CN113655909A - Electronic device and electronic device pressure-sensitive detection method - Google Patents
Electronic device and electronic device pressure-sensitive detection method Download PDFInfo
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- CN113655909A CN113655909A CN202110975905.0A CN202110975905A CN113655909A CN 113655909 A CN113655909 A CN 113655909A CN 202110975905 A CN202110975905 A CN 202110975905A CN 113655909 A CN113655909 A CN 113655909A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000011896 sensitive detection Methods 0.000 title claims abstract description 15
- 230000005389 magnetism Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Telephone Set Structure (AREA)
Abstract
The application discloses electronic equipment and a pressure-sensitive detection method of the electronic equipment, wherein the electronic equipment comprises: shell, screen, hall device and magnetism spare, the screen is installed on the shell, the magnetism spare is installed the medial surface of screen the shell with form the installation cavity between the screen, the hall device is installed in order to detect in the installation cavity the magnetic field intensity of magnetism spare. In this application embodiment, the medial surface of screen is installed with the magnetism spare, and the screen takes place to warp after pressing, and the magnetic field that hall device detected changes, realizes the pressure of screen through hall device and feels and detect, simple structure easy to assemble.
Description
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to electronic equipment and a pressure-sensitive detection method of the electronic equipment.
Background
In the related art, electronic devices such as smart phones are increasingly widely used, some electronic devices support screen pressure detection, and different functions are realized by sensing different pressing pressures. For example, lines of different thickness are drawn by controlling the pressing pressure.
The existing pressure detection mode is mostly based on a pressure sensor, the capacitance between the pressure sensor and a metal middle frame can be changed according to the change of the distance between the pressure sensor and the metal middle frame, so that the magnitude of the degree of pressing force is calculated, the distance between the pressure sensor and the metal middle frame needs to be strictly controlled, the assembly requirement is high, and the installation is inconvenient.
Disclosure of Invention
The application aims to provide electronic equipment and a pressure-sensitive detection method of the electronic equipment, and solves the problem that an existing pressure-sensitive detection structure is complex and inconvenient to install.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides an electronic device, including: shell, screen, hall device and magnetism spare, the screen is installed on the shell, the magnetism spare is installed the medial surface of screen the shell with form the installation cavity between the screen, the hall device is installed in order to detect in the installation cavity the magnetic field intensity of magnetism spare.
In a second aspect, an embodiment of the present application provides an electronic device pressure-sensitive detection method, including:
acquiring a first magnetic field intensity of the magnetic piece before the screen is pressed and a second magnetic field intensity of the magnetic piece after the screen is pressed;
determining a degree of pressing pressure based on the first magnetic field strength, the second magnetic field strength and a screen pressing position;
wherein the electronic device is the electronic device according to the first aspect.
In a third aspect, an embodiment of the present application provides an electronic device, including a housing, a circuit board, a permanent magnet, and a hall device, where the permanent magnet is fixedly mounted on an inner wall of the housing, the hall device and the circuit board are both fixedly mounted in the housing, the circuit board is in communication connection with the hall device, and the hall device generates a trigger signal when a position of the housing corresponding to the permanent magnet is pressed.
In the embodiment of the application, the magnetic part is installed on the inner side face of the screen, the screen deforms after being pressed, the magnetic field detected by the Hall device changes, the pressure sensing detection of the screen is achieved through the Hall device, and the magnetic screen is simple in structure and convenient to install.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of an electronic device according to an embodiment of the application;
FIG. 2 is a flow chart of a method for detecting pressure of an electronic device according to an embodiment of the present application;
FIG. 3 is another flow chart of a method for detecting pressure of an electronic device according to an embodiment of the present application;
FIG. 4 is an electronic device according to an embodiment of the application.
Reference numerals:
10: a housing; 20: a screen; 30: a Hall device; 40: a magnetic member; 50: a mounting cavity; 60: a power supply module; 70: a circuit board; 71: a main board; 72: a sub-plate.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
A specific structure of an electronic apparatus according to an embodiment of the present application is described below with reference to fig. 1.
The embodiment of the present application provides an electronic device, as shown in fig. 1, which includes a housing 10, a screen 20, a hall device 30, and a magnetic member 40. The screen 20 is mounted on the housing 10, and the magnetic member 40 is mounted on the inner side of the screen 20. A mounting cavity 50 is formed between the housing 10 and the screen 20, and the hall device 30 is mounted in the mounting cavity 50 to detect the magnetic field strength of the magnetic member 40.
Wherein, the inner side of the screen 20 refers to a side of the screen 20 facing the inside of the housing 10. The magnetic part 40 is installed on the inner side surface of the screen 20, after the screen 20 is pressed, the screen 20 drives the magnetic part 40 to approach the hall device 30, the distance between the screen 20 and the hall device 30 after deformation changes, and the magnetic field changes.
