CN113204009B - Running step length reminding method, running step length reminding device, terminal and computer readable storage medium - Google Patents
Running step length reminding method, running step length reminding device, terminal and computer readable storage medium Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a running step length reminding method, a running step length reminding device, a running step length reminding terminal and a computer readable storage medium. The method comprises the following steps: obtaining the distance between the first preset device and each target device respectively; acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device; when the horizontal distance is greater than a preset distance, sending out prompt information; the preset point is the midpoint of a connecting line of the first target device and the second target device. The invention can remind the user of overlong running step length without whole body video shooting, thereby realizing the reminding of the step length of the runner running outdoors.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a running step length reminding method, a running step length reminding device, a running step length reminding terminal and a running step length reminding computer readable storage medium.
Background
In the prior art, the step of the runner can be detected only by video shooting of the runner, so that step detection can be realized only on the runner, the runner is reminded to adjust the step, a plurality of runners select outdoor running, whole body video shooting cannot be performed on the runner during outdoor running, and no method for reminding the step of the runner who runs outdoors exists at present.
Accordingly, there is a need for improvement and advancement in the art.
Disclosure of Invention
The embodiment of the invention provides a running step length reminding method, a running step length reminding device, a running step length reminding terminal and a computer storage medium, and aims to solve the problem that no method for reminding the step length of a runner running outdoors exists in the prior art.
In a first aspect, an embodiment of the present invention provides a running step length reminding method, including:
obtaining the distance between the first preset device and each target device respectively;
acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device;
when the horizontal distance is greater than a preset distance, sending out prompt information;
the preset point is the midpoint of a connecting line of the first target device and the second target device.
The method, wherein the obtaining the distance between the first preset device and each target device includes:
after the first preset device receives the target signals, determining the distances between the first preset device and each target device according to the intensity of each target signal received by the first preset device;
wherein each target signal is a signal sent by each target device.
The method, wherein the determining the distance between the first preset device and each target device according to the strength of each target signal received by the first preset device includes:
determining the distance between the first preset device and each target device according to the preset reference signal intensity and the intensity of each target signal;
the preset reference signal strength is the strength of a signal sent by the target device and received by the first preset device when the distance between the first preset device and the target device is the reference distance.
The method, wherein the determining the distance between the first preset device and each target device according to the preset reference signal strength and the strength of each target signal includes:
determining the distance between the first preset device and each target device through a first preset formula;
the first preset formula is:
wherein d is a distance between the first preset device and the target device corresponding to the received target signal, RSSI (d) is a strength of the target signal received by the first preset device, RSSI (d 0 ) And for the preset reference signal strength corresponding to the target signal received by the first preset device, N is a preset parameter.
The method, wherein the target device further includes a third target device, and the obtaining, according to the distances between the first preset device and each target device, the horizontal distance between the first preset device and a preset point includes:
determining the horizontal distance according to a second preset formula;
the second preset formula is:
wherein s is the horizontal distance, k, m, n are the distances from the first preset device to the first target device, the second target device and the third target device respectively, a is half of the distance between the first target device and the second target device, and b is the distance from the third target device to the preset point.
The method, wherein the obtaining the distance between the first preset device and each target device includes:
acquiring the vibration frequency of the first preset device;
and when the vibration frequency of the first preset device is higher than a preset threshold value, acquiring the distance between the first preset device and each target device.
In a second aspect, an embodiment of the present invention provides a running step length reminding device, including:
the first distance acquisition module is used for acquiring the distance between the first preset device and each target device;
the second distance acquisition module is used for acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device;
the prompt module is used for sending prompt information when the horizontal distance is greater than a preset distance.
In a third aspect, an embodiment of the present invention provides a terminal, where the terminal includes a memory, a processor, and a running step size reminding program stored in the memory and capable of running on the processor, and the steps of the method are implemented when the processor executes the running step size reminding program.
In a fourth aspect, an embodiment of the present invention provides a running step length reminding system, including a first preset device, a plurality of target devices, and a terminal provided in a third aspect of the present invention;
the terminal is used for acquiring the distance between the first preset device and each target device, acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device, and sending prompt information according to the horizontal distance.
