CN109151166B - Call duration reminding method and device and mobile terminal - Google Patents
Call duration reminding method and device and mobile terminal Download PDFInfo
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- CN109151166B CN109151166B CN201810775303.9A CN201810775303A CN109151166B CN 109151166 B CN109151166 B CN 109151166B CN 201810775303 A CN201810775303 A CN 201810775303A CN 109151166 B CN109151166 B CN 109151166B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72451—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to schedules, e.g. using calendar applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72457—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
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Abstract
The invention relates to the technical field of communication, and discloses a method for reminding call duration, which comprises the following steps: when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1(ii) a When the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the method, the temperature drop value T of the head of the user is obtained2(ii) a According to the temperature rise value T1And a temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time; and when the total temperature rise value T is judged to be greater than or equal to the preset temperature rise threshold value, generating reminding information. The invention can calculate the total temperature rise value of the head of the user according to the temperature change value of the head of the user in different conversation scenes, and set reasonable conversation reminding information according to the total temperature rise value of the head of the user so as to remind the user of overlong conversation time.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for reminding call duration and a mobile terminal.
Background
With the popularization and development of mobile terminals, the frequency and duration of using mobile terminals are increasing, and mobile terminals have become the main communication tool in daily life. However, these mobile terminals not only facilitate the communication of the user, but also bring potential hazards to the health of the user. For example, high frequency radio waves emitted by a mobile phone during a call may have a negative effect on the human body. Therefore, in order to avoid the harm to the human body caused by the electromagnetic radiation emitted by the mobile terminal during the call, the call duration of the user using the mobile terminal needs to be monitored, so that the user is timely reminded to reasonably control the call duration.
In the prior art, a main method for avoiding the overlong call time is to count the call time of a user, and when the call time is greater than a preset time threshold, a mobile terminal sends prompt information in time to remind the user to take corresponding measures. However, in the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art: because the mobile terminal has different call scenes, except that the mobile terminal is close to the head of a user for calling, the mobile terminal also comprises the modes of using an earphone, opening a hands-free phone and the like for calling, and in the different call scenes, the electromagnetic radiation of the mobile terminal is different, so that the influence of the electromagnetic radiation of the mobile terminal on a human body is judged only by the length of the call time, and the influence of the electromagnetic radiation of the mobile terminal on the human body cannot be accurately reflected, so that reasonable call reminding time cannot be set, the call time of a user is reminded to be too long, and the negative influence of the electromagnetic radiation of the mobile terminal on the human body cannot be reduced.
Disclosure of Invention
The invention aims to provide a method and a device for reminding call duration and a mobile terminal, which can calculate the total temperature rise value of the head of a user according to the temperature change values of the head of the user in different call scenes, and set reasonable call reminding information according to the total temperature rise value of the head of the user so as to remind the user that the call duration is too long, thereby effectively reducing the negative influence of electromagnetic radiation of the mobile terminal on a human body.
In order to solve the technical problem, the invention provides a method for reminding the call duration, which comprises the following steps:
when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1；
When the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the method, the temperature drop value T of the head of the user is obtained2；
According to the temperature rise value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time;
when the total temperature rise value T is judged to be larger than or equal to a preset temperature rise threshold value, generating reminding information; the reminding information comprises reminding information used for reminding a user of overlong conversation time.
As an optimization scheme, when the mobile terminal is detected to be close to the head of the user, the first conversation time t when the mobile terminal is close to the head of the user is provided1In the method, a temperature rise value T of the head of the user is calculated1The method specifically comprises the following steps:
when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the above, the temperature rise value T of the head of the user is calculated by the following calculation formula1：
Wherein, Pout(t) is the transmission power of the mobile terminal in the current call, PmaxFor the maximum transmitting power of the mobile terminal, SAR is the electromagnetic wave absorption ratio of the mobile terminal, m is the mass of the user's head, P (t) is the electromagnetic wave energy radiated by the mobile terminal and absorbed by the user's head in a unit time, and Q is the first talk time t1The head of the inner user absorbs the electromagnetic wave energy radiated by the mobile terminal, and c is the specific heat capacity of the human tissue fluid of the user.
