CN114244941A - Electronic device - Google Patents

Electronic device Download PDF

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Publication number
CN114244941A
CN114244941A CN202210087969.1A CN202210087969A CN114244941A CN 114244941 A CN114244941 A CN 114244941A CN 202210087969 A CN202210087969 A CN 202210087969A CN 114244941 A CN114244941 A CN 114244941A
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CN
China
Prior art keywords
adjustable resistor
display screen
rotating shaft
resistor
transmission mechanism
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Granted
Application number
CN202210087969.1A
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Chinese (zh)
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CN114244941B (en
Inventor
欧阳明华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202210087969.1A priority Critical patent/CN114244941B/en
Publication of CN114244941A publication Critical patent/CN114244941A/en
Priority to PCT/CN2022/139991 priority patent/WO2023142775A1/en
Application granted granted Critical
Publication of CN114244941B publication Critical patent/CN114244941B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The disclosure relates to the technical field of electronic equipment, in particular to electronic equipment and an angle detection method, wherein a rotating shaft, a first display screen, a first gear transmission mechanism and a first adjustable resistor are arranged, the first display screen is connected with the rotating shaft and can rotate around the rotating shaft, and the first gear transmission mechanism is respectively connected with the rotating shaft and the first display screen; the first adjustable resistor is a rotary adjusting resistor, the first adjustable resistor is connected with the first gear transmission mechanism, the resistance value of the first adjustable resistor is changed under the driving of the first gear transmission mechanism, and the resistance value of the first adjustable resistor is used for determining the rotation angle of the first display screen relative to the rotating shaft. The measurement of the rotation angle of the electronic equipment is realized by detecting the resistance value of the first adjustable resistor, the structure is simple and easy to realize, the detection precision is high, and no measurement dead angle exists.

Description

Electronic device
Technical Field
The present disclosure relates to the technical field of electronic devices, and particularly, to an electronic device.
Background
As technology has developed and advanced, folding screen electronic devices are increasingly beginning to be used. In the folding screen device, the bending angle of the folding screen needs to be detected, and the display state of the folding screen is controlled according to the form of the folding screen. For example, when the folding screen is in different folding positions, the folding screen is controlled to display different images or texts. Therefore, a device and a method capable of detecting the rotation angle of the screen of the folding screen electronic device are needed.
Disclosure of Invention
The purpose of the present disclosure is to provide an electronic device, and then realize the detection of the rotation angle of the display screen of the electronic device.
According to a first aspect of the present disclosure, there is provided an electronic device comprising:
a rotating shaft;
the first display screen is connected with the rotating shaft and can rotate around the rotating shaft;
the first gear transmission mechanism is respectively connected with the rotating shaft and the first display screen;
the first adjustable resistor is a rotary adjusting resistor, the first adjustable resistor is connected with the first gear transmission mechanism, the resistance value of the first adjustable resistor is driven by the first gear transmission mechanism to change, and the resistance value of the first adjustable resistor is used for determining the rotation angle of the first display screen relative to the rotating shaft.
According to a second aspect of the present disclosure, there is provided an electronic apparatus, comprising:
a rotating shaft;
the first display screen is connected with the rotating shaft and can rotate around the rotating shaft;
the belt transmission mechanism is respectively connected with the rotating shaft and the first display screen;
the first adjustable resistor is a rotary adjustable resistor, the first adjustable resistor is connected with the belt transmission mechanism, the resistance value of the first adjustable resistor is changed under the driving of the belt transmission mechanism, and the resistance value of the first adjustable resistor is used for determining the rotation angle of the first display screen relative to the rotating shaft.
According to a third aspect of the present disclosure, there is provided an electronic apparatus including:
a rotating shaft;
the first display screen is connected with the rotating shaft and can rotate around the rotating shaft;
the connecting rod transmission mechanism is respectively connected with the rotating shaft and the first display screen;
the first adjustable resistor is a sliding adjusting resistor, the first adjustable resistor is connected with the connecting rod transmission mechanism, the resistance value of the first adjustable resistor is changed under the driving of the gear transmission mechanism, and the resistance value of the first adjustable resistor is used for determining the rotation angle of the first display screen relative to the rotating shaft.
The electronic equipment provided by the embodiment of the disclosure, the first display screen is rotatably connected with the rotating shaft, the resistance value of the first adjustable resistor changes in response to the rotation of the first display screen, the measurement of the rotation angle of the electronic equipment is realized by detecting the resistance value of the first adjustable resistor, the structure is simple and easy to realize, the detection precision is high, and no measurement dead angle exists.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
Fig. 1 is a schematic diagram of a first electronic device provided in an exemplary embodiment of the present disclosure;
fig. 2 is a schematic diagram of a second electronic device provided in an exemplary embodiment of the present disclosure;
fig. 3 is a schematic diagram of a third electronic device provided in an exemplary embodiment of the disclosure;
fig. 4 is a schematic diagram of a fourth electronic device provided in an exemplary embodiment of the present disclosure;
fig. 5 is a schematic diagram of a fifth electronic device provided in an exemplary embodiment of the disclosure;
fig. 6 is a schematic diagram of a sixth electronic device provided in an exemplary embodiment of the disclosure;
fig. 7 is a schematic diagram of a seventh electronic device provided in an exemplary embodiment of the disclosure;
fig. 8 is a schematic diagram of an eighth electronic device provided in an exemplary embodiment of the present disclosure;
fig. 9 is a schematic diagram of a ninth electronic device provided in an exemplary embodiment of the disclosure;
FIG. 10 is a schematic diagram of an angle detection circuit provided in an exemplary embodiment of the present disclosure;
FIG. 11 is a schematic diagram of another angle detection circuit provided in an exemplary embodiment of the present disclosure;
fig. 12 is a flowchart of an angle detection method provided in an exemplary embodiment of the present disclosure;
fig. 13 is a flowchart of another angle detection method according to an exemplary embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
At least one flexible screen is adopted in the folding screen electronic equipment, and the flexible screen can be bent at a rotating shaft, so that the folding of the electronic equipment is realized. For example, the electronic device may include a first housing and a second housing, the first housing and the second housing being connected by a rotating shaft, the first housing being capable of rotating around the rotating shaft, the second housing being fixedly connected with the rotating shaft; or the first shell and the second shell are both rotationally connected with the rotating shaft. The flexible screen covers on first casing and second casing, and first casing and the flexible screen that corresponds with first casing form first display screen, and the second casing and the flexible screen that corresponds with the second casing form the second display screen.
