Calculation unit, for based on the current motion state and described The concentration of particulate in air corresponding with current geographic position, calculates the interval interior use of special time Family adds up the component and dosage for sucking the particulate matter.

According to one embodiment of the application, there is provided a kind of push user sucks the group of air particle Divide the server with dosage, including：

Request reception unit, for receiving the acquisition and specific geographic position that send from client terminal device The request of the concentration of corresponding special time particulate in air；

Transmitting element, for being based on the request, when will be corresponding specific with the specific geographic position Between the concentration of particulate in air send to the client terminal device.

According to one embodiment of the application, the push user sucks the component mediating recipe of air particle The server of amount also includes：

Suggestion push unit (not shown), pushes and the user accumulative suction particulate matter Component and dosage is corresponding advises to client terminal device.

Present invention also offers a kind of portable terminal (such as smart mobile phone or Intelligent flat computer), It has defined in one or more aforementioned client terminal devices with lower unit：

(1) geographical position collecting unit, for gathering the current geographic position of user；

(2) particulate matter component and concentration acquiring unit, for based on the current geographic position, obtain with The component and concentration of the corresponding special time particulate in air of current geographic position；

(3) kinestate acquiring unit, for obtaining the current motion state of the user；

(4) particulate matter component and Rapid Dose Calculation unit are sucked, for based on the current motion state and institute The concentration of particulate in air corresponding with current geographic position is stated, special time is calculated interval interior described User adds up the component and dosage for sucking the particulate matter；

(5) physiological statuss acquiring unit, for obtaining the physiological statuss of the user；

(6) suggestion unit is provided, for provide with the user add up to suck the component of the particulate matter and The corresponding suggestion of dosage；

(7) advise receiving unit, it is tired with the user from particular remote server push for receiving The component of the meter suction particulate matter and the corresponding suggestion of dosage；

(8) display unit, for described of the interval interior accumulative user's suction of the special time is presented The component and dosage of grain thing, and/or it is corresponding with component and dosage that the user sucks the particulate matter Suggestion.

According to one embodiment of the application, additionally provide two kinds of optional hardware and (or claim " portable Client device ")：

- Intelligent bracelet, (can such as participate in football match) when user's inconvenience carrying mobile phone, The geographical position of track record user and kinestate.

- indoor air pollutants Concentration Testing instrument, can be with the sky of the interior space residing for direct detection user Gas pollutant levels, rather than estimated using outdoor pollutant levels local and at that time.Therefore, Using this optional hardware, in some cases (such as interior has used air cleaner), can More accurately to obtain air pollutant concentration information indoor residing for user.

The client terminal device that the present embodiment is provided is particularly well-suited to the aforesaid monitoring user suction of the present invention The method of air particle and monitoring user suck the client terminal device of air particle, inhale for user Enter the component and dosage of particulate matter, can both carry out Short-Term Monitoring, it is also possible to carry out long term monitoring, spirit It is active high.

Also, the present embodiment provide client terminal device can by with provide each place air in The server of particle concentration is communicated, particle concentration group real-time or that each place is acquired periodically Divide and dosage.

Also, the client terminal device that the present embodiment is provided can be communicated with Intelligent bracelet, so as to obtain use The more accurate geographical position in family, kinestate etc., so as to provide the user more accurately its when specific Between specific geographic position suction particulate in air concentration related component and dosage.

Also, the client terminal device that the present embodiment is provided can with positioned at it is indoor, for detecting interior The testing equipment communication of the concentration of particulate matter, so as to obtain the air particle concentration of interior in time, be Indoor user provides the related component and dosage for more accurately sucking particulate in air concentration.

Also, the client terminal device that the present embodiment is provided is failing with described positioned at interior, use In the case that the testing equipment of the concentration of detection indoor accelerated test is communicated, based on locality and will work as When contaminant concentration of outside air estimating residing for user indoor pollutant levels.

Although those of ordinary skill in the art will be appreciated that detailed description below by referenced in schematic embodiment, Accompanying drawing is carried out, but the present invention is not limited in these embodiments.But, the scope of the present invention is extensive , and it is intended to be bound only by appended claims restriction the scope of the present invention.

Description of the drawings

By reading the detailed description made to non-limiting example made with reference to the following drawings, this The other features, objects and advantages of invention will become more apparent upon：

Fig. 1 is the method for sucking air particle according to the monitoring user of a preferred embodiment of the invention Flow chart；

Fig. 2 is the method stream for step S102 in Fig. 1 according to a preferred embodiment of the invention Cheng Tu；

Fig. 3 is the method stream for step S202 in Fig. 2 according to a preferred embodiment of the invention Cheng Tu；

Fig. 4 is the method stream for step S104 in Fig. 1 according to a preferred embodiment of the invention Cheng Tu；

Fig. 5 be according to another embodiment of the present invention push user suction air particle component and The flow chart of the method for dosage；

Fig. 6 is the client dress of the monitoring user's suction air particle according to one embodiment of the invention The block diagram put；

Fig. 7 is to be obtained for the particulate matter component in Fig. 6 and concentration according to one embodiment of the invention The block diagram of each module included by unit 602；

Fig. 8 is for the suction particulate matter component and dosage in Fig. 6 according to one embodiment of the invention The block diagram of each module included by computing unit 604；

Fig. 9 is the component mediating recipe for pushing user's suction air particle according to the application one embodiment The block diagram of the server of amount；

Figure 10 shows client terminal device according to one preferred embodiment of the application, server, intelligence Can bracelet and the communication connection block diagram for detecting the testing equipment of the concentration of indoor accelerated test；

In accompanying drawing, same or analogous reference represents same or analogous part.

