CN114244941B - Electronic equipment - Google Patents

Electronic equipment Download PDF

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Publication number
CN114244941B
CN114244941B CN202210087969.1A CN202210087969A CN114244941B CN 114244941 B CN114244941 B CN 114244941B CN 202210087969 A CN202210087969 A CN 202210087969A CN 114244941 B CN114244941 B CN 114244941B
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CN
China
Prior art keywords
adjustable resistor
rotating shaft
display screen
resistor
transmission mechanism
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Active
Application number
CN202210087969.1A
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Chinese (zh)
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CN114244941A (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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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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Classifications

    • 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 invention 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 the first display screen 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 rotation 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 drive 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. Through detecting the resistance of the first adjustable resistor, the electronic equipment rotation angle is measured, the structure is simple and easy to realize, the detection precision is high, and no dead angle is measured.

Description

Electronic equipment
Technical Field
The disclosure relates to the technical field of electronic equipment, in particular to electronic equipment.
Background
As technology evolves and advances, folding screen electronic devices are increasingly beginning to be used. In the folding screen apparatus, it is necessary to detect a bending angle of the folding screen and control a display state of the folding screen according to a 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. There is a need for an apparatus and method for detecting the angle of rotation of a screen of a folding screen electronic device.
Disclosure of Invention
The purpose of the present disclosure is to provide an electronic device, and then to realize detection of a rotation angle of a 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 rotation 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 drive 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.
According to a second 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 belt 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 belt transmission mechanism, the resistance value of the first adjustable resistor is changed under the drive 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 device comprising:
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 drive 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 that this disclosed embodiment provided, first display screen and pivot rotate to be connected, and the resistance of first adjustable resistance responds the rotation of first display screen and changes, through detecting the resistance of first adjustable resistance, has realized the measurement to electronic equipment turned angle, and simple structure easily realizes to the detection precision is high, does not have the measurement dead angle.
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 disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.
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 by an exemplary embodiment of the present disclosure;
fig. 4 is a schematic diagram of a fourth electronic device provided by an exemplary embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a fifth electronic device provided by an exemplary embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a sixth electronic device provided by an exemplary embodiment of the present disclosure;
fig. 7 is a schematic diagram of a seventh electronic device provided by an exemplary embodiment of the present disclosure;
Fig. 8 is a schematic diagram of an eighth electronic device provided by 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 present disclosure;
fig. 10 is a schematic diagram of an angle detection circuit according to an exemplary embodiment of the present disclosure;
FIG. 11 is a schematic diagram of another angle detection circuit provided by an exemplary embodiment of the present disclosure;
fig. 12 is a flowchart of an angle detection method according to 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. However, the exemplary embodiments can be embodied in many 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 the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification for convenience only, such as in terms of the orientation of the examples described in the figures. It will be appreciated that if the device of the icon is flipped upside down, the recited "up" component will become the "down" component. 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 through another structure.
At least one flexible screen is adopted in the folding screen electronic equipment, and the flexible screen can be bent at the 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 rotation shaft, the first housing being rotatable about the rotation shaft, the second housing being fixedly connected to the rotation shaft; or the first shell and the second shell are both rotationally connected with the rotating shaft. The flexible screen covers the first shell and the second shell, the first shell and the flexible screen corresponding to the first shell form a first display screen, and the second shell and the flexible screen corresponding to the second shell form a second display screen.
The exemplary embodiments of the present disclosure first provide an electronic device, as shown in fig. 1, including: 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 measurement device 130 is provided with a first adjustable resistor 131, the 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 equipment provided by the embodiment of the disclosure, the first display screen 120 is rotationally 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, the measurement of the rotating angle of the electronic equipment is realized by detecting the resistance value of the first adjustable resistor 131, the structure is simple and easy to realize, the detection precision is high, and no dead angle is measured.
Further, as shown in fig. 10, the electronic device provided in the embodiment of the present 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 a resistance value of the first adjustable resistor 131, and determine a rotation speed of the first display screen 120 according to a change rate of the resistance value of the first adjustable resistor 131.