As an optimization scheme, when the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the method, the temperature drop value T of the head of the user is obtained2The method specifically comprises the following steps:
when the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the interior, the preset temperature drop value T is inquired2And a second communication time t2Obtaining the temperature drop value T of the head of the user2。
As an optimization scheme, the temperature rise value T1 and the temperature fall value T are used2Calculating the total call time of the user's headThe total temperature increase value T specifically includes:
the sum sigma T of all the temperature rise values T1 is calculated1；
The sum sigma T of all the temperature drop values T2 is calculated2；
According to the sum sigma T of all temperature rise values T11And the sum of all temperature drop values T2 ∑ T2Calculating the total temperature rise value T of the head of the user in the total call time through the following calculation formula:
T＝k(∑T1-∑T2)；
where k is a correction coefficient.
As an optimized scheme, the method for reminding the call duration further comprises the following steps:
acquiring the distance between the mobile terminal and the head of a user;
judging whether the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value or not;
when the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value, judging that the mobile terminal is close to the head of the user;
and when the distance between the mobile terminal and the head of the user is greater than a preset distance threshold value, judging that the mobile terminal is away from the head of the user.
In order to solve the same technical problem, the present invention further provides a device for reminding the duration of a call, including:
a temperature rise value calculating module for detecting a first call time t when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1；
A temperature drop value obtaining module, configured to, when it is detected that the mobile terminal is away from the head of the user, obtain a second communication time t when the mobile terminal is away from the head of the user2In the method, the temperature drop value T of the head of the user is obtained2；
A total temperature rise value calculation module for calculating a total temperature rise value T according to the temperature rise value T1And said temperature drop value T2Calculating the total call time of the user headThe total temperature rise value T in the interval;
the reminding information generating module is used for generating reminding information when the total temperature rise value T is judged to be greater than or equal to a preset temperature rise threshold value; the reminding information comprises reminding information used for reminding a user of overlong conversation time.
As an optimization scheme, the temperature increase value calculation module is specifically configured to:
when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the above, the temperature rise value T of the head of the user is calculated by the following calculation formula1：
Wherein, Pout(t) is the transmission power of the mobile terminal in the current call, PmaxFor the maximum transmitting power of the mobile terminal, SAR is the electromagnetic wave absorption ratio of the mobile terminal, m is the mass of the user's head, P (t) is the electromagnetic wave energy radiated by the mobile terminal and absorbed by the user's head in a unit time, and Q is the first talk time t1The head of the inner user absorbs the electromagnetic wave energy radiated by the mobile terminal, and c is the specific heat capacity of the human tissue fluid of the user.
As an optimization scheme, the temperature drop value acquisition module is specifically configured to:
when the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the interior, the preset temperature drop value T is inquired2And a second communication time t2Obtaining the temperature drop value T of the head of the user2。
As an optimization scheme, the total temperature rise value calculation module specifically includes:
a first summing unit for calculating the sum sigma T of all temperature rise values T11；
A second summation unit for calculating the sum sigma T of all temperature drop values T22；
A total temperature rise value calculation unit for calculating a total sum sigma T of all temperature rise values T11And the sum of all temperature drop values T2 ∑ T2Calculating the total temperature rise value T of the head of the user in the total call time through the following calculation formula:
T＝k(∑T1-∑T2)；
where k is a correction coefficient.
As an optimized scheme, the device for reminding the call duration further comprises:
the distance acquisition module is used for acquiring the distance between the mobile terminal and the head of the user;
the distance judgment module is used for judging whether the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value or not;
the first judging module is used for judging that the mobile terminal is close to the head of the user when the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value;
and the second judging module is used for judging that the mobile terminal leaves the head of the user when the distance between the mobile terminal and the head of the user is greater than a preset distance threshold value.
In order to solve the same technical problem, the invention also provides a mobile terminal which comprises the reminding device for the call duration.