Specific embodiment

It should be mentioned that some exemplary enforcements before exemplary embodiment is discussed in greater detail Example is described as process or the method described as flow chart.Although operations are described as by flow chart The process of order, but many of which operation can by concurrently, concomitantly or while implement. Additionally, the order of operations can be rearranged.The process when its operations are completed can be by Terminate, it is also possible to have the additional step being not included in accompanying drawing.The process can correspond to Method, function, code, subroutine, subprogram etc..

Alleged within a context " computer equipment ", also referred to as " computer ", referring to can be by fortune Row preset program or the intelligence for instructing to perform the predetermined process process such as numerical computations and/or logical calculated Electronic equipment, which can include processor and memorizer, be prestored by computing device in memory Survival instructs to perform predetermined process process, or is performed by hardware such as ASIC, FPGA, DSP pre- Determine processing procedure, or combined to realize by said two devices.Computer equipment is including but not limited to serviced Device, PC, notebook computer, panel computer, smart mobile phone etc..

Method (some of them are illustrated by flow process) discussed hereafter can by hardware, software, Firmware, middleware, microcode, hardware description language or its combination in any are implementing.When with software, When firmware, middleware or microcode are to implement, to the program code or code segment of implementing necessary task Can be stored in machine or computer-readable medium (such as storage medium).(one or more) Processor can implement necessary task.

Concrete structure disclosed herein and function detail are only representational, and are for describing The purpose of the exemplary embodiment of the present invention.But the present invention can be by many alternative forms come concrete Realize, and be not interpreted as being limited only by the embodiments set forth herein.

Term "and/or" used herein above includes one of them or more listed associated items Any and all combination.

Term used herein above is not intended to limit exemplary just for the sake of description specific embodiment Embodiment.Unless the context clearly dictates otherwise, singulative " one " otherwise used herein above, " one " alsos attempt to include plural number.It is to be further understood that term " including " used herein above And/or "comprising" specifies stated feature, integer, step, operation, unit and/or component Exist, and do not preclude the presence or addition of one or more other features, integer, step, operation, list Unit, component and/or its combination.

It should further be mentioned that in some replaces realization modes, the function/action being previously mentioned can be by Occur according to the order different from indicating in accompanying drawing.For example, depending on involved function/action, The two width figures for illustrating in succession can essentially substantially simultaneously perform or sometimes can be according to contrary Order is performing.

Below in conjunction with the accompanying drawings the present invention is described in further detail.

According to an aspect of the invention, there is provided a kind of method that monitoring user sucks air particle.

Wherein described monitoring can refer to the monitoring of short time, such as a few minutes, several hours, several days etc., Can also refer to prolonged monitoring, a such as week, some months, several years etc..

Wherein, the particulate matter include but is not limited to air in flue dust, pellet (such as PM10), the material such as fine particle (such as PM2.5).

In one embodiment, methods described can be realized by client terminal device.Client can be with In the way of application program (app) be arranged on client terminal device on, the client terminal device include but It is not limited to smart mobile phone, panel computer, Intelligent bracelet etc..

It should be noted that the client terminal device is only for example, other are existing or may go out from now on If existing client terminal device is applied to the present invention, within also should being included in the scope of the present invention, and It is incorporated herein by reference.

Fig. 1 is refer to, and Fig. 1 is air to be sucked according to the monitoring user of a preferred embodiment of the invention The flow chart of the method for particulate matter.

As shown in figure 1, the method for the monitoring user suction air particle includes：

Step S101, gathers the current geographic position of user.

In one embodiment, the collection can be directly gathered by client terminal device, for example, pass through Positioning application on client terminal device (such as GPS, Big Dipper etc. are applied) is obtaining the current geographic of user Position.

In another embodiment, the collection can also be included by data transfers such as bluetooth, wifi Mode is from indirect gain on other electronic equipments of gathering geographic position information, wherein described other electricity Sub- equipment for example, intelligent watch, Intelligent bracelet etc., such as client terminal device are passed by the data of bluetooth Defeated mode user described in indirect gain from the Intelligent bracelet of current geographic position for gathering user Current geographic position.

Wherein described collection periodically can be carried out, such as enter every 5 minutes, or in real time Capable, time mode for gathering is not construed as limiting at this.

The geographical position is preferably accurate geographic position or precise geographical coordinates in the present embodiment, its Middle accurate geographic position is, for example, X cities X areas X, X streets building.

It should be noted that as the current geographic position of user belongs to the individual privacy of user, therefore, In order to protect the rights and interests of user, the embodiment of the present application before collection or during collection by Family sends the prompting for for example " whether agreeing to gather your current geographic position ", with what is agreed in user In the case of, its current geographic position is acquired, if user disagrees, will not be current to which Geographical position is acquired.

In the case where user disagrees and gathers its current geographic position, then can be defeated by receive user The arbitrary geographic position for entering complete collection, i.e., in this case, by the arbitrary geographic of user input Position is considered as the current geographic position of user in the present embodiment.

