CN210246813U - Telescopic functional device and mobile terminal - Google Patents
Telescopic functional device and mobile terminal Download PDFInfo
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- CN210246813U CN210246813U CN201921459271.8U CN201921459271U CN210246813U CN 210246813 U CN210246813 U CN 210246813U CN 201921459271 U CN201921459271 U CN 201921459271U CN 210246813 U CN210246813 U CN 210246813U
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Abstract
The embodiment of the utility model provides a telescopic function device and mobile terminal, the function device includes: the device comprises a functional device component, a variable resistor component and a driving component; the driving component is connected with the functional device component and is used for driving the functional device component to stretch or rotate; the variable resistor component is connected with the functional device component, and the resistance value of the variable resistor component corresponds to the rotation angle of the functional device component; in the process that the functional device assembly is switched from the extending state to the retracting state, when the resistance value of the variable resistance assembly is a preset resistance value, the driving assembly drives the functional device to retract; when the resistance value of the variable resistance component is not equal to the preset resistance value, the driving component drives the functional device to rotate until the resistance value of the variable resistance component is the preset resistance value, and then the functional device is driven to retract. The embodiment of the utility model provides a, during control module is according to the rotation angle of resistance control function device subassembly, the interference killing feature is stronger, and control accuracy is higher.
Description
Technical Field
The utility model relates to a mobile terminal technical field especially relates to a telescopic function device and mobile terminal.
Background
With the extreme pursuit of the user for the use experience, the performance requirement of the user for the mobile terminal such as a mobile phone and a laptop is higher and higher, for example, in order to achieve better touch operation experience and better appearance effect, the screen occupation requirement of the user for the mobile terminal is higher and higher. In order to increase the screen ratio of the mobile terminal, a telescopic functional device apparatus (e.g., a telescopic camera assembly) is widely used.
In practical application, after the telescopic camera assembly extends out of the mobile terminal, the telescopic camera assembly often needs to rotate by a certain angle to shoot, and after shooting is completed, the telescopic camera assembly needs to be rotated to the initial position and then retracted into the mobile terminal from the initial position. In the prior art, the telescopic camera assembly can comprise a camera, a rotary motor and a hall sensor, wherein the rotary motor is connected with the camera, the rotary motor can be used for driving the camera to rotate, the hall sensor is connected with the camera, and in the rotating process of the telescopic camera assembly, the hall sensor determines the rotating angle of the camera through the magnetic field change caused by the rotation of the induction camera. However, in actual use, due to the electromagnetic interference of peripheral components, the rotation angle of the camera determined by the hall sensor is often not accurate enough, so that the rotation angle control of the camera is easily not accurate enough, and the use experience of a user is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a telescopic functional device and mobile terminal to solve current camera rotation angle that confirms through hall sensor and easily receive electromagnetic interference and the not accurate enough problem of rotation angle.
In order to achieve the above object, the utility model discloses a telescopic functional device, include: the device comprises a functional device component, a variable resistor component and a driving component; wherein the content of the first and second substances,
the functional device assembly has an extended state and a retracted state;
the driving assembly is connected with the functional device assembly and is used for driving the functional device assembly to stretch or rotate;
the variable resistor assembly is connected with the functional device assembly, and the resistance value of the variable resistor assembly corresponds to the rotation angle of the functional device assembly;
in the process that the functional device assembly is switched from the extending state to the retracting state, when the resistance value of the variable resistor assembly is a preset resistance value, the driving assembly drives the functional device assembly to retract; when the resistance value of the variable resistance component is not equal to the preset resistance value, the driving component drives the functional device component to rotate until the resistance value of the variable resistance component is the preset resistance value, and then the functional device component is driven to retract.
On the other hand the utility model also discloses a mobile terminal, including foretell telescopic function device.