An exemplary embodiment of the present disclosure first provides an electronic device, as shown in fig. 1, the electronic device including: the display device comprises a rotating shaft 110, a first display screen 120 and a first angle measuring device 130, wherein the first display screen 120 is connected with the rotating shaft 110, and the first display screen 120 can rotate around the rotating shaft 110; the first angle measuring device 130 is provided with a first adjustable resistor 131, a resistance value of the first adjustable resistor 131 changes in response to the rotation of the first display screen 120, and the resistance value of the first adjustable resistor 131 is used for determining the rotation angle of the first display screen 120 relative to the rotating shaft 110.
According to the electronic device provided by the embodiment of the disclosure, the first display screen 120 is rotatably connected with the rotating shaft 110, the resistance value of the first adjustable resistor 131 changes in response to the rotation of the first display screen 120, and the measurement of the rotation angle of the electronic device is realized by detecting the resistance value of the first adjustable resistor 131, so that the electronic device is simple in structure, easy to realize, high in detection precision and free of measurement dead angles.
Further, as shown in fig. 10, the electronic device according to the embodiment of the disclosure may further include an angle detection circuit 160 and a control module (not shown in the figure), where the angle detection circuit 160 is connected to the first adjustable resistor 131, and the angle detection circuit 160 is configured to detect a resistance value of the first adjustable resistor 131. The control module is connected to the angle detection circuit 160, and the control module is configured to determine a rotation angle of the first display screen 120 according to the resistance of the first adjustable resistor 131, and determine a rotation speed of the first display screen 120 according to a variation rate of the resistance of the first adjustable resistor 131.
The angle detection circuit 160 and the control module detect the resistance value of the first adjustable resistor 131, determine the rotation angle of the first display screen 120 according to the resistance value of the first adjustable resistor 131, and determine the rotation speed of the first display screen 120 according to the variation rate of the resistance value of the first adjustable resistor 131, so that the detection of the rotation angle and the rotation speed of the first display screen 120 is realized.
The following describes portions of an electronic device provided in an embodiment of the present disclosure in detail:
the first shell and the screen corresponding to the first shell form a first accommodating space, and devices such as a circuit board, a battery and a sensor are arranged in the first accommodating space. The second shell and the screen corresponding to the second shell form a second accommodating space, and a circuit board, a battery, a sensor and other devices are arranged in the second accommodating space.
As shown in fig. 1, the first angle measuring device 130 includes: the first adjustable resistor 131 is connected to the first transmission mechanism, and the first transmission mechanism is used to drive the first adjustable resistor 131 when the first screen rotates, so as to change the resistance of the first adjustable resistor 131.
The first adjustable resistor 131 may be disposed on the rotating shaft 110, or the first adjustable resistor 131 may also be disposed on the first display screen 120. When the first adjustable resistor 131 is disposed on the rotating shaft 110, the first transmission mechanism may connect the first adjustable resistor 131 and the first display screen 120, and when the first display screen 120 rotates relative to the rotating shaft 110, the first transmission mechanism drives the first adjustable resistor 131 to move under the driving of the first display screen 120, so as to change the resistance of the first adjustable resistor 131. When the first adjustable resistor 131 is disposed on the first display screen 120, the first transmission mechanism may be connected to the first adjustable resistor 131 and the rotating shaft 110, and when the first display screen 120 rotates relative to the rotating shaft 110, the first transmission mechanism drives the first adjustable resistor 131 to move under the driving of the rotating shaft 110, so as to change the resistance of the first adjustable resistor 131.
In a possible embodiment of the present disclosure, the first adjustable resistor 131 is a rotation adjustable resistor, the first adjustable resistor 131 is disposed on the first display screen 120, the first transmission mechanism is a first gear transmission structure 301, the first gear transmission structure 301 includes a first engaging tooth 34 and a second engaging tooth 33, and the first engaging tooth 34 is disposed on the rotating shaft 110; the second engaging tooth 33 is disposed on the first adjustable resistor 131, the second engaging tooth 33 is engaged with the first engaging tooth 34, and the second engaging tooth 33 drives the first adjustable resistor 131 to rotate when the first display screen 120 rotates around the rotating shaft 110.
The first engaging tooth 34 is disposed on the surface of the rotating shaft 110, and the rotating shaft 110 can be sleeved with the first engaging tooth 34. Alternatively, the first engaging tooth 34 may be integrally formed with the rotating shaft 110, for example, the first engaging tooth 34 may be formed on the surface of the rotating shaft 110 by means of gear shaping.
The first adjustable resistor 131 is disposed in the accommodating cavity inside the first display screen 120. The first adjustable resistor 131 may include a fixed portion 31 and a rotating portion 32, the fixed portion 31 is fixedly connected to the accommodating cavity of the first display screen 120, the rotating portion 32 is rotatably connected to the fixed portion 31, and the rotating portion 32 can rotate relative to the fixed portion 31. The second engaging teeth 33 are disposed on the rotating portion 32, and the second engaging teeth 33 can be sleeved on the rotating portion 32. Alternatively, the second engagement teeth 33 may be formed integrally with the rotating portion 32, and the second engagement teeth 33 may be formed on the surface of the rotating portion by means of slotting, for example.
Illustratively, the fixed portion 31 is provided with a circular arc-shaped resistor strip. The rotating part 32 is slidably connected with the resistor strip. One end of the resistor strip is connected with a power supply end, and the rotating part 32 is an output end. When the rotating portion 32 rotates relative to the fixed portion 31, the contact position between the rotating portion 32 and the resistor strip changes, and the resistance value of the first adjustable resistor 131 changes.
The first display screen 120 may include a display area and a non-display area, for example, the non-display area is disposed near the frame in the first display screen 120. The non-display area appears as a black border in the electronic device, and the first adjustable resistor 131 may be disposed in the non-display area, for example, the first adjustable resistor 131 may be disposed on the back of the upper frame of the first display screen 120, or the first adjustable resistor 131 may be disposed on the back of the lower frame of the first display screen 120.
Of course, in practical applications, the first transmission mechanism may also include a first damping surface and a second damping surface, and the first damping surface is disposed on the rotating shaft 110. The second damping surface is arranged on the first adjustable resistor 131, the first damping surface is matched with the second damping surface, and when the first display screen 120 rotates relative to the rotating shaft 110, the first damping surface and the second damping surface drive the first adjustable resistor 131 to rotate due to friction force, so that the resistance value of the first adjustable resistor 131 is adjusted. The first adjustable resistor 131 may include a fixed portion 31 and a rotating portion 32, the fixed portion 31 is fixedly connected to the accommodating cavity of the first display screen 120, the rotating portion 32 is rotatably connected to the fixed portion 31, and the rotating portion 32 can rotate relative to the fixed portion 31. The first damping surface is disposed on the surface of the rotating shaft 110, and the second damping surface is disposed on the rotating portion 32.
