CN109827099A - Flashlight, flashlight focus adjustment method and device - Google Patents
Flashlight, flashlight focus adjustment method and device Download PDFInfo
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- CN109827099A CN109827099A CN201910156993.4A CN201910156993A CN109827099A CN 109827099 A CN109827099 A CN 109827099A CN 201910156993 A CN201910156993 A CN 201910156993A CN 109827099 A CN109827099 A CN 109827099A
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- flashlight
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Abstract
The disclosure is directed to a kind of flashlight, flashlight focus adjustment method and devices.The flashlight, including direction sensor, range sensor, driving assembly and the controller that is connect with direction sensor, range sensor and driving assembly respectively；Direction sensor, for detecting the light direction of flashlight；Range sensor detects the first distance between the target object on flashlight and light direction for the light direction according to flashlight；Controller, for controlling the second distance between the lamp bead of driving assembly adjustment flashlight and the focusing lens of flashlight according to the first distance between flashlight and target object.In the technical solution, second distance between the adjustable lamp bead of flashlight and focusing lens, and then the size of emergent light spot is adjusted, the scheme of flashlight automatic focusing is realized, the efficiency and reliability of flashlight focusing is improved, and then improves user experience.
Description
Technical field
This disclosure relates to terminal control technical field more particularly to a kind of flashlight, flashlight focus adjustment method and device.
Background technique
Flashlight is many kinds of in the prior art, Various Functions, wherein there is a kind of focusing type flashlight, it can according to
The use at family needs to adjust the aggregation extent of the light beam of photoelectricity cylinder sending, and this focusing type flashlight is with extensive.
In the related technology, the light-emitting window of focusing type flashlight is provided with lens group and focusing ring.In use, hand can be passed through
The position of the dynamic lamp bead for rotating focusing ring adjustment flashlight, and then change the lamp bead the distance between to the lens group, to reach
To the effect for the lamp bead focal length for adjusting the flashlight.
But since focussing process needs are operated manually, focus operations are more inconvenient, and user experience is not
It is good.
Summary of the invention
To overcome the problems, such as that focus operations present in the relevant technologies need to manually complete, the embodiment of the present disclosure provides one kind
Flashlight, flashlight focus adjustment method and device.The technical solution is as follows:
According to the first aspect of the embodiments of the present disclosure, a kind of flashlight is provided, including direction sensor, range sensor,
Driving assembly and the controller being connect respectively with the direction sensor, the range sensor and the driving component；
The direction sensor, for detecting the light direction of the flashlight；
The range sensor detects the flashlight and the light out for the light direction according to the flashlight
The first distance between target object on direction；
The controller, for controlling the drive according to the first distance between the flashlight and the target object
Dynamic component adjusts the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight, and the focusing lens is set
The light-emitting window in the flashlight is set, for converging the light of the lamp bead transmitting.
The technical scheme provided by this disclosed embodiment can include the following benefits: the controller of flashlight can lead to
The distance between the target object observed with user's needs that range sensor detects is crossed to focus to control driving assembly,
Second distance i.e. between control driving assembly adjustment lamp bead and focusing lens, and then the size of emergent light spot is adjusted, it realizes
The scheme of flashlight automatic focusing, improves the efficiency and reliability of flashlight focusing, and then improves user experience.
In one embodiment, the controller is also used to according to first between the flashlight and the target object
Distance controls the brightness of the lamp bead of the flashlight.
According to the second aspect of an embodiment of the present disclosure, a kind of flashlight focus adjustment method is provided, it is any to be applied to first aspect
Flashlight described in embodiment, the flashlight focus adjustment method include:
Obtain the light direction of the flashlight；
According to the light direction of the flashlight, obtain between the target object on the flashlight and the light direction
First distance；
According to the first distance between the flashlight and the target object, adjust the lamp bead of the flashlight with it is described
Second distance between the focusing lens of flashlight, the light-emitting window of the flashlight is arranged in the focusing lens, for converging
The light of the lamp bead transmitting.
The technical scheme provided by this disclosed embodiment can include the following benefits: flashlight can by with user
The distance between target object for needing to observe is focused, i.e. second distance between adjustment lamp bead and focusing lens, in turn
The size for adjusting emergent light spot, realizes the scheme of flashlight automatic focusing, improves the efficiency and reliability of flashlight focusing,
And then improve user experience.
In one embodiment, the light direction according to the flashlight obtains the flashlight and the light out
The first distance between target object on direction includes:
Light direction along the flashlight emits range laser；
Receive the reflection range laser after the target object reflection on the light direction；
According to the receiving time of the launch time of the range laser and the reflection range laser, the flashlight is obtained
With the first distance between the target object.
In one embodiment, the method also includes:
If detecting, the light direction of the flashlight changes, and does not receive in the preset time period after change described
Range laser is reflected, help-asking mode is opened, the help-asking mode is described in the flashlight is opened and closed according to predeterminated frequency
The lamp bead of flashlight.
In one embodiment, the method also includes:
When first distance between the flashlight and the target object is less than or equal to pre-determined distance threshold value, record
The duration of the first distance is maintained between the flashlight and the target object；
If the duration is greater than or equal to preset time threshold, out code is executed.