Step S102, based on the current geographic position, obtains corresponding with current geographic position specific The component and concentration of time particulate in air.

The special time refers mainly to specific certain time point, such as the X X X month, X day points X minute The X seconds.

Generally, the concentration of diverse geographic location special time particulate in air is different, such as north The capital and Sanya concentration of PM2.5 in same time air can be different, and and for example Zhong Guan-cun is write On in word building and certain outdoor street of Zhong Guan-cun, in same time air, the concentration of PM2.5 can be Different, the concentration of the particulate in air of Beijing different time can also be different for another example.

In order to more accurately obtain special time particulate in air corresponding with current geographic position Component and concentration, alternatively, refer to Fig. 2, and step S102 includes：

Step S201, based on the current geographic position, judges the user position of the current geographic position In indoor or outdoor.

For example, client terminal device is high relative to interior in the intensity of outdoor reception gps signal, therefore, The power of signal can be received judging the user position in current geographic position according to client terminal device In indoor or outdoor.

Certainly, the user of above-mentioned judgement current geographic position is located at the indoor or method of outdoor and only shows Example, if other other determination methods that are existing or being likely to occur from now on are applied to the present invention, also should Within being included in the scope of the present invention, and it is incorporated herein by reference.

Step S202, based on the judgement, obtains corresponding with current geographic position specific from data source The component and concentration of time particulate in air.

Wherein described data source can including but not limited to provide any inspection of particulate in air concentration Measurement equipment, server etc..

With the data source as server example, such as the different instructions cloth 5 in certain city is used to carry For the child servers of particulate in air concentration, when the current geographic position for judging the user is located at certain Certain given zone outside the room of city, then can obtain from the child servers of certain given zone distribution of the city Take the concentration of the corresponding special time particulate in air of current geographic position of the user.

Alternatively, Fig. 3 is refer to, it is the above based on the judgement, obtain from specific data source The step of taking the component and concentration of special time particulate in air corresponding with current geographic position S202 includes：

If based on described, step S301, judges that the user for obtaining current geographic position is located at interior, searches Suo Suoshu is indoor to whether there is the attachable equipment for detecting particulate in air component and concentration.

Wherein described search can be scanned for based on such as communication mode such as wifi, Bluetooth pairing.

The equipment for detecting particulate in air concentration can include any Detection of Air Quality Instrument.

It is wherein described to search for the interior with the presence or absence of attachable for detecting particulate in air group Divide and the equipment of concentration can correspond to following arbitrary scene：

In one scenario, the indoor presence is used to detecting setting for component and particle concentration in air It is standby, but the not good or/and client terminal device due to signal of communication can not successfully carry out bluetooth with the equipment With equity, thus the client terminal device can not be successfully searched interior exist it is attachable for detecting The equipment of particulate in air component and concentration；

In another scene, it is described it is indoor itself do not exist for detect particulate in air component and The equipment of concentration, of course, the client terminal device can not search interior exist it is attachable for The equipment of detection particulate in air component and concentration.

Certainly, above-mentioned two scene is only example, is not intended to limit, and other possible scenes such as may be used The present invention is suitable for, within also should being included in the scope of the present invention, and is incorporated herein by reference.

Step S302, if it is present obtaining corresponding with current geographic position specific from the equipment The component and concentration of time particulate in air.

Specifically, if search the interior exist it is attachable for detecting particulate in air group Divide the equipment with concentration, then client terminal device (can be such as based on by communicating with the equipment The communication modes such as wifi, bluetooth are communicated), obtain corresponding with current geographic position from the equipment Special time particulate in air component and concentration.

Step S303, if it does not exist, then sending acquisition and current geographic position to particular remote server Put the corresponding component of special time particulate in air and the request of concentration and receive from particular remote The component and concentration of the particulate in air described corresponding with current geographic position that server is returned.

Specifically, if search result be do not exist to the interior it is attachable for detecting air The equipment of middle particulate matter component and concentration, if that is, client terminal device can not be successfully searched interior There is the attachable equipment for detecting particulate in air concentration or/and the interior itself is not deposited For detecting the equipment of particulate in air component and concentration, then client terminal device can be to specific remote Journey server sends the component for obtaining special time particulate in air corresponding with current geographic position With the request of concentration, and receive from particular remote server return described in it is corresponding with current geographic position Special time air in component and particulate matter concentration.

Wherein described particular remote server can refer to dedicated for providing each geographical position or specifically The server of the component and concentration of the corresponding particulate in air in reason position.The number that these servers are provided Include but is not limited to according to source:Such as, each city of China, the pollutant levels of each geographical coordinate Data can come from common data on the Internet (such as Environment Protect in China portion to the public issue it is big Gas pollutant levels data)；Can be from as being used for detecting particulate in air in this patent method The data that the device measuring of concentration is produced and uploaded.

Wherein described client terminal device can be taken to particular remote based on communication modes such as wifi, 3G Business device sends request.

With continued reference to Fig. 1, step S103, the current motion state of the user is obtained.

Wherein, the kinestate can include but is not limited to the states such as walking, cycling, running, In one embodiment, can be by the static kinestate for regarding special circumstances as.

Wherein step S103 can pass through the electrical type sensors such as the motion sensor on client terminal device To realize, wherein the motion sensor is, for example, three axle Gravity accelerometers etc..