Or as shown in fig. 2, the first adjustable resistor 131 is a rotation adjustable resistor, the first adjustable resistor 131 is disposed on the rotating shaft 110, the first transmission mechanism is a gear transmission mechanism 301, the gear transmission mechanism 301 includes a first driving shaft 38 and a second engaging tooth 33, the first driving shaft 38 is disposed on the first display screen 120, and the first driving shaft 38 is provided with a first engaging tooth 34; the second engaging tooth 33 is disposed on the first adjustable resistor 131, the second engaging tooth 33 is engaged with the first engaging tooth 34, and the second engaging tooth 33 drives the first adjustable resistor 131 to rotate when the first display screen 120 rotates around the rotating shaft 110.
Wherein a first drive shaft 38 may be disposed in the cavity within the first display screen 120, the first drive shaft 38 being rotatably coupled to the housing. The first engaging teeth 34 are disposed on the first driving shaft 38, and the first engaging teeth 34 can be sleeved on the first driving shaft 38. Alternatively, the first engagement teeth 34 may be integrally formed with the first drive shaft 38, for example, the first engagement teeth 34 may be formed on the surface of the first drive shaft 38 by means of gear shaping.
The first adjustable resistor 131 may include a fixed portion 31 and a rotating portion 32, the rotating portion 32 is rotatably connected to the fixed portion 31, and the rotating portion 32 is rotatable with respect to the fixed portion 31. The second engaging teeth 33 are disposed on the rotating portion 32, and the second engaging teeth 33 can be sleeved on the rotating portion 32. Alternatively, the second engagement teeth 33 may be formed integrally with the rotating portion 32, and the second engagement teeth 33 may be formed on the surface of the rotating portion by means of slotting, for example.
For example, a cavity may be disposed on the rotating shaft 110, and the first adjustable resistor 131 is disposed in the cavity of the rotating shaft 110. The fixing portion 31 is fixedly connected to the cavity of the rotating shaft 110, and is fixedly provided with a circular arc-shaped resistor strip. The rotating part 32 is slidably connected with the resistor strip. One end of the resistor strip is connected with a power supply end, and the rotating part 32 is an output end. When the rotating portion 32 rotates relative to the fixed portion 31, the contact position between the rotating portion 32 and the resistor strip changes, and the resistance value of the first adjustable resistor 131 changes.
Alternatively, as shown in fig. 3, the first adjustable resistor 131 is a rotation adjusting resistor, the first adjustable resistor 131 is disposed on the first display screen 120, the first transmission mechanism may be a belt transmission mechanism (not shown), the belt transmission mechanism includes a transmission belt 35, and the transmission belt 35 is sleeved on the rotating shaft 110 and the first adjustable resistor 131 to drive the first adjustable resistor 131 to rotate when the first display screen 120 rotates around the rotating shaft 110.
The first adjustable resistor 131 is disposed in the accommodating cavity inside the first display screen 120. The first adjustable resistor 131 may include a fixed portion 31 and a rotating portion 32, the fixed portion 31 is fixedly connected to the accommodating cavity of the first display screen 120, the rotating portion 32 is rotatably connected to the fixed portion 31, and the rotating portion 32 can rotate relative to the fixed portion 31. The belt 35 is sleeved on the rotating portion 32, and the belt 35 is tensioned between the rotating portion 32 and the rotating shaft 110.
Illustratively, the fixed portion 31 is provided with a circular arc-shaped resistor strip. The rotating part 32 is slidably connected with the resistor strip. One end of the resistor strip is connected with a power supply end, and the rotating part 32 is an output end. When the rotating portion 32 rotates relative to the fixed portion 31, the contact position between the rotating portion 32 and the resistor strip changes, and the resistance value of the first adjustable resistor 131 changes.
The first display screen 120 may include a display area and a non-display area, for example, the non-display area is disposed near the frame in the first display screen 120. The non-display area appears as a black border in the electronic device, and the first adjustable resistor 131 may be disposed in the non-display area, for example, the first adjustable resistor 131 may be disposed on the back of the upper frame of the first display screen 120, or the first adjustable resistor 131 may be disposed on the back of the lower frame of the first display screen 120.
It is understood that the first adjustable resistor 131 may also be disposed on the rotating shaft 110, and the belt transmission mechanism may include a first transmission shaft and a transmission belt 35, the first transmission shaft is disposed in the accommodating cavity of the first display screen 120, and the first transmission shaft is rotatably connected to the housing. The transmission belt 35 is sleeved on the first transmission shaft and the rotating portion 32 of the first adjustable resistor 131.
In the embodiment of the present disclosure, in order to ensure the accuracy of the transmission, the transmission belt 35 may be a synchronous belt, and on the basis of this, the surfaces of the rotating shaft 110 and the first adjustable resistor 131 may be machined with synchronous belt gear teeth.
In another possible embodiment of the present disclosure, as shown in fig. 4, the first adjustable resistor 131 is a sliding adjustable resistor, the first adjustable resistor 131 is disposed on the first display screen 120, the first transmission mechanism may be a link transmission mechanism (not shown), the link transmission mechanism includes a transmission rod assembly 37, and the transmission rod assembly 37 is respectively connected to the rotating shaft 110 and the first adjustable resistor 131 to drive the first adjustable resistor 131 to slide when the first display screen 120 rotates around the rotating shaft 110.
The first adjustable resistor 131 is disposed in the accommodating cavity inside the first display screen 120. The first adjustable resistor 131 may include a fixing portion 31 and a sliding portion 36, the fixing portion 31 is fixedly connected to the accommodating cavity in the first display screen 120, the sliding portion 36 is slidably connected to the fixing portion 31, and the sliding portion 36 is capable of sliding relative to the fixing portion 31. The first transfer lever assembly 37 is connected to the slide 36.
Illustratively, the fixed portion 31 is provided with a linear resistor strip. The sliding part 36 is connected with the resistor strip in a sliding way. One end of the resistor strip is connected to a power supply terminal, and the sliding part 36 is an output terminal. When the sliding part 36 slides relative to the fixed part 31, the contact position of the sliding part 36 and the resistor strip changes, and the resistance value of the first adjustable resistor 131 changes.