In a fifth aspect, embodiments of the present invention provide a computer readable storage medium storing a running step size alert program, which when executed by a processor, implements the steps of the method described above.
The beneficial effects are that: compared with the prior art, the running step length reminding method, the running step length reminding device, the terminal and the computer readable storage medium provided by the invention have the advantages that the distance between the first preset device and each target device is obtained through the distance between the first preset device and each target device, each target device comprises the first target device and the second target device, the preset point is the midpoint of the connecting line of the first target device and the second target device, thus, a user can set the first target device and the second target device on two sides of the waist, the first preset device is arranged on the foot, the horizontal distance from the first preset device to the preset point is the horizontal distance between the foot of the user and the center of gravity of the user, and when the horizontal distance is larger than the preset distance, prompt information is sent, the user can remind the user of overlong running step length without whole body video shooting, and the step length of the user can be reminded outdoors.
Drawings
FIG. 1 is a flowchart of an embodiment of a running step size reminding method according to the present invention;
fig. 2 is a schematic wearing diagram of a first preset device and a target device in an embodiment of a running step reminding method according to the present invention;
FIG. 3 is a schematic diagram of the positions of a preset point, a target device and a first preset device in an embodiment of a running step reminding method according to the present invention;
FIG. 4 is a schematic diagram of functional modules of a running step reminding device according to the present invention;
fig. 5 is a schematic diagram of an embodiment of a terminal provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and more specific, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1, fig. 1 is a flowchart of a running step reminding method according to an embodiment of the invention. The running step length reminding method provided by the embodiment comprises the following steps:
s100, obtaining distances between the first preset device and each target device respectively.
Specifically, the running step length reminding method provided by the embodiment may be executed by a terminal, and the terminal may be, but is not limited to, a mobile phone, a computer, a tablet computer, a wearable device and the like. The obtaining the distance between the first preset device and each target device respectively includes:
and after the first preset device receives the target signals, determining the distances between the first preset device and each target device according to the intensity of each target signal received by the first preset device.
The target signals are signals sent by the target devices, and the target signals are radio wave signals or sound wave signals, such as Bluetooth signals. Each target device can send out the target signal, the first preset device receives the target signal, and the distance between the first preset device and the corresponding target device is determined according to the strength of the target signal. Specifically, each target signal sent by each target device may have an identity of the target signal, and the first preset device determines the target device corresponding to the target signal through the identity after receiving the target signal. After the first preset device receives the target signals, the first preset device may determine the distances between the first preset device and the target devices according to the intensities of the target signals, and in this embodiment, after the first preset device receives the intensities of the target signals, the first preset device sends the intensities of the target signals to a terminal, and the terminal calculates the distances between the first preset device and the target devices according to the intensities of the target signals, so that the calculated parts may be disposed on the terminal with calculation capability, and the first preset device may employ a simpler processing chip.
The terminal can be in communication connection with the first preset device, for example, can be connected in a Bluetooth or Internet of things mode, so that data can be received from the first preset device.
Specifically, the determining, according to the strength of each target signal received by the first preset device, the distance between the first preset device and each target device includes:
and determining the distance between the first preset device and each target device according to the preset reference signal intensity and the intensity of each target signal.
The preset reference signal strength is the strength of a signal sent by the target device and received by the first preset device when the distance between the first preset device and the target device is the reference distance.
The signal strength decreases along with the increase of the propagation distance, and based on this principle, ranging can be achieved by RSSI (Received Signal Strength Indicator, strength indication of the received signal), in this embodiment, a reference distance is set first, and when the distance between the first preset device and the target device is determined to be the reference distance, the strength of the signal sent by the target device when the signal is received by the first preset device is the preset reference signal strength, and the current distance between the first preset device and each target device is determined according to the difference between the strength of each target signal received by the first preset device and the preset reference signal strength. Specifically, determining the distances between the first preset device and each target device according to the preset reference signal strength and the strength of each target signal may be implemented according to a first preset formula, where the first preset formula is:
wherein d is a distance between the first preset device and the target device corresponding to the received target signal, RSSI (d) is a strength of the target signal received by the first preset device, RSSI (d 0 ) And for the preset reference signal strength corresponding to the target signal received by the first preset device, N is a preset parameter. N is related to the material of the signal transmitter and the signal receiver, the signal transmission medium, and can be determined by determining a plurality of groups N by presetting a plurality of d and correspondingly measuring RSSI (d) and averaging.