The angle detection circuit 160 and the control module are used for detecting the resistance value of the first adjustable resistor 131, determining the rotation angle of the first display screen 120 according to the resistance value of the first adjustable resistor 131, and determining the rotation speed of the first display screen 120 according to the change 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 will describe each part of the electronic device provided in the embodiments 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, a sensor and the like are arranged in the first accommodating space. 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, a sensor and the like are arranged in the second accommodating space.
As shown in fig. 1, the first angle measurement device 130 includes: the first adjustable resistor 131 and the first transmission mechanism are connected, and the first transmission mechanism is used for driving the first adjustable resistor 131 when the first screen rotates so as to change the resistance value 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 can 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 value of the first adjustable resistor 131. When the first adjustable resistor 131 is disposed on the first display screen 120, the first transmission mechanism can connect 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 value of the first adjustable resistor 131.
In a possible embodiment of the present disclosure, 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 is a first gear transmission structure 301, the first gear transmission mechanism 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 120 rotates around the rotation axis 110.
The first engaging teeth 34 are disposed on the surface of the rotating shaft 110, and the first engaging teeth 34 may be sleeved on the rotating shaft 110. Alternatively, the first engaging teeth 34 may be integrally formed with the rotating shaft 110, for example, the first engaging teeth 34 may be formed on the surface of the rotating shaft 110 by a gear shaping manner.
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 rotating portion 32, the fixing portion 31 is fixedly connected to the accommodating cavity in the first display screen 120, the rotating portion 32 is rotatably connected to the fixing portion 31, and the rotating portion 32 can rotate relative to the fixing portion 31. The second engaging tooth 33 is provided on the rotating portion 32, and the second engaging tooth 33 may be sleeved on the rotating portion 32. Alternatively, the second engaging teeth 33 may be integrally formed with the rotating portion 32, for example, the second engaging teeth 33 may be formed on the rotating surface by means of a gear shaping.
Illustratively, the fixing portion 31 is provided with a circular arc-shaped resistive strip. The rotating portion 32 is slidably connected to the resistor strip. One end of the resistor strip is connected to a power source terminal, and the rotating portion 32 is an output terminal. When the rotating portion 32 rotates relative to the fixed portion 31, the contact position of the rotating portion 32 and the resistor strip changes, and the resistance value of the first adjustable resistor 131 changes.
The first display 120 may include a display area and a non-display area, for example, the non-display area is disposed in the first display 120 near the frame. The non-display area may be represented as a black edge 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 a back surface of an upper frame of the first display screen 120, or the first adjustable resistor 131 may be disposed on a back surface of a 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, where 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 adjustment of the resistance value of the first adjustable resistor 131 is realized. The first adjustable resistor 131 may include a fixing portion 31 and a rotating portion 32, the fixing portion 31 is fixedly connected to the accommodating cavity in the first display screen 120, the rotating portion 32 is rotatably connected to the fixing portion 31, and the rotating portion 32 can rotate relative to the fixing 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 adjusting resistor, the first adjustable resistor 131 is arranged on the rotating shaft 110, the first transmission mechanism is a gear transmission mechanism 301, the gear transmission mechanism 301 comprises a first driving shaft 38 and a second meshing tooth 33, the first driving shaft 38 is arranged on the first display screen 120, and the first driving shaft 38 is provided with a first meshing 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 120 rotates around the rotation axis 110.
A first drive shaft 38 may be disposed within a cavity within the first display 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 may 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 way of a gear shaping.
The first adjustable resistor 131 may include a fixed portion 31 and a rotating portion 32, the rotating portion 32 being rotatably connected to the fixed portion 31, and the rotating portion 32 being rotatable relative to the fixed portion 31. The second engaging tooth 33 is provided on the rotating portion 32, and the second engaging tooth 33 may be sleeved on the rotating portion 32. Alternatively, the second engaging teeth 33 may be integrally formed with the rotating portion 32, for example, the second engaging teeth 33 may be formed on the rotating surface by means of a gear shaping.
