CN114758908A - Key structure and electronic equipment - Google Patents
Key structure and electronic equipment Download PDFInfo
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- CN114758908A CN114758908A CN202210382650.1A CN202210382650A CN114758908A CN 114758908 A CN114758908 A CN 114758908A CN 202210382650 A CN202210382650 A CN 202210382650A CN 114758908 A CN114758908 A CN 114758908A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 230000003068 static effect Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 210000003811 finger Anatomy 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
- H01H13/85—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback characterised by tactile feedback features
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a key structure and electronic equipment, wherein the key structure comprises a shell, a key assembly and a linear driving assembly, wherein the key assembly is movably arranged on the shell; the linear driving assembly comprises a stator fixedly arranged in the shell, and a rotor movably arranged in the shell along the moving direction of the key assembly, the rotor is in driving connection with the key assembly, wherein one of the stator and the rotor is of a coil structure, the other is of a magnet structure, the magnet structure is provided with a magnetic field, the coil structure is located in the magnetic field, the coil structure comprises an iron core and coils wound on the periphery of the iron core, a balance magnet is arranged on the side of the iron core close to the magnet structure, the magnetizing direction of the balance magnet is opposite to that of the part correspondingly arranged with the magnet structure, and the static magnetic force between the magnet part and the iron core is offset so as to prevent the iron core from fluctuating in the moving process, and the problem that the magnetic driving force is unstable when the driving force of the conventional key structure is increased is solved.
Description
Technical Field
The invention relates to the field of game equipment, in particular to a key structure and electronic equipment.
Background
At present, in order to improve user experience, a variety of force feedback devices are added to a game console device of a home game device to realize interaction between game content and a player.
The existing force feedback scheme has the advantages that the mechanical spring is used for providing the effect of non-electrified reference force feedback, the lorentn magnetic force provided by the electrified coil is used as the driving force, the reference force can be adjusted by controlling the current direction and the size of the coil, the size and the direction of the coil can be adjusted, the adjustable tactile feedback is realized, the lorentn magnetic force generated by the electrified coil is only relied on, the requirement for the large driving force is difficult to meet, the static magnetic force can be introduced into the lorentn magnetic force simultaneously, and the magnetic driving mode is unstable.
Disclosure of Invention
The invention mainly aims to provide a key structure, and aims to solve the problem that magnetic driving is unstable when the driving force is increased in the conventional key structure.
In order to achieve the above object, the present invention provides a key structure, wherein the key structure includes:
a housing;
the key assembly is movably arranged on the shell; and the number of the first and second groups,
the linear driving assembly comprises a stator fixedly arranged in the shell and a rotor movably arranged in the shell along the moving direction of the key assembly, the rotor is in driving connection with the key assembly, one of the stator and the rotor is of a coil structure, the other of the stator and the rotor is of a magnet structure, a magnetic field is formed by the magnet structure, the coil structure is located in the magnetic field, and the coil structure comprises an iron core and a coil wound on the periphery of the iron core;
the coil assembly further comprises balance magnets arranged on two sides of the iron core, the magnet structure is provided with two magnet parts correspondingly arranged with the balance magnets, and the magnetizing directions of the balance magnets and the magnetizing directions of the magnet parts are reversely arranged.
Optionally, the stator comprises the magnet structure and the mover comprises the coil structure;
the magnetic structure comprises at least two groups of magnet groups, each magnet group comprises two magnets, a magnetic gap is formed between the two magnets, and the coil structure is arranged in the magnetic gap;
the two groups of magnet groups are arranged in the moving direction, and the magnetizing directions of the magnets of the two groups of magnet groups positioned on the same side of the magnetic gap are arranged in opposite directions, so that the magnetic field directions of the magnetic gap at the positions corresponding to the two groups of magnet groups are opposite;
the two opposite edges of the coil structure in the moving direction are correspondingly positioned in the magnetic gaps corresponding to the two groups of magnet groups;
the two magnet parts are arranged between the two magnet groups in the moving direction of the key assembly.
Optionally, the housing includes a plurality of side portions, the plurality of side portions enclose a mounting channel extending along the moving direction, the plurality of side portions include a first side portion and a second side portion that are oppositely disposed, and the key assembly is slidably disposed in the mounting channel along the moving direction;
the magnet structure and the coil structure are stacked between the first side portion and the second side portion.
Optionally, the button structure still includes the mounting bracket, the mounting bracket is located along moving direction slidable the installation passageway to have expose locate the outer first end of installation passageway and be located the second end in the installation passageway, first end with key subassembly is connected, the second end is formed with the mounting groove, the mounting groove is used for the holding the active cell.