In one embodiment, the first distance according between the flashlight and the target object adjusts institute
The second distance stated between the lamp bead of flashlight and the focusing lens of the flashlight includes:
When obtaining the second distance between the last lamp bead for adjusting the flashlight and the focusing lens of the flashlight,
First distance between the flashlight and the target object of last time；
Determine the first distance and the flashlight and current goal between the flashlight and the target object of last time
Whether the difference of the first distance between object is greater than or equal to pre-determined distance threshold value；
If first distance and the flashlight and current goal object between the flashlight and the target object of last time
The difference of first distance between body is greater than or equal to the pre-determined distance threshold value, according to the flashlight and the target object
Between first distance, adjust the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight.
In one embodiment, the method also includes:
If first distance and the flashlight and current goal object between the flashlight and the target object of last time
The difference of first distance between body is less than the pre-determined distance threshold value, obtains the last lamp bead for adjusting the flashlight and institute
State the time difference between the time and current time of the second distance between the focusing lens of flashlight；
If the time difference is greater than or equal to preset time threshold, according between the flashlight and the target object
First distance adjusts the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight.
In one embodiment, the method also includes:
According to the first distance between the flashlight and the target object, the bright of the lamp bead of the flashlight is adjusted
Degree.
According to the third aspect of an embodiment of the present disclosure, a kind of flashlight focus control is provided, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
Obtain the light direction of the flashlight；
According to the light direction of the flashlight, obtain between the target object on the flashlight and the light direction
First distance；
According to the first distance between the flashlight and the target object, adjust the lamp bead of the flashlight with it is described
Second distance between the focusing lens of flashlight, the light-emitting window of the flashlight is arranged in the focusing lens, for converging
The light of the lamp bead transmitting.
According to a fourth aspect of embodiments of the present disclosure, a kind of computer readable storage medium is provided, calculating is stored thereon with
Machine instruction, when which is executed by processor the step of realization second aspect any embodiment the method.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the structural schematic diagram of flashlight shown according to an exemplary embodiment.
Fig. 2 a is the flow chart of flashlight focus adjustment method shown according to an exemplary embodiment.
Fig. 2 b is the flow chart of flashlight focus adjustment method shown according to an exemplary embodiment.
Fig. 2 c is the flow chart of flashlight focus adjustment method shown according to an exemplary embodiment.
Fig. 2 d is the flow chart of flashlight focus adjustment method shown according to an exemplary embodiment.
Fig. 3 a is the structural schematic diagram according to the flashlight focus control shown in an exemplary embodiment one.
Fig. 3 b is the structural schematic diagram according to the flashlight focus control shown in an exemplary embodiment one.
Fig. 3 c is the structural schematic diagram according to the flashlight focus control shown in an exemplary embodiment one.
Fig. 3 d is the structural schematic diagram according to the flashlight focus control shown in an exemplary embodiment one.
Fig. 3 e is the structural schematic diagram according to the flashlight focus control shown in an exemplary embodiment one.
Fig. 3 f is the structural schematic diagram according to the flashlight focus control shown in an exemplary embodiment one.
Fig. 3 g is the structural schematic diagram according to the flashlight focus control shown in an exemplary embodiment one.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The embodiment of the present disclosure provides a kind of flashlight 10, as shown in Figure 1, including direction sensor 101, range sensor
102, driving assembly 103 and the controller being connect respectively with direction sensor 101, range sensor 102 and driving assembly 103
104。
Wherein, direction sensor 101, for detecting the light direction of flashlight 10.
Range sensor 102 detects the mesh on flashlight 10 and light direction for the light direction according to flashlight 10
Mark the first distance between object.
Controller 104, for controlling driving assembly 103 and adjusting according to the first distance between flashlight 10 and target object
Second distance between the lamp bead 105 of whole flashlight 10 and the focusing lens 106 of flashlight 10, the focusing lens 106 setting exist
The light-emitting window of flashlight 10, for converging the light of lamp bead transmitting.
Exemplary, direction sensor 101 can be gravity sensor, be provided with normal gravity block in the gravity sensor
And piezo-electric crystal, the normal gravity block are arranged above piezo-electric crystal.The light direction of flashlight is different, which exists
Be applied to that power on the piezo-electric crystal is different under gravity, thus the piezo-electric crystal can according to the size of the power being applied and
Direction determines the light direction of flashlight and the angle of horizontal direction, and using the light direction of angle label flashlight.
The range sensor 102 includes laser emitter, laser pickoff, timer and processor.It is sensed in the direction
After device 101 determines the light direction of flashlight, the range sensor 102 can by the direction of the launch of the laser emitter,
And the receiving direction of the laser pickoff is adjusted to identical as the light direction of the flashlight, then indicates the Laser emission
Device emits range laser, and indicates that timer starts timing.The range laser is propagated along the light direction of the flashlight, is being encountered
After user's target object being located on the light direction to be observed, by the reflection of the target object, reflection ranging is formed
Laser.The reflection range laser is propagated along the opposite direction of the light direction of the flashlight, when propagating near flashlight, by laser
Receiver receives, and after determining that the laser pickoff receives reflection range laser, instruction timer stops timing.Due to swashing
The aerial spread speed c of light is it is known that then processor can be aerial according to the time t and laser of the timer record
Spread speed c calculates the first distance h1 between the target object on flashlight 10 and light direction.Specifically, should
The driving assembly 103 is arranged on the pedestal of lamp bead 105, can change the lamp bead 105 in flashlight 10 and go out light side
The light-emitting window of flashlight 10 is arranged in upward position, focusing lens 106, for converging the light of the transmitting of lamp bead 105.It is obtaining
To after the first distance h1 between flashlight and target object, controller 104 can obtain according to first distance h1 and should
Then the corresponding reference distance of first distance h1 drives the driving assembly 103 according to the reference distance, so that the driving assembly
103 change position of the lamp bead 105 on 10 light direction of flashlight, until will be between the lamp bead 105 and focusing lens 106
Second distance h2 is adjusted to the reference distance.Specifically, first distance and reference distance can be arranged in the flashlight in advance
Corresponding relationship, which describes that the first distance is bigger, and corresponding reference distance is bigger, according to the reference distance tune
The hot spot of flashlight is smaller after whole second distance；First distance is smaller, and corresponding reference distance is smaller, according to the reference distance
The hot spot of flashlight is bigger after adjustment second distance.Get the first distance h1 between flashlight and target object it
Afterwards, controller 104 can inquire the corresponding relationship according to first distance h1 first, obtain ginseng corresponding with first distance h1
Distance is examined, then indicates that the driving assembly 103 changes position of the lamp bead 105 on 10 light direction of flashlight, until should
Second distance h2 between lamp bead 105 and focusing lens 106 is adjusted to the reference distance.