For example, a cavity may be disposed on the rotating shaft 110, and the first adjustable resistor 131 is disposed in the cavity on the rotating shaft 110. The fixing portion 31 is fixedly connected to the cavity on the rotating shaft 110, and a circular arc-shaped resistor strip is fixedly arranged on the fixing portion. The rotating portion 32 is slidably connected to the resistor strip. One end of the resistor strip is connected to a power source terminal, and the rotating portion 32 is an output terminal. When the rotating portion 32 rotates relative to the fixed portion 31, the contact position of the rotating portion 32 and the resistor strip changes, and the resistance value of the first adjustable resistor 131 changes.
Or 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, and the first transmission mechanism may be a belt transmission mechanism (not shown in the drawing), where 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, so as 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 fixing portion 31 and a rotating portion 32, the fixing portion 31 is fixedly connected to the accommodating cavity in the first display screen 120, the rotating portion 32 is rotatably connected to the fixing portion 31, and the rotating portion 32 can rotate relative to the fixing portion 31. The transmission belt 35 is sleeved on the rotating portion 32, and the transmission belt 35 is tensioned between the rotating portion 32 and the rotating shaft 110.
Illustratively, the fixing portion 31 is provided with a circular arc-shaped resistive strip. The rotating portion 32 is slidably connected to the resistor strip. One end of the resistor strip is connected to a power source terminal, and the rotating portion 32 is an output terminal. When the rotating portion 32 rotates relative to the fixed portion 31, the contact position of the rotating portion 32 and the resistor strip changes, and the resistance value of the first adjustable resistor 131 changes.
The first display 120 may include a display area and a non-display area, for example, the non-display area is disposed in the first display 120 near the frame. The non-display area may be represented as a black edge 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 a back surface of an upper frame of the first display screen 120, or the first adjustable resistor 131 may be disposed on a back surface of a lower frame of the first display screen 120.
It will be appreciated that the first adjustable resistor 131 may also be disposed on the rotating shaft 110, where 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 120, and the first transmission shaft is rotationally connected with the housing. The transmission belt 35 is sleeved on the rotating part 32 of the first transmission shaft and the first adjustable resistor 131.
In the embodiment of the present disclosure, in order to ensure accuracy of transmission, the transmission belt 35 may be a synchronous belt, and on the surface of the rotating shaft 110 and the first adjustable resistor 131, synchronous belt teeth may be machined.
In another possible embodiment of the present disclosure, as shown in fig. 4, the first adjustable resistor 131 is a sliding adjustment resistor, the first adjustable resistor 131 is disposed on the first display screen 120, and the first transmission mechanism may be a link transmission mechanism (not shown in the drawing), where the link transmission mechanism includes a transmission rod assembly 37, and the transmission rod assembly 37 is connected to the rotating shaft 110 and the first adjustable resistor 131 respectively, so as 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 fixed portion 31 and a sliding portion 36, the fixed portion 31 is fixedly connected to the accommodating cavity in the first display screen 120, the sliding portion 36 is slidably connected to the fixed portion 31, and the sliding portion 36 is capable of sliding relative to the fixed portion 31. The first transmission rod assembly 37 is connected to the sliding portion 36.
For example, a linear resistor strip is provided on the fixing portion 31. The sliding portion 36 is slidably connected to the resistor strip. One end of the resistor strip is connected to a power source terminal, and the sliding portion 36 is an output terminal. When the sliding portion 36 slides with respect to the fixed portion 31, the contact position of the sliding portion 36 and the resistor strip changes, and the resistance value of the first adjustable resistor 131 changes.
The first display 120 may include a display area and a non-display area, for example, the non-display area is disposed in the first display 120 near the frame. The non-display area may be represented as a black edge 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 a back surface of an upper frame of the first display screen 120, or the first adjustable resistor 131 and the first transmission component may be disposed on a back surface of a lower frame of the first display screen 120.
The transmission rod assembly 37 may be a crank-slider mechanism, in which the rotation 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 in practical applications, so in practice, the transmission rod assembly 37 may include a connecting rod, one end of which is hinged to the rotation shaft 110 and the other end of which 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., which is not limited in this embodiment.
