CN112716117B - Intelligent bracelet and control method thereof - Google Patents
Intelligent bracelet and control method thereof Download PDFInfo
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- CN112716117B CN112716117B CN202011584652.6A CN202011584652A CN112716117B CN 112716117 B CN112716117 B CN 112716117B CN 202011584652 A CN202011584652 A CN 202011584652A CN 112716117 B CN112716117 B CN 112716117B
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- distance
- projection lens
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/0007—Bracelets specially adapted for other functions or with means for attaching other articles
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B29/00—Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects
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Abstract
The application discloses an intelligent bracelet and a control method thereof, and belongs to the field of wearable equipment. This intelligent bracelet includes: a bracelet; the projection lens is arranged at the first axial end of the bracelet and is used for projecting and displaying the content to be displayed; the distance measuring sensor is arranged at the first axial end of the bracelet and used for detecting the shielding object and acquiring the distance between the shielding object and the distance measuring sensor; the control unit is arranged on the bracelet, is respectively connected with the projection lens and the ranging sensor and is used for adjusting the size of a projection interface projected by the projection lens according to the distance of the shielding object detected by the ranging sensor. The intelligent bracelet projection adjusting method and device solve the problems that in the prior art, projection of an intelligent bracelet can be adjusted only through keys, the intelligent bracelet projection is not intelligent enough, and user experience is poor.
Description
Technical Field
The application belongs to the field of wearable equipment, and particularly relates to an intelligent bracelet and a control method thereof.
Background
The wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also can realize a powerful function through software support, data interaction and cloud interaction, and can bring great transition to our life and perception.
The intelligent bracelet is wearable equipment, has multiple functions, can record real-time data such as exercise, sleep, some diet in daily life, and some intelligent bracelets still possess projection function, but the adjustment of projection interface can only operate through the button, and is intelligent inadequately, user's experience nature is relatively poor.
Disclosure of Invention
The embodiment of the application provides an intelligent bracelet and a control method thereof, which can solve the problems that in the prior art, projection of the intelligent bracelet can be adjusted only through keys, the intelligent bracelet is not intelligent enough and user experience is poor.
In order to solve the technical problems, the application is realized as follows:
in a first aspect, there is provided a smart bracelet comprising:
a bracelet;
the projection lens is arranged at the first axial end of the bracelet and is used for projecting the content to be displayed;
the distance measuring sensor is arranged at the first axial end of the bracelet and used for detecting a shielding object and acquiring the distance between the shielding object and the distance measuring sensor;
the control unit is arranged on the bracelet, is respectively connected with the projection lens and the ranging sensor, and is used for adjusting the size of a projection interface projected by the projection lens according to the distance of the shielding object detected by the ranging sensor.
In a second aspect, a control method of an intelligent bracelet is provided, which is applied to the intelligent bracelet in the first aspect, and the method includes:
under the condition that a ranging sensor detects a shielding object, acquiring the distance between the shielding object and the ranging sensor;
and controlling the size of a projection interface projected by the projection lens according to the distance.
In a third aspect, a control device for an intelligent bracelet is provided, including:
the distance acquisition module is used for acquiring the distance between the shielding object and the ranging sensor under the condition that the ranging sensor detects the shielding object;
and the projection control module is used for controlling the size of a projection interface projected by the projection lens according to the distance.
In a fourth aspect, there is provided an electronic device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction when executed by the processor implementing the steps of the method of controlling a smart bracelet as described in the second direction.
In a fifth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor performs the steps of the method according to the second aspect.
In a sixth aspect, embodiments of the present application provide a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and where the processor is configured to execute a program or instructions to implement a method according to the second aspect.