In the technical scheme provided by this disclosed embodiment, the controller 104 of flashlight 10 can pass through range sensor
102 the distance between the target objects observed with user's needs detected are focused to control driving assembly 103, that is, are controlled
Driving assembly 103 adjusts the second distance between lamp bead 105 and focusing lens 106, and then adjusts the size of emergent light spot, realizes
The scheme of 10 automatic focusing of flashlight, improves the efficiency and reliability of the focusing of flashlight 10, and then improves user experience.
In one embodiment, controller 104 is also used to according to the first distance between flashlight 10 and target object, control
The brightness of the lamp bead 105 of flashlight 10 processed.
It is exemplary, the corresponding relationship of first distance and reference brightness can be set in the flashlight in advance, which closes
System describes that the first distance is bigger, and corresponding reference brightness is bigger；First distance is smaller, and corresponding reference brightness is smaller.?
After getting the first distance h1 between flashlight and target object, controller 104 can be first according to first distance h1
The corresponding relationship is inquired, reference brightness corresponding with first distance h1 is obtained, then adjusts the brightness of the lamp bead 105, that is, adjust
The voltage of whole 105 two sides of lamp bead or the electric current of the lamp bead 105, until being this with reference to bright by the brightness adjustment of the lamp bead 105
Degree.
Or in practical application, the corresponding relationship of first distance and reference voltage can be preset in flashlight, this is right
Answer the relationship description first distance bigger, corresponding reference voltage is bigger；First distance is smaller, and corresponding reference voltage is got over
It is small.After getting the first distance h1 between flashlight and target object, controller 104 can first according to this first away from
The corresponding relationship is inquired from h1, reference voltage corresponding with first distance h1 is obtained, then adjusts the electricity of 105 two sides of lamp bead
Pressure, until adjusting the two sides voltage of the lamp bead 105 to reference voltage, the brightness of the lamp bead 105 at this time meets user and observes need
It wants.Likewise, flashlight 10 can also preset the corresponding relationship of first distance and reference current, which is described
The first distance is bigger, and corresponding reference current is bigger；First distance is smaller, and corresponding reference current is smaller.It is in one's hands obtaining
After first distance h1 between torch and target object, it is right that controller 104 can inquire this according to first distance h1 first
It should be related to, obtain corresponding with first distance h1 reference current, then adjustment power supply is exported to the electric current of the lamp bead 105, directly
Electric current extremely by output to the lamp bead 105 is adjusted to reference current, and the brightness of the lamp bead 105 at this time meets user and observes needs.
In the technical scheme provided by this disclosed embodiment, the controller 104 of flashlight 10 can also pass through Distance-sensing
What device 102 detected needs the distance between target object observed with user to control the brightness for changing lamp bead, and then adjusts
The bright of emergent light spot secretly improves the efficiency of user's observed object object after the focusing of flashlight 10, and then improves user
Experience.
Fig. 2 a is a kind of flow chart of flashlight focus adjustment method shown according to an exemplary embodiment, is applied to above-mentioned
The flashlight 10 of one embodiment of anticipating, as shown in Figure 2 a, the flashlight focus adjustment method include the following steps 201 to step 203:
In step 201, the light direction of flashlight is obtained.
Exemplary, which can be set gravity sensor, be provided in the gravity sensor normal gravity block and
Piezo-electric crystal, the normal gravity block are arranged above piezo-electric crystal.The light direction of flashlight is different, and the normal gravity block is in weight
It is applied to that power on the piezo-electric crystal is different under power effect, therefore the piezo-electric crystal can size according to the power being applied and side
To determining the light direction of flashlight and the angle of horizontal direction, and using the light direction of angle label flashlight.
In practical application, flashlight can obtain light direction in real time, can also be in the light direction for detecting flashlight
When changing, i.e., when the size of power that is applied of piezo-electric crystal or direction change, the light direction after obtaining variation, this public affairs
It opens embodiment and this is not construed as limiting.
In step 202, it according to the light direction of flashlight, obtains between the target object on flashlight and light direction
First distance.
Exemplary, which can emit range laser along the light direction after determining light direction, then connect
The reflection range laser after the target object reflection on the light direction is received, and then when according to the transmitting of the range laser
Between receiving time with the reflection range laser, obtain the first distance between flashlight and the target object.