The utility model discloses a following advantage:
the embodiment of the utility model provides an in, constitute telescopic function device through function device subassembly, variable resistance subassembly and drive assembly, when the function device subassembly is rotatory, the corresponding change that takes place of resistance of variable resistance subassembly, just the rotation angle of function device subassembly with the resistance of variable resistance subassembly is corresponding, consequently, through detecting the resistance of variable resistance can obtain the rotation angle of function device subassembly. In the embodiment of the present invention, in the process of switching the functional device assembly from the extended state to the retracted state, when the resistance value of the variable resistance assembly is the preset resistance value, the driving assembly drives the functional device assembly to retract; when the resistance value of the variable resistance component is not equal to the preset resistance value, the driving component drives the functional device component to rotate until the resistance value of the variable resistance component is the preset resistance value, and then the functional device component is driven to retract. In practical application, because the resistance value of the variable resistance component is not easily subjected to electromagnetic interference, the resistance value of the variable resistance component reflects the rotation angle of the rotating component accurately, and thus, when the control module controls the rotation angle of the functional device component according to the resistance value, the anti-interference capability is stronger, and the control precision is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a telescopic functional device in a mobile terminal in the prior art;
FIG. 2 is a schematic view of a telescopic functional device apparatus according to the present invention;
FIG. 3 is a schematic view of another retractable functional device apparatus of the present invention;
fig. 4 is a schematic diagram of a resistance gear according to the present invention.
Description of reference numerals:
2-shell, a-rotation angle, 10-functional device component, 20-variable resistor component, 30-driving component, 40-control module, 201-variable resistor, 202-constant current source, 301-first driving part, 302-driving shaft, 303-first gear, 304-second driving part, 305-telescopic shaft, 101-bracket, 102-functional device, 103-rotating shaft, 104-second gear, 105-coaxial line, 2011-resistor body, 2012-slider, 2013-first fixed binding post, 2014-second fixed binding post, 2015-sliding binding post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a mobile terminal can be for smart mobile phone, computer, multimedia player, electronic reader, wearable equipment etc..
Referring to fig. 1, a schematic structural diagram of a telescopic functional device apparatus in a mobile terminal in the prior art is shown. Specifically, in the case where the retractable functional device 1 is not required to be used, the retractable functional device 1 may be hidden inside the housing 2, and in the case where the retractable functional device 1 is required to be used, the retractable functional device 1 may be extended from inside the housing 2. When the telescopic functional device 1 extends out of the housing 2, the telescopic functional device 1 can correspond to an initial position, and in practical application, the telescopic functional device 1 can rotate to a working position by a preset angle a according to actual needs. For example, in the case where the retractable functional device apparatus 1 is a retractable camera apparatus, the retractable functional device apparatus 1 can be rotated by a preset angle a to perform photographing, so as to obtain a good photographing effect. Specifically, after the telescopic functional device 1 completes the work, the telescopic functional device 1 needs to be rotated back from the working position to the initial position, and finally retracted into the housing 2 from the initial position.
The utility model provides a telescopic function device specifically can include: the device comprises a functional device component, a variable resistance component and a driving component; wherein the functional device assembly has an extended state and a retracted state; the driving assembly is connected with the functional device assembly and is used for driving the functional device assembly to stretch or rotate; the variable resistor assembly is connected with the functional device assembly, and the resistance value of the variable resistor assembly corresponds to the rotation angle of the functional device assembly; in the process that the functional device assembly is switched from the extending state to the retracting state, when the resistance value of the variable resistor assembly is a preset resistance value, the driving assembly drives the functional device assembly to retract; when the resistance value of the variable resistance component is not equal to the preset resistance value, the driving component drives the functional device component to rotate until the resistance value of the variable resistance component is the preset resistance value, and then the functional device component is driven to retract.
The embodiment of the utility model provides an in, constitute rotatable function device through function device subassembly, variable resistance subassembly and drive assembly, when the function device subassembly is rotatory, the corresponding change that takes place of resistance of variable resistance subassembly, just the rotation angle of function device subassembly with the resistance of variable resistance subassembly is corresponding, consequently, through detecting the resistance of variable resistance can obtain the rotation angle of function device subassembly. In the embodiment of the present invention, in the process of switching the functional device assembly from the extended state to the retracted state, when the resistance value of the variable resistance assembly is the preset resistance value, the driving assembly drives the functional device assembly to retract; when the resistance value of the variable resistance component is not equal to the preset resistance value, the driving component drives the functional device component to rotate until the resistance value of the variable resistance component is the preset resistance value, and then the functional device component is driven to retract. In practical application, because the resistance value of the variable resistance component is not easily subjected to electromagnetic interference, the resistance value of the variable resistance component reflects the rotation angle of the rotating component accurately, and thus, when the control module controls the rotation angle of the functional device component according to the resistance value, the anti-interference capability is stronger, and the control precision is higher.