The embodiment of the application provides an intelligent bracelet, it includes bracelet, projection lens, range finding sensor and control unit, wherein, projection lens sets up in the axial first end of bracelet for carry out projection display with the content of waiting to show, range finding sensor sets up in the axial first end of bracelet, is used for detecting the shelter from the thing and acquires the distance between this shelter from thing and the range finding sensor, control unit sets up in the bracelet, is connected with projection lens and range finding sensor respectively, is used for adjusting the size of the projection interface that projection lens projected according to the distance of shelter from the thing that range finding sensor detected. According to the embodiment of the application, whether the projection lens is started or not is detected through the ranging sensor located at the first axial end of the bracelet, the size of the projection interface can be adjusted at will without keys, interesting operation experience is provided for a user, adjustment of the intelligent bracelet is more intelligent, and user experience can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic structural diagram of a smart band according to one embodiment of the present application;
FIG. 2 is a schematic diagram of the operation of a smart band provided in one embodiment of the present application;
FIG. 3 is another operational schematic of a smart band provided in accordance with one embodiment of the present application;
FIG. 4 is a schematic diagram of yet another operation of the smart band provided by one embodiment of the present application;
FIG. 5 is a flowchart of a method for controlling a smart band according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a control device of a smart band according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
In the figure, a 100-bracelet body; 110-a projection lens; a 111-projection interface; 120-ranging sensors; 130-a display screen; 200-watchband; 300-blinder.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The following describes in detail an intelligent bracelet and a control method thereof provided in the embodiments of the present application through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
As shown in fig. 1, the smart band may include: a wristband, a projection lens 110, a ranging sensor 120, and a control unit.
Specifically, the projection lens 110 is disposed at the first axial end of the bracelet, and is used for performing projection display on the content to be displayed; the ranging sensor 120 is disposed at the first axial end of the bracelet, and is used for detecting the shielding object 300 and obtaining the distance between the shielding object 300 and the ranging sensor 120; the control unit is disposed on the bracelet, and is connected to the projection lens 110 and the ranging sensor 120, respectively, for adjusting the size of the projection interface 111 projected by the projection lens 110 according to the distance of the obstacle 300 detected by the ranging sensor 120.
That is, when the shade 300 shields the distance sensor, the projection lens 110 may be activated, and the size of the projection interface 111 projected by the projection lens 110 may be adjusted by the distance between the shade 300 and the smart band.
The distance measuring sensor 120 may be an infrared sensor, an ultrasonic sensor, a laser sensor, or the like, and is not particularly limited in this embodiment.
In this application, an infrared sensor is taken as an example to describe, and the distance measurement principle of the infrared sensor is as follows.
Firstly, a power supply is connected, a transmitting circuit is started, an infrared signal is transmitted to a target through a transmitting system, meanwhile, a sampler samples the transmitted signal, the transmitted signal is used as a pulse signal for opening a door of a counter, the counter is started, a clock oscillator is used for effectively inputting counting pulses like the counter, infrared echoes reflected by the target act on a photoelectric detector and are converted into electric pulse signals, the electric pulse signals are amplified by an amplifier and enter the counter, the electric pulse signals are used as a door closing signal of the counter, the counter stops counting, the number of clock pulses entering the counter is calculated to obtain the target distance during the period from opening to closing of the door, and a ranging formula is as follows: l=ct/2, where L is the distance to be measured, c is the speed of light, and t is the time required for the round-trip transmission of the light pulse over the distance to be measured.
That is, the distance of the object to be measured can be determined by measuring the time required for the light pulse to travel back and forth from the infrared sensor to the object to be measured. And the principle and the structure of the infrared pulse are simpler, the distance measurement is far, and the power consumption is small. In the embodiment of the present application, the opening and closing of the projection lens 110 and the adjustment of the size of the projection interface 111 projected by the projection lens 110 are performed by calculating the distance between the shielding object 300 and the smart band.
In this application embodiment, provide an intelligent bracelet, including bracelet, projection lens 110, range finding sensor 120 and control unit, wherein, projection lens 110 sets up in the axial first end of bracelet for carry out projection display with the content that waits to show, range finding sensor 120 sets up in the axial first end of bracelet, is used for detecting shelter from thing 300 and acquires the distance between this shelter from thing 300 and the range finding sensor 120, control unit sets up in the bracelet, is connected with projection lens 110 and range finding sensor 120 respectively, is used for adjusting the size of projection interface 111 that projection lens 110 projected according to the distance of shelter from thing 300 that range finding sensor 120 detected. According to the embodiment of the application, whether the projection lens 110 is started or not is detected by the ranging sensor 120 positioned at the first axial end of the bracelet, the size of the projection interface 111 can be adjusted at will without keys, interesting operation experience is provided for a user, adjustment of the intelligent bracelet is more intelligent, and user experience can be improved.