Specifically, the flashlight is provided with range sensor, which includes laser emitter, laser pick-off
Device, timer and processor.After determining the light direction of flashlight, which can be by the laser emitter
The direction of the launch and the receiving direction of the laser pickoff adjust to identical as the light direction of the flashlight, then refer to
Show the laser transmitter projects range laser, and indicates that timer starts timing.The range laser goes out light side along the flashlight
To propagation, after encountering user's target object being located on the light direction to be observed, by the reflection of the target object,
Form reflection range laser.The reflection range laser is propagated along the opposite direction of the light direction of the flashlight, propagates to flashlight
It when neighbouring, is received by laser pickoff, after determining that the laser pickoff receives reflection range laser, instruction timer stops
Only timing.Due to the aerial spread speed c of laser it is known that then processor can according to the time t of the timer record with
And the aerial spread speed c of laser calculates the first distance h1 between the target object on flashlight 10 and light direction.
Specifically, should
In step 203, according to the first distance between flashlight and target object, the lamp bead and flashlight of flashlight are adjusted
Second distance between the focusing lens of cylinder.
Exemplary, which is provided with driving assembly, which is arranged on the pedestal of lamp bead, can change this
The light-emitting window of flashlight is arranged in position of the lamp bead on flashlight light direction, the focusing lens, for converging lamp bead transmitting
Light.After getting the first distance between target object, flashlight can obtain according to the first distance and should
The corresponding reference distance of first distance, then drives the driving assembly according to the reference distance, is somebody's turn to do so that the driving assembly changes
Position of the lamp bead on flashlight light direction, until the second distance between the lamp bead and focusing lens is adjusted to the reference
Distance.
Specifically, the corresponding relationship of first distance and reference distance can be arranged in the flashlight in advance, which is closed
System describes that the first distance is bigger, and corresponding reference distance is bigger, adjusts flashlight after second distance according to the reference distance
The hot spot of cylinder is smaller；First distance is smaller, and corresponding reference distance is smaller, according to the defensive position of reference distance adjustment second distance
The hot spot of torch is bigger.After getting the first distance between target object, flashlight can first according to this first
The Distance query corresponding relationship obtains reference distance corresponding with the first distance, then indicates that the driving assembly changes the lamp
Position of the pearl on flashlight light direction, until by the second distance between the lamp bead and focusing lens be adjusted to the reference away from
From.
It is exemplary, user may during traveling observed object object, at this moment the hot spot of the flashlight may one
Straight to shake, i.e. the light direction of flashlight changes always, if each light direction, which changes, carries out lamp bead and focusing
The adjustment of second distance between lens may result in the waste of the electric energy of flashlight, therefore flashlight is detecting out light
When direction changes, the first distance between the target object on flashlight and current light direction can be obtained first,
When then obtaining the second distance between the lamp bead of last adjustment flashlight and the focusing lens of flashlight, the flashlight with it is upper
First distance between primary target object, and determine first distance and hand between flashlight and the target object of last time
Whether the difference of the first distance between torch and current goal object is greater than or equal to pre-determined distance threshold value.If flashlight with it is upper
The difference of first distance between first distance and flashlight between primary target object and current goal object be greater than or
Equal to pre-determined distance threshold value, then according to the first distance between flashlight and target object, the lamp bead and flashlight of flashlight are adjusted
Second distance between the focusing lens of cylinder.If flashlight and last time target object between first distance and flashlight with
The difference of first distance between current goal object is less than pre-determined distance threshold value, then flashlight maintains current state constant.
Specifically, flashlight is after being initially powered up, according to the light direction after booting, obtain on the light direction
Then first distance between target object adjusts the second distance between lamp bead and focusing lens according to the first distance, together
Corresponding first distance when this adjustment second distance of Shi Jilu.In use, flashlight can obtain out light in real time
Direction, and determine whether the light direction after the light direction obtained in real time and booting is identical.If light direction changes,
The first distance between the target object on light direction after flashlight acquisition and change, then determines the first of this acquisition
Whether the difference between distance and the first distance recorded before is greater than or equal to pre-determined distance threshold value.If the first of this acquisition
The difference of distance and the first distance recorded before is greater than or equal to the pre-determined distance threshold value, then can be obtained according to this
Second distance between one distance adjustment lamp bead and focusing lens, while the first distance of record is updated to the of this acquisition
One distance.And so on, flashlight can continue to obtain on flashlight and light direction when determining that light direction changes
Target object between first distance, and determine the difference between the first distance and the first distance of record whether be greater than or
Equal to pre-determined distance threshold value, and then determined whether to adjust the second distance between lamp bead and focusing lens according to comparison result.If
The difference of this first distance obtained and the first distance recorded before is less than the pre-determined distance threshold value, illustrates that user may be only
It is only to have shaken flashlight on the way advancing, the target object observed is needed not change, then flashlight can be with
It keeps the current status unchanged, avoids the waste of electric energy caused by frequently adjusting the second distance between lamp bead and focusing lens, mention
The high stand-by time of flashlight.
It is exemplary, user use flashlight during, there may be although this obtain first distance with
The difference of the first distance recorded before is less than the pre-determined distance threshold value, but user needs further to observe this acquisition really
First distance corresponding target object the case where, if flashlight does not adjust second between lamp bead and focusing lens at this time
Distance, then may result in user can not effectively observe the corresponding target object of first distance of this acquisition, and user experience is not
It is good.Therefore in the determining first distance between upper primary target object and the first distance between current goal object
When difference is less than pre-determined distance threshold value, the lamp bead of the available last adjustment flashlight of flashlight and the focusing lens of flashlight
Between second distance time and current time between time difference, it is default then to determine whether the time difference is greater than or equal to
Time threshold.If the time difference be greater than or equal to preset time threshold, according to first between flashlight and target object away from
From adjusting the second distance between the lamp bead of flashlight and the focusing lens of flashlight.If the time difference is less than preset time threshold
Value, then flashlight is kept the current status unchanged.