In the embodiment of the present disclosure, the control module and the angle detection circuit 160 may detect the current resistance value of the first adjustable resistor 131. The resistance of the first adjustable resistor 131 corresponds to the rotation angle of the first display screen 120 one by one, so that the rotation angle of the first display screen 120 can be determined by the resistance of the first adjustable resistor 131. Further, the control module and the angle detection circuit 160 may also detect the resistance change rate of the first adjustable resistor 131, and determine the rotation speed of the first display screen 120 through the change rate of the first adjustable resistor 131.
It will be appreciated that, as shown in fig. 5, in the embodiment of the disclosure, the first angle measurement device 130 may also include a first adjustable resistor 131, where the first adjustable resistor 131 includes a rotating portion 32 and a fixed portion 31, the rotating portion 32 is rotationally 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.
By way of example, the rotating portion 32 and the fixing portion 31 are both in annular structures, the rotating portion 32 is disposed in an inner ring of the fixing portion 31, the rotating shaft 110 is disposed through the rotating portion 32, and a circumferential positioning device is disposed between the rotating shaft 110 and the rotating portion 32, so that the rotating portion 32 can rotate together with the rotating shaft 110. For example, the circumferential positioning device is a positioning key or a positioning hole. The fixing portion 31 may be fixedly connected to the housing in the first display 120, so that when the first display 120 rotates relative to the rotating shaft 110, the rotating portion 32 rotates relative to the fixing portion 31, so as to adjust the resistance of the first adjustable resistor 131.
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 measurement device 150, a second adjustable resistor 151 is disposed in the second angle measurement device 150, a resistance value output by the second adjustable resistor 151 changes along with rotation of the second display screen 140, and a resistance value output by the second adjustable resistor 151 is used for determining a rotation angle of the second display screen 140 relative 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, a sensor and the like are arranged in the second accommodating space. 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, a sensor and the like are arranged in the second accommodating space.
The second angle measuring device 150 includes: the second adjustable resistor 151 is connected to the 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 value 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 can connect 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 drives the second adjustable resistor 151 to move under the driving of the second display screen 140, so as to change the resistance value 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 connect 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 value 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 adjusting 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, and the fourth engaging tooth is engaged with the third engaging tooth, and drives the second adjustable resistor 151 to rotate when the second display screen 140 rotates around the rotating shaft 110.
The third engaging tooth is disposed on the surface of the rotating shaft 110, and the third engaging tooth may be sleeved on the rotating shaft 110. Or the third engaging teeth may be integrally formed 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 fixing portion fixedly connected to the accommodating cavity in the second display screen 140, and a rotating portion rotatably connected to the fixing portion, and the rotating portion can rotate relative to the fixing portion. The fourth meshing teeth are arranged on the rotating part, and the fourth meshing teeth can be sleeved on the rotating part. Alternatively, the fourth engaging teeth may be formed integrally with the rotating portion, for example, the fourth engaging teeth 3 may be formed on the rotating surface by means of a gear shaping.
Illustratively, the fixing portion 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 the power end, and the rotating part is an output end. When the rotating portion 32 rotates relative to the fixed portion, the contact position of the rotating portion 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 in the second display screen 140 near the frame. The non-display area may be represented 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 a back surface of an upper frame of the second display screen 140, or the second adjustable resistor 151 may be disposed on a back surface of a lower frame of the second display screen 140.
Of course, in practical applications, the second transmission mechanism may also include a third damping surface and a fourth damping surface, where the third damping surface is disposed on the rotating shaft 110. The fourth damping surface is arranged on the second adjustable resistor 151, the third damping surface is matched with the fourth damping surface, and 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 force, so that the adjustment of the resistance value of the second adjustable resistor 151 is realized. The second adjustable resistor 151 may include a fixed portion fixedly connected to the accommodating cavity in the second display screen 140, and a rotating portion rotatably connected to the fixed portion, and the rotating portion 32 is rotatable with respect to the fixed portion. The third damping surface is disposed on the surface of the rotating shaft 110, and the fourth damping surface is disposed on the rotating portion.