The invention provides a method, a device and a mobile terminal for reminding call duration, wherein the method comprises the following steps: when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1(ii) a When the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the method, the temperature drop value T of the head of the user is obtained2(ii) a According to the temperature rise value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time; and generating reminding information when the total temperature rise value T is judged to be greater than or equal to a preset temperature rise threshold value. The invention can be used as followsThe method comprises the steps of calculating the total temperature rise value of the head of the user according to the temperature change value of the head of the user in the same conversation scene, and setting reasonable conversation reminding information according to the total temperature rise value of the head of the user so as to remind the user that the conversation time is too long, thereby effectively reducing the negative influence of electromagnetic radiation of the mobile terminal on a human body.
Drawings
Fig. 1 is a flowchart of a method for reminding a call duration in an embodiment of the present invention;
FIG. 2 is a flowchart of step S13 in an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method for determining whether a mobile terminal is proximate to a user's head according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a call duration reminding device in an embodiment of the present invention;
FIG. 5 is a block diagram of a total temperature rise calculation module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another call duration reminding device in the embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, a preferable method for reminding a call duration of the present invention includes:
s11, when the mobile terminal is detected to be close to the head of the user, the first conversation time t is that the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1；
S12, when the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the method, the temperature drop value T of the head of the user is obtained2；
S13, according to the temperature rising value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time;
s14, when the total temperature rise value T is judged to be larger than or equal to a preset temperature rise threshold value, generating reminding information; the reminding information comprises reminding information used for reminding a user of overlong conversation time.
The embodiment of the invention provides a method for reminding call duration, which comprises the following steps: when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1(ii) a When the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the method, the temperature drop value T of the head of the user is obtained2(ii) a According to the temperature rise value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time; and generating reminding information when the total temperature rise value T is judged to be greater than or equal to a preset temperature rise threshold value. The invention can calculate the total temperature rise value of the head of the user according to the temperature change value of the head of the user in different call scenes, and set reasonable call reminding information according to the total temperature rise value of the head of the user to remind the user that the call duration is too long, thereby effectively reducing the negative influence of the electromagnetic radiation of the mobile terminal on a human body.
It can be understood that, in the embodiment of the present invention, the mobile terminal may be a mobile phone, a tablet computer, or other terminal device; in the process that a user puts the mobile terminal close to the head to carry out conversation, the high-frequency wireless waves emitted by the mobile terminal can cause electromagnetic radiation to the head of the user, and negative effects are generated on the health of the user. Especially, under the condition of poor communication signals, the level value of the received signal reported to the base station by the mobile terminal is small, at this time, the base station requires the mobile terminal to use a large transmission power to transmit signals, and in this condition, the intensity of the electromagnetic radiation in the process is correspondingly increased, so that the head of the user is subjected to continuous electromagnetic radiation with large intensity, and the radiation easily causes uncomfortable symptoms such as face scald, dizziness, fatigue and the like of the user, so corresponding measures should be taken to avoid the head of the user from being adversely affected by the electromagnetic radiation of the mobile terminal.
In the inventionIn the embodiment, the situation when the mobile terminal leaves the head of the user includes the situation when the user uses hands-free or wears a headset, since the human body has a certain self-adjusting capability, after the mobile terminal leaves the head of the user, the temperature of the head can be slowly reduced by the user through self adjustment, and therefore, the temperature reduction value T of the head of the user in the time when the mobile terminal leaves the head of the user should be calculated2So as to ensure the accuracy of the final total temperature rise value T calculation of the head of the user. In the embodiment of the present invention, the preset temperature threshold may be a preset temperature threshold of the mobile terminal, or a preset temperature threshold of a user, and is specifically selected by the user according to the user's needs, without limitation. The temperature threshold can be 1 ℃, 2 ℃, 2.5 ℃, 3 ℃ and the like, and is selected by the user according to the needs, without limitation.
In the embodiment of the invention, the reminding information comprises information for reminding the user of overlong conversation time, and also comprises information for reminding the user of overlarge electromagnetic radiation of the mobile terminal, information for reminding the user of overhigh temperature of the mobile terminal and the like, and the reminding mode of the reminding information can be in the forms of vibration, sound, light, screen flicker, short messages and the like so as to remind the user to take corresponding measures in time, such as ending conversation and the like, so that the negative influence of the electromagnetic radiation of the mobile terminal on a human body is reduced.