Specifically, flashlight is after being initially powered up, according to the light direction after booting, obtain on the light direction
Then first distance between target object adjusts the second distance between lamp bead and focusing lens according to the first distance, together
The adjustment time and the corresponding first distance of this adjustment second distance of Shi Jilu.In use, flashlight can be real
When obtain light direction, and determine whether the light direction after the light direction obtained in real time and booting identical.If light direction
It changes, then then the first distance between the target object on light direction after flashlight obtains and changes determines this
Whether the difference between the first distance of secondary acquisition and the first distance recorded before is greater than or equal to pre-determined distance threshold value.If this
The first distance of secondary acquisition and the difference of the first distance recorded before are less than the pre-determined distance threshold value, then record between acquisition
The time difference of time and current time, and determine whether the time difference is greater than or equal to preset time threshold.If the time difference is big
In or equal to preset time threshold, then illustrate that user's indication electric torch maintains the light direction long period after changing, it may be possible to
User's observed object changes, therefore flashlight can adjust flashlight according to the first distance between target object
Second distance between lamp bead and the focusing lens of flashlight.If the time difference is less than preset time threshold, illustrate that user may
Only having shaken flashlight on the way in traveling just causes light direction to change, and flashlight can be kept current at this time
State is constant, avoids the waste of electric energy caused by frequently adjusting the second distance between lamp bead and focusing lens, improves flashlight
The stand-by time of cylinder.
In the technical scheme provided by this disclosed embodiment, flashlight can be by needing the target object observed with user
The distance between focus, i.e., adjustment lamp bead and focusing lens between second distance, and then adjust emergent light spot size,
The scheme for realizing flashlight automatic focusing, improves the efficiency and reliability of flashlight focusing, and then improves user experience.
In one embodiment, as shown in Figure 2 b, method further includes step 204:
In step 204, if detecting, the light direction of flashlight changes, and in the preset time period after change not
Reflection range laser is received, help-asking mode is opened, which is flashlight according to predeterminated frequency opening and closing flashlight
Lamp bead.
Exemplary, user may use the flashlight under outer scene out of office, if user get lost under the field scene or
Person falls behind, and usually can miss the Best Times of rescue because the position of user can not be accurately positioned by rescue personnel, the hand
Help-asking mode also can be set in torch, and flashlight can open and close flashlight according to predeterminated frequency under the help-asking mode
Lamp bead, i.e., by flashlight it is lasting it is bright secretly come be convenient for rescue personnel position user position.Specifically, flashlight is detecting
When light direction changes, time when change can recorde, then determine whether to receive by going out light after changing in real time
The reflection range laser that target object on direction reflects to form.If from light direction change after preset time period in not
Reflection range laser is received, illustrates that there is no target objects on the light direction after changing, and then can speculate user's needs
Distress signals are sent out to be rescued, then flashlight can open help-asking mode, i.e., open and close according to predeterminated frequency
The lamp bead of flashlight.Rescue personnel can be according to the position of the bright dark positioning user of the flashlight, and then is rescued.If from going out
Light direction change after preset time period in have received reflection range laser, then after flashlight can obtain and change
Then the first distance between target object on light direction adjusts between lamp bead and focusing lens according to the first distance
Second distance.
In the technical scheme provided by this disclosed embodiment, the flashlight is pointed into the sky or other spacious areas in user
When domain, flashlight can open help-asking mode, improve under user's outer scene out of office or obtain a possibility that just living, and then improve
The safety coefficient of user's field survivorship, user experience are preferable.
In one embodiment, as shown in Figure 2 c, method further includes step 205 and step 206:
In step 205, when the first distance between flashlight and target object is less than or equal to pre-determined distance threshold value,
Record the duration that first distance is maintained between flashlight and target object.
In step 206, if the duration is greater than or equal to preset time threshold, out code is executed.
Exemplary, user is after using flashlight, it is possible that forgetting the case where closing flashlight, therefore flashlight
Use process in, can determine in real time and current light direction on target object between first distance whether be less than or wait
In pre-determined distance threshold value.If the first distance between the target object is less than or equal to pre-determined distance threshold value, can recorde
The duration of the first distance is maintained between the flashlight and target object, and determine in real time the duration whether be greater than or
Equal to preset time threshold.If the duration is greater than or equal to preset time threshold, illustrate between flashlight and target object
First distance it is smaller, and current state last longer, it may be possible to which user places after finishing flashlight use
It is placed on the table downwards in packet or by the light-emitting window of flashlight, therefore flashlight can execute out code, that is, extinguish
Lamp bead avoids the waste of electric energy.If the duration be less than preset time threshold, flashlight can continue record flashlight with
The duration of the first distance is maintained between target object, if being not up to the remote holder of preset time threshold in the duration
The light direction of torch changes, then flashlight it is available with change after light direction on target object between the
Then one distance adjusts the second distance between lamp bead and focusing lens according to the first distance.
In the technical scheme provided by this disclosed embodiment, flashlight can also determine in the long period with the object
When the distance between body is closer, out code is executed, i.e. extinguishing lamp bead, avoids the waste of electricity.