In practical application, the functional device subassembly can be for at least one in camera subassembly, light filling banks spare, the infrared sensor subassembly, the embodiment of the utility model provides a do not do specifically to this and restrict.
The structure and principle of the telescopic functional device apparatus will be further explained and explained with reference to the drawings.
Referring to fig. 2, the present invention is illustrated a telescopic functional device apparatus, which may specifically include: a functional device assembly 10, a variable resistance assembly 20, and a driving assembly 30; wherein the functional device assembly 10 has an extended state and a retracted state; the driving assembly 30 is connected with the functional device assembly 10, and the driving assembly 30 is used for driving the functional device assembly 10 to stretch or rotate; the variable resistance component 20 is connected with the functional device component 10, and the resistance value of the variable resistance component 20 corresponds to the rotation angle of the functional device component 10; in the process that the functional device assembly 10 is switched from the extending state to the retracting state, when the resistance value of the variable resistance assembly 20 is a preset resistance value, the driving assembly 30 drives the functional device assembly 10 to retract; when the resistance value of the variable resistance component 20 is not equal to the preset resistance value, the driving component 30 drives the functional device component 10 to rotate until the resistance value of the variable resistance component 20 is equal to the preset resistance value, and then drives the functional device component 10 to retract.
The embodiment of the utility model provides an in, because variable resistance subassembly 20's resistance can realize accurate corresponding with functional device subassembly 10's rotation angle, consequently, switch to the in-process that contracts the state at functional device subassembly 10 from stretching out the state, anti-electromagnetic interference ability is stronger, and control accuracy is higher.
Optionally, the functional device apparatus may further include: the control module 40 is connected with the variable resistor assembly 20 and the driving assembly 30 respectively, and the control module 40 detects the resistance value of the variable resistor assembly 20 and controls the switching of the extending state and the retracting state of the driving functional device assembly 10 of the driving assembly 30 according to the resistance value. In practical applications, the control module 40 may further include a CPU detection circuit and an ADC (Analog-to-Digital Converter) connected to the CPU detection circuit, where the CPU detection circuit is respectively connected to the variable resistance component 20 and the driving component 30, and converts the detected voltage signals at two ends of the variable resistance component 20 into Digital signals through the ADC, so as to implement accurate control of the driving component 30. In the process of switching the functional device assembly 10 from the extended state to the retracted state, when the resistance value of the variable resistor assembly 20 is a preset resistance value, the ADC converter marks an ADC signal corresponding to the voltage at two ends of the preset resistance value as ADC1, when the resistance value of the variable resistor assembly 20 is not equal to the preset resistance value, the ADC signal corresponding to the resistance value of the variable resistor assembly 20 is not equal to ADC1, the driving assembly 30 drives the functional device assembly 10 to rotate, until the resistance value of the variable resistor assembly 20 is the preset resistance value, and the ADC signal corresponding to the resistance value of the variable resistor assembly 20 is equal to ADC1, and then the functional device assembly 10 is driven to retract.
In practical applications, the variable resistance assembly 20 may include: a variable resistor 201 and a constant current source 202, the variable resistor 201 and the constant current source 202 being connected in series.
In the embodiment of the present invention, because variable resistor 201 and constant current source 202 are connected in series, the current passing through variable resistor 201 is invariable, i.e. the resistance of variable resistor 201 is directly proportional to the voltage at both ends of the resistance, that is, along with the increase or decrease of the resistance of variable resistor 201 and constant current source 202 in series, the voltage at both ends of variable resistor 201 also correspondingly increases or decreases. Since the rotation angle of the functional device assembly 10 corresponds to the resistance value of the variable resistor 201, that is, the rotation angle of the functional device assembly 10 corresponds to the voltages at the two ends of the variable resistor 201, during the rotation of the functional device assembly 10, the control module 40 only needs to detect the voltages at the two ends of the resistor formed by connecting the variable resistor 201 and the constant current source 202 in series, and can control the driving assembly 30 to drive the functional device assembly 10 to rotate or stop rotating according to the voltages. The embodiment of the utility model provides an in, because variable resistance 201's resistance is difficult for receiving electromagnetic interference, consequently, above-mentioned functional device anti-electromagnetic interference ability is stronger, and control accuracy is higher.