For example, when the temperature rise value of the head of the user reaches a preset temperature threshold value of the mobile terminal, the mobile terminal sends out a voice prompt, such as: "your head is too hot, suggesting you end the current call or move the mobile terminal more than 30 cm away from the head".
In the embodiment of the invention, in order to accurately calculate the first call time t when the mobile terminal is close to the head of the user1And the temperature rise value of the head of the user, wherein the step S11 specifically includes:
when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the above, the temperature rise value T of the head of the user is calculated by the following calculation formula1：
Wherein, Pout(t) is the transmission power of the mobile terminal in the current call, PmaxFor the maximum transmitting power of the mobile terminal, SAR is the electromagnetic wave absorption ratio of the mobile terminal, m is the mass of the user's head, P (t) is the electromagnetic wave energy radiated by the mobile terminal and absorbed by the user's head in a unit time, and Q is the first talk time t1The head of the inner user absorbs the electromagnetic wave energy radiated by the mobile terminal, and c is the specific heat capacity of the human tissue fluid of the user.
Specifically, when the user is talking, when the mobile terminal is close to the head of the user, the head of the user can absorb the energy of the electromagnetic waves emitted by the mobile terminal, and the energy of the electromagnetic waves absorbed by the head of the user is further converted into heat energy, so that the temperature of the head of the user is gradually increased. Therefore, the electromagnetic wave energy radiated by the mobile terminal and absorbed by the head of the user in unit time can be calculated according to the ratio of the current transmitting power of the mobile terminal to the electromagnetic wave absorption of the mobile terminal, so as to reflect the influence of the current transmitting power of the mobile terminal on the head of the human body in unit time.
In the embodiment of the invention, the current transmitting power of the mobile terminal under different communication scenes is considered to be different; meanwhile, different SAR values of mobile terminals of different models are considered, for example, different SAR values of mobile phones of different models are considered, so that the mobile terminals of different models have different call reminding times in different call scenes, and the call reminding time of a user is more reasonable.
In the embodiment of the invention, in order to accurately acquire the second communication time t when the mobile terminal leaves the head of the user2In the step S12, the head descending value of the user is specifically:
when the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the interior, the preset temperature drop value T is inquired2And a second communication time t2Obtaining the temperature drop value T of the head of the user2。
For example, the preset temperature drop value T2And a second communication time t2The relationship table (2) can be in the following form:
of course, it can be understood that, since the temperature drop value of the head of the user is still influenced by the environment and the user himself/herself under different call scenarios, the temperature drop value of the head of the user may deviate, and then the preset temperature drop value T is obtained2And a second communication time t2The relationship (c) can be adjusted according to the actual call situation, and is not limited by the above examples.
As shown in fig. 2, in order to accurately calculate the total temperature increase value T of the head of the user in the total call time, the step S13 in the embodiment of the present invention specifically includes:
s131, calculating all temperature rise values T1Sum of (S ∑ T)1；
S132, calculating all temperature drop values T2Sum of (S ∑ T)2；
S133, according to the summation sigma T of all temperature rise values T11And the sum of all temperature drop values T2 ∑ T2Calculating the total temperature rise value T of the head of the user in the total call time through the following calculation formula:
T＝k(∑T1-∑T2)；
where k is a correction coefficient.
In the embodiment of the invention, the temperature rise value T of the head of the user is calculated for a plurality of times1And the temperature rise value T obtained by multiple calculations is compared1The superposition and summation are carried out to obtain the temperature rise value sigma T of the mobile terminal close to the head of the user in the total call time1(ii) a And calculating the temperature drop value T of the head of the user for a plurality of times2And the temperature drop value T obtained by multiple calculations is compared2The superposition and summation are carried out to obtain the temperature rise value sigma T of the mobile terminal leaving the head of the user in the total call time2(ii) a And then, calculating to obtain a total temperature rise value T in the total call time of the user through the correction coefficient k, so that the total temperature rise value T of the head of the user can be obtained more accurately, the accuracy of the call reminding time is further improved, and the negative influence of the electromagnetic radiation of the mobile terminal on a human body is further effectively reduced.