Or as shown in fig. 2, the second adjustable resistor 151 is a rotation adjusting resistor, the second adjustable resistor 151 is arranged on the rotating shaft 110, the second gear transmission mechanism comprises a second driving shaft and fourth meshing teeth, the second driving shaft is arranged on the second display screen 140, and third meshing teeth are arranged on the second driving shaft; the fourth engaging tooth is disposed on the second adjustable resistor 151, and the fourth engaging tooth is engaged with the third engaging tooth, and 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 140, the second drive shaft being rotatably coupled to the housing. The third meshing teeth are provided on the first drive shaft 38, and the third meshing teeth can be sleeved on the second drive shaft. Alternatively, the third engagement teeth may be integrally formed with the second drive shaft, for example, the third engagement teeth may be formed on the surface of the second drive shaft by way of a gear shaping.
The second adjustable resistor 151 may include a fixed portion and a rotating portion rotatably connected to the fixed portion, and the rotating portion is rotatable with respect to the fixed portion. The fourth meshing teeth are arranged on the rotating part, and the fourth meshing teeth can be sleeved on the rotating part. Alternatively, the fourth engaging tooth may be integrally formed with the rotating portion, for example, the fourth engaging tooth may be formed on the rotating surface by means of a gear shaping.
For example, a cavity may be disposed on the rotating shaft 110, and the second adjustable resistor 151 is disposed in the cavity on the rotating shaft 110. The fixing part is fixedly connected in the cavity on the rotating shaft 110, and a circular arc-shaped resistor strip is fixedly arranged on the fixing part. The rotating part is connected with the resistor strip in a sliding way. One end of the resistor strip is connected with the power end, and the rotating part is an output end. When the rotating part 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.
Or as shown in fig. 8, the second adjustable resistor 151 is a rotation adjusting resistor, the second adjustable resistor 151 is arranged on the second display screen 140, and the second transmission mechanism is a belt transmission mechanism, and the belt transmission mechanism comprises 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 fixing portion fixedly connected to the accommodating cavity in the second display screen 140, and a rotating portion rotatably connected to the fixing portion, and the rotating portion can rotate relative to the fixing portion. The belt is sleeved on the rotating part, and the belt 35 is tensioned between the rotating part and the rotating shaft 110.
Illustratively, the fixing portion 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 the power end, and the rotating part is an output end. When the rotating part 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 in the second display screen 140 near the frame. The non-display area may be represented 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 a back surface of an upper frame of the second display screen 140, or the second adjustable resistor 151 may be disposed on a back surface of a lower frame of the second display screen 140.
It is to be understood that the second adjustable resistor 151 may also be disposed on the rotating shaft 110, where the second transmission mechanism may include a second transmission shaft and a transmission belt 55, the second transmission shaft is disposed in the accommodating cavity of the second display screen 140, and the second transmission shaft is rotationally connected with the housing. The transmission belt is sleeved on the rotating part of the second transmission shaft and the second adjustable resistor 151.
In the embodiment of the present disclosure, in order to ensure accuracy of 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 adjustment resistor, the second adjustable resistor 151 is disposed on the second display screen 140, and the second transmission mechanism is a link transmission mechanism, where 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 to the accommodating cavity in 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 transmission rod assembly is connected to the sliding part.
For example, a linear resistor strip is provided on the fixing portion. The sliding part is connected with the resistor strip in a sliding way. One end of the resistor strip is connected with the power end, and the sliding part is an output end. When the sliding portion 36 slides with respect to the fixed portion, the contact position of the sliding portion 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 in the second display screen 140 near the frame. The non-display area may be represented as a black border in the electronic device, and the second adjustable resistor 151 and the second driving lever assembly 57 may be disposed in the non-display area, for example, the second adjustable resistor 151 and the second driving lever assembly 57 may be disposed at the back of the upper frame of the second display screen 140, or the second adjustable resistor 151 and the second driving lever assembly 57 may be disposed at the back of the lower frame of the second display screen 140.
The transmission rod assembly may be a crank-slider mechanism, in which the rotation shaft 110 may be used as a crank in practical application, and the sliding portion of the second adjustable resistor 151 may be used as a slider, so that in practice, the transmission rod assembly may include a connecting rod, one end of which is hinged to the rotation shaft 110, and the other end of which 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 connection rods, and the embodiment of the disclosure is 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, where the second adjustable resistor 151 includes a rotating portion and a fixed portion, the rotating portion is rotationally 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.