Alternatively, the driving assembly 30 may include: the driving device comprises a first driving piece 301 and a driving shaft 302 connected with the first driving piece 301, wherein a first gear 303 is sleeved on the driving shaft 302; the functional device assembly 10 may include: the multifunctional device comprises a support 101, a functional device 102 and a rotating shaft 103, wherein the functional device 102 is arranged on the support 101, the support 101 is fixedly connected with the rotating shaft 103, a second gear 104 is sleeved on the rotating shaft 103, and the second gear 104 is meshed with a first gear 303; the rotating shaft 103 is connected with the variable resistor 201, and the rotating angle of the rotating shaft 103 corresponds to the resistance value of the variable resistor 201.
In the embodiment of the present invention, the second gear 104 is engaged with the first gear 303, so that the first driving member 301 drives the functional device 102 to rotate. In practical application, the gear transmission has the advantages of constant transmission ratio, high transmission efficiency, reliable work, long service life and small occupied space, so that the functional device formed by the gear transmission also has corresponding advantages.
In practical applications, the first gear 303 and the second gear 104 may be made of the same material, so as to avoid the reduction of the service life of the gears due to the difference of hardness and wear resistance of different materials. The first gear 303 and the second gear 104 may be made of any one or a combination of a plurality of hard plastics made of phenolic plastics, polyurethane plastics, epoxy plastics, unsaturated polyester plastics, silicone resins, acryl resins, and the like, and compared with a metal material, the density of the plastic material is low, the overall weight is light, the weight of the gear may be reduced, and the weight of the mobile terminal may be reduced to a certain extent. Of course, the material of the first gear 303 and the second gear 104 may also be metal, such as any one or a combination of stainless steel, cast iron, copper, aluminum, etc., and due to the higher hardness and wear resistance of the metal material, the service life of the gears can be prolonged.
Specifically, the first driving member 301 may be any one of a rotary driving motor, a rack-type rotary actuator, a vane-type rotary actuator, and a chain-type rotary actuator.
Optionally, a speed reducer may be provided in connection with the first driving member 301 to make the speed of the first driving member 301 more uniform when driving the functional device 102 to rotate.
In practical applications, the functional device 102 may include: at least one of camera, light filling lamp, infrared sensor just so can realize the rotation angle precision and the anti-electromagnetic interference ability of multiple functions (make a video recording, light filling and infrared sensing etc.).
When functional device 102 is the camera, the rotatory in-process of camera, through detecting the voltage at variable resistance 201 both ends, and according to voltage control drive assembly 30 drive camera is rotated to operating position by initial position or is rotated to initial position by operating position, can avoid the camera rotation to receive peripheral electromagnetic interference to lead to the precision lower, especially when the camera circles round to initial position by the operating position of rotatory certain angle, avoided because the inaccurate joint that makes of angle of circling round can't retract the joint at the outside problem of mobile terminal casing, consequently, the embodiment of the utility model provides a telescopic camera device can improve the precision of anti-electromagnetic interference ability and rotation angle, and then greatly improve user's use experience.
In practical applications, the driving assembly 30 may further include: a second drive member 304 and a telescopic shaft 305; the second driving member 304 is fixedly connected to the telescopic shaft 305, the telescopic shaft 305 is connected to the function device assembly 10, and the second driving member 304 drives the function device assembly 10 to extend and retract through the telescopic shaft 305.
In the embodiment of the present invention, the second driving member 304 drives the functional device assembly 10 to stretch and retract through the telescopic shaft 305, so as to realize the free switching between the extending state and the retracting state of the functional device assembly 10.
In practical applications, the second driving member 304 can be any one of a stepping motor, a pneumatic cylinder, and a hydraulic cylinder.