In one embodiment, as shown in Figure 2 d, method further includes step 207:
In step 207, according to the first distance between flashlight and target object, the bright of the lamp bead of flashlight is adjusted
Degree.
Exemplary, flashlight can preset the corresponding relationship of first distance and reference brightness, corresponding relationship description
The first distance is bigger, and corresponding reference brightness is bigger；First distance is smaller, and corresponding reference brightness is smaller.It is getting
After first distance between target object, flashlight can inquire the corresponding relationship according to the first distance first, obtain
Then reference brightness corresponding with the first distance adjusts the brightness of the lamp bead, that is, adjust the voltage of the lamp bead two sides or be somebody's turn to do
The electric current of lamp bead, until being the reference brightness by the brightness adjustment of the lamp bead.
Or in practical application, the corresponding relationship of first distance and reference voltage can be preset in flashlight, this is right
Answer the relationship description first distance bigger, corresponding reference voltage is bigger；First distance is smaller, and corresponding reference voltage is got over
It is small.After getting the first distance between target object, it is right that flashlight can inquire this according to the first distance first
It should be related to, obtain reference voltage corresponding with the first distance, then adjust the voltage of the lamp bead two sides, until by the lamp bead
Two sides voltage is adjusted to reference voltage, and the brightness of the lamp bead at this time meets user and observes needs.Likewise, flashlight can also be pre-
The corresponding relationship of first distance and reference current is first set, and it is bigger which describes the first distance, corresponding reference
Electric current is bigger；First distance is smaller, and corresponding reference current is smaller.Get the first distance between target object it
Afterwards, flashlight can inquire the corresponding relationship according to the first distance first, obtain reference current corresponding with the first distance,
Then adjustment power supply is exported to the electric current of the lamp bead, until adjusting the electric current of output to the lamp bead to reference current, at this time should
The brightness of lamp bead meets user and observes needs.
In the technical scheme provided by this disclosed embodiment, flashlight can also be by needing the object observed with user
The distance between body changes the brightness of lamp bead to control, and then adjusts the bright dark of emergent light spot, improves and focuses it in flashlight
The efficiency of user's observed object object afterwards, and then improve user experience.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.
Fig. 3 a is a kind of structural schematic diagram of flashlight focus control 30 shown according to an exemplary embodiment, the device
30 being implemented in combination with as some or all of of electronic equipment by software, hardware or both.As shown in Figure 3a, should
Flashlight focus control 30 includes the first acquisition module 301, and second obtains module 302 and the first adjustment module 303.
Wherein, first module 301 is obtained, for obtaining the light direction of the flashlight.
Second obtains module 302, for the light direction according to the flashlight, obtains the flashlight and the light out
The first distance between target object on direction.
The first adjustment module 303, for adjusting institute according to the first distance between the flashlight and the target object
The second distance between the lamp bead of flashlight and the focusing lens of the flashlight is stated, the focusing lens is arranged in the flashlight
The light-emitting window of cylinder, for converging the light of the lamp bead transmitting.
In one embodiment, as shown in Figure 3b, described second module 302 is obtained including emitting submodule 3021, receive
Submodule 3022 and the first acquisition submodule 3023.
Wherein, emit submodule 3021, emit range laser for the light direction along the flashlight.
Receiving submodule 3022, for receiving the reflection after the target object reflection on the light direction
Range laser.
First acquisition submodule 3023, for according to launch time of the range laser and the reflection range laser
Receiving time obtains the first distance between the flashlight and the target object.
In one embodiment, as shown in Figure 3c, described device 30 further includes emergency module 304, the emergency module
304, if not received for detecting that the light direction of the flashlight changes, and in the preset time period after change described
Range laser is reflected, help-asking mode is opened, the help-asking mode is described in the flashlight is opened and closed according to predeterminated frequency
The lamp bead of flashlight.
In one embodiment, as shown in Figure 3d, described device 30 further includes logging modle 305 and execution module 306.
Wherein, logging modle 305 are less than or wait for the first distance between the flashlight and the target object
When pre-determined distance threshold value, the duration that the first distance is maintained between the flashlight and the target object is recorded.
Execution module 306 executes out code if being greater than or equal to preset time threshold for the duration.
In one embodiment, as shown in Figure 3 e, the first adjustment module 303 includes the second acquisition submodule 3031,
Determine submodule 3032 and the first adjustment submodule 3033.
Wherein, the second acquisition submodule 3031, for obtaining the last lamp bead for adjusting the flashlight and the flashlight
Cylinder focusing lens between second distance when, the flashlight and last time target object between first distance.
Submodule 3032 is determined, for determining first distance and institute between the flashlight and the target object of last time
Whether the difference for stating the first distance between flashlight and current goal object is greater than or equal to pre-determined distance threshold value.
The first adjustment submodule 3033, if for the flashlight and last time target object between first distance with
The difference of first distance between the flashlight and current goal object is greater than or equal to the pre-determined distance threshold value, according to institute
The first distance between flashlight and the target object is stated, the lamp bead for adjusting the flashlight and the focusing of the flashlight are saturating
Second distance between mirror.
In one embodiment, as illustrated in figure 3f, described device 30 further includes that third obtains module 307 and second adjustment mould
Block 308.
Wherein, third obtains module 307, if for the first distance between the flashlight and the target object of last time
The difference of first distance between the flashlight and current goal object is less than the pre-determined distance threshold value, obtains last
Between the time and current time for adjusting the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight
Time difference.
Second adjustment module 308, if being greater than or equal to preset time threshold for the time difference, according to the flashlight
With the first distance between the target object, adjust between the lamp bead of the flashlight and the focusing lens of the flashlight
Second distance.