The first display screen 120 may include a display area and a non-display area, for example, the non-display area is disposed near the frame in the first display screen 120. The non-display area is represented as a black border in the electronic device, and the first adjustable resistor 131 and the first transmission component may be disposed in the non-display area, for example, the first adjustable resistor 131 and the first transmission component may be disposed on the back of the upper frame of the first display screen 120, or the first adjustable resistor 131 and the first transmission component may be disposed on the back of the lower frame of the first display screen 120.
The transmission rod assembly 37 may be a crank-slider mechanism, and in practical applications, the rotating shaft 110 may be used as a crank, and the sliding portion 36 of the first adjustable resistor 131 may be used as a slider, so that in practical applications, the transmission rod assembly 37 may include a connecting rod, one end of the connecting rod is hinged to the rotating shaft 110, and the other end of the connecting rod is hinged to the sliding portion 36 of the first adjustable resistor 131. Of course, in practical applications, the transmission rod assembly 37 may also include a plurality of connecting rods, etc., and the disclosed embodiment is not limited thereto.
In the embodiment of the present disclosure, the control module and the angle detection circuit 160 may detect a current resistance value of the first adjustable resistor 131. The resistance value of the first adjustable resistor 131 corresponds to the rotation angle of the first display screen 120, so that the rotation angle of the first display screen 120 can be determined by the resistance value of the first adjustable resistor 131. Further, the control module and the angle detection circuit 160 may also detect a resistance change rate of the first adjustable resistor 131, and the rotation speed of the first display screen 120 can be determined according to the change rate of the first adjustable resistor 131.
It is understood that, as shown in fig. 5, in the embodiment of the present disclosure, the first angle measuring device 130 may also include a first adjustable resistor 131, the first adjustable resistor 131 includes a rotating portion 32 and a fixed portion 31, the rotating portion 32 is rotatably connected to the fixed portion 31, the rotating portion 32 is connected to the rotating shaft 110, and the fixed portion 31 is fixedly connected to the first display screen 120.
Illustratively, the rotating part 32 and the fixing part 31 are both ring-shaped structures, the rotating part 32 is arranged in an inner ring of the fixing part 31, the rotating shaft 110 is arranged through the rotating part 32, and a circumferential positioning device is arranged between the rotating shaft 110 and the rotating part 32, so that the rotating part 32 can rotate together with the rotating shaft 110. For example, the circumferential positioning device is a positioning key or a positioning hole. The fixed portion 31 may be fixedly connected to the housing of the first display screen 120, so that when the first display screen 120 rotates relative to the rotating shaft 110, the rotating portion 32 rotates relative to the fixed portion 31, and the resistance of the first adjustable resistor 131 is adjusted.
When the first display screen 120 and the second display screen 140 are both rotatably connected to the rotating shaft 110, as shown in fig. 6, the electronic device further includes a second angle measuring device 150, a second adjustable resistor 151 is disposed in the second angle measuring device 150, a resistance value output by the second adjustable resistor 151 changes with the rotation of the second display screen 140, and a resistance value output by the second adjustable resistor 151 is used to determine a rotation angle of the second display screen 140 with respect to the rotating shaft 110.
The second shell and the screen corresponding to the second shell form a second accommodating space, and devices such as a circuit board, a battery and a sensor are arranged in the second accommodating space. The second shell and the screen corresponding to the second shell form a second accommodating space, and a circuit board, a battery, a sensor and other devices are arranged in the second accommodating space.
The second angle measuring device 150 includes: the second adjustable resistor 151 is connected to a second transmission mechanism, and the second transmission mechanism is used for driving the second adjustable resistor 151 when the second screen rotates, so as to change the resistance of the second adjustable resistor 151.
The second adjustable resistor 151 may be disposed on the rotating shaft 110, or the second adjustable resistor 151 may also be disposed on the second display screen 140. When the second adjustable resistor 151 is disposed on the rotating shaft 110, the second transmission mechanism may be connected to the second adjustable resistor 151 and the second display screen 140, and when the second display screen 140 rotates relative to the rotating shaft 110, the second transmission mechanism is driven by the second display screen 140 to drive the second adjustable resistor 151 to move, so as to change the resistance of the second adjustable resistor 151. When the second adjustable resistor 151 is disposed on the second display screen 140, the second transmission mechanism may be connected to the second adjustable resistor 151 and the rotating shaft 110, and when the second display screen 140 rotates relative to the rotating shaft 110, the second transmission mechanism drives the second adjustable resistor 151 to move under the driving of the rotating shaft 110, so as to change the resistance of the second adjustable resistor 151.
In a possible embodiment of the present disclosure, as shown in fig. 7, the second adjustable resistor 151 is a rotation adjustable resistor, the second adjustable resistor 151 is disposed on the second display screen 140, the second transmission mechanism is a second gear transmission mechanism 152 including a third engaging tooth and a fourth engaging tooth, and the third engaging tooth is disposed on the rotating shaft 110; the fourth engaging tooth is disposed on the second adjustable resistor 151, the fourth engaging tooth is engaged with the third engaging tooth, and the fourth engaging tooth drives the second adjustable resistor 151 to rotate when the second display screen 140 rotates around the rotating shaft 110.
The third engaging teeth are disposed on the surface of the rotating shaft 110, and the rotating shaft 110 can be sleeved with the third engaging teeth. Or the third engaging teeth may be formed integrally with the rotating shaft 110, for example, the third engaging teeth may be formed on the surface of the rotating shaft 110 by means of gear shaping.
The second adjustable resistor 151 is disposed in the accommodating cavity inside the second display screen 140. The second adjustable resistor 151 may include a fixed portion fixedly connected in the receiving cavity in the second display screen 140 and a rotating portion rotatably connected to the fixed portion, and the rotating portion may be capable of rotating with respect to the fixed portion. The fourth meshing tooth is arranged on the rotating portion, and the rotating portion can be sleeved with the fourth meshing tooth. Or the fourth tooth 3 may be formed integrally with the rotating part, for example, by means of a gear shaping method.
Illustratively, the fixed part is provided with a circular arc-shaped resistor strip. The rotating part is connected with the resistor strip in a sliding way. One end of the resistor strip is connected with a power supply end, and the rotating part is an output end. When the rotating part 32 rotates relative to the fixed part, the contact position of the rotating part and the resistor strip changes, and the resistance value of the second adjustable resistor 151 changes.
The second display screen 140 may include a display area and a non-display area, for example, the non-display area is disposed near the frame in the second display screen 140. The non-display area appears as a black border in the electronic device, and the second adjustable resistor 151 may be disposed in the non-display area, for example, the second adjustable resistor 151 may be disposed on the back of the upper frame of the second display screen 140, or the second adjustable resistor 151 may be disposed on the back of the lower frame of the second display screen 140.