Specifically, when the functional device 102 is a camera, when taking a picture, the second driving element 304 may first drive the telescopic shaft 305 to extend, so that the camera extends out of the mobile terminal housing to reach an initial position, and at this time, the control module 40 may synchronously detect that the resistance value of the variable resistor corresponding to the initial position is an initial resistance value a 1. During photographing, the first driving member 301 controls the camera to rotate to a predetermined angle a to reach the working position through the linkage of the driving shaft 302, the first gear 303, the rotating shaft 103 and the second gear 104, and since the rotating angle of the rotating shaft 103 corresponds to the resistance value of the variable resistor 201, when the camera rotates to the predetermined angle a, the control module 40 detects that the resistance value of the variable resistor 201 corresponding to the working position is a 2. After the photographing is finished, in the process of the camera turning, the first driving member 301 controls the camera to turn angularly through the linkage of the driving shaft 302, the first gear 303, the rotating shaft 103 and the second gear 104, at this time, the control module 40 detects the resistance A3 of the variable resistor 201 in real time, and compares the resistance A3 detected in real time with the initial resistance a1, when A3 is a1, the control module 40 controls the first driving member 301 to drive the camera to stop rotating, that is, the camera has turned from the working position to the initial position, at this time, the second driving member 304 is continuously controlled to drive the telescopic shaft 305 to shorten, and the camera can be retracted into the mobile terminal housing.
In practical application, the first driving member 301 and the second driving member 304 may also be one driving member, so that the technical effect of being able to drive both extension and retraction and rotation is achieved by one driving member, and the cost and the occupied space are effectively saved.
Alternatively, the variable resistor 201 may be any one of a slide rheostat, a resistance wire, and a resistance gear.
The embodiment of the utility model provides an in, when variable resistance 201 is the slide rheostat, because slide rheostat simple structure, low cost, consequently, the assembly maintenance of the telescopic functional device that constitutes by the slide rheostat is all simple to have with characteristics with low costs concurrently. Specifically, the sliding varistor may include: the resistor comprises a resistor body 2011 and a slider 2012 arranged on the resistor body 2011, wherein the slider 2012 can slide along the resistor body 2011; a first fixed wiring terminal 2013 is arranged on the resistor body 2011; the constant current source 202 is respectively connected with the first fixed wiring terminal 2013 and the slider 2012; the rotating shaft 103 is connected with the slider 2012, and when the rotating shaft 103 rotates, the rotating shaft 103 drives the slider 2012 to slide on the resistor body 2011.
In practical applications, the rotating shaft 103 and the sliding block 2012 can be connected by a coaxial line 105 or a pull rod (not shown in the figure). When pivot 103 is connected through coaxial line 105 with slider 2012, coaxial line 105's both ends respectively with pivot 103 and slider 2012 fixed connection, when pivot 103 is rotatory, coaxial line 105 along with the rotation of pivot 103 and twine on pivot 103, and then coaxial line 105 drives slider 2012 and realizes removing, and is concrete, and slider 2012 controls or reciprocates about realizing on the slide rheostat, the embodiment of the utility model discloses do not limit to this. When the rotating shaft is connected with the slider 2012 through the pull rod, two ends of the pull rod are respectively fixedly connected with the rotating shaft 103 and the slider 2012, and when the rotating shaft 103 rotates, the pull rod is driven to move up and down, so that the slider 2012 is driven to move on the slide rheostat.
Of course, other connection modes can be set for the rotating shaft 103 and the slider 2012 according to actual situations, and those skilled in the art can set the connection modes according to actual situations.
Referring to fig. 3, another telescoping function device apparatus of the present invention is shown. Referring to fig. 4, a schematic diagram of a resistance gear according to an embodiment of the present invention is shown. As shown in the figure, the variable resistor 201 is a resistor gear, the resistor gear is meshed with the second gear 104, and the resistance value of the resistor gear corresponds to the rotation angle of the resistor gear; a second fixed wiring terminal 2014 and a sliding wiring terminal 2015 are arranged on the resistance gear, the second fixed wiring terminal 2014 is fixedly connected with the resistance gear, and the sliding wiring terminal 2015 can slide along the rotation direction of the resistance gear; the constant current source 202 is connected to the second fixed post 2014 and the sliding post 2015, respectively.
The embodiment of the utility model provides an in, it is rotatory to drive resistance gear through second gear 104 is rotatory to set up adapting unit between second gear 104 and the resistance gear has been avoided, thereby made the relation of connection simpler, the cost is lower.
The embodiment of the present invention provides an embodiment, the resistance gear 201 can be a gear made of a resistance material, wherein the resistance gear is a non-closed structure.