In order to ensure that the measured distance is more accurate, the number of the ranging sensors 120 is at least two, and the at least two ranging sensors 120 are disposed at two sides of the projection lens 110.
That is, the measurement of the obstruction 300 by the plurality of ranging sensors 120 can make the measurement data more accurate, so that the size of the projection interface 111 projected by the projection lens 110 can be adjusted more accurately.
The adoption of at least two ranging sensors 120 not only can enable the measured distance to be more accurate, but also can adjust the size of the projection interface 111 projected by the projection lens 110 only when more than two ranging sensors 120 detect the shielding object 300, so that false triggering can be prevented, and user experience is improved.
As shown in fig. 1, two ranging sensors 120 are adopted in the embodiment of the present application and are respectively disposed on two sides of a projection lens 110, so that a shielding object 300 and a distance of the shielding object 300 can be detected more accurately, and meanwhile, false triggering of a user can be prevented, and user experience is improved.
The shielding object 300 may be a finger, a palm, a pen, a key, etc., and may be determined according to a specific habit of a user during use, and in this embodiment, the finger is described as an example.
As shown in fig. 2-4, the smart band is the process from activating the projection lens 110, to displaying the projection interface 111 to a maximum state, and to closing the projection lens 110.
Specifically, in the initial state, the user places a finger on the side, where the ranging sensor 120 is disposed, of the smart band, and the distance is smaller than the first preset threshold, at this time, the projection lens 110 is activated, as the finger moves to the side away from the smart band, the projection interface 111 projected by the projection lens 110 gradually increases until the distance from the smart band is Lmax, the projection screen interface increases to the maximum, at this time, the user can continue to move the finger or remove the finger, without changing the size of the projection interface 111, and the user can perform the operation of the projection interface 111, when the user does not need to use the projection interface 111, the user can put the projection lens 110 via the finger to the position, where the distance from the smart band is smaller than the first preset threshold.
In this embodiment of the present application, the user may turn on or off the projection lens 110 at any time, and may also adjust the size of the projection interface 111 at will, so as to facilitate the use of the user.
In one possible embodiment of the present application, a bracelet may comprise: bracelet body 100 and wristband 200.
Specifically, the projection lens 110, the ranging sensor 120 and the control unit are all disposed on the bracelet body 100; the wristband 200 is connected with the wristband body 100, and the wristband body 100 and the wristband 200 together form a wearing hole for a user to wear.
In this embodiment of the application, the mode of adopting bracelet body 100 and watchband 200 separation sets up, and the user can adjust watchband 200 size to form the wearing hole of equidimension not, convenience of customers dresses.
In one possible embodiment of the present application, the smart band may further include: and a display 130.
Specifically, the display screen 130 is disposed on a side of the bracelet body 100 facing away from the wearing hole, and the display screen 130 is used for displaying the content to be displayed.
That is, when the projected interface 111 is not used or is inconvenient to operate the smart band, the viewing and operation of the smart band can be performed through the display screen 130.
The embodiment of the application also provides a control method of the intelligent bracelet, and the method is applied to any intelligent bracelet. As shown in fig. 5, the control method may include steps shown in step S501 to step S502.
In step S501, in the case where the ranging sensor detects an obstruction, the distance from the obstruction to the ranging sensor is acquired.
In step S502, the size of the projection interface projected by the projection lens is controlled according to the distance.
In the embodiment of the application, under the condition that the ranging sensor detects the shielding object, the distance between the shielding object and the ranging sensor is acquired, and then the size of a projection interface projected by the projection lens is controlled according to the distance. According to the embodiment of the application, whether the projection lens is started or not is detected through the ranging sensor positioned on the side edge of the bracelet body, the size of the projection interface can be adjusted at will without keys, interesting operation experience is provided for a user, and the adjustment of the intelligent bracelet is more intelligent.