In practical applications, the second transmission mechanism may also include a third damping surface and a fourth damping surface, and the third damping surface is disposed on the rotating shaft 110. The fourth damping surface is disposed on the second adjustable resistor 151, and the third damping surface and the fourth damping surface are matched, so that when the second display screen 140 rotates relative to the rotating shaft 110, the third damping surface and the fourth damping surface drive the second adjustable resistor 151 to rotate due to friction, and the resistance of the second adjustable resistor 151 is adjusted. The second adjustable resistor 151 may include a fixed portion fixedly connected to the receiving cavity in the second display screen 140 and a rotating portion rotatably connected to the fixed portion, and the rotating portion 32 may be capable of rotating relative to the fixed portion. The third damping surface is arranged on the surface of the rotating shaft 110, and the fourth damping surface is arranged on the rotating part.
Or as shown in fig. 2, the second adjustable resistor 151 is a rotation adjustable resistor, the second adjustable resistor 151 is disposed on the rotating shaft 110, the second gear transmission mechanism includes a second driving shaft and a fourth engaging tooth, the second driving shaft is disposed on the second display screen 140, and the second driving shaft is provided with a third engaging tooth; the fourth engaging tooth is disposed on the second adjustable resistor 151, the fourth engaging tooth is engaged with the third engaging tooth, and the fourth engaging tooth drives the second adjustable resistor 151 to rotate when the second display screen 140 rotates around the rotating shaft 110.
Wherein a second drive shaft may be disposed in a cavity within the second display screen 140, the second drive shaft being rotatably coupled to the housing. The third engaging teeth are disposed on the first driving shaft 38, and the third engaging teeth can be sleeved on the second driving shaft. Alternatively, the third engagement teeth may be formed integrally with the second drive shaft, for example, by slotting on the surface of the second drive shaft.
The second adjustable resistor 151 may include a fixed portion and a rotating portion, the rotating portion is rotatably connected to the fixed portion, and the rotating portion is capable of rotating with respect to the fixed portion. The fourth meshing tooth is arranged on the rotating portion, and the rotating portion can be sleeved with the fourth meshing tooth. Or the fourth tooth may be formed integrally with the rotating portion, for example, the fourth tooth may be formed on the rotating surface by means of gear shaping.
For example, a cavity may be disposed on the rotating shaft 110, and the second adjustable resistor 151 may be disposed in the cavity on the rotating shaft 110. The fixing part is fixedly connected in the cavity of the rotating shaft 110 and is fixedly provided with a circular arc-shaped resistor strip. The rotating part is connected with the resistor strip in a sliding way. One end of the resistor strip is connected with a power supply end, and the rotating part is an output end. When the rotating part rotates relative to the fixed part, the contact position between the rotating part and the resistor strip changes, and the resistance value of the second adjustable resistor 151 changes.
Alternatively, as shown in fig. 8, the second adjustable resistor 151 is a rotation adjusting resistor, the second adjustable resistor 151 is disposed on the second display screen 140, and the second transmission mechanism is a belt transmission mechanism, the belt transmission mechanism includes a transmission belt 55, and the transmission belt 55 is sleeved on the rotating shaft 110 and the second adjustable resistor 151, so as to drive the second adjustable resistor 151 to rotate when the second display screen 140 rotates around the rotating shaft 110.
The second adjustable resistor 151 is disposed in the accommodating cavity inside the second display screen 140. The second adjustable resistor 151 may include a fixed portion fixedly connected in the receiving cavity in the second display screen 140 and a rotating portion rotatably connected to the fixed portion, and the rotating portion may be capable of rotating with respect to the fixed portion. The belt is fitted over the turning portion, and the belt 35 is tensioned between the turning portion and the rotary shaft 110.
Illustratively, the fixed part is provided with a circular arc-shaped resistor strip. The rotating part is connected with the resistor strip in a sliding way. One end of the resistor strip is connected with a power supply end, and the rotating part is an output end. When the rotating part rotates relative to the fixed part, the contact position between the rotating part and the resistor strip changes, and the resistance value of the second adjustable resistor 151 changes.
The second display screen 140 may include a display area and a non-display area, for example, the non-display area is disposed near the frame in the second display screen 140. The non-display area appears as a black border in the electronic device, and the second adjustable resistor 151 may be disposed in the non-display area, for example, the second adjustable resistor 151 may be disposed on the back of the upper frame of the second display screen 140, or the second adjustable resistor 151 may be disposed on the back of the lower frame of the second display screen 140.
It is understood that the second adjustable resistor 151 may also be disposed on the rotating shaft 110, and in this case, the second transmission mechanism may include a second transmission shaft and the transmission belt 55, the second transmission shaft is disposed in the accommodating cavity in the second display screen 140, and the second transmission shaft is rotatably connected to the housing. The transmission belt is sleeved on the second transmission shaft and the rotation part of the second adjustable resistor 151.
In the embodiment of the present disclosure, in order to ensure the accuracy of the transmission, the transmission belt may be a synchronous belt, and on the basis of this, synchronous belt gear teeth may be machined on the surfaces of the rotating shaft 110 and the second adjustable resistor 151.
In another possible embodiment of the present disclosure, as shown in fig. 9, the second adjustable resistor 151 is a sliding adjustable resistor, the second adjustable resistor 151 is disposed on the second display screen 140, the second transmission mechanism is a link transmission mechanism, the link transmission mechanism includes a transmission rod assembly 57, and the transmission rod assembly 57 is respectively connected to the rotating shaft 110 and the second adjustable resistor 151, so as to drive the second adjustable resistor 151 to slide when the second display screen 140 rotates around the rotating shaft 110.
The second adjustable resistor 151 is disposed in the accommodating cavity inside the second display screen 140. The second adjustable resistor 151 may include a fixed portion fixedly connected in the receiving cavity of the second display screen 140 and a sliding portion slidably connected to the fixed portion, and the sliding portion is capable of sliding relative to the fixed portion. The second drive rod assembly is connected to the slide.
Illustratively, the fixed portion is provided with a linear resistor strip. The sliding part is connected with the resistor strip in a sliding manner. One end of the resistor strip is connected with a power supply end, and the sliding part is an output end. When the sliding part 36 slides relative to the fixed part, the contact position of the sliding part and the resistor strip changes, and the resistance value of the second adjustable resistor 151 changes.