With continued reference to Fig. 1, step S104, based on the current motion state and described and current geographic The component and concentration of the corresponding particulate in air in position, calculates the interval interior user of special time and tires out The component and dosage of the meter suction particulate matter.

Wherein described special time interval can refer to from certain particular point in time to another special time Point, such as from the X X X month, X day when X assign to the X X X month, X day when Y (value of Y is more than X) a period of time divided.

The component of wherein described particulate matter, such as nitrate, white carbon black, secondary particulate etc..

Specifically, Fig. 4 is refer to, step S104 can include：

Step S401, based on the current motion state, obtains the user under current motion state Unit interval ventilation.

Wherein described unit interval ventilation can be with liter/min (L/min) as measurement unit, it is also possible to Using other measurement units.

Generally, user's unit interval ventilation under different kinestates is different, in addition, not Same sex, all ages and classes user under same kinestate unit interval ventilation be also different.

By taking the difference of Subscriber Unit time ventilation under different kinestates as an example, use under ambulatory status Family unit interval ventilation is typically 2.1 times under resting state, Subscriber Unit under cycling state Time ventilation is generally also 2.1 times under resting state, and the Subscriber Unit time is logical under running state Tolerance is 6 times under resting state.

By taking the difference of the Subscriber Unit time ventilation of different sexes as an example, the usual unit of male user Time ventilation is 6.6L/min, and the usual unit interval ventilation of female user is 6.0L/min.

Accordingly, it would be desirable to according to the own situation of user, currently be used using different calculating standards Unit interval ventilation of the family under current motion state.

Step S402, the concentration and institute based on the particulate in air corresponding with current geographic position Unit interval ventilation of the user under current motion state is stated, the interval interior use of special time is calculated Family adds up the dosage for sucking the particulate matter.

Wherein in one embodiment, step S402 includes：

(1) calculate the agent that the user sucks the particulate matter within the current geographic position unit interval Amount, formula are as follows：

I_t=V_t×C_t

Wherein, I_tRepresent that the user sucks the particulate matter within the current geographic position unit interval Dosage, V_tRepresent unit interval ventilation of the user under current motion state, C_tWhen representing t Carve the concentration of the corresponding particulate in air of current geographic position；

And/or

(2) calculate the interval interior user of special time to add up to suck the dosage of the particulate matter, it is public Formula is as follows：

Wherein, I represents that the interval interior user of special time adds up to suck the dosage of the particulate matter, t₀～t₁Represent that special time is interval, V_tRepresent that unit interval of the user under current motion state leads to Tolerance, C_tRepresent the concentration of the corresponding particulate in air of t current geographic position.

Wherein in one embodiment, the present invention can detect tiring out for certain specific components of air particle Product suction volume, then above calculate the user and described sucked within the current geographic position unit interval The dosage of grain thing includes：

(1) calculate the user and spy in the particulate matter is sucked within the current geographic position unit interval Determine the dosage of component, formula is as follows：

I_{K, t}=V_t×C_{K, t}

Wherein, I_{K, t}Represent that the user was sucked in the particulate matter within the current geographic position unit interval The dosage of component k, V_tRepresent unit interval ventilation of the user under current motion state, C_{K, t} Represent the concentration of component k in particulate matter described in the corresponding air of t current geographic position；

And/or

(2) calculate the interval interior user of special time and add up specific components in the suction particulate matter Dosage：

Wherein, I_kRepresent that the interval interior user of special time sucks the agent of component k in the particulate matter Amount, t₀～t₁Represent that special time is interval, V_tWhen representing unit of the user under current motion state Between ventilation, C_{K, t}In the corresponding particulate in air of expression t current geographic position, component k is dense Degree.

Certainly, the calculating process of example illustrated above is only citing, is not intended to limit, other calculating sides The for example applicable present invention of method, within also should being included in the scope of the present invention, and is included by reference In this.

Alternatively, in order to more accurately according to the different physiological statuss of different user calculating special time In interval, the user sucks the component and dosage of the particulate matter, herein described monitoring user suction The method of air particle also includes：

The step of physiological statuss of-acquisition user；And

- based on the current motion state and the physiological statuss of the user, the user is obtained current Granule in unit interval ventilation and the air corresponding with current geographic position under kinestate The concentration of thing, calculates the interval interior user of special time and adds up to suck the data component of the particulate matter And dosage.

Specifically, the physiological statuss include but is not limited to the data such as heart rate, body temperature, the physiology shape State can directly gather acquisition by client terminal device, the heart rate data that such as receive user is manually entered, Can also include by the data transfer modes such as bluetooth, wifi from gather user's physiological statuss other Indirect gain on electronic equipment, wherein described other electronic equipments are, for example, intelligent watch, Intelligent bracelet Deng.

In the calculating special time is interval, the user sucks the component and dosage of the particulate matter Calculating process may be referred to above, first calculates the user and sucks within the current geographic position unit interval The dosage of the particulate matter, then calculates (such as t in special time interval₀～t₁It is interior) user tire out The dosage of the meter suction particulate matter.

The particulate matter is sucked in the calculating user within the current geographic position unit interval above During dosage, can be according to the physiological statuss (such as heart rate) of the user, kinestate not Together, it is logical to obtain unit interval of the active user under current motion state using different calculating standards Tolerance, and then obtain the agent that the user sucks the particulate matter within the current geographic position unit interval Amount.