According to the electronic equipment, the magnetic part 40 is installed on the inner side face of the screen 20, the screen 20 deforms after being pressed, the magnetic field detected by the Hall device 30 changes, and the pressure sense detection of the screen 20 is achieved through the Hall device 30. In the conventional scheme, a pressure sensor is arranged to detect the pressure of the screen 20, the distance between the pressure sensor and the grounding middle frame needs to be strictly controlled, and the structure of the screen 20 is complex.
In some embodiments of the present application, the magnetic member 40 covers the entire screen 20, so that pressing all over the screen 20 can achieve pressure detection, thereby achieving different functions. In some embodiments, the magnetic member 40 is disposed in a local area of the screen 20 for realizing a specific function by local pressure sensing of the screen 20. The specific coverage of the magnetic member 40 can be set according to actual needs.
In some embodiments of the present application, the magnetic member 40 is a permanent magnet.
Wherein, the permanent magnet can be paved on the inner side surface of the screen 20 in a layer shape or installed on the inner side surface of the screen 20 in a block shape. Optionally, the permanent magnet is fixed on the inner side surface of the screen 20. When the screen 20 is pressed, the screen deforms, the distance between the permanent magnet and the hall device 30 changes, the corresponding magnetic flux changes, and the pressing force corresponding to the screen pressing position and the magnetic field intensity change is determined according to a comparison table pre-recorded when the electronic equipment leaves a factory.
In addition, the magnetic member 40 may be an electromagnet, and the embodiment of the present application will not be described in detail.
The electronic equipment provided by the embodiment of the application adopts the permanent magnet as the magnetic part, can provide a continuous magnetic field without power consumption, and is favorable for reducing the energy consumption of the electronic equipment.
In further embodiments of the present application, the magnetic member 40 is an electromagnet. The electronic device further comprises a power supply module 60, the power supply module 60 being connected to the electromagnet. The power supply module 60 is electrically disconnected from the electromagnet without activating the pressure-sensitive detection function.
The power supply module 60 is a power supply structure of the electronic device, and is configured to supply power to a power consuming unit of the electronic device. The magnetic member 40 may be an electromagnet, for example, a single dc coil is wound around a core of the electromagnet, and when the coil is energized, the core is magnetized to generate a magnetic field; when the coil is de-energized, the magnetic field disappears.
The electromagnet is powered only after the pressure-sensitive detection function is started, and the power supply module 60 is electrically disconnected from the electromagnet under the condition that the pressure-sensitive detection function is not started, so that the energy consumption is reduced, and the power supply duration of the power supply module 60 is prolonged.
In some embodiments of the present application, a circuit board 70 is installed in the installation cavity 50, the circuit board 70 is provided with a processor, the hall device 30 is fixedly installed on a side of the circuit board 70 facing the screen 20, and the hall device 30 is in communication connection with the processor.
As shown in fig. 1, the circuit board 70 includes a main board 71 and a sub-board 72 distributed on opposite sides of the power supply module 60, and the hall devices 30 are mounted on the main board 71. Of course, the hall device 30 may also be arranged on the sub board 72, and the data transmission between the hall device 30 and the main board 71 is realized by the communication between the sub board 72 and the main board 71.
Alternatively, the hall device 30 is mounted in the housing 10 in an area outside of the circuit board 70, and is communicatively connected to the processor on the circuit board 70 by means of a wire.
An embodiment of the present application further provides a method for detecting a pressure of an electronic device, as shown in fig. 2, including:
s100, acquiring a first magnetic field intensity of a magnetic part before a screen is pressed and a second magnetic field intensity of the magnetic part after the screen is pressed;
s200, determining the pressing force degree based on the first magnetic field intensity, the second magnetic field intensity and the screen pressing position;
wherein, the electronic equipment is the electronic equipment.
The Hall device 30 is used for detecting the magnetic field intensity before the screen 20 is pressed and the magnetic field intensity after the screen 20 is pressed, the magnetic field intensity is recorded as a first magnetic field intensity and a second magnetic field intensity respectively, and the magnetic field change before and after the screen 20 is pressed can be determined according to the first magnetic field intensity and the second magnetic field intensity. It should be noted that the magnetic field change includes a magnitude and a direction change of the magnetic field strength. The screen 20 can obtain the screen pressing position, and the pressing force can be determined according to the screen pressing position of the electronic device and the magnetic field change.
According to the electronic equipment pressure detection method provided by the embodiment of the application, the pressing strength can be determined through the magnetic field change before and after the screen is pressed and the screen pressing position, and compared with a mode that a traditional pressure sensor detects the pressing strength, the method is low in cost and does not need to strictly control the distance between the magnetic part and other structural parts.