The second display screen 140 may include a display area and a non-display area, for example, the non-display area is disposed near the frame in the second display screen 140. The non-display area appears as a black border in the electronic device, and the second adjustable resistor 151 and the second driving rod assembly 57 may be disposed in the non-display area, for example, the second adjustable resistor 151 and the second driving rod assembly 57 may be disposed on the back of the upper frame of the second display screen 140, or the second adjustable resistor 151 and the second driving rod assembly 57 may be disposed on the back of the lower frame of the second display screen 140.
The driving rod assembly may be a crank-slider mechanism, and in practical applications, the rotating shaft 110 may be used as a crank, and the sliding portion of the second adjustable resistor 151 may be used as a slider, so that in practice, the driving rod assembly may include a connecting rod, one end of the connecting rod is hinged to the rotating shaft 110, and the other end of the connecting rod is hinged to the sliding portion of the second adjustable resistor 151. Of course, in practical applications, the transmission rod assembly may also include a plurality of connecting rods, etc., and the embodiments of the present disclosure are not limited thereto.
It is understood that, in the embodiment of the present disclosure, the second angle measuring device 150 may also include a second adjustable resistor 151, and the second adjustable resistor 151 includes a rotating portion and a fixed portion, the rotating portion is rotatably connected to the fixed portion, the rotating portion is connected to the rotating shaft 110, and the fixed portion is fixedly connected to the second display screen 140.
Illustratively, the rotating part and the fixed part are both ring-shaped structures, and the rotating part is arranged in the inner ring of the fixed part, the rotating shaft 110 is arranged through the rotating part, and a circumferential positioning device is arranged between the rotating shaft 110 and the rotating part, so that the rotating part and the rotating shaft 110 can rotate together. For example, the circumferential positioning device is a positioning key or a positioning hole. The fixed portion may be fixedly connected to the housing of the second display screen 140, so that when the second display screen 140 rotates relative to the rotating shaft 110, the rotating portion rotates relative to the fixed portion, and the resistance of the second adjustable resistor 151 is adjusted.
In the embodiment of the present disclosure, the first angle measuring device 130 is disposed at one end of the rotating shaft 110, and the second angle measuring device 150 is disposed at the other end of the rotating shaft 110. For example, the first angle measuring device 130 is located at the upper end of the rotating shaft 110, and the second angle measuring device 150 is located at the lower end of the rotating shaft 110.
In the embodiment of the present disclosure, the first angle measuring device 130 is located in the non-display region of the first display screen 120, and the second angle measuring device 150 is located in the non-display region of the second display screen 140. A first mounting portion may be disposed in the non-display area of the first display 120, and a first gap is disposed at a position corresponding to the driving circuit layer of the first display 120. A second mounting portion may be disposed in the non-display area of the second display screen 140, and a second notch is disposed at a position corresponding to the driving circuit layer of the second display screen 140. For example, at a position close to the rotating shaft 110 in the upper black edge area of the first display screen 120, the driving circuit layer is removed to form a first gap, and the first angle measuring device 130 is disposed in the first gap; the driving circuit layer is removed at a position close to the rotation shaft 110 in the lower black edge region of the second display screen 140 to form a second gap, and the second angle measuring device 150 is disposed in the second gap. Therefore, the gap of the black edge area of the display screen can be utilized, the space in the thickness of the electronic equipment is increased, the arrangement of the angle measuring device is facilitated, and meanwhile, the thickness of the electronic equipment is also controlled.
It should be noted that, in the embodiment of the present disclosure, the structures of the first angle measuring device 130 and the second angle measuring device 150 may be the same or different, and the embodiment of the present disclosure is not particularly limited to this. For example, the first adjustable resistor 131 is a rotary adjustable resistor, and the second adjustable resistor 151 is also a rotary adjustable resistor; alternatively, the first adjustable resistor 131 is a rotary adjustable resistor, and the second adjustable resistor 151 is a sliding adjustable resistor, etc.
The angle detection circuit 160 is connected to the first adjustable resistor 131 and the second adjustable resistor 151, and the angle detection circuit 160 is configured to detect a resistance value of the first adjustable resistor 131 and a resistance value of the second adjustable resistor 151, respectively.
As shown in fig. 10, the angle detection circuit 160 may include a first voltage detection module 162, the first voltage detection module 162 is connected to the adjustment end of the first adjustable resistor 131, the first end of the first adjustable resistor 131 is connected to the power source, and the second end of the first adjustable resistor 131 is connected to the ground.
At this time, the point C is grounded, the point A is given a reference voltage, and only V is measuredBCan easily calculate RABAnd RBCTherefore, the rotation angle of the rotating shaft 110 can be calculated by mapping the resistance and the rotation angle, and the opening and closing angle of the screen can be further corresponded.
Alternatively, the first adjustable resistor 131 has a first terminal, a second terminal and an adjusting terminal, as shown in fig. 11, the angle detecting circuit 160 may include: a first pull-up resistor 161 and a first voltage detection module 162, wherein a first end of the first pull-up resistor 161 is connected with a power supply terminal; the first voltage detection module 162 is connected to the second end of the first pull-up resistor 161, the first end of the first adjustable resistor 131 is connected to the second end of the first pull-up resistor 161, and the adjustment end of the first adjustable resistor 131 is grounded.
At this time, the point B is grounded, and the point A or the point C is externally connected with a pull-up resistor to a reference voltage Vref, wherein only the point A and the point B (the point C and the point B) are assumed to be usedThe same is true for the dots). Only need to measure VACan easily calculate RABAnd RBCTherefore, the rotation angle of the rotating shaft 110 can be calculated by mapping the resistance and the rotation angle, and the opening and closing angle of the screen can be further corresponded.
The second adjustable resistor 151 has a first end, a second end and an adjusting end, and the angle detecting circuit 160 may include a second voltage detecting module, the second voltage detecting module is connected to the adjusting end of the second adjustable resistor 151, the first end of the second adjustable resistor 151 is connected to the power source end, and the second end of the second adjustable resistor 151 is grounded.
Alternatively, the second adjustable resistor 151 has a first terminal, a second terminal and an adjusting terminal, and the angle detecting circuit 160 may include: the first end of the second pull-up resistor is connected with a power supply end; the second voltage detection module is connected to the second end of the second pull-up resistor, the first end of the second adjustable resistor 151 is connected to the second end of the second pull-up resistor, and the adjustment end of the second adjustable resistor 151 is grounded.