By taking the difference of Subscriber Unit time ventilation under different hearts rate as an example, vigorous exercise (is for example played football) When user heart rate be usually under resting state about 2.5 times, use under ordinary movement state (such as taking a walk) Family user heart rate is usually about 1.5 times under resting state, Subscriber Unit time ventilation and heart rate into Direct ratio.

In one of embodiment of the present invention, in order to pointedly provide the user with and itself suction The related suggestion of particulate matter, the method for monitoring user suction air particle of the present invention also include：

- add up to suck the component of the particulate matter with the user by client or remote server offer With the corresponding suggestion of dosage.

For example, the dosage of the user accumulative suction particulate matter (such as PM2.5) is more than specific mark Standard, then provide such as " this morning, the concentration of particulate matter PM2.5 reached XX values, belonged to serious pollution, You suck the dosage of PM2.5 the morning more than XX, it is noted that protection " etc. suggestion.

Preferably, the suggestion is pushed by remote server.

Certainly, in order to release more humane suggestion, the particular remote server of the embodiment of the present application is also The information of other application programs on client terminal device (such as weather) can be obtained, with reference to special time In interval, the user sucks the component and dosage of the particulate matter, is more fully advised.For example, It is far smaller than specific criteria that the user adds up to suck the dosage of the particulate matter, and current geographic position Weather conditions be " fine ", then push such as " this morning particulate matter PM2.5 concentration be less than XX Value, air quality are excellent, and you suck the dosage of PM2.5 the morning less than XX, can trust outdoor activity " Deng suggestion.In in the period of there is severe contamination, present invention prompting user reduces outdoor activities, especially greatly Momental outdoor activities.And calculate due to user's compliance health prompt, change Behavior law, it is theoretical On the particulate matter suction volume that avoids, there is provided such as " Beijing area serious pollution this morning, it is flat by you When life and the characteristics of motion, you suck the dosage of particulate matter the morning and are theoretically NNN.Actual feelings Condition is, you rationally go on a journey suitable exercise according to prediction of air quality, the actual suction of the dosage of particulate matter Dosage is MMM " etc. information.

Fig. 5 be according to the component for pushing user's suction air particle of the application another embodiment and The flow chart of the method for dosage.

Methods described can be realized by the network equipment.The network equipment is including but not limited to single The webserver, the server group of multiple webservers composition are based on cloud computing (Cloud Computing the cloud being made up of a large amount of computers or the webserver), wherein, cloud computing is point One kind that cloth is calculated, a super virtual computer being made up of the loosely-coupled computer collection of a group. Wherein, the network residing for the computer equipment include but is not limited to the Internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN etc..

As shown in figure 5, the method for the component and dosage for pushing user's suction air particle includes：

Step S501, receives the acquisition spy corresponding with specific geographic position sent from client terminal device The request of the component and concentration of particulate in air of fixing time.

Step S502, based on the request, will be special time corresponding with the specific geographic position empty In gas, the component and concentration of particulate matter is sent to the client terminal device.

Specifically, the network equipment can pass through the distribution of network and diverse geographic location, for monitoring sky In gas, the device of particle concentration is communicated, obtain periodically or in real time that these devices upload from it is different The concentration of particulate in air in the corresponding different time in geographical position, if so as to receive client The interval interior particulate in air of acquisition special time corresponding with specific geographic position that device sends The request of concentration, then will be the special time corresponding with specific geographic position obtained from other devices interval The concentration of interior particulate in air is sent to client terminal device.

In the present embodiment, the geographical position can both include indoor position, it is also possible to including outdoor Position.

Alternatively, the above-mentioned component of push user suction air particle and the method for dosage also include：

- obtain the user accumulative suction granule in the special time interval of client terminal device The dosage of thing,

- push advise to visitor corresponding with component and dosage that the user adds up to suck the particulate matter Family end device.

Wherein, the acquisition can be directly obtained from client terminal device the user for providing by server The accumulative dosage for sucking the particulate matter, it is also possible to which the use is calculated according to the parameter of client offer Family adds up the dosage for sucking the particulate matter.In addition, the acquisition can be from server actively to from visitor Family end device sends request to realize, it is also possible to by client terminal device automatically by special time interval interior institute The dosage for stating user's suction particulate matter uploads onto the server to realize.

Fig. 6 is the client dress of the monitoring user's suction air particle according to the application one embodiment The block diagram put.

Client can be arranged on client terminal device in the way of application program (app).Client Device includes but is not limited to smart mobile phone, panel computer, Intelligent bracelet etc..

According to Fig. 6, the client terminal device of the monitoring user suction air particle includes：

Geographical position collecting unit 601, for gathering the current geographic position of user.

Particulate matter component and concentration acquiring unit 602, for based on the current geographic position, obtaining The component and concentration of special time particulate in air corresponding with current geographic position.

Kinestate acquiring unit 603, for obtaining the current motion state of the user.

Suction particulate matter component and Rapid Dose Calculation unit 604, for based on the current motion state and The concentration of the particulate in air corresponding with current geographic position, calculates the interval interior institute of special time State user to add up to suck the component and dosage of the particulate matter.