Referring to fig. 1 again, after obtaining the distances between the first preset device and each target device, the running step reminding method provided in this embodiment further includes the steps of:
s200, acquiring horizontal distances from the first preset device to preset points according to the distances between the first preset device and each target device.
Each target device comprises a first target device and a second target device, and the preset point is the midpoint of a connecting line of the first target device and the second target device. The first preset device may be disposed on the foot of the runner, and the target device may be disposed on the waist of the runner, as shown in fig. 2, and the runner may wear the waist belt, and the target device may be disposed on the waist belt, thereby achieving the fixation of the target device on the waist of the runner. It can be seen that, as long as the first target device and the second target device are disposed on two sides of the waist, the midpoint of the connection line between the first target device and the second target device is the center of gravity of the runner, and the horizontal distance between the first preset device and the preset point is the horizontal distance between the foot of the runner and the center of gravity, and the horizontal distance reflects the step length of the runner.
Specifically, the target device further includes a third target device, and the obtaining, according to the distances between the first preset device and the respective target devices, the horizontal distance between the first preset device and a preset point includes:
determining the horizontal distance according to a second preset formula;
the second preset formula is:
wherein s is the horizontal distance, k, m, n are the distances from the first preset device to the first target device, the second target device and the third target device respectively, a is half of the distance between the first target device and the second target device, and b is the distance from the third target device to the preset point.
Specifically, the distance between the first target device and the second target device and the distance between the third target device and the preset point may be set by the runner, for example, it may be recommended that the third target device is disposed right in front of or right behind the waist, that is, the line connecting the third target device and the preset point is perpendicular to the line connecting the first target device and the second target device, so that the left and right waist width and the front and rear waist width may be input to obtain a and b in the second preset formula. The a and the b in the second preset formula may also be obtained by positioning the first target device, the second target device and the third target device, for example, by sending signals to each other, and determining the distances between the first target device, the second target device and the third target device according to the signal strengths, so as to obtain a and b.
As shown in fig. 3, the first target device, the second target device, and the third target device are respectively indicated by a point D, E, F, B indicates the first preset device, the connection line between the first target device and the second target device is an X axis, the connection line between the third target device and the preset point is a Y axis, and the vertical direction is a Z axis, so that a coordinate system may be constructed, and coordinates of the obtained point DEF are respectively: d (-a, 0), E (a, 0), F (0, B, 0), and having |bd|=k, |be|=m, |bf|=n, then the horizontal distance is the distance s from B (x, y, Z) to the Z axis.
From |bd|=k:
(x+a) 2 +y 2 +z 2 ＝k 2 (1)
from |be|=m:
(x-a) 2 +y 2 +z 2 ＝m 2 (2)
from |bf|=n:
x 2 +(y-b) 2 +z 2 ＝n 2 (3)
(1) - (2) obtaining:
(2) - (3) obtaining:
bringing (4) into (5) can obtain:
finally:
since the vibration frequencies generated when the foot is in contact with the ground during running and normal walking are different, in one possible implementation manner, the first preset device may be provided with a vibration detection component, and only when the vibration frequency of the first preset device reaches a certain value, the running step is determined to be running, and the step length detection is performed only when the running is judged to be running, that is, the distance between the first preset device and each target device is obtained, including:
s110, acquiring the vibration frequency of the first preset device;
and S120, when the vibration frequency of the first preset device is higher than a preset threshold value, acquiring the distance between the first preset device and each target device.
When the first preset device is arranged on the foot of the runner, and the vibration frequency of the first preset device is higher than a preset threshold value, the runner is indicated to run, and the distance between the first preset device and each target device is acquired at the moment, for example, the first preset device sends the received intensity value of each target signal to a terminal at the moment.