In the embodiment of the disclosure, when the first adjustable resistor 131 is a rotary adjustable resistor, the adjusting end of the first adjustable resistor 131 is disposed on the rotating portion 32, and the first end and the second end of the first adjustable resistor 131 are disposed on the fixing portion 31 (for example, the first end may be one end of a resistor strip, and the second end may be the other end of the resistor strip). When the first adjustable resistor 131 is a sliding resistor, the adjusting end of the first adjustable resistor 131 is disposed on the sliding portion 36, and the first end and the second end of the first adjustable resistor 131 are disposed on the fixing portion 31 (for example, the first end may be one end of a resistor strip, and the second end may be the other end of the resistor strip).
In the embodiment of the disclosure, when the second adjustable resistor 151 is a rotary adjustable resistor, the adjusting end of the second adjustable resistor 151 is disposed on the rotating portion, and the first end and the second end of the second adjustable resistor 151 are disposed on the fixing portion (for example, the first end may be one end of a resistor strip, and the second end may be the other end of the resistor strip). When the second adjustable resistor 151 is a sliding resistor, the adjusting end of the second adjustable resistor 151 is disposed on the sliding portion, and the first end and the second end of the second adjustable resistor 151 are disposed on the fixing portion (for example, the first end may be one end of a resistor strip, and the second end may be the other end of the resistor strip).
For example, a signal leading-out circuit board may be disposed on the first adjustable resistor 131, the signal leading-out circuit board is disposed on the fixing portion 31 of the first adjustable resistor 131, and at least two signal lines are disposed on the signal leading-out circuit board, and are respectively connected to the first voltage detection module 162, so as to transmit the voltage signal output by the first adjustable resistor 131 to the first voltage detection module 162. The second adjustable resistor 151 may be provided with a signal leading-out circuit board, the signal leading-out circuit board is arranged on a fixing portion of the second adjustable resistor 151, the signal leading-out circuit board is provided with at least two signal lines, and the at least two signal lines are respectively connected with the second voltage detection module and used for transmitting the voltage signal output by the first adjustable resistor 131 to the second voltage detection module.
It should be noted that, in the embodiment of the present disclosure, the first display 120 and the second display 140 may also be connected to different rotation shafts, and the embodiment of the present disclosure is not limited thereto. In the embodiment of the present disclosure, the electronic device may be a mobile phone, a tablet computer, a notebook computer, a television, or a flexible wearable device.
The electronic device provided by the embodiment of the disclosure, the first display screen 120 is rotatably connected with the rotating shaft 110, the resistance value of the first adjustable resistor 131 changes in response to the rotation of the first display screen 120, by detecting the resistance value of the first adjustable resistor 131, and the second display screen 140 is rotatably connected with the rotating shaft 110, the resistance value of the second adjustable resistor 151 changes in response to the rotation of the second display screen 140, by detecting the resistance value of the second adjustable resistor 151, the measurement of the rotation angle of the electronic device is realized, the structure is simple and easy to realize, the detection precision is high, and no measurement dead angle exists.
The exemplary embodiment of the present disclosure also provides an angle detection method for an electronic device, as shown in fig. 12, the angle detection method may include the following steps:
step S110, acquiring a resistance value of a first adjustable resistor, wherein the first adjustable resistor is arranged on a first display screen or a rotating shaft, the first display screen is rotatably connected to the rotating shaft, and the resistance value of the first adjustable resistor changes in response to the rotation of the first display screen;
and step S120, determining the rotation angle of the first display screen relative to the rotating shaft according to the resistance value of the first adjustable resistor.
According to the angle detection method provided by the embodiment of the disclosure, the first display screen 120 is rotatably connected with the rotating shaft 110, the resistance value of the first adjustable resistor 131 changes in response to the rotation of the first display screen 120, and the measurement of the rotating angle of the electronic device is realized by detecting the resistance value of the first adjustable resistor 131, so that the angle detection method is simple in structure, easy to realize, high in detection precision and free of measurement dead angles.
Further, as shown in fig. 13, the angle detection method provided in the embodiment of the present disclosure may further include:
step S130, determining a rotation speed of the first display screen relative to the rotation shaft according to a variation rate of the resistance value of the first adjustable resistor.
The angle detection method provided by the embodiment of the present disclosure will be described in detail below, and the angle detection method provided by the embodiment of the present disclosure may be used in the electronic device described above, and details about the electronic device are described in the above embodiment and are not repeated herein.
In step S110, a resistance value of the first adjustable resistor 131 may be obtained, the first adjustable resistor 131 is disposed on the first display screen 120 or the rotating shaft 110, the first display screen 120 is rotatably connected to the rotating shaft 110, and the resistance value of the first adjustable resistor 131 changes in response to the rotation of the first display screen 120.
The resistance of the first adjustable resistor 131 can be obtained through the angle detection circuit 160 and the control module. And (4) an angle. The angle detection circuit 160 is connected to the first adjustable resistor 131, and for example, a circuit as shown in fig. 10 may be used to detect the resistance of the first adjustable resistor 131. The first adjustable resistor 131 has a first end, a second end and an adjustment end, and the angle detection circuit 160 may include a first voltage detection module 162, the first voltage detection module 162 is connected to the adjustment end of the first adjustable resistor 131, the first end of the first adjustable resistor 131 is connected to the power supply end, and the second end of the first adjustable resistor 131 is connected to the ground. Connecting point C to ground and point A to a reference voltage, as long as V is measuredBAt a voltage ofSo that R can be easily calculatedABAnd RBCTherefore, the rotation angle of the rotating shaft 110 can be calculated by mapping the resistance and the rotation angle, and the opening and closing angle of the screen can be further corresponded.
Alternatively, a circuit such as that shown in FIG. 11 may be used to detect the resistance of first tunable resistor 131. The first adjustable resistor 131 has a first terminal, a second terminal and an adjustment terminal, and the angle detection circuit 160 may include: a first pull-up resistor 161 and a first voltage detection module 162, wherein a first end of the first pull-up resistor 161 is connected with a power supply terminal; the first voltage detection module 162 is connected to the second end of the first pull-up resistor 161, the first end of the first adjustable resistor 131 is connected to the second end of the first pull-up resistor 161, and the adjustment end of the first adjustable resistor 131 is grounded. Point B is grounded and either point a or point C is connected externally to a pull-up resistor to a reference voltage Vref, assuming that only points a and B are used (the same is true for points C and B). Only need to measure VACan easily calculate RABAnd RBCTherefore, the rotation angle of the rotating shaft 110 can be calculated by mapping the resistance and the rotation angle, and the opening and closing angle of the screen can be further corresponded.