Alternatively, Fig. 7 is refer to, the particulate matter component and concentration acquiring unit 602 include：

Judge module 701, for based on the current geographic position, judging the current geographic position User be located at it is indoor or outdoor.

Particle concentration acquisition module 702, for based on the judgement, from data source obtain with it is current The concentration of the corresponding special time particulate in air in geographical position.

Alternatively, the particle concentration acquisition module 702 is capable of achieving：

- judge that the user for obtaining current geographic position is located at interior if based on described, search for the interior With the presence or absence of the attachable equipment for detecting particulate in air concentration,

- if it is present obtaining in special time air corresponding with current geographic position from the equipment The concentration of particulate matter；

- if it does not exist, then sending acquisition spy corresponding with current geographic position to particular remote server The request of the concentration of particulate in air of fixing time simultaneously is received from described in the return of particular remote server The concentration of particulate in air corresponding with current geographic position.

Alternatively, Fig. 8 is refer to, the suction particulate matter component and Rapid Dose Calculation unit 604 include：

Ventilation acquisition module 801, for based on the current motion state, determining that the user exists Unit interval ventilation under current motion state；

Suction particulate matter component and dosage acquisition module 802, for based on described and current geographic position The unit interval of the concentration of corresponding particulate in air and the user under current motion state leads to Tolerance, calculates the interval interior user of special time and adds up to suck the dosage of the particulate matter.

Alternatively, the suction particulate matter component and dosage acquisition module include following calculating special time In interval, the user adds up the module of the dosage for sucking the particulate matter：

I_t=V_t×C_t

And/or

I_{K, t}=V_t×C_{K, t}

And/or

According to one embodiment of the application, the client dress of the monitoring user suction air particle Putting also includes：

- physiological statuss acquiring unit (not shown), for obtaining the physiological statuss of the user；And, The suction particulate matter component and Rapid Dose Calculation unit include：

- suction particulate matter component and dosage acquisition module (not shown), for based on the current kinetic State and the physiological statuss, determine unit interval ventilation of the user under current motion state, The concentration and the user for being hereby based on the particulate in air corresponding with current geographic position exists Unit interval ventilation under current motion state, calculates the interval interior user of special time and adds up to inhale Enter the dosage of the particulate matter.

- suggestion provides unit (not shown), for providing and the user accumulative suction particulate matter Component and the corresponding suggestion of dosage.

Alternatively, the client terminal device of the monitoring user suction air particle also includes：

- suggestion receiving unit, it is accumulative with the user from particular remote server push for receiving Suck the corresponding suggestion of component and dosage of the particulate matter.

Display unit (not shown), inhales for the interval interior accumulative user of the special time is presented The component and dosage and the user that enter the particulate matter suck the component and dosage pair of the particulate matter Suggestion answered etc..

Fig. 9 is the component mediating recipe for pushing user's suction air particle according to the application one embodiment The block diagram of the server of amount.

The server includes but is not limited to single network server, the clothes of multiple webservers composition Business device group or based on cloud computing (Cloud Computing) by a large amount of computers or webserver structure Into cloud, wherein, cloud computing is one kind of Distributed Calculation, by the loosely-coupled computer collection of a group One super virtual computer of composition.Wherein, the network residing for the server is included but is not limited to The Internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN etc..

According to Fig. 9, the push user sucks the server of the component and dosage of air particle to be included：

Request reception unit 901, for receiving the acquisition and specific geographic that send from client terminal device The request of the concentration of the corresponding special time particulate in air in position；

Transmitting element 902, for being based on the request, will spy corresponding with the specific geographic position The concentration of particulate in air of fixing time is sent to the client terminal device.

Alternatively, the server of the component and dosage for pushing user's suction air particle also includes：

Suction particulate matter component and Rapid Dose Calculation unit, for obtain from client terminal device it is specific when Between it is interval in the user add up to suck the component and dosage of the particulate matter.Wherein, the acquisition can To be component and integral dose of the direct access from user's suction particulate matter of client, When can also suck the component and unit of the particulate matter according to the user that client sends Between suck the dosage of the particulate matter and carry out calculated result.

According to one embodiment of present invention, additionally provide a kind of portable terminal.The portable terminal End includes but is not limited to smart mobile phone, panel computer, PC etc..The portable terminal has One or more defined in client terminal mentioned above are with lower unit：

In one embodiment, above-mentioned portable terminal is smart mobile phone, and which has：

- geographical position collecting unit, for gathering the current geographic position of user；

- particulate matter component and concentration acquiring unit, for based on the current geographic position, obtaining and working as The component and concentration of the corresponding special time particulate in air in front geographical position；

- kinestate acquiring unit, for obtaining the current motion state of the user.

In one embodiment, above-mentioned smart mobile phone can also have：

- suction particulate matter component and Rapid Dose Calculation unit, for based on the current motion state and described The concentration of particulate in air corresponding with current geographic position, calculates the interval interior use of special time Family adds up the component and dosage for sucking the particulate matter.

In one embodiment, above-mentioned smart mobile phone can also have：

- suggestion unit is provided, add up to suck the component mediating recipe of the particulate matter with the user for providing Measure corresponding suggestion；And/or

In one embodiment, above-mentioned smart mobile phone can also have：

- physiological statuss acquiring unit, for obtaining the physiological statuss of the user.