Optionally, the mounting groove is an annular groove, and the flat coil is clamped in the annular groove.
Optionally, the housing comprises a magnetic yoke arranged in correspondence with the magnet structure.
Optionally, the button structure further includes a controller, a displacement sensor and a power supply module, the displacement sensor is used for detecting a displacement signal of the button assembly, and the controller is electrically connected to the displacement sensor and the power supply module to control the current magnitude and the current direction of the power supply module according to the displacement signal.
Optionally, the button structure further includes a reset member, and the reset member and the mover jointly act on the button assembly when the button assembly moves.
The invention further provides an electronic device, which further comprises the key structure, and the key structure comprises:
a housing;
the key assembly is movably arranged on the shell; and the number of the first and second groups,
the linear driving assembly comprises a stator fixedly arranged in the shell and a rotor movably arranged in the shell along the moving direction of the key assembly, the rotor is in driving connection with the key assembly, one of the stator and the rotor is of a coil structure, the other of the stator and the rotor is of a magnet structure, a magnetic field is formed by the magnet structure, the coil structure is located in the magnetic field, and the coil structure comprises an iron core and a coil wound on the periphery of the iron core;
the iron core is provided with a balance magnet on the side close to the magnet structure, and the magnetizing direction of the balance magnet is opposite to that of the part of the magnet structure correspondingly arranged.
Optionally, the electronic device includes a game operating apparatus or a mobile terminal device.
In the technical scheme provided by the invention, when virtual feedback force needs to be simulated and the movement stroke of the key is not directly connected, one of the rotor and the stator is set to be a coil structure, the other is set to be a magnet structure, the coil structure is positioned in a magnetic field generated by the magnet structure, because the coil assembly comprises a coil and an iron core, the coil generates interactive ampere force between the coil and the magnet structure under the power-on state according to the left-hand rule, so that the coil is fed back to the rotor, meanwhile, the coil is wound on the peripheral side of the iron core, the iron core generates magnetism according to the right-hand rule, the magnetic pole direction of the iron core is mutually attracted or repelled with the magnetic field direction of the magnet structure, so that the iron core can move along the movement direction of the key assembly relative to the magnet structure, and when the coil is driven by the ampere force, the static magnetic force borne by the iron core is also superposed, the iron core can bear the static magnetic force of the magnet part correspondingly arranged when moving, the static magnetic force enables the stroke of the iron core to show cosine change fluctuation, and the balance magnet is arranged on the side edge of the iron core close to the magnet structure, and the magnetizing direction of the balance magnet is arranged in the opposite direction to the magnetizing direction of the part correspondingly arranged on the magnet structure, so that the static magnetic force between the magnet part and the iron core is offset, the iron core is prevented from fluctuating in the moving process, and the problem of unstable magnetic drive caused by the fact that the driving force is increased by the existing key structure is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of an embodiment of a key structure according to the present invention;
FIG. 2 is a schematic cross-sectional view of the key structure shown in FIG. 1;
FIG. 3 is a cross-sectional schematic view of the magnet structure and coil structure of FIG. 1;
FIG. 4 is a magnetic pole schematic of the magnet structure and coil structure of FIG. 1;
FIG. 5 is a view of the magnet structure of FIG. 1 in a charging orientation;
fig. 6 shows the magnetizing directions of the magnet part and the balance magnet in fig. 1.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
40 | Coil structure |
| 1 | |
41 | Iron core |
| 11 | A |
42 | Coil |
| 12 | |
43 | |
| 2 | |
431 | Magnet part |
| 3 | |
5 | |
| 30 | Magnet structureStructure of the organization | 6 | |
| 31 | |
7 | Magnetic yoke |
| 4 | Mover |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative position relationship between the components, the motion situation, and the like under a certain posture (as shown in the drawing), and if the certain posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
At present, for improving user experience, a force feedback device is designed on game control handle equipment (comprising a traditional game handle, an AR/VR novel handheld handle and the like), and multiple force feedback modes are added, so that interaction between game content and a player is realized, and a real force feedback effect is simulated. And the scheme of current force feedback uses traditional compression spring and ordinary rotor motor to drive the gear box cooperation and realizes pivot formula force feedback effect, and the monomer occupation space is big, and the module structure is complicated, is difficult to the miniaturization.
In order to solve the above problems, the present invention provides a key structure, and fig. 1 to 6 are specific embodiments of the key structure provided by the present invention.