Referring to fig. 1 again, the running step reminding method provided in the embodiment further includes the steps of:
and S300, sending out prompt information when the horizontal distance is greater than a preset distance.
The preset distance is the preset upper limit value of the running step length, when the horizontal distance is larger than the preset distance, the running step length is too large, at the moment, the terminal sends out prompt information to remind the runner, and the terminal is taken as a mobile phone for example, and can play corresponding voice prompt information or display corresponding text prompt information, pattern prompt information and the like on the mobile phone.
In summary, the present invention provides a running step length reminding method, in which a distance between a first preset device and each target device is obtained through a distance between the first preset device and each target device, each target device includes a first target device and a second target device, the preset point is a midpoint of a connecting line between the first target device and the second target device, so that a user can set the first target device and the second target device on two sides of a waist, the first preset device is set on a foot, a horizontal distance between the first preset device and the preset point is a horizontal distance between the foot of the user and a center of gravity of the user, and when the horizontal distance is greater than the preset distance, a reminding message is sent, and the user can remind the user of an overlong running step length without taking a whole body video, thereby reminding the running step length of the outdoor running user.
It should be understood that, although the steps in the flowcharts shown in the drawings of the present specification are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least a portion of the steps in the flowcharts may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order in which the sub-steps or stages are performed is not necessarily sequential, and may be performed in turn or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by controlling the associated hardware by a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
Example two
Based on the above embodiment, the present invention further provides a running step length reminding device, whose functional module schematic diagram is shown in fig. 4, and the running step length reminding device includes:
the first distance acquisition module is used for acquiring the distance between the first preset device and each target device respectively, and is specifically described in the first embodiment;
the second distance acquisition module is used for acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device, and the second distance acquisition module is specifically as described in the first embodiment;
the prompt module is configured to send out prompt information when the horizontal distance is greater than a preset distance, as in the first embodiment.
Example III
Based on the above embodiment, the present invention also provides a terminal, and a functional block diagram thereof may be shown in fig. 5. The terminal comprises a processor 10 and a memory 20, wherein the memory 20 stores a running step length reminding program which can be run by the processor 10, and the processor 10 can at least realize the following steps when executing the running step length reminding program:
obtaining the distance between the first preset device and each target device respectively;
acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device;
when the horizontal distance is greater than a preset distance, sending out prompt information;
the preset point is the midpoint of a connecting line of the first target device and the second target device.
The obtaining the distance between the first preset device and each target device respectively includes:
after the first preset device receives the target signals, determining the distances between the first preset device and each target device according to the intensity of each target signal received by the first preset device;
wherein each target signal is a signal sent by each target device.
The determining the distance between the first preset device and each target device according to the intensity of each target signal received by the first preset device includes:
determining the distance between the first preset device and each target device according to the preset reference signal intensity and the intensity of each target signal;
the preset reference signal strength is the strength of a signal sent by the target device and received by the first preset device when the distance between the first preset device and the target device is the reference distance.
Wherein the determining the distance between the first preset device and each target device according to the preset reference signal strength and the strength of each target signal includes:
determining the distance between the first preset device and each target device through a first preset formula;
the first preset formula is:
wherein d is a distance between the first preset device and the target device corresponding to the received target signal, RSSI (d) is a strength of the target signal received by the first preset device, RSSI (d 0 ) And for the preset reference signal strength corresponding to the target signal received by the first preset device, N is a preset parameter.
The target device further includes a third target device, and the obtaining, according to the distances between the first preset device and each target device, the horizontal distance between the first preset device and a preset point includes:
determining the horizontal distance according to a second preset formula;
the second preset formula is:
wherein s is the horizontal distance, k, m, n are the distances from the first preset device to the first target device, the second target device and the third target device respectively, a is half of the distance between the first target device and the second target device, and b is the distance from the third target device to the preset point.
The obtaining the distance between the first preset device and each target device respectively includes:
acquiring the vibration frequency of the first preset device;
and when the vibration frequency of the first preset device is higher than a preset threshold value, acquiring the distance between the first preset device and each target device.