According to the application one embodiment, there is provided a kind of intelligent handss communicated with above-mentioned portable terminal Ring, the Intelligent bracelet can be used for：Obtain user current geographic position and will be acquired current Geographical position is sent to the geographical position collecting unit of the portable terminal.

Specifically, the Intelligent bracelet can pass through blue tooth interface, wifi etc. by acquired current position Reason position is sent to the geographical position collecting unit of the portable terminal.

According to one preferred embodiment of the application, there is provided a kind of intelligence communicated with above-mentioned portable terminal Energy bracelet, the Intelligent bracelet can be used for：Gather the physiological statuss (such as heart rate) of the user And the physiological statuss are sent to the portable terminal by blue tooth interface, wifi etc..

According to one preferred embodiment of the application, there is provided a kind of inspection communicated with above-mentioned portable terminal Measurement equipment, wherein

The testing equipment is used for：The concentration of detection indoor accelerated test, and/or,

The concentration of detected indoor accelerated test is sent to the portable terminal.

Wherein described testing equipment by the concentration of detected indoor accelerated test by network (include but It is not limited to the Internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN etc.) send to the service Device.

Certainly, it should be noted that as the concentration of indoor accelerated test is with current geographic position above The individual privacy for equally belonging to user is put, therefore, in order to protect the rights and interests of user, the embodiment of the present application In the testing equipment concentration of detected indoor accelerated test is sent to client terminal device or Before server, the agreement of the user for needing to obtain the testing equipment.The mode of the agreement, example As can by user on the testing equipment to " whether by the concentration of detected indoor accelerated test Send to client terminal device or server " carry out the setting of "Yes" or "No".Certainly, agreement Mode is not limited thereto.

In order to more clearly describe above-mentioned client terminal device, server, Intelligent bracelet and be used to detect The communication connection relation of the testing equipment of the concentration of indoor accelerated test, refer to Figure 10, and Figure 10 is illustrated Client terminal device, server, Intelligent bracelet according to the application one preferred embodiment and it is used for The communication connection block diagram of the testing equipment of the concentration of detection indoor accelerated test.

As shown in Figure 10, client terminal device can be by network (including but not limited to the Internet, wide Domain net, Metropolitan Area Network (MAN), LAN, VPN etc.) communicated with server, and by bluetooth, Wifi etc. is communicated with Intelligent bracelet, testing equipment, and testing equipment can also be by network (bag Include but be not limited to the Internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN etc.) by what is detected The concentration of indoor accelerated test is sent to the server.

Certainly, the annexation of each device described in Figure 10 is only example, and other annexations such as may be used Suitable for the present invention, equally it is incorporated herein by reference.

It should be noted that the present invention can be carried out in the assembly of software and/or software with hardware, For example, each of the invention device can adopt special IC (ASIC) or any other is similar hard Part equipment is realizing.In one embodiment, software program of the invention can pass through computing device To realize steps described above or function.Similarly, software program of the invention (includes related number According to structure) can be stored in computer readable recording medium storing program for performing, for example, RAM memory, magnetic or CD-ROM driver or floppy disc and similar devices.In addition, some steps or function of the present invention can be using hard Part realizing, for example, as coordinating so as to perform the circuit of each step or function with processor.

It is obvious to a person skilled in the art that the invention is not restricted to the thin of above-mentioned one exemplary embodiment Section, and without departing from the spirit or essential characteristics of the present invention, can be with other concrete Form realizes the present invention.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary , and be nonrestrictive, the scope of the present invention is by claims rather than described above is limited It is fixed, it is intended that all changes in the implication and scope of the equivalency of claim that will fall are included In the present invention.Any reference in claim should not be considered as the right involved by limiting will Ask.Furthermore, it is to be understood that " including " word is not excluded for other units or step, odd number is not excluded for plural number.System The multiple units stated in system claim or device can also pass through software by a unit or device Or hardware is realizing.

Claims

1. a kind of method that monitoring user sucks air particle, including：

The current geographic position of collection user；

Obtain the current motion state of the user；

Based on the current motion state and the particulate in air corresponding with current geographic position Component and concentration, calculate special time it is interval in the user add up to suck the component of the particulate matter And dosage,

Preferably, also include：

Suggestion corresponding with component and dosage that the user adds up to suck the particulate matter is provided.

2. method according to claim 1, wherein it is described based on the current geographic position, obtain The step of taking the component and concentration of special time particulate in air corresponding with current geographic position is wrapped Include：

Based on the judgement, obtain in special time air corresponding with current geographic position from data source The component and concentration of particulate matter,

For example：

3. method according to claim 1, wherein described based on the current motion state and institute The component and concentration of particulate in air corresponding with current geographic position are stated, special time is calculated interval The step of interior user adds up the component and dosage for sucking the particulate matter includes：

4. method according to claim 3, wherein it is described based on described with current geographic position pair The unit interval ventilation of the concentration of the particulate in air answered and the user under current motion state Amount, the interval interior user of calculating special time adds up the step of sucking the dosage of the particulate matter to be included：

I_t=V_t×C_t

And/or

I = {&Integral;}_{t_{0}}^{t_{1}} V_{t} \times C_{t} d t

Wherein, I represents that the interval interior user of special time adds up to suck the dosage of the particulate matter, t₀～t₁Represent that special time is interval, V_tRepresent that unit interval of the user under current motion state leads to Tolerance, C_tThe concentration of the corresponding particulate in air of t current geographic position is represented,