Referring to fig. 1 to 6, the key structure includes a housing 1, a key assembly 2 and a linear driving assembly, wherein the key assembly 2 is movably disposed on the housing 1; the linear driving assembly comprises a stator 3 fixedly arranged in the casing 1 and a mover 4 movably arranged in the casing 1 along the moving direction of the key assembly 2, the mover 4 is in driving connection with the key assembly 2, wherein one of the stator 3 and the mover 4 is a coil structure 40, the other is a magnet structure 30, the magnet structure 30 forms a magnetic field, the coil structure 40 is located in the magnetic field, and the coil structure 40 comprises an iron core 41 and a coil 42 wound around the iron core 41; the coil 42 assembly further includes a balance magnet 43 disposed on two sides of the iron core 41, the magnet structure 30 has two magnet portions 431 disposed corresponding to the balance magnet 43, and a magnetizing direction of the balance magnet 43 is opposite to a magnetizing direction of the magnet portions 431.
In the technical solution provided by the present invention, when there is no direct connection between the virtual feedback force to be simulated and the movement stroke of the key, one of the mover 4 and the stator 3 is set as the coil structure 40, the other is set as the magnet structure 30, the coil structure 40 is in the magnetic field generated by the magnet structure 30, because the coil 42 assembly includes the coil 42 and the iron core 41, the coil 42 generates an interactive ampere force between the coil 42 and the magnet structure 30 in the energized state according to the left-hand rule, so as to feed back the interactive ampere force to the mover 4, and at the same time, the periphery of the iron core 41 is wound with the coil 42, according to the right-hand rule, the iron core 41 generates magnetism, the magnetic pole direction of which attracts or repels the magnetic field direction of the magnet structure 30, so that the iron core 41 can move in the movement direction of the key assembly 2 relative to the magnet structure 30, the coil 42 is driven by ampere force, and simultaneously, the static magnetic force received by the iron core 41 is also superposed, because the iron core 41 is moved, the corresponding static magnetic force of the magnet part 431 is received, the static magnetic force enables the stroke of the iron core 41 to show cosine change fluctuation, the balance magnet 43 is arranged at the side edge of the iron core 41 close to the magnet structure 30, because the magnetizing direction of the balance magnet 43 is opposite to the magnetizing direction of the part correspondingly arranged on the magnet structure 30, the static magnetic force between the magnet part 431 and the iron core 41 is offset, so as to prevent the iron core 41 from fluctuating in the moving process, and the problem of unstable magnetic force driving caused by the increase of driving force of the existing key structure is solved.
Specifically, referring to fig. 2 to 5, in this embodiment, the stator 3 includes the magnet structure 30, the mover 4 includes the coil structure 40, the magnet structure 30 includes at least two sets of magnet groups 31, each of the magnet groups 31 includes two magnets 311, a magnetic gap is formed between the two magnets 311, the coil structure 40 is disposed in the magnetic gap, when the coil structure 40 is energized with an alternating current, a portion of the coil structure 40 in the magnetic gap generates an ampere force, which can be determined according to a left-hand rule: the left hand is stretched to enable the thumb to be perpendicular to the other four fingers and in the same plane, so that the magnetic induction lines flow in from the palm of the hand, the four fingers point to the current direction, and the thumb points to the ampere force direction (namely the conductor stress direction). Therefore, the direction of the force applied to the coil structure 40 in the magnetic field can be obtained, when the resistance sense of the feedback force needs to be increased, the current direction in the coil structure 40 can be set to be the direction of the generated ampere force facing the finger of the user, and when the leakage sense needs to be provided, the current direction in the coil structure 40 can be set to be the direction of the generated ampere force facing away from the finger of the user. It should be noted that, since the ampere force is a force generated by the interaction between the magnet 311 and the energized conductive line, it is understood that the stator 3 may include two magnets 311, the mover 4 includes the coil structure 40, when the two magnets 311 are fixed to the housing 1, the coil structure 40 is driven to move by the ampere force, of course, when the coil structure 40 is fixed to the housing 1, the ampere force acts on the two magnets 311, the coil structure 40 may be regarded as the stator 3, and the two magnets 311 may be regarded as the mover 4. In this embodiment, two sets of the magnet sets 31 are arranged in the moving direction, the magnetizing directions of the magnets 311 of the two sets of the magnet sets 31 located on the same side of the magnetic gap are oppositely arranged, so that the magnetic fields of the magnetic gap corresponding to the two sets of the magnet sets 31 are opposite, and two oppositely arranged sides of the coil structure 40 in the moving direction are correspondingly located in the magnetic gap corresponding to the two sets of the magnet sets 31, so that the two oppositely arranged sides of the coil structure 40 in the moving direction can simultaneously sense the same direction of ampere force, and the theoretical value of the feedback force is doubled. Of course, adjusting the magnitude of the feedback force can change the current value of the coil structure 40 in addition to providing more magnet sets 31 and coil structures 40, and the larger the current value is, the larger the ampere force is, and conversely, the smaller the ampere force is, the two magnet portions 431 are provided between the two magnet sets 31 in the moving direction of the key assembly 2.