In one possible embodiment of the present application, the control method of the smart band may further include the following steps after acquiring the distance between the obstacle and the ranging sensor.
Judging whether the distance is smaller than a first preset threshold value or not; and under the condition that the distance is smaller than a first preset threshold value, starting the projection lens.
That is, the ranging sensor can measure whether there is a shielding object in real time or at intervals, when detecting that there is a shielding object, the ranging sensor detects the distance from the shielding object to the ranging sensor, if the distance is smaller than a first preset threshold, the projection lens is required to be started, and at the moment, the projection lens is started so as to be convenient for a user to use. The projection lens can be opened by shielding the ranging sensor through the shielding object, and keys are not needed, so that the user can use the projection lens more interesting, and the user experience is enhanced.
In one possible implementation manner of the present application, after determining that the distance is smaller than the first preset threshold, the control method of the smart band may further include the following steps.
Judging the duration time that the distance is smaller than a first preset threshold value; and starting the projection lens under the condition that the duration exceeds a second preset threshold.
That is, on the basis of the above embodiment, the projection lens may be turned on by detecting the duration that the distance from the shielding object to the ranging sensor is smaller than the first preset threshold, and if the duration exceeds the second preset threshold, the user may be prevented from false triggering of the projection lens.
In one possible embodiment of the present application, controlling the size of the projection interface projected by the projection lens according to the distance may include the following steps.
Increasing the size of a projection interface projected by the projection lens under the condition that the increase of the distance is detected; and controlling the size of the projection interface to reach the maximum value under the condition that the distance reaches the third preset threshold value.
That is, under the condition that the projection lens is turned on, if the distance between the shielding object and the ranging sensor is detected to be more and more distant, the user is indicated to want to adjust the size of the projection interface, the size of the projection interface can be increased along with the increase of the distance between the shielding object and the ranging sensor, and correspondingly, the size of the projection interface can be reduced along with the decrease of the distance between the shielding object and the ranging sensor, but when the distance is detected to reach or exceed a third preset threshold, the user is indicated to need to adjust the projection interface to be maximum, and at the moment, the projection interface can be controlled to reach the maximum value. The adjustment of the projection interface is controlled by shielding the distance between the object and the ranging sensor, so that the adjustment is more convenient and more random, and the user experience is improved.
In one possible implementation manner of the present application, after the projection interface is controlled to reach the maximum value, the control method of the smart band may further include the following steps.
And closing the projection lens under the condition that the distance is detected to be smaller than a first preset threshold value.
That is, after the projection interface increases to the maximum value, if the user does not need the projection interface, and wants to close the projection interface, the shielding object can be placed at a position where the distance from the ranging sensor is smaller than the first preset threshold value, and the projection lens can be closed after the ranging sensor detects the shielding object. The projection lens can be closed only by shielding the ranging sensor in the book, so that the closing operation is more convenient.
In one possible embodiment of the present application, after detecting that the distance is smaller than the first preset threshold, the control method of the smart band may further include the following steps.
Judging the duration time that the distance is smaller than a first preset threshold value; and closing the projection lens when the duration exceeds a second preset threshold.
That is, in order to prevent the user from misoperation, a second preset threshold value may be set as a condition for closing the projection lens, and only if the duration time exceeds the second preset threshold value, the projection lens may be closed, so that the misoperation of the user can be prevented, and the user experience is increased.
In one possible embodiment of the present application, the number of the ranging sensors is at least two, and the at least two ranging sensors are disposed at two sides of the projection lens.
In case the ranging sensor detects an obstruction, acquiring the distance of the obstruction to the ranging sensor may comprise the following steps.
And under the condition that the at least two ranging sensors detect the shielding object and the difference value between the maximum distance and the minimum distance is not larger than a fourth preset threshold value, acquiring the average distance from the shielding object to the at least two ranging sensors.
That is, can detect the shelter from the thing through a plurality of range finding sensors, all detect the shelter from the thing when two at least range finding sensors to the difference between the maximum value and the minimum value of the distance that two at least range finding sensors detected is less than or equal to fourth default threshold, and the value that the explanation detected is effective, can avoid the condition that the user triggered by mistake to take place, promotes user experience.