Example IV
Based on the above embodiment, the present invention further provides a running step reminding system, which includes: the first preset device, the plurality of target devices, and the terminal provided in the third embodiment;
the terminal is configured to obtain distances between the first preset device and each target device, obtain a horizontal distance between the first preset device and a preset point according to the distances between the first preset device and each target device, and send a prompt message according to the horizontal distance, as in the first embodiment.
Example five
The present invention also provides a computer readable storage medium storing a running step size reminding program, which when executed by a processor, implements the steps of the method of the first embodiment.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A running step size reminding method, comprising:
obtaining the distance between the first preset device and each target device respectively;
acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device;
when the horizontal distance is greater than a preset distance, sending out prompt information;
the preset point is the midpoint of a connecting line of the first target device and the second target device;
the target device further comprises a third target device, the horizontal distance between the first preset device and a preset point is obtained according to the distance between the first preset device and each target device, and the method comprises the following steps:
determining the horizontal distance according to a second preset formula;
the second preset formula is:
wherein s is the horizontal distance, k, m, n are the distances from the first preset device to the first target device, the second target device and the third target device respectively, a is half of the distance between the first target device and the second target device, and b is the distance from the third target device to the preset point.
2. The method according to claim 1, wherein the obtaining the distance between the first preset device and each target device includes:
after the first preset device receives the target signals, determining the distances between the first preset device and each target device according to the intensity of each target signal received by the first preset device;
wherein each target signal is a signal sent by each target device.
3. The method according to claim 2, wherein said determining the distance between the first preset device and each of the target devices according to the strength of each of the target signals received by the first preset device comprises:
determining the distance between the first preset device and each target device according to the preset reference signal intensity and the intensity of each target signal;
the preset reference signal strength is the strength of a signal sent by the target device and received by the first preset device when the distance between the first preset device and the target device is the reference distance.
4. A method according to claim 3, wherein said determining the distance between the first preset device and the respective target device based on the preset reference signal strength and the strength of the respective target signal comprises:
determining the distance between the first preset device and each target device through a first preset formula;
the first preset formula is:
wherein d is a distance between the first preset device and the target device corresponding to the received target signal, RSSI (d) is a strength of the target signal received by the first preset device, RSSI (d 0 ) And for the preset reference signal strength corresponding to the target signal received by the first preset device, N is a preset parameter.
5. The method according to claim 1, wherein the obtaining the distance between the first preset device and each target device includes:
acquiring the vibration frequency of the first preset device;
and when the vibration frequency of the first preset device is higher than a preset threshold value, acquiring the distance between the first preset device and each target device.
6. A running step size reminding device, comprising:
the first distance acquisition module is used for acquiring the distance between the first preset device and each target device;
the second distance acquisition module is used for acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device;
the prompting module is used for sending out prompting information when the horizontal distance is greater than a preset distance;
the preset point is the midpoint of a connecting line of the first target device and the second target device;
the target device further comprises a third target device, the horizontal distance between the first preset device and a preset point is obtained according to the distance between the first preset device and each target device, and the method comprises the following steps:
determining the horizontal distance according to a second preset formula;
the second preset formula is:
wherein s is the horizontal distance, k, m, n are the distances from the first preset device to the first target device, the second target device and the third target device respectively, a is half of the distance between the first target device and the second target device, and b is the distance from the third target device to the preset point.
7. A terminal comprising a memory, a processor and a running step size reminder stored in the memory and executable on the processor, the processor implementing the steps of the method according to any one of claims 1-6 when the running step size reminder is executed.
8. A running step size reminding system, comprising a first preset device, a plurality of target devices and the terminal according to claim 7;
the terminal is used for acquiring the distance between the first preset device and each target device, acquiring the horizontal distance between the first preset device and a preset point according to the distance between the first preset device and each target device, and sending prompt information according to the horizontal distance.
9. A computer readable storage medium, wherein a running step size reminder is stored on the computer readable storage medium, which when executed by a processor, implements the steps of the method according to any one of claims 1-6.
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| CN202110515991.7A CN113204009B (en) | 2021-05-12 | 2021-05-12 | Running step length reminding method, running step length reminding device, terminal and computer readable storage medium |
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| CN113204009B true CN113204009B (en) | 2023-12-22 |
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