In addition, when two sets of magnet groups 31 are provided, in order to make the magnetic fields of the two sets of magnet groups 31 more concentrated, the magnetizing directions of the two magnet portions 431 need to be set perpendicular to the magnetizing direction of the magnet 311, but in such a configuration, a static magnetic force is generated between the two magnet portions 431 and the iron core 41, and the static magnetic force affects the translational movement of the iron core 41. By providing the balance magnet 43 and arranging the magnetizing direction thereof opposite to the magnetizing direction of the magnets 431, the static magnetic force of the balance magnet 43 acting on the core 41 exhibits a sine wave, which exactly cancels out the static magnetic force of the two magnet portions 431 acting on the core 41 exhibiting a cosine wave, to balance the static magnetic force. Also in the present embodiment, the size relationship of the balance magnet 43 and the iron core 41 can be set appropriately to adjust the peak value of the static magnetic force in the sine and cosine wave relationship.
Specifically, in order to match with the flat and ultra-thin design of the coil structure 40, please refer to fig. 3, in this embodiment, the housing 1 includes a plurality of side portions, the side portions enclose a mounting channel extending along the moving direction, preferably, the cross section of the mounting channel is rectangular, the side portions include a first side portion 11 and a second side portion 12 which are oppositely disposed, the key assembly 2 is slidably disposed in the mounting channel along the moving direction, and the magnet structure 30 and the coil structure 40 are stacked between the first side portion 11 and the second side portion 12, so that the key structure is compact in the thickness direction and suitable for different types of handle triggers.
Specifically, in this embodiment, the button structure still includes mounting bracket 5, mounting bracket 5 is followed the moving direction slidable locates the installation passageway to have and expose and locate first end outside the installation passageway and being located the second end in the installation passageway, first end with key subassembly 2 is connected, through setting up mounting bracket 5 can make key subassembly 2 is in obtain bigger activity stroke in the moving direction for user operation experiences and feels stronger, and the second end is formed with the mounting groove, the mounting groove is used for holding coil structure 40, when coil structure 40 receives the drive of ampere-force, coil structure 40 is to the effort is applyed to the lateral wall of mounting groove, thereby realizes the magnetic drive's of key subassembly 2 force feedback.
Further, in order to achieve the thinness possible, in this embodiment, the mounting groove is an annular groove, the coil structure 40 is held in the annular groove, and the peripheral side of the coil structure 40 is held by the peripheral wall of the annular groove, and the annular groove may be set to have the same height as the coil structure 40 or smaller in size to achieve the flattening while ensuring the strength of the mounting bracket 5.
Since the magnet structure 30 has a magnetic field, in order to enable the magnetic field generated by the magnet structure 30 to act on the coil structure 40 with maximum energy efficiency, in the present embodiment, the housing 1 includes the yoke 7 provided corresponding to the magnet structure 30, and since the magnetic permeability of the yoke 7 is high, the magnetic field can be constrained so that the magnetic field of the magnet structure 30 can exert great energy efficiency.
In this embodiment, the button structure further includes a controller, a displacement sensor and a power supply module, the power supply module is used for supplying currents with different magnitudes and different current directions to the coil structure 40, the displacement sensor is used for detecting a displacement signal of the button assembly 2, and the controller is electrically connected with the displacement sensor and the power supply module to control the current magnitude and the current direction of the power supply module according to the displacement signal.
Further, please refer to fig. 2, in this embodiment, the key structure further includes a reset element 6 disposed between the key assembly 2 and the housing 1, and configured to act on the key assembly 2 together with the mover 4 when the key assembly 2 moves, where the reset element 6 is specifically a spring, one end of the spring is connected to the key assembly 2, and the other end of the spring is connected to the housing 1, so that the key assembly 2 deforms when moving relative to the housing 1, and generates an elastic restoring force to provide a restoring force. When a user finger needs to press the key assembly 2, the elastic force generated by the reset piece 6 is fed back to the user finger and provides the reset force for resetting the key assembly 2, and in the operation process of pressing the key assembly 2, the resultant force formed by the elastic force generated by the reset piece 6 and the electromagnetic force between the mover 4 and the stator 3 is fed back to the user finger.