The embodiment of the application also provides a control device of the smart band, as shown in fig. 6, the control device may include: a distance acquisition module 601 and a projection control module 602.
Specifically, the distance acquiring module 601 is configured to acquire, when the ranging sensor detects the obstruction, a distance from the obstruction to the ranging sensor; the projection control module 602 is configured to control a size of a projection interface projected by the projection lens according to the distance.
In this embodiment of the present application, when the ranging sensor detects the obstacle, the distance acquiring module 601 acquires the distance between the obstacle and the ranging sensor, and then the projection control module 602 controls the size of the projection interface projected by the projection lens according to the distance. According to the embodiment of the application, whether the projection lens is started or not is detected through the ranging sensor positioned on the side edge of the bracelet body, the size of the projection interface can be adjusted at will without keys, interesting operation experience is provided for a user, and the adjustment of the intelligent bracelet is more intelligent.
In one possible embodiment of the present application, the control device may further include: the device comprises a first judging module and a first starting module.
Specifically, the first judging module is configured to judge whether the distance is smaller than a first preset threshold; the first starting module is used for starting the projection lens under the condition that the distance is smaller than a first preset threshold value.
In one possible embodiment of the present application, the control device may further include: the device comprises a second judging module and a second starting module.
Specifically, the second judging module is used for judging duration time that the distance is smaller than a first preset threshold value; the second starting module is used for starting the projection lens under the condition that the duration exceeds a second preset threshold.
In one possible embodiment of the present application, the projection control module 602 may be configured to: increasing the size of a projection interface projected by the projection lens under the condition that the increase of the distance is detected; and controlling the size of the projection interface to reach the maximum value under the condition that the distance reaches the third preset threshold value.
In one possible implementation of the present application, the projection control module 602 may also be configured to: and closing the projection lens under the condition that the distance is detected to be smaller than a first preset threshold value.
In one possible implementation of the present application, the projection control module 602 may also be configured to: judging the duration time that the distance is smaller than a first preset threshold value; and closing the projection lens when the duration exceeds a second preset threshold.
In one possible embodiment of the present application, the number of the ranging sensors is at least two, and at least two ranging sensors are disposed on two sides of the projection lens, and the distance obtaining module 601 may be configured to: and under the condition that the at least two ranging sensors detect the shielding object and the difference value between the maximum distance and the minimum distance is not larger than a fourth preset threshold value, acquiring the average distance from the shielding object to the at least two ranging sensors.
The control device for the smart band provided in the embodiment of the present application can implement each process implemented by the method embodiment of fig. 5, and in order to avoid repetition, a detailed description is omitted here.
Optionally, as shown in fig. 7, the embodiment of the present application further provides an electronic device 700, where the electronic device includes a processor 701, a memory 702, and a program or an instruction stored in the memory 702 and capable of running on the processor 701, where the program or the instruction implements each process of the above-mentioned embodiment of the control method of the smart band when executed by the processor 701, and the process can achieve the same technical effects, so that repetition is avoided and redundant description is omitted herein.
The embodiment of the application further provides a readable storage medium, on which a program or an instruction is stored, where the program or the instruction realizes each process of the above-mentioned control method embodiment of the smart band when executed by a processor, and the same technical effects can be achieved, so that repetition is avoided, and no detailed description is given here.
Wherein the processor is a processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, the processor is used for running a program or an instruction, implementing each process of the control method embodiment of the smart band, and achieving the same technical effect, so as to avoid repetition, and no redundant description is provided herein.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), including several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (12)
1. An intelligent bracelet, characterized by comprising:
a bracelet;
the projection lens is arranged at the first axial end of the bracelet and is used for projecting the content to be displayed onto an arm for projection display;
the distance measuring sensor is arranged at the first axial end of the bracelet and used for detecting a shielding object and acquiring the distance between the shielding object and the distance measuring sensor;
the control unit is arranged on the bracelet, is respectively connected with the projection lens and the ranging sensor, and is used for adjusting the size of a projection interface projected by the projection lens according to the change of the distance between the shielding object and the ranging sensor, which is detected by the ranging sensor;
the distance between the shielding object and the ranging sensor is increased, the size of the projection interface projected on the arm is increased, the distance between the shielding object and the ranging sensor is reduced, and the size of the projection interface projected on the arm is reduced.