In one embodiment, as shown in figure 3g, described device 30 further includes third adjustment module 309, the third tune
Mould preparation block 309, for adjusting the lamp bead of the flashlight according to the first distance between the flashlight and the target object
Brightness.
Embodiment of the disclosure provides a kind of flashlight focus control, which can need to see by flashlight with user
The distance between target object examined is focused, i.e. second distance between adjustment lamp bead and focusing lens, and then is adjusted out
The size for penetrating hot spot realizes the scheme of flashlight automatic focusing, improves the efficiency and reliability of flashlight focusing, Jin Erti
High user experience.
The embodiment of the present disclosure provides a kind of flashlight focus control, which includes:
Processor；
Memory for storage processor executable instruction；
Wherein, processor is configured as:
Obtain the light direction of the flashlight；
According to the light direction of the flashlight, obtain between the target object on the flashlight and the light direction
First distance；
According to the first distance between the flashlight and the target object, adjust the lamp bead of the flashlight with it is described
Second distance between the focusing lens of flashlight, the light-emitting window of the flashlight is arranged in the focusing lens, for converging
The light of the lamp bead transmitting.
In one embodiment, above-mentioned processor is also configured to: the light direction along the flashlight emits ranging
Laser；Receive the reflection range laser after the target object reflection on the light direction；According to the ranging
The receiving time of the launch time of laser and the reflection range laser, obtain between the flashlight and the target object
First distance.
In one embodiment, above-mentioned processor is also configured to: if detecting the light direction hair of the flashlight
It is raw to change, and the reflection range laser is not received in the preset time period after change, open help-asking mode, the help-asking mode
The lamp bead of the flashlight is opened and closed according to predeterminated frequency for the flashlight.
In one embodiment, above-mentioned processor is also configured to: between the flashlight and the target object
First distance when being less than or equal to pre-determined distance threshold value, record and maintain described the between the flashlight and the target object
The duration of one distance；If the duration is greater than or equal to preset time threshold, out code is executed.
In one embodiment, above-mentioned processor is also configured to: obtaining the last lamp bead for adjusting the flashlight
When second distance between the focusing lens of the flashlight, between the flashlight and the target object of last time first
Distance；Determine the first distance and the flashlight and current goal object between the flashlight and the target object of last time
Between the difference of first distance whether be greater than or equal to pre-determined distance threshold value；If the flashlight and last target object
Between first distance and the flashlight and current goal object between first distance difference be greater than or equal to it is described pre-
If distance threshold, according to the first distance between the flashlight and the target object, adjust the lamp bead of the flashlight with
Second distance between the focusing lens of the flashlight.
In one embodiment, above-mentioned processor is also configured to: if the flashlight and last target object
Between first distance and the flashlight and current goal object between first distance difference be less than the pre-determined distance
Threshold value obtains the time of the second distance between the last lamp bead for adjusting the flashlight and the focusing lens of the flashlight
Time difference between current time；If the time difference is greater than or equal to preset time threshold, according to the flashlight and institute
The first distance between target object is stated, second between the lamp bead of the flashlight and the focusing lens of the flashlight is adjusted
Distance.
In one embodiment, above-mentioned processor is also configured to: according to the flashlight and the target object it
Between first distance, adjust the brightness of the lamp bead of the flashlight.
Embodiment of the disclosure provides a kind of flashlight focus control, which can need to see by flashlight with user
The distance between target object examined is focused, i.e. second distance between adjustment lamp bead and focusing lens, and then is adjusted out
The size for penetrating hot spot realizes the scheme of flashlight automatic focusing, improves the efficiency and reliability of flashlight focusing, Jin Erti
High user experience.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
The disclosure provides a kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by flashlight
When the controller of cylinder 10 executes, so that flashlight 10 is able to carry out above-mentioned flashlight focus adjustment method, which comprises
Obtain the light direction of the flashlight.
According to the light direction of the flashlight, obtain between the target object on the flashlight and the light direction
First distance.
According to the first distance between the flashlight and the target object, adjust the lamp bead of the flashlight with it is described
Second distance between the focusing lens of flashlight, the light-emitting window of the flashlight is arranged in the focusing lens, for converging
The light of the lamp bead transmitting.
In one embodiment, the light direction according to the flashlight obtains the flashlight and the light out
The first distance between target object on direction includes: the light direction transmitting range laser along the flashlight；Receive warp
Cross the reflection range laser after the target object reflection on the light direction；When according to the transmitting of the range laser
Between with it is described reflection range laser receiving time, obtain the first distance between the flashlight and the target object.
In one embodiment, the method also includes: if detecting, the light direction of the flashlight changes, and
The reflection range laser is not received in preset time period after change, opens help-asking mode, the help-asking mode is the hand
Torch opens and closes the lamp bead of the flashlight according to predeterminated frequency.
In one embodiment, the method also includes: between the flashlight and the target object first away from
When from being less than or equal to pre-determined distance threshold value, recording and maintaining the first distance between the flashlight and the target object
Duration；If the duration is greater than or equal to preset time threshold, out code is executed.