By way of example, the rotating portion and the fixing portion are both in annular structures, the rotating portion is disposed in an inner ring of the fixing portion, the rotating shaft 110 is disposed through the rotating portion, and a circumferential positioning device is disposed between the rotating shaft 110 and the rotating portion, so that the rotating portion can rotate together with the rotating shaft 110. For example, the circumferential positioning device is a positioning key or a positioning hole. The fixing portion may be fixedly connected to the housing in 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 fixing portion, so as to implement adjustment of the resistance value of the second adjustable resistor 151.
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 an upper end of the rotating shaft 110, and the second angle measuring device 150 is located at a lower end of the rotating shaft 110.
In the disclosed embodiment, the first angle measurement device 130 is located in the non-display area of the first display screen 120, and the second angle measurement device 150 is located in the non-display area of the second display screen 140. A first mounting portion may be disposed in a non-display area of the first display 120, and a first notch is disposed in a portion of the first display 120 corresponding to the driving circuit layer. A second mounting portion may be disposed in the non-display area of the second display screen 140, and a second notch is disposed in the second mounting portion at a location corresponding to the driving circuit layer of the second display screen 140. For example, at a position of the upper black edge area of the first display screen 120 near the rotating shaft 110, removing the driving circuit layer to form a first notch, where the first angle measuring device 130 is disposed; and removing the driving circuit layer at a position of the lower black edge area of the second display screen 140, which is close to the rotating shaft 110, so as to form a second notch, wherein the second angle measuring device 150 is arranged in the second notch. Therefore, the gap in the black edge area of the display screen can be utilized, the space on the thickness of the electronic equipment is increased, the arrangement of the angle measuring device is facilitated, and meanwhile, the control of the thickness of the electronic equipment is facilitated.
It should be noted that, in the embodiment of the present disclosure, the structures of the first angle measurement device 130 and the second angle measurement device 150 may be the same or different, which is not particularly limited in the embodiment of the present disclosure. For example, the first adjustable resistor 131 is a rotary adjustable resistor, and the second adjustable resistor 151 is 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.
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 used for detecting the resistance value of the first adjustable resistor 131 and the resistance value of the second adjustable resistor 151 respectively.
The angle detection circuit 160 may include a first voltage detection module 162, where 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 grounded, as shown in fig. 10.
At this time, the point C is grounded, the point A is given a reference voltage, and only V is measured B Can easily calculate R AB And R is BC Thus, the rotation angle of the rotating shaft 110 can be calculated by the mapping relation between the resistance and the rotation angle, and the opening and closing angle of the screen can be correspondingly calculated.
Alternatively, the first adjustable resistor 131 has a first end, a second end, and an adjustment end, and as shown in fig. 11, 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 end; 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 adjusting terminal 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, and it is assumed that only the point a and the point B are used (as is the case with the point C and the point B). Only need to measure V A Can easily calculate R AB And R is BC Thus, the rotation angle of the rotating shaft 110 can be calculated by the mapping relation between the resistance and the rotation angle, and the opening and closing angle of the screen can be correspondingly calculated.
The second adjustable resistor 151 has a first end, a second end and an adjustment end, and the angle detection circuit 160 may include a second voltage detection module connected to the adjustment end of the second adjustable resistor 151, where the first end of the second adjustable resistor 151 is connected to the power end, and the second end of the second adjustable resistor 151 is grounded.
Alternatively, the second adjustable resistor 151 has a first end, a second end, and an adjustment end, and the angle detection circuit 160 may include: the first end of the second pull-up resistor is connected with the 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 adjusting terminal 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 the 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 the 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 the 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 the resistor strip, and the second end may be the other end of the resistor strip).
For example, a signal extraction circuit board may be disposed on the first adjustable resistor 131, where the signal extraction 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 extraction circuit board, and the at least two signal lines are respectively connected to the first voltage detection module 162 and are used for transmitting the voltage signal output by the first adjustable resistor 131 to the first voltage detection module 162. A signal extraction circuit board may be disposed on the second adjustable resistor 151, where the signal extraction circuit board is disposed on a fixing portion of the second adjustable resistor 151, and at least two signal lines are disposed on the signal extraction circuit board and connected to the second voltage detection module, where the at least two signal lines are used to transmit 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 on different rotating shafts, which is not limited in the embodiment of the present disclosure. The electronic device in the embodiment of the disclosure may be a mobile phone, a tablet computer, a notebook computer, a television, a flexible wearable device, or the like.