2. The smart band of claim 1, wherein the number of ranging sensors is at least two, and at least two ranging sensors are disposed on two sides of the projection lens.
3. The smart bracelet of claim 2, wherein the ranging sensor comprises: one of an infrared sensor, an ultrasonic sensor, or a laser sensor.
4. The smart bracelet of claim 1, wherein the bracelet comprises:
the projection lens, the ranging sensor and the control unit are arranged on the bracelet body;
the watchband, the watchband with the bracelet body links to each other, just the bracelet body with the watchband forms the wearing hole that is used for the user to dress jointly.
5. The smart band of claim 4, further comprising: the display screen is arranged on one side, deviating from the wearing hole, of the bracelet body and is used for displaying contents to be displayed.
6. A control method of an intelligent bracelet, applied to the intelligent bracelet according to any one of claims 1 to 5, characterized in that the method comprises:
under the condition that a ranging sensor detects a shielding object, acquiring the distance between the shielding object and the ranging sensor;
according to the distance, the projection lens is activated or closed, and the size of a projection interface projected by the projection lens is controlled;
and moving the shielding object to adjust the size of the projection interface.
7. The method of claim 6, wherein activating or deactivating the projection lens based on the distance comprises:
judging whether the distance is smaller than a first preset threshold value or not;
and under the condition that the distance is smaller than the first preset threshold value, starting the projection lens.
8. The method of claim 7, wherein activating or deactivating the projection lens based on the distance comprises:
judging the duration time that the distance is smaller than the first preset threshold value;
and opening the projection lens under the condition that the duration exceeds a second preset threshold.
9. The method of claim 6, wherein controlling the size of the projection interface projected by the projection lens according to the distance comprises:
increasing the size of a projection interface projected by the projection lens under the condition that the increase of the distance is detected;
and controlling the size of the projection interface to reach the maximum value under the condition that the distance reaches a third preset threshold value.
10. The method of claim 9, wherein after controlling the projection interface to a maximum value, the method further comprises:
and closing the projection lens under the condition that the distance is detected to be smaller than a first preset threshold value.
11. The method of claim 10, wherein after the detecting that the distance is less than a first preset threshold, the method further comprises:
judging the duration time that the distance is smaller than the first preset threshold value;
and closing the projection lens under the condition that the duration exceeds a second preset threshold.
12. The method of claim 6, wherein the number of the ranging sensors is at least two, at least two ranging sensors are disposed at both sides of the projection lens,
under the condition that the ranging sensor detects the shielding object, acquiring the distance from the shielding object to the ranging sensor comprises the following steps:
and under the condition that the at least two ranging sensors detect the shielding object and the difference value between the maximum distance and the minimum distance is not larger than a fourth preset threshold value, acquiring the average distance from the shielding object to the at least two ranging sensors.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584652.6A CN112716117B (en) | 2020-12-28 | 2020-12-28 | Intelligent bracelet and control method thereof |
| PCT/CN2021/140755 WO2022143384A1 (en) | 2020-12-28 | 2021-12-23 | Smart wristband and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584652.6A CN112716117B (en) | 2020-12-28 | 2020-12-28 | Intelligent bracelet and control method thereof |
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| CN112716117B (en) * | 2020-12-28 | 2023-07-14 | 维沃移动通信有限公司 | Intelligent bracelet and control method thereof |
| CN113709434B (en) * | 2021-08-31 | 2024-06-28 | 维沃移动通信有限公司 | Projection bracelet and projection control method and device thereof |
| CN115798064A (en) * | 2022-10-24 | 2023-03-14 | 中电科普天科技股份有限公司 | Telescopic component control method, device and medium of self-service payment equipment |
| CN115751593A (en) * | 2022-11-28 | 2023-03-07 | 青岛海尔空调器有限总公司 | Interconnection control method and device for air conditioner and projection equipment and air conditioner |
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| CN112716117A (en) | 2021-04-30 |
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