In some embodiments of the present application, as shown in fig. 3, determining the degree of pressing pressure based on the first magnetic field strength, the second magnetic field strength, and the screen pressing position further comprises:
s210, determining the magnetic field variation amount based on the first magnetic field intensity and the second magnetic field intensity;
s220, comparing the magnetic field variation and the screen pressing position with prestored data in a comparison table to determine the pressing strength;
the comparison table comprises magnetic field variation, screen pressing positions and pressing force degrees which are in one-to-one correspondence.
The electronic equipment writes corresponding relations among the magnetic field intensity, the screen pressing position and the pressing force degree in advance when leaving a factory, determines magnetic field changes according to the first magnetic field intensity and the second magnetic field intensity in practical application, searches prestored data in a comparison table, compares the prestored data one by one, and determines the pressing force degree corresponding to the current magnetic field changes and the screen pressing position.
In some embodiments of the present application, the magnetic member is an electromagnetic member, and the pressure-sensitive detection method further includes:
acquiring a third magnetic field intensity of the electromagnetic piece before electrification;
a pressure-sensitive detection function is activated based on the first magnetic field strength and the third magnetic field strength.
The first magnetic field intensity is the magnetic field intensity before the electromagnetic piece is electrified and not pressed, and the second magnetic field intensity is the magnetic field intensity after the electromagnetic piece is electrified and pressed.
When the electromagnetic element is not energized, the hall device 30 functions as a compass for detecting the earth magnetic field, i.e., the third magnetic field strength is the earth magnetic field. The difference between the first magnetic field strength and the third magnetic field strength is the magnetic field strength of the electromagnetic piece, and the influence of the earth magnetic field is eliminated. Then, the pressure-sensitive detection function is started, the user can press the screen 20 to obtain the second magnetic field intensity after pressing, the second magnetic field intensity can be directly different from the first magnetic field intensity, or the difference can be made before the third magnetic field intensity to obtain the magnetic field intensity of the electromagnetic piece, and then the magnetic field intensity of the electromagnetic piece is compared with the magnetic field intensity of the electromagnetic piece before pressing the screen to determine the magnetic field variation.
In addition, the embodiment of the present application further provides an electronic device, as shown in fig. 4, including a housing 10, a circuit board 70, a permanent magnet, and a hall device 30, where the permanent magnet is fixedly installed on an inner wall of the housing 10, the hall device 30 and the circuit board 70 are both fixedly installed in the housing 10, the circuit board 70 is in communication connection with the hall device 30, and the hall device 30 generates a trigger signal when a position of the housing 10 corresponding to the permanent magnet is pressed.
Optionally, the casing 10 is provided with a pressing portion corresponding to the position of the permanent magnet, and the pressing portion may be a groove or a key disposed on the outer surface of the casing 10. After the pressing part is pressed, the permanent magnet approaches the hall device 30, the magnetic field changes, the hall device 30 is in communication connection with the circuit board 70, and a trigger signal is generated to complete corresponding operation.
According to the electronic equipment provided by the embodiment of the application, the permanent magnet is matched with the Hall device 30 to realize the function of a power key, a volume key or a shoulder key, a driven key is replaced, and the electronic equipment is simple in structure and easy to install.
Wherein, to avoid false triggering, the hall device 30 only generates a triggering signal when the magnetic field strength is not lower than a preset value. If the magnetic field intensity is smaller than the preset value after the shell is pressed, the misoperation is considered, and the electronic equipment does not make corresponding response. It is understood that the hall device 30 may perform detection after the electronic device starts certain specific functions or perform detection all the time, and the embodiment of the present application is not particularly limited.
In some embodiments of the present application, the electronic device includes a plurality of permanent magnets and a plurality of hall devices, the permanent magnets and the hall devices 30 are arranged in groups, and each group of the permanent magnets and the hall devices 30 are arranged at intervals along the circumferential direction of the housing.
For example, two sets of permanent magnets and hall devices 30 are provided on one side of the housing for use as shoulder keys. As another example, two sets or groups of permanent magnets and hall devices 30 are disposed on opposite sides of the housing, respectively, so that it is determined that the shoulder keys can still be conveniently operated after the screen 20 is rotated. Of course, six or eight sets of shoulder keys may be provided, and the embodiment of the present application is not particularly limited.
Optionally, the hall device 30 is integrated with the circuit board 70.
The electronic device disclosed in the embodiment of the present application may be a mobile phone, a tablet computer, a single lens reflex camera, a monitoring camera, or the like, and certainly, the electronic device disclosed in the embodiment of the present application may also be other types of electronic devices, and the embodiment of the present application does not specifically limit the specific types of the electronic devices.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An electronic device, comprising: shell, screen, hall device and magnetism spare, the screen is installed on the shell, the magnetism spare is installed the medial surface of screen the shell with form the installation cavity between the screen, the hall device is installed in order to detect in the installation cavity the magnetic field intensity of magnetism spare.