According to the electronic device provided by the embodiment of the disclosure, the first display screen 120 is rotationally 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, the resistance value of the first adjustable resistor 131 is detected, the second display screen 140 is rotationally 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, the resistance value of the second adjustable resistor 151 is detected, the measurement of the rotation angle of the electronic device is realized, the structure is simple and easy to realize, the detection accuracy is high, and no measurement dead angle exists.
The exemplary embodiments of the present disclosure also provide an angle detection method for an electronic device, as shown in fig. 12, which may include the steps of:
step S110, obtaining the 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 rotationally 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;
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 rotationally 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 equipment 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 the rotation speed of the first display screen relative to the rotating shaft according to the change rate of the resistance value of the first adjustable resistor.
The angle detection method provided by the embodiment of the present disclosure may be used in the above-mentioned electronic device, and the electronic device is described in detail in the above-mentioned embodiment and is not repeated here.
In step S110, the resistance 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 of the first adjustable resistor 131 is changed in response to the rotation of the first display screen 120.
The resistance value of the first adjustable resistor 131 can be obtained through the angle detection circuit 160 and the control module. Angle. The angle detection circuit 160 is connected to the first adjustable resistor 131, and may detect the resistance value of the first adjustable resistor 131 by using a circuit as shown in fig. 10, for example. The first adjustable resistor 131 has a first end, a second end and an adjustment end, 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 end, and the second end of the first adjustable resistor 131 is grounded. The point C is grounded, the point A is given a reference voltage, only V is measured B Can easily calculate R AB And R is BC Thus, the rotation angle of the rotating shaft 110 can be calculated by the mapping relation between the resistance and the rotation angle, and the opening and closing angle of the screen can be correspondingly calculated.
Alternatively, the resistance value of the first adjustable resistor 131 may be detected using a circuit as shown in fig. 11. 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 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 end; 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 adjusting terminal of the first adjustable resistor 131 is grounded. The point B is grounded, the point A or the point C is externally connected with a pull-up resistor to a reference voltage Vref, and the point A and the point B are only used (the point C and the point B are the conditionsAs well). Only need to measure V A Can easily calculate R AB And R is BC Thus, the rotation angle of the rotating shaft 110 can be calculated by the mapping relation between the resistance and the rotation angle, and the opening and closing angle of the screen can be correspondingly calculated.
When the second display screen 140 is rotationally connected to the rotating shaft 110, the resistance of the second adjustable resistor 151 may 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 rotationally 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 rotating 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 by one, so that the mapping relationship between the rotation angle and the first adjustable resistor 131, such as a function or a table, can be stored in the control module, and the rotation angle is determined by a function calculation or a table look-up mode.
When the second display 140 is also rotatably connected to the rotating shaft 110, the rotation angle of the second display 140 with respect to the rotating shaft 110 may 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 by one, so that the mapping relationship between the rotation angle and the second adjustable resistor 151, such as a function or a table, can be stored in the control module, and the rotation angle is determined by means of function calculation or table lookup.
Step S130, determining the rotation speed of the first display screen 120 relative to the rotation shaft 110 according to the change rate of the resistance value of the first adjustable resistor 131.
When the resistance value of the first adjustable resistor 131 is detected by the angle detection circuit 160 and the control module, the time corresponding to the acquired resistance value is recorded, and the rate of change of the resistance and the time can be calculated according to the change value of the resistance and the acquisition time of the resistance, so that the rotation speed of the first display screen 120 can be determined. In practical applications the rotational speed may be calculated from the angular segments.
When the second display screen 140 is also rotationally 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 acquired resistance value is recorded, and the rate of change of the resistance and the time can be calculated according to the change value of the resistance and the acquisition time of the resistance, so that the rotation speed of the second display screen 140 can be determined. In practical applications the rotational speed may be calculated from the angular segments.