Preferably, wherein

It is described to calculate the agent that the user sucks the particulate matter within the current geographic position unit interval Amount includes：

I_k,t=V_t×C_k,t

Wherein, I_k,tRepresent that the user was sucked in the particulate matter within the current geographic position unit interval The dosage of component k, V_tRepresent unit interval ventilation of the user under current motion state, C_k,t Represent the concentration of component k in particulate matter described in the corresponding air of t current geographic position；

And/or

I_{k} = {&Integral;}_{t_{0}}^{t_{1}} V_{t} \times C_{k, t} d t

Wherein, I_kRepresent that the interval interior user of special time sucks the agent of component k in the particulate matter Amount, t₀～t₁Represent that special time is interval, V_tWhen representing unit of the user under current motion state Between ventilation, C_k,tIn the corresponding particulate in air of expression t current geographic position, component k is dense Degree.

5. the method according to any one of claim 1-4, also includes：

The step of obtaining the physiological statuss of the user；And

6. it is a kind of to push the method that user sucks the component and dosage of air particle, including：

Based on the request, will special time particulate in air corresponding with the specific geographic position Component and concentration send to the client terminal device, and

Preferably, also include：

Obtain the user accumulative suction granule in the special time interval of client terminal device The dosage of thing, and/or

Preferably, also include：

7. a kind of monitoring user sucks the client terminal device of air particle, including：

Particulate matter component and concentration acquiring unit, for based on the current geographic position, obtaining and working as The component and concentration of the corresponding special time particulate in air in front geographical position；

Kinestate acquiring unit, for obtaining the current motion state of the user；

Suction particulate matter component and Rapid Dose Calculation unit, for based on the current motion state and described The concentration of particulate in air corresponding with current geographic position, calculates the interval interior use of special time Family adds up the component and dosage for sucking the particulate matter,

For example, wherein the particle concentration acquiring unit includes：

Judge module, for based on the current geographic position, judging the use of the current geographic position Family is located at indoor or outdoor；

Particle concentration acquisition module, for based on the judgement, obtaining from data source and current geographic The concentration of the corresponding special time particulate in air in position,

Preferably, wherein the particle concentration acquisition module is used for：

Judge that the user for obtaining current geographic position is located at interior if based on described, search for the interior With the presence or absence of the attachable equipment for detecting particulate in air concentration,

If it is present obtaining in special time air corresponding with current geographic position from the equipment The concentration of particulate matter；

If it does not exist, then sending acquisition spy corresponding with current geographic position to particular remote server The request of the concentration of particulate in air of fixing time simultaneously is received from described in the return of particular remote server The concentration of particulate in air corresponding with current geographic position.

8. client terminal device according to claim 7, wherein the suction particulate matter component mediating recipe Amount computing unit includes：

Ventilation acquisition module, for based on the current motion state, determining the user current Unit interval ventilation under kinestate；

Suction particulate matter component and dosage acquisition module, for based on described corresponding with current geographic position Particulate in air unit interval ventilation under current motion state of concentration and the user, Calculate the interval interior user of special time to add up to suck the dosage of the particulate matter,

For example, wherein when the suction particulate matter component and dosage acquisition module include that following calculating is specific Between it is interval in the user module of dosage that adds up to suck the particulate matter：

I_t=V_t×C_t

And/or

I = {&Integral;}_{t_{0}}^{t_{1}} V_{t} \times C_{t} d t

Preferably, wherein the suction particulate matter component and dosage acquisition module include that following calculating is specific In time interval, the user adds up the module of the dosage for sucking the particulate matter：

I_k,t=V_t×C_k,t

And/or

I_{k} = {&Integral;}_{t_{0}}^{t_{1}} V_{t} \times C_{k, t} d t

9. it is a kind of to push the server that user sucks the component and dosage of air particle, including：

Transmitting element, for being based on the request, when will be corresponding specific with the specific geographic position Between the concentration of particulate in air send to the client terminal device,

Preferably, also include：

Suction particulate matter component and dosage acquiring unit, for obtain from client terminal device it is specific when Between it is interval in the user add up to suck the component and dosage of the particulate matter, and/or

Preferably, also include：

Suggestion push unit, push add up to suck the component and dosage pair of the particulate matter with the user The suggestion answered is to client terminal device.

10. a kind of portable terminal, which has one or more clients as claimed in claim 7 or 8 Defined in end device with lower unit：

(8) display unit, for described of the interval interior accumulative user's suction of the special time is presented The component and dosage of grain thing, and/or it is corresponding with component and dosage that the user sucks the particulate matter Suggestion,

For example,

The portable terminal is smart mobile phone, and which has：

Kinestate acquiring unit, for obtaining the current motion state of the user,

Preferably, wherein the smart mobile phone also has：

It is furthermore preferred which also has

Physiological statuss acquiring unit, for obtaining the physiological statuss of the user,

Or, which also has

- suggestion unit is provided, for provide with the user add up to suck the component of the particulate matter and The corresponding suggestion of dosage；And/or

- suggestion receiving unit, it is tired with the user from particular remote server push for receiving The component of the meter suction particulate matter and the corresponding suggestion of dosage.