In one embodiment, the first distance according between the flashlight and the target object adjusts institute
Stating the second distance between the lamp bead of flashlight and the focusing lens of the flashlight includes: to obtain the last adjustment flashlight
When second distance between the lamp bead of cylinder and the focusing lens of the flashlight, the flashlight and last target object it
Between first distance；Determine first distance between the flashlight and the target object of last time and the flashlight and current
Whether the difference of the first distance between target object is greater than or equal to pre-determined distance threshold value；If the flashlight and last time
The difference of the first distance between first distance and the flashlight and current goal object between target object is greater than or waits
The flashlight is adjusted according to the first distance between the flashlight and the target object in the pre-determined distance threshold value
Lamp bead and the flashlight focusing lens between second distance.
In one embodiment, the method also includes: if the between the flashlight and the target object of last time
The difference of first distance between one distance and the flashlight and current goal object is less than the pre-determined distance threshold value, obtains
Last time adjust the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight time and it is current when
Between between time difference；If the time difference is greater than or equal to preset time threshold, according to the flashlight and the object
First distance between body adjusts the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight.
In one embodiment, the method also includes: according to first between the flashlight and the target object
Distance adjusts the brightness of the lamp bead of the flashlight.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (11)
1. a kind of flashlight, which is characterized in that including direction sensor, range sensor, driving assembly and respectively with the side
The controller connected to sensor, the range sensor with the driving component；
The direction sensor, for detecting the light direction of the flashlight；
The range sensor detects the flashlight and the light direction for the light direction according to the flashlight
On target object between first distance；
The controller, for controlling the driving group according to the first distance between the flashlight and the target object
Part adjusts the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight, and the focusing lens setting exists
The light-emitting window of the flashlight, for converging the light of the lamp bead transmitting.
2. flashlight according to claim 1, which is characterized in that the controller is also used to according to the flashlight and institute
The first distance between target object is stated, the brightness of the lamp bead of the flashlight is controlled.
3. a kind of flashlight focus adjustment method, which is characterized in that be applied to flashlight of any of claims 1 or 2, the flashlight
Focus adjustment method includes:
Obtain the light direction of the flashlight；
According to the light direction of the flashlight, between the target object on the flashlight and the light direction is obtained
One distance；
According to the first distance between the flashlight and the target object, adjust the flashlight lamp bead and the flashlight
The light-emitting window of the flashlight is arranged in second distance between the focusing lens of cylinder, the focusing lens, described for converging
The light of lamp bead transmitting.
4. according to the method described in claim 3, it is characterized in that, the light direction according to the flashlight, obtains institute
The first distance stated between the target object on flashlight and the light direction includes:
Light direction along the flashlight emits range laser；
Receive the reflection range laser after the target object reflection on the light direction；
According to the receiving time of the launch time of the range laser and the reflection range laser, the flashlight and institute are obtained
State the first distance between target object.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
If detecting, the light direction of the flashlight changes, and does not receive the reflection in the preset time period after change
Range laser, opens help-asking mode, and the help-asking mode is the flashlight according to the predeterminated frequency opening and closing flashlight
The lamp bead of cylinder.
6. according to method described in claim 3 to 5 any one claim, which is characterized in that the method also includes:
When first distance between the flashlight and the target object is less than or equal to pre-determined distance threshold value, described in record
The duration of the first distance is maintained between flashlight and the target object；
If the duration is greater than or equal to preset time threshold, out code is executed.
7. according to method described in claim 3 to 5 any one claim, which is characterized in that described according to the flashlight
First distance between cylinder and the target object, adjusts between the lamp bead of the flashlight and the focusing lens of the flashlight
Second distance include:
It is described when obtaining the second distance between the last lamp bead for adjusting the flashlight and the focusing lens of the flashlight
First distance between flashlight and the target object of last time；
Determine the first distance and the flashlight and current goal object between the flashlight and the target object of last time
Between the difference of first distance whether be greater than or equal to pre-determined distance threshold value；
If first distance and the flashlight and current goal object between the flashlight and the target object of last time it
Between first distance difference be greater than or equal to the pre-determined distance threshold value, according between the flashlight and the target object
First distance, adjust the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight.
8. the method according to the description of claim 7 is characterized in that the method also includes:
If first distance and the flashlight and current goal object between the flashlight and the target object of last time it
Between the difference of first distance be less than the pre-determined distance threshold value, obtain the last lamp bead for adjusting the flashlight and the hand
Time difference between the time and current time of second distance between the focusing lens of torch；
If the time difference is greater than or equal to preset time threshold, according to first between the flashlight and the target object
Distance adjusts the second distance between the lamp bead of the flashlight and the focusing lens of the flashlight.
9. according to method described in claim 3 to 5 any one claim, which is characterized in that the method also includes:
According to the first distance between the flashlight and the target object, the brightness of the lamp bead of the flashlight is adjusted.
10. a kind of flashlight focus control characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
Obtain the light direction of the flashlight；
According to the light direction of the flashlight, between the target object on the flashlight and the light direction is obtained
One distance；
According to the first distance between the flashlight and the target object, adjust the flashlight lamp bead and the flashlight
The light-emitting window of the flashlight is arranged in second distance between the focusing lens of cylinder, the focusing lens, described for converging
The light of lamp bead transmitting.
11. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the instruction is by processor
The step of claim 3 to 9 any one claim the method is realized when execution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910156993.4A CN109827099A (en) | 2019-03-01 | 2019-03-01 | Flashlight, flashlight focus adjustment method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156993.4A CN109827099A (en) | 2019-03-01 | 2019-03-01 | Flashlight, flashlight focus adjustment method and device |
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| CN103335219A (en) * | 2013-06-17 | 2013-10-02 | 宁波协生照明工业有限公司 | Full-automatic telescopic focusing flashlight |
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