According to the angle detection method provided by the embodiment of the disclosure, the first display screen 120 is rotationally 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 equipment 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 adaptations, 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 (9)

1. An electronic device, the electronic device comprising:
a rotating shaft;
the first display screen is connected with the rotating shaft and can rotate around the rotating shaft;
the second 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 and comprises a first meshing tooth and a second meshing tooth;
the second gear transmission mechanism is respectively connected with the rotating shaft and the second display screen; the first adjustable resistor is a rotation 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 drive of the first gear transmission mechanism, 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 second meshing teeth are arranged on the first adjustable resistor, the second meshing teeth are meshed with the first meshing teeth, and the second meshing teeth drive the first adjustable resistor to rotate when the first display screen rotates around the rotating shaft;
The second adjustable resistor is a rotation adjusting resistor, the second adjustable resistor is connected with the second gear transmission mechanism, the resistance value of the second adjustable resistor is changed under the drive 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;
the first angle measuring device comprises the first adjustable resistor and the first gear transmission mechanism, a driving circuit layer is removed at the position, close to the rotating shaft, of the upper black edge area of the first display screen, and a first notch is formed, and the first angle measuring device is arranged in the first notch;
the second angle measuring device comprises a second adjustable resistor and a second gear transmission mechanism, wherein the lower black edge area of the second display screen is close to the position of the rotating shaft, the driving circuit layer is removed, a second notch is formed, and the second angle measuring device is arranged on the second notch.
2. The electronic device of claim 1, wherein the first adjustable resistor is disposed on the first display screen, and the first engagement tooth is disposed on the rotating shaft.
3. The electronic device of claim 1, wherein the first adjustable resistor is disposed on the rotating shaft, and the first gear transmission mechanism comprises:
the first driving shaft is arranged on the first display screen, and first meshing teeth are arranged on the first driving shaft.
4. The electronic device of claim 2 or 3, wherein the first adjustable resistor comprises:
a fixing part;
and the rotating part is rotationally connected with the fixed part, and the second meshing teeth are arranged on the rotating part.
5. An electronic device, the electronic device 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 rotation adjusting resistor, the first adjustable resistor is connected with the belt transmission mechanism, the resistance value of the first adjustable resistor is changed under the drive 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;
The first angle measuring device comprises the first adjustable resistor and the belt transmission mechanism, a driving circuit layer is removed at the position, close to the rotating shaft, of the upper black edge area of the first display screen, a first notch is formed, and the first angle measuring device is arranged in the first notch;
the second angle measuring device comprises a second adjustable resistor and a second belt transmission mechanism, a driving circuit layer is removed at the position, close to the rotating shaft, of a lower black edge area of the second display screen, and a second notch is formed, and the second angle measuring device is arranged on the second notch.
6. The electronic device of claim 5, wherein the first adjustable resistor is disposed on the first display screen, and the belt drive mechanism comprises:
the driving belt is sleeved on the rotating shaft and the first adjustable resistor, so that the first adjustable resistor is driven to rotate when the first display screen rotates around the rotating shaft.
7. The electronic device of claim 6, wherein the first adjustable resistor comprises:
the fixed part is connected to the first display screen;
And the rotating part is rotationally connected with the fixing part, and the transmission belt is sleeved on the rotating part.
8. An electronic device, the electronic device comprising:
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 drive of the connecting rod 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 first angle measuring device comprises the first adjustable resistor and the connecting rod transmission mechanism, a driving circuit layer is removed at the position, close to the rotating shaft, of the upper black edge area of the first display screen, a first notch is formed, and the first angle measuring device is arranged in the first notch;
the second angle measuring device comprises a second adjustable resistor and a second connecting rod transmission mechanism, a driving circuit layer is removed at the position, close to the rotating shaft, of the lower black edge area of the second display screen, and a second notch is formed, and the second angle measuring device is arranged on the second notch.
9. The electronic device of claim 8, wherein the first adjustable resistor is disposed on the first display screen, and the linkage comprises:
the transmission rod is connected with the rotating shaft and the first adjustable resistor respectively, so that the first adjustable resistor is driven to slide when the first display screen rotates around the rotating shaft.
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