In practical application, the second gear 104 rotates to drive the resistance gear to rotate, the sliding terminal 2015 on the resistance gear slides along the gear of the resistance gear, so that the resistance between the second fixed post 2014 and the sliding post 2015 is increased or decreased, and since the constant current source 202 is connected to the second fixed post 2014 and the sliding post 2015 respectively, therefore, the voltage between the fixed terminal 2014 and the sliding terminal 2015 is also increased or decreased correspondingly, in the embodiment of the present invention, the voltage between the second fixed post 2014 and the sliding post 2015 can be detected by the voltage detected during the rotation of the functional device 102, and controls the first driving member 301 to drive the functional device 102 to rotate or stop rotating according to the voltage, therefore, high-precision control of the rotation angle of the functional device 102 and stronger anti-electromagnetic interference capability are achieved, and user experience is improved more effectively.
Optionally, the resistance gear may also be a resistance gear formed by winding a resistance wire around a non-conductive gear, so that the resistance value of the resistance gear corresponds to the rotation angle of the resistance gear, and the resistance wires with different resistance values may be replaced according to actual requirements, thereby implementing the corresponding relationship between the different resistance values and the rotation angle.
In practical application, the non-conductive gear can be a gear made of materials such as plastics, glass or ceramics, and when the gear is a plastic gear, the cost is lower and the weight is lighter; when the gear is a ceramic gear, the wear resistance of the gear is better.
The embodiment of the utility model provides an in, the number of teeth of resistance gear is greater than or equal to the number of teeth of second gear 104, like this, when second gear 104 rotation a week (rotatory 360 promptly), its resistance gear rotation angle that corresponds is less than or equal to 360, just so can realize resistance gear's resistance and second gear 104's rotation angle one-to-one.
To sum up, the utility model discloses telescopic functional device includes following advantage:
the embodiment of the utility model provides an in, constitute telescopic function device through function device subassembly, variable resistance subassembly and drive assembly, when the function device subassembly is rotatory, the corresponding change that takes place of resistance of variable resistance subassembly, just the rotation angle of function device subassembly with the resistance of variable resistance subassembly is corresponding, consequently, through detecting the resistance of variable resistance can obtain the rotation angle of function device subassembly. In the embodiment of the present invention, in the process of switching the functional device assembly from the extending state to the retracting state, when the resistance value of the variable resistance assembly is the preset resistance value, the driving assembly drives the functional device to retract; when the resistance value of the variable resistance component is not equal to the preset resistance value, the driving component drives the functional device to rotate until the resistance value of the variable resistance component is the preset resistance value, and then the functional device is driven to retract. In practical application, because the resistance value of the variable resistance component is not easily subjected to electromagnetic interference, the resistance value of the variable resistance component reflects the rotation angle of the rotating component accurately, and thus, when the control module controls the rotation angle of the functional device component according to the resistance value, the anti-interference capability is stronger, and the control precision is higher.
The embodiment of the utility model provides a still disclose a mobile terminal, this mobile terminal includes foretell telescopic function device.
The embodiment of the utility model provides a mobile terminal can be for smart mobile phone, computer, multimedia player, electronic reader, wearable equipment etc..
The embodiment of the utility model provides a mobile terminal, constitute telescopic function device through function device subassembly, variable resistance subassembly and drive assembly, when the function device subassembly is rotatory, the corresponding emergence of resistance of variable resistance subassembly changes, just the rotation angle of function device subassembly with the resistance of variable resistance subassembly is corresponding, consequently, through detecting the resistance of variable resistance can obtain the rotation angle of function device subassembly. In the embodiment of the present invention, in the process of switching the functional device assembly from the extending state to the retracting state, when the resistance value of the variable resistance assembly is the preset resistance value, the driving assembly drives the functional device to retract; when the resistance value of the variable resistance component is not equal to the preset resistance value, the driving component drives the functional device to rotate until the resistance value of the variable resistance component is the preset resistance value, and then the functional device is driven to retract. In practical application, because the resistance value of the variable resistance component is not easily subjected to electromagnetic interference, the resistance value of the variable resistance component reflects the rotation angle of the rotating component accurately, and thus, when the control module controls the rotation angle of the functional device component according to the resistance value, the anti-interference capability is stronger, and the control precision is higher.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
The technical solution provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A telescopic functional device is applied to a mobile terminal, and is characterized by comprising: the device comprises a functional device component, a variable resistance component and a driving component; wherein the content of the first and second substances,
the functional device assembly has an extended state and a retracted state;
the driving assembly is connected with the functional device assembly and is used for driving the functional device assembly to stretch or rotate;
the variable resistor assembly is connected with the functional device assembly, and the resistance value of the variable resistor assembly corresponds to the rotation angle of the functional device assembly;
in the process that the functional device assembly is switched from the extending state to the retracting state, when the resistance value of the variable resistor assembly is a preset resistance value, the driving assembly drives the functional device assembly to retract; when the resistance value of the variable resistance component is not equal to the preset resistance value, the driving component drives the functional device component to rotate until the resistance value of the variable resistance component is the preset resistance value, and then the functional device component is driven to retract.