As shown in fig. 3, in order to determine whether the mobile terminal is close to the head of the user, the method for reminding the call duration further includes:
s21, acquiring the distance between the mobile terminal and the head of the user;
specifically, the distance between the mobile terminal and the head of the user can be monitored through a distance sensor, and the distance sensor is arranged inside the mobile terminal.
S22, judging whether the distance between the mobile terminal and the head of the user is less than or equal to a preset distance threshold value;
specifically, the preset distance threshold may be a distance threshold preset by the mobile terminal system, or may be a distance threshold preset by the user, and is specifically selected as needed without limitation; the preset distance threshold may be 1cm, 2cm, 5cm, 6cm, or the like, and is specifically set according to the actual situation of the user, without limitation.
S23, when the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value, judging that the mobile terminal is close to the head of the user;
and S24, when the distance between the mobile terminal and the head of the user is larger than a preset distance threshold, judging that the mobile terminal is away from the head of the user.
In order to solve the same technical problem, the invention further provides a device 100 for reminding the call duration. As shown in fig. 4, a preferred call duration reminding apparatus 100 according to the embodiment of the present invention includes:
a temperature rise value calculating module 11 for detecting a first call time t when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1；
The temperature drop value acquisition module 12 acquires the temperature drop value,for a second communication time t when the mobile terminal is detected to be away from the user's head2In the method, the temperature drop value T of the head of the user is obtained2；
A total temperature rise value calculation module 13 for calculating a total temperature rise value T according to the temperature rise value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time;
the reminding information generating module 14 is configured to generate reminding information when it is determined that the total temperature rise value T is greater than or equal to a preset temperature rise threshold; the reminding information comprises reminding information used for reminding a user of overlong conversation time.
The invention provides a device for calling time, comprising: a temperature rise value calculating module 11 for detecting a first call time t when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1(ii) a A temperature drop value obtaining module 12, configured to, when it is detected that the mobile terminal leaves the head of the user, obtain the second communication time t when the mobile terminal leaves the head of the user2In the method, the temperature drop value T of the head of the user is obtained2(ii) a A total temperature rise value calculation module 13 for calculating a total temperature rise value T according to the temperature rise value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time; and the reminding information generating module 14 is configured to generate reminding information when it is determined that the total temperature rise value T is greater than or equal to a preset temperature rise threshold value. The invention can calculate the total temperature rise value of the head of the user according to the temperature change value of the head of the user in different call scenes, and set reasonable call reminding information according to the total temperature rise value of the head of the user to remind the user that the call duration is too long, thereby effectively reducing the negative influence of the electromagnetic radiation of the mobile terminal on a human body.
It can be understood that, in the embodiment of the present invention, the mobile terminal may be a mobile phone, a tablet computer, or other terminal device; in the process that a user puts the mobile terminal close to the head to carry out conversation, the high-frequency wireless waves emitted by the mobile terminal can cause electromagnetic radiation to the head of the user, and negative effects are generated on the health of the user. Especially, under the condition of poor communication signals, the level value of the received signal reported to the base station by the mobile terminal is small, at this time, the base station requires the mobile terminal to use a large transmission power to transmit signals, and in this condition, the intensity of the electromagnetic radiation in the process is correspondingly increased, so that the head of the user is subjected to continuous electromagnetic radiation with large intensity, and the radiation easily causes uncomfortable symptoms such as face scald, dizziness, fatigue and the like of the user, so corresponding measures should be taken to avoid the head of the user from being adversely affected by the electromagnetic radiation of the mobile terminal.
In the embodiment of the present invention, the situation when the mobile terminal leaves the head of the user includes a situation when the user uses a hands-free phone or wears a headset, since the human body has a certain self-adjusting capability, after the mobile terminal leaves the head of the user, the temperature of the head can be slowly reduced by the user through self-adjustment, and therefore, the temperature reduction value T of the head of the user in the time when the mobile terminal leaves the head of the user should be calculated2So as to ensure the accuracy of the final total temperature rise value T calculation of the head of the user.
In the embodiment of the present invention, the preset temperature threshold may be a preset temperature threshold of the mobile terminal, or a preset temperature threshold of a user, and is specifically selected by the user according to the user's needs, without limitation. The temperature threshold can be 1 ℃, 2 ℃, 2.5 ℃, 3 ℃ and the like, and is selected by the user according to the needs, without limitation.