In practical application, when a user uses a game, the user pulls a trigger to press the key assembly 2 to perform game operation, for example, if the game is the racing game operation, when an automobile in the game is in a static state, no current is generated in game information, and at this time, after the user presses down the key assembly 2, the sensed feedback force is the reset elastic force generated by the reset piece 6; when the automobile is started, the resistance in a game scene is small at this time, the current provided by the power supply module is negative current, the negative current passes through the coil structure 40, the direction of the ampere force generated between the negative current and the magnet structure 30 is opposite to the direction of the repulsive force, and the feedback force felt by the user is the resultant force of subtracting the ampere force from the reset elastic force, namely, the game feedback force felt by the user is small and is easy to start; similarly, when the automobile collides with an obstacle, the current provided by the power supply module is the forward current, and the direction of the ampere force is the same as that of the reset elastic force, so that the game feedback force felt by the user is the sum of the reset elastic force and the ampere force, and the feedback force corresponding to the game content is increased and is difficult to start.
The present invention further provides an electronic device, which may be a game pad, a game machine, a game operating device, or a mobile terminal device, and the electronic device includes the key structure, and the specific structure of the key structure refers to the above embodiments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A key structure, comprising:
a housing;
the key assembly is movably arranged on the shell; and the number of the first and second groups,
the linear driving assembly comprises a stator fixedly arranged in the shell and a rotor movably arranged in the shell along the moving direction of the key assembly, the rotor is in driving connection with the key assembly, one of the stator and the rotor is of a coil structure, the other of the stator and the rotor is of a magnet structure, a magnetic field is formed by the magnet structure, the coil structure is located in the magnetic field, and the coil structure comprises an iron core and a coil wound on the periphery of the iron core;
the coil assembly further comprises balance magnets arranged on two sides of the iron core, the magnet structure is provided with two magnet parts correspondingly arranged with the balance magnets, and the magnetizing directions of the balance magnets and the magnetizing directions of the magnet parts are reversely arranged.
2. The key structure of claim 1, wherein said stator includes said magnet structure and said mover includes said coil structure;
the magnet structure comprises at least two groups of magnet groups, each magnet group comprises two magnets, a magnetic gap is formed between the two magnets, and the coil structure is arranged in the magnetic gap;
the two groups of magnet groups are arranged in the moving direction, and the magnetizing directions of the magnets of the two groups of magnet groups positioned on the same side of the magnetic gap are arranged in opposite directions, so that the magnetic field directions of the magnetic gap at the positions corresponding to the two groups of magnet groups are opposite;
the two opposite edges of the coil structure in the moving direction are correspondingly positioned in the magnetic gaps corresponding to the two groups of magnet groups;
the two magnet parts are arranged between the two magnet groups in the moving direction of the key assembly.
3. The key structure of claim 1, wherein the housing includes a plurality of side portions, the plurality of side portions enclosing a mounting channel extending along the direction of movement, the plurality of side portions including first and second oppositely disposed side portions, the key assembly slidably disposed in the mounting channel along the direction of movement;
the magnet structure and the coil structure are stacked between the first side portion and the second side portion.
4. The key structure of claim 3, further comprising a mounting bracket slidably disposed in the mounting channel along the moving direction to have a first end exposed outside the mounting channel and a second end located inside the mounting channel, wherein the first end is coupled to the key assembly, and the second end is formed with a mounting groove for receiving the mover.
5. The key structure of claim 4, wherein the mounting groove is an annular groove, and the flat coil is held in the annular groove.
6. The key structure of claim 1, wherein the housing includes a yoke disposed in correspondence with the magnet structure.
7. The key structure of claim 1, further comprising a controller, a displacement sensor and a power supply module, wherein the displacement sensor is configured to detect a displacement signal of the key assembly, and the controller is electrically connected to the displacement sensor and the power supply module to control a current magnitude and a current direction of the power supply module according to the displacement signal.
8. The key structure of claim 1, further comprising a reset element for cooperating with the mover to act on the key assembly when the key assembly is moved.
9. An electronic device, characterized in that it comprises a key structure according to any one of claims 1 to 8.
10. The electronic device of claim 9, wherein the electronic device comprises a game operating apparatus or a mobile terminal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210382650.1A CN114758908A (en) | 2022-04-11 | 2022-04-11 | Key structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210382650.1A CN114758908A (en) | 2022-04-11 | 2022-04-11 | Key structure and electronic equipment |
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| CN114758908A true CN114758908A (en) | 2022-07-15 |
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| CN202210382650.1A Pending CN114758908A (en) | 2022-04-11 | 2022-04-11 | Key structure and electronic equipment |
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| CN215580850U (en) * | 2021-05-14 | 2022-01-18 | 歌尔股份有限公司 | Linear vibration motor |
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