When the second display screen 140 and the rotating shaft 110 are also rotatably connected, the resistance of the second adjustable resistor 151 can be obtained, the second adjustable resistor 151 is disposed on the second display screen 140 or the rotating shaft 110, the second display screen 140 is rotatably connected to the rotating shaft 110, and the resistance of the second adjustable resistor 151 changes in response to the rotation of the second display screen 140.
In step S120, a rotation angle of the first display screen 120 relative to the rotation shaft 110 may be determined according to the resistance value of the first adjustable resistor 131.
In the rotation process of the first display screen 120, the rotation angle corresponds to the resistance value of the first adjustable resistor 131 one to one, so that the mapping relationship between the rotation angle and the first adjustable resistor 131, for example, a function or a table, may be stored in the control module, and the rotation angle is determined by a function calculation or a table lookup manner.
When the second display screen 140 is also rotatably connected to the rotating shaft 110, the rotation angle of the second display screen 140 relative to the rotating shaft 110 can be determined according to the resistance value of the second adjustable resistor 151. In the rotation process of the second display screen 140, the rotation angle corresponds to the resistance value of the second adjustable resistor 151 one to one, so that the mapping relationship between the rotation angle and the second adjustable resistor 151, such as a function or a table, may be stored in the control module, and the rotation angle may be determined by a function calculation or a table lookup.
In step S130, the rotation speed of the first display screen 120 relative to the rotation shaft 110 is determined according to the variation rate of the resistance of the first adjustable resistor 131.
Wherein, when detecting the resistance of the first adjustable resistor 131 through the angle detection circuit 160 and the control module, the time corresponding to the collected resistance is recorded, and the change rate of the resistance and the time can be calculated according to the change value of the resistance and the collection time of the resistance, so as to determine the rotation speed of the first display screen 120. In practical application, the rotating speed can be calculated according to the angle segments.
When the second display screen 140 is also rotatably connected to the rotating shaft 110, when the resistance value of the second adjustable resistor 151 is detected by the angle detection circuit 160 and the control module, the time corresponding to the collected resistance value is recorded at the same time, and the time-based change rate of the resistor can be calculated according to the change value of the resistor and the collection time of the resistor, so that the rotation speed of the second display screen 140 can be determined. In practical application, the rotating speed can be calculated according to the angle segments.
According to the angle detection method provided by the embodiment of the disclosure, the first display screen 120 is rotatably connected with the rotating shaft 110, the resistance value of the first adjustable resistor 131 changes in response to the rotation of the first display screen 120, and the measurement of the rotating angle of the electronic device is realized by detecting the resistance value of the first adjustable resistor 131, so that the angle detection method is simple in structure, easy to realize, high in detection precision and free of measurement dead angles.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims (10)

1. An electronic device, characterized in that the electronic device comprises:
a rotating shaft;
the first display screen is connected with the rotating shaft and can rotate around the rotating shaft;
the first gear transmission mechanism is respectively connected with the rotating shaft and the first display screen;
the first adjustable resistor is a rotary adjusting resistor, the first adjustable resistor is connected with the first gear transmission mechanism, the resistance value of the first adjustable resistor is driven by the first gear transmission mechanism to change, and the resistance value of the first adjustable resistor is used for determining the rotation angle of the first display screen relative to the rotating shaft.
2. The electronic device of claim 1, wherein the first adjustable resistor is disposed on the first display screen, and the first gear mechanism comprises:
the first meshing teeth are arranged on the rotating shaft;
and the second meshing teeth are arranged on the first adjustable resistor, are meshed with the first meshing teeth, and drive the first adjustable resistor to rotate when the first display screen rotates around the rotating shaft.
3. The electronic device of claim 1, wherein the first adjustable resistor is disposed on the shaft, and the first gear mechanism comprises:
the first driving shaft is arranged on the first display screen, and first meshing teeth are arranged on the first driving shaft;
and the second meshing teeth are arranged on the first adjustable resistor, are meshed with the first meshing teeth, and drive the first adjustable resistor to rotate when the first display screen rotates around the rotating shaft.
4. The electronic device of claim 2 or 3, wherein the first adjustable resistance comprises:
a fixed part;
the rotating part is rotatably connected to the fixing part, and the second meshing teeth are arranged on the rotating part.
5. The electronic device of claim 1, wherein the electronic device further comprises:
the second display screen is connected with the rotating shaft and can rotate around the rotating shaft;
the second gear transmission mechanism is respectively connected with the rotating shaft and the second display screen;
the second adjustable resistor is a rotary adjustable resistor, the second adjustable resistor is connected with the second gear transmission mechanism, the resistance value of the second adjustable resistor changes under the driving of the second gear transmission mechanism, and the resistance value of the second adjustable resistor is used for determining the rotation angle of the second display screen relative to the rotating shaft.
6. An electronic device, characterized in that the electronic device comprises:
a rotating shaft;
the first display screen is connected with the rotating shaft and can rotate around the rotating shaft;
the belt transmission mechanism is respectively connected with the rotating shaft and the first display screen;
the first adjustable resistor is a rotary adjustable resistor, the first adjustable resistor is connected with the belt transmission mechanism, the resistance value of the first adjustable resistor is changed under the driving of the belt transmission mechanism, and the resistance value of the first adjustable resistor is used for determining the rotation angle of the first display screen relative to the rotating shaft.
7. The electronic device of claim 6, wherein the first adjustable resistor is coupled to the first display screen, and wherein the belt drive mechanism comprises:
the transmission belt is sleeved on the rotating shaft and the first adjustable resistor so as to drive the first adjustable resistor to rotate when the first display screen rotates around the rotating shaft.
8. The electronic device of claim 7, wherein the first adjustable resistance comprises:
the fixing part is connected to the first display screen;
the rotating part is rotatably connected to the fixing part, and the transmission belt is sleeved on the rotating part.
9. An electronic device, characterized in that the electronic device comprises:
a rotating shaft;
the first display screen is connected with the rotating shaft and can rotate around the rotating shaft;
the connecting rod transmission mechanism is respectively connected with the rotating shaft and the first display screen;
the first adjustable resistor is a sliding adjusting resistor, the first adjustable resistor is connected with the connecting rod transmission mechanism, the resistance value of the first adjustable resistor is changed under the driving of the gear transmission mechanism, and the resistance value of the first adjustable resistor is used for determining the rotation angle of the first display screen relative to the rotating shaft.
10. The electronic device of claim 9, wherein the first adjustable resistor is disposed on the first display screen, and the link actuator comprises:
and the transmission rod is respectively connected with the rotating shaft and the first adjustable resistor so as to drive the first adjustable resistor to slide when the first display screen rotates around the rotating shaft.
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