In the embodiment of the invention, the reminding information comprises information for reminding the user of overlong conversation time, and also comprises information for reminding the user of overlarge electromagnetic radiation of the mobile terminal, information for reminding the user of overhigh temperature of the mobile terminal and the like, and the reminding mode of the reminding information can be in the forms of vibration, sound, light, screen flicker, short messages and the like so as to remind the user to take corresponding measures in time, such as ending conversation and the like, so that the negative influence of the electromagnetic radiation of the mobile terminal on a human body is reduced.
For example, when the temperature rise value of the head of the user reaches a preset temperature threshold value of the mobile terminal, the mobile terminal sends out a voice prompt, such as: "your head is too hot, suggesting you end the current call or move the mobile terminal more than 30 cm away from the head".
In the embodiment of the invention, in order to accurately calculate the first call time t when the mobile terminal is close to the head of the user1The temperature rise value calculation module 11 is specifically configured to:
when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the above, the temperature rise value T of the head of the user is calculated by the following calculation formula1：
Wherein, Pout(t) is the transmission power of the mobile terminal in the current call, PmaxFor the maximum transmitting power of the mobile terminal, SAR is the electromagnetic wave absorption ratio of the mobile terminal, m is the mass of the user's head, P (t) is the electromagnetic wave energy radiated by the mobile terminal and absorbed by the user's head in a unit time, and Q is the first talk time t1The head of the inner user absorbs the electromagnetic wave energy radiated by the mobile terminal, and c is the specific heat capacity of the human tissue fluid of the user.
Specifically, when the user is talking, when the mobile terminal is close to the head of the user, the head of the user can absorb the energy of the electromagnetic waves emitted by the mobile terminal, and the energy of the electromagnetic waves absorbed by the head of the user is further converted into heat energy, so that the temperature of the head of the user is gradually increased. Therefore, the electromagnetic wave energy radiated by the mobile terminal and absorbed by the head of the user in unit time can be calculated according to the ratio of the current transmitting power of the mobile terminal to the electromagnetic wave absorption of the mobile terminal, so as to reflect the influence of the current transmitting power of the mobile terminal on the head of the human body in unit time.
In the embodiment of the invention, the current transmitting power of the mobile terminal under different communication scenes is considered to be different; meanwhile, different SAR values of mobile terminals of different models are considered, for example, different SAR values of mobile phones of different models are considered, so that the mobile terminals of different models have different call reminding times in different call scenes, and the call reminding time of a user is more reasonable.
In the embodiment of the invention, in order to accurately acquire the second communication time t when the mobile terminal leaves the head of the user2The temperature drop value obtaining module 12 is specifically configured to:
when the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the interior, the preset temperature drop value T is inquired2And a second communication time t2Obtaining the temperature drop value T of the head of the user2。
For example, the preset temperature drop value T2And a second communication time t2The relationship table (2) can be in the following form:
of course, it can be understood that, since the temperature drop value of the head of the user is still influenced by the environment and the user himself/herself under different call scenarios, the temperature drop value of the head of the user may deviate, and the preset temperature drop value T is2And a second communication time t2The relationship (c) can be adjusted according to the actual call situation, and is not limited by the above examples.
As shown in fig. 5, in order to accurately calculate the total temperature increase value T of the head of the user in the total call time, the total temperature increase value calculation module 13 specifically includes:
a first summing unit 131 for calculating the sum e T of all temperature rise values T11；
A second summing unit 132 for calculating a sum e T of all temperature drop values T22；
A total temperature rise value calculation unit 133 for calculating a total sum Σ T from all temperature rise values T11And the sum of all temperature drop values T2 ∑ T2Calculating the total temperature rise value T of the head of the user in the total call time through the following calculation formula:
T＝k(∑T1-∑T2)；
where k is a correction coefficient.