2. The telescoping function device of claim 1, wherein said variable resistance assembly comprises: the variable resistor is connected with the constant current source in series.
3. The telescoping function device of claim 2, wherein said drive assembly comprises: the driving device comprises a first driving piece and a driving shaft connected with the first driving piece, wherein a first gear is sleeved on the driving shaft;
the functional device assembly includes: the device comprises a support, a functional device and a rotating shaft, wherein the functional device is arranged on the support, the support is fixedly connected with the rotating shaft, a second gear is sleeved on the rotating shaft, and the second gear is meshed with the first gear;
the rotating shaft is connected with the variable resistor, and the rotating angle of the rotating shaft corresponds to the resistance value of the variable resistor.
4. The retractable functional device apparatus according to claim 3, wherein the variable resistor is a slide rheostat including: the resistor comprises a resistor body and a sliding block arranged on the resistor body, wherein the sliding block can slide along the resistor body;
the resistor body is provided with a first fixed binding post;
the constant current source is respectively connected with the first fixed binding post and the sliding block;
the rotating shaft is connected with the sliding block, and when the rotating shaft rotates, the rotating shaft drives the sliding block to slide on the resistor body.
5. The telescopic functional device according to claim 4, wherein the functional device assembly further comprises a coaxial line, and both ends of the coaxial line are fixedly connected with the rotating shaft and the sliding block, respectively.
6. The retractable function device apparatus according to claim 3, wherein the variable resistor is a resistor gear, the resistor gear is engaged with the second gear, and a resistance value of the resistor gear corresponds to a rotation angle of the resistor gear;
the resistance gear is provided with a second fixed wiring terminal and a sliding wiring terminal, the second fixed wiring terminal is fixedly connected with the resistance gear, and the sliding wiring terminal can slide along the rotation direction of the resistance gear;
the constant current source is respectively connected with the second fixed binding post and the sliding binding post.
7. The telescoping function device of claim 6, wherein the number of teeth of said resistance gear is greater than or equal to the number of teeth of said second gear.
8. The telescoping feature device of claim 3, wherein the feature comprises: at least one of a camera, a light supplement lamp and an infrared sensor.
9. The telescoping function device of claim 1, wherein said drive assembly further comprises: a second driving piece and a telescopic shaft;
the second driving piece is fixedly connected with the telescopic shaft, the telescopic shaft is connected with the functional device assembly, and the second driving piece drives the functional device assembly to stretch and retract through the telescopic shaft.
10. A mobile terminal characterized by comprising a telescopic function device arrangement according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921459271.8U CN210246813U (en) | 2019-09-03 | 2019-09-03 | Telescopic functional device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921459271.8U CN210246813U (en) | 2019-09-03 | 2019-09-03 | Telescopic functional device and mobile terminal |
Publications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112689074A (en) * | 2020-12-28 | 2021-04-20 | 维沃移动通信有限公司 | Electronic equipment and camera module thereof |
| WO2022006889A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Camera device |
| CN114244941A (en) * | 2022-01-25 | 2022-03-25 | Oppo广东移动通信有限公司 | Electronic device |
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2019
- 2019-09-03 CN CN201921459271.8U patent/CN210246813U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022006889A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Camera device |
| CN112689074A (en) * | 2020-12-28 | 2021-04-20 | 维沃移动通信有限公司 | Electronic equipment and camera module thereof |
| CN112689074B (en) * | 2020-12-28 | 2022-07-15 | 维沃移动通信有限公司 | Electronic equipment and camera module thereof |
| CN114244941A (en) * | 2022-01-25 | 2022-03-25 | Oppo广东移动通信有限公司 | Electronic device |
| CN114244941B (en) * | 2022-01-25 | 2024-04-16 | Oppo广东移动通信有限公司 | Electronic equipment |
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