2. The electronic device of claim 1, wherein the magnetic member covers the entire screen.
3. The electronic device of claim 1, wherein the magnetic member is a permanent magnet.
4. The electronic device of claim 1, wherein the magnetic member is an electromagnet, and further comprising a power supply module, the power supply module being connected to the electromagnet, the power supply module being electrically disconnected from the electromagnet without activating the pressure-sensitive detection function.
5. The electronic device of claim 1, wherein a circuit board is mounted in the mounting cavity, the circuit board is provided with a processor, the hall device is fixedly mounted on one side of the circuit board facing the screen, and the hall device is in communication connection with the processor.
6. A method for detecting pressure of electronic equipment is characterized by comprising the following steps:
acquiring a first magnetic field intensity of the magnetic piece before the screen is pressed and a second magnetic field intensity of the magnetic piece after the screen is pressed;
determining a degree of pressing pressure based on the first magnetic field strength, the second magnetic field strength and a screen pressing position;
wherein the electronic device is as claimed in any one of claims 1 to 5.
7. The electronic device pressure-sensitive detection method according to claim 6, wherein a magnetic field variation is determined based on the first magnetic field strength and the second magnetic field strength, and the magnetic field variation and the screen pressing position are compared with prestored data in a comparison table to determine a pressing force degree;
the comparison table comprises magnetic field variation, screen pressing positions and pressing force degrees in one-to-one correspondence.
8. The method of claim 7, wherein the magnetic member is an electromagnetic member, the method further comprising:
acquiring a third magnetic field intensity of the electromagnetic piece before electrification;
activating a pressure-sensing detection function based on the first magnetic field strength and the third magnetic field strength;
the first magnetic field strength is the magnetic field strength of the electromagnetic piece before being pressed after being electrified, and the second magnetic field strength is the magnetic field strength of the electromagnetic piece after being pressed after being electrified.
9. The electronic equipment is characterized by comprising a shell, a circuit board, a permanent magnet and a Hall device, wherein the permanent magnet is fixedly installed on the inner wall of the shell, the Hall device and the circuit board are fixedly installed in the shell, the circuit board is in communication connection with the Hall device, and the Hall device generates a trigger signal under the condition that the position of the shell corresponding to the permanent magnet is pressed.
10. The electronic device of claim 9, wherein the electronic device comprises a plurality of the permanent magnets and a plurality of the hall devices, the permanent magnets and the hall devices are arranged in groups, and each group of the permanent magnets and the hall devices are arranged at intervals along the circumferential direction of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975905.0A CN113655909A (en) | 2021-08-24 | 2021-08-24 | Electronic device and electronic device pressure-sensitive detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975905.0A CN113655909A (en) | 2021-08-24 | 2021-08-24 | Electronic device and electronic device pressure-sensitive detection method |
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| CN113655909A true CN113655909A (en) | 2021-11-16 |
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| CN202110975905.0A Pending CN113655909A (en) | 2021-08-24 | 2021-08-24 | Electronic device and electronic device pressure-sensitive detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582648A (en) * | 2022-02-28 | 2022-06-03 | 维沃移动通信有限公司 | Electronic equipment |
| CN115202432A (en) * | 2022-05-31 | 2022-10-18 | 宁波普瑞均胜汽车电子有限公司 | Method for identifying state of knob on screen and knob on screen |
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| CN108666171A (en) * | 2018-05-14 | 2018-10-16 | 维沃移动通信有限公司 | A kind of pressure-sensitive circuit board and terminal |
| CN110703959A (en) * | 2019-08-26 | 2020-01-17 | 华为技术有限公司 | Input device and method |
| CN112578942A (en) * | 2020-12-24 | 2021-03-30 | 深圳市洲明科技股份有限公司 | Display device, touch screen device, touch system and interaction method thereof |
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2021
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| KR20130091140A (en) * | 2012-02-07 | 2013-08-16 | 연세대학교 산학협력단 | Haptic feedback apparatus and method between touchscreen device and auxiliary device |
| CN108666171A (en) * | 2018-05-14 | 2018-10-16 | 维沃移动通信有限公司 | A kind of pressure-sensitive circuit board and terminal |
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| CN114582648A (en) * | 2022-02-28 | 2022-06-03 | 维沃移动通信有限公司 | Electronic equipment |
| CN115202432A (en) * | 2022-05-31 | 2022-10-18 | 宁波普瑞均胜汽车电子有限公司 | Method for identifying state of knob on screen and knob on screen |
| CN115202432B (en) * | 2022-05-31 | 2024-03-15 | 宁波普瑞均胜汽车电子有限公司 | On-screen knob state identification method and on-screen knob |
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