In the embodiment of the invention, the temperature rise value T of the head of the user is calculated for a plurality of times1And the temperature rise value T obtained by multiple calculations is compared1The superposition and summation are carried out to obtain the temperature rise value sigma T of the mobile terminal close to the head of the user in the total call time1(ii) a And calculating the temperature drop value T of the head of the user for a plurality of times2And the temperature drop value T obtained by multiple calculations is compared2The superposition and summation are carried out to obtain the temperature rise value sigma T of the mobile terminal leaving the head of the user in the total call time2(ii) a And then, calculating to obtain a total temperature rise value T in the total call time of the user through the correction coefficient k, so that the total temperature rise value T of the head of the user can be obtained more accurately, the accuracy of the call reminding time is further improved, and the negative influence of the electromagnetic radiation of the mobile terminal on a human body is further effectively reduced.
As shown in fig. 6, in order to determine whether the mobile terminal is in a state of being close to the head of the user or in a state of being away from the head, the apparatus 100 for reminding the duration of call further includes:
a distance obtaining module 15, configured to obtain a distance between the mobile terminal and a head of a user;
specifically, the distance between the mobile terminal and the head of the user can be monitored through a distance sensor, and the distance sensor is arranged inside the mobile terminal.
A distance determining module 16, configured to determine whether a distance between the mobile terminal and the head of the user is less than or equal to a preset distance threshold;
specifically, the preset distance threshold may be a distance threshold preset by the mobile terminal system, or may be a distance threshold preset by the user, and is specifically selected as needed without limitation; the preset distance threshold may be 1cm, 2cm, 5cm, 6cm, or the like, and is specifically set according to the actual situation of the user, without limitation.
The first judging module 17 is configured to judge that the mobile terminal is close to the head of the user when the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold;
and the second judging module 18 is used for judging that the mobile terminal leaves the head of the user when the distance between the mobile terminal and the head of the user is greater than a preset distance threshold value.
In order to solve the same technical problem, the present invention further provides a mobile terminal, including the above reminding device 100 for call duration.
The invention provides a method, a device and a mobile terminal for reminding call duration, wherein the method comprises the following steps: when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1(ii) a When the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the method, the temperature drop value T of the head of the user is obtained2(ii) a According to the temperature rise value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time; and generating reminding information when the total temperature rise value T is judged to be greater than or equal to a preset temperature rise threshold value. The invention can calculate the total temperature rise value of the head of the user according to the temperature change value of the head of the user in different call scenes, and set reasonable call reminding information according to the total temperature rise value of the head of the user to remind the user that the call duration is too long, thereby effectively reducing the negative influence of the electromagnetic radiation of the mobile terminal on a human body.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (11)
1. A method for reminding call duration is characterized by comprising the following steps:
when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1；
When the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the method, the temperature drop value T of the head of the user is obtained2；
According to the temperature rise value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time;
when the total temperature rise value T is judged to be larger than or equal to a preset temperature rise threshold value, generating reminding information; the reminding information comprises reminding information used for reminding a user of overlong conversation time.
2. The method for reminding duration of call as claimed in claim 1, wherein the first time t for call when the mobile terminal is close to the user's head is detected1In the method, a temperature rise value T of the head of the user is calculated1The method specifically comprises the following steps:
when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the above, the temperature rise value T of the head of the user is calculated by the following calculation formula1：
Wherein, Pout(t) is the transmission power of the mobile terminal in the current call, PmaxThe maximum transmitting power of the mobile terminal, SAR, the electromagnetic wave absorption ratio of the mobile terminal, m, the mass of the head of the user, and P (t) the mobile terminal radiation absorbed by the head of the user in unit timeQ is the first talk time t1The head of the inner user absorbs the electromagnetic wave energy radiated by the mobile terminal, and c is the specific heat capacity of the human tissue fluid of the user.
3. The method for reminding duration of call as claimed in claim 1, wherein the second time t of call when the mobile terminal leaves the user's head is detected2In the method, the temperature drop value T of the head of the user is obtained2The method specifically comprises the following steps:
when the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the interior, the preset temperature drop value T is inquired2And a second communication time t2Obtaining the temperature drop value T of the head of the user2。
4. A method for reminding the duration of a call as claimed in any one of claims 1 to 3, wherein said time period is based on said temperature rise value T1 and said temperature fall value T2Calculating the total temperature rise value T of the user head in the total call time specifically includes:
the sum sigma T of all the temperature rise values T1 is calculated1；
The sum sigma T of all the temperature drop values T2 is calculated2；
According to the sum sigma T of all temperature rise values T11And the sum of all temperature drop values T2 ∑ T2Calculating the total temperature rise value T of the head of the user in the total call time through the following calculation formula:
T＝k(∑T1-∑T2)；
where k is a correction coefficient.
5. The method for reminding duration of call according to any one of claims 1 to 3, wherein the method for reminding duration of call further comprises:
acquiring the distance between the mobile terminal and the head of a user;
judging whether the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value or not;
when the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value, judging that the mobile terminal is close to the head of the user;
and when the distance between the mobile terminal and the head of the user is greater than a preset distance threshold value, judging that the mobile terminal is away from the head of the user.
6. A device for reminding the duration of a call is characterized by comprising:
a temperature rise value calculating module for detecting a first call time t when the mobile terminal is close to the head of the user1In the method, a temperature rise value T of the head of the user is calculated1；
A temperature drop value obtaining module, configured to, when it is detected that the mobile terminal is away from the head of the user, obtain a second communication time t when the mobile terminal is away from the head of the user2In the method, the temperature drop value T of the head of the user is obtained2；
A total temperature rise value calculation module for calculating a total temperature rise value T according to the temperature rise value T1And said temperature drop value T2Calculating a total temperature rise value T of the head of the user in the total call time;
the reminding information generating module is used for generating reminding information when the total temperature rise value T is judged to be greater than or equal to a preset temperature rise threshold value; the reminding information comprises reminding information used for reminding a user of overlong conversation time.
7. The device for reminding the duration of a call as claimed in claim 6, wherein the temperature rise value calculating module is specifically configured to:
when the mobile terminal is detected to be close to the head of the user, the first conversation time t is carried out when the mobile terminal is close to the head of the user1In the above, the temperature rise value T of the head of the user is calculated by the following calculation formula1：
Wherein, Pout(t) is the transmission power of the mobile terminal in the current call, PmaxFor the maximum transmitting power of the mobile terminal, SAR is the electromagnetic wave absorption ratio of the mobile terminal, m is the mass of the user's head, P (t) is the electromagnetic wave energy radiated by the mobile terminal and absorbed by the user's head in a unit time, and Q is the first talk time t1The head of the inner user absorbs the electromagnetic wave energy radiated by the mobile terminal, and c is the specific heat capacity of the human tissue fluid of the user.
8. The device for reminding the duration of a call as claimed in claim 6, wherein the temperature drop value obtaining module is specifically configured to:
when the mobile terminal is detected to leave the head of the user, the second communication time t when the mobile terminal leaves the head of the user is carried out2In the interior, the preset temperature drop value T is inquired2And a second communication time t2Obtaining the temperature drop value T of the head of the user2。
9. The device for reminding the duration of a call as claimed in any one of claims 6 to 8, wherein the module for calculating the total temperature rise value specifically comprises:
a first summing unit for calculating the sum sigma T of all temperature rise values T11；
A second summation unit for calculating the sum sigma T of all temperature drop values T22；
A total temperature rise value calculation unit for calculating a total sum sigma T of all temperature rise values T11And the sum of all temperature drop values T2 ∑ T2Calculating the total temperature rise value T of the head of the user in the total call time through the following calculation formula:
T＝k(∑T1-∑T2)；
where k is a correction coefficient.
10. A call duration alerting device as claimed in any one of claims 6 to 8, wherein said call duration alerting device further comprises:
the distance acquisition module is used for acquiring the distance between the mobile terminal and the head of the user;
the distance judgment module is used for judging whether the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value or not;
the first judging module is used for judging that the mobile terminal is close to the head of the user when the distance between the mobile terminal and the head of the user is smaller than or equal to a preset distance threshold value;
and the second judging module is used for judging that the mobile terminal leaves the head of the user when the distance between the mobile terminal and the head of the user is greater than a preset distance threshold value.
11. A mobile terminal characterized by comprising a call duration alerting device as claimed in any one of claims 6-10.
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