CN111385691B - An electronic device - Google Patents
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- CN111385691B CN111385691B CN201811640566.5A CN201811640566A CN111385691B CN 111385691 B CN111385691 B CN 111385691B CN 201811640566 A CN201811640566 A CN 201811640566A CN 111385691 B CN111385691 B CN 111385691B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses an electronic device. The electronic equipment comprises an electromagnetic exciter, a first load element and a second load element, wherein the electromagnetic exciter comprises a shell, a magnetic conduction vibrator, a coil and a first permanent magnet, a cavity is formed in the shell, the permanent magnet, the coil and the magnetic conduction vibrator are located in the cavity, the magnetic conduction vibrator comprises a fixed end and a suspending part which are mutually connected, the fixed end is fixed on the shell, a part of the suspending part is opposite to and spaced from the first permanent magnet, the suspending part comprises a connecting part, the shell is provided with a through hole, the connecting part extends out of the through hole and is used for being connected with the first load element or the second load element, the connecting part is connected with the first load element or the second load element, the electronic equipment further comprises a conversion device used for converting the connecting part between the first load element and the second load element, the coil responds to an alternating signal of an external circuit to generate an alternating magnetic field, the first permanent magnet is configured to interact with the suspending part, and the magnetic conduction vibrator drives the first load element or the second load element to vibrate.
Description
Technical Field
The invention relates to the technical field of electromagnetic vibration, in particular to electronic equipment.
Background
An electromagnetic actuator is a device which outputs force by adopting an electromagnetic transduction mode. The electromagnetic actuator is driven in a single direction, i.e. can only output force in one direction. In one aspect, a dual-sided speaking receiver is provided. In this scheme, the receiver includes: the device comprises a driving mechanism, a first vibrating diaphragm, a first shell, a second vibrating diaphragm and a second shell. The first vibrating diaphragm is positioned at one end of the driving mechanism, and the driving mechanism is used for driving the first vibrating diaphragm to vibrate and sound; the central hole of the first shell can be penetrated by the driving mechanism, and the opening end of the first vibrating diaphragm is connected with the first shell in a sealing way; the second vibrating diaphragm is positioned at the other end of the driving mechanism, and the driving mechanism is also used for driving the second vibrating diaphragm to vibrate and sound; the center hole of the second shell can be used for the driving mechanism to pass through, and the opening end of the second vibrating diaphragm is in sealing connection with the second shell.
In the actual working process of the receiver, the driving mechanism can drive the first vibrating diaphragm to vibrate and sound, at this time, sound generated by vibration of the first vibrating diaphragm can be guided out of the mobile terminal through the sound guide hole on the first sound-emitting cover body, and therefore the mobile terminal can realize front sound emission. Similarly, the driving mechanism can also drive the second vibrating diaphragm to vibrate and sound, at this time, sound generated by the vibration of the second vibrating diaphragm can be guided out of the mobile terminal through the sound guide hole on the second sound-emitting cover body, so that the mobile terminal can realize sound emission on the back surface. It can be seen that the mobile terminal can realize double-sided sounding.
However, this receiver is formed by arranging and connecting two single-directional sounding receiver units in opposite directions, each of which is a moving coil receiver. Although double-sided sounding can be achieved, the overall thickness of the receiver is inevitably increased because of the simple superposition of the two receiver units.
In addition, the telephone receiver has a complex structure and is difficult to assemble.
In addition, the receiver is a moving coil receiver, and the magnetic field utilization rate is not high.
Therefore, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
An object of the present invention is to provide a new solution for an electronic device.
According to a first aspect of the present invention, an electronic device is provided. The electronic equipment comprises an electromagnetic exciter, a first load element and a second load element, wherein the electromagnetic exciter comprises a shell, a magnetic conduction vibrator, a coil and a first permanent magnet, a cavity is formed in the shell, the permanent magnet, the coil and the magnetic conduction vibrator are positioned in the cavity, the first load element and the second load element are positioned outside the cavity, the magnetic conduction vibrator comprises a fixed end and a hanging part which are mutually connected, the fixed end is fixed on the shell, a part of the hanging part is opposite to and spaced from the first permanent magnet, the hanging part comprises a connecting part, the shell is provided with a through hole, the connecting part extends out of the through hole, the connecting part is used for being connected with the first load element or the second load element, the coil responds to an alternating signal of an external circuit and generates an alternating magnetic field, the first permanent magnet is configured to interact with the hanging part so as to drive the magnetic conduction vibrator to vibrate the magnetic conduction element or the second load element.
Optionally, the first load element and the second load element are respectively located at two sides of the magnetic conductive vibrator along the vibration direction.
Optionally, the magnetic conductive vibrator is in a T-shaped structure, the T-shaped structure includes a first edge and a second edge connected to one end of the first edge, the other end of the first edge is the fixed end, the connecting portion includes the second edge, and two ends of the second edge respectively correspond to the first load element and the second load element.
Optionally, the switching device includes two second permanent magnets disposed on the first load element and the second load element respectively, polarities of sides of the two second permanent magnets facing the connection portion are opposite, and after the connection portion is magnetized, one of the second permanent magnets is attracted to the connection portion.
Optionally, a momentary high current is passed in the coil to magnetize the connection, the momentary high current having a current magnitude that is greater than a current magnitude of the alternating signal.
Optionally, a buffer element is provided between the second permanent magnet and the first load element and/or between the second permanent magnet and the second load element.
Optionally, the coil is sleeved outside the suspended part, and a magnetic liquid is arranged between the coil and the magnetic conductive vibrator and/or between the first permanent magnet and the magnetic conductive vibrator.
Optionally, the housing includes a first housing and a second housing, and the fixed end is clamped and fixed between the housing walls of the first housing and the second housing.
Optionally, the first load element is an LED screen, an LCD screen or an OLED screen; the second load element is an LED screen, an LCD screen or an OLED screen.
Optionally, the first permanent magnet includes a first magnet and a second magnet that are oppositely disposed at both sides of the magnetically conductive vibrator in the vibration direction.
According to one embodiment of the present disclosure, the electronic device is provided with a first load element and a second load element. The connection relation between the magnetic conduction vibrator and the first load element or the second load element can be switched through the switching device. By the method, different load elements can be switched under different application scenes, so that different vibration directions, vibration modes, vibration feeling experiences and the like are provided.
In addition, the electromagnetic exciter adopts a magnetic conduction vibrator with a cantilever structure. Under the action of excitation of different frequencies, the magnetic conduction vibrator can present different vibration modes. Vibration modes under different frequencies can improve the vibration amplitude of the magnetic conduction vibrator in the frequency interval, so that the frequency band range of the electronic equipment is widened.
In addition, the electronic equipment adopts a set of electromagnetic exciter to drive two load elements, so that the thickness of the electronic equipment can be smaller, and the development trend of miniaturization, thinness and thinness of the electronic equipment is complied.
In addition, the electronic equipment is simple in structure and low in assembly difficulty.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is an exploded view of an electronic device according to one embodiment of the present disclosure.
Fig. 2 is a cross-sectional view of an electronic device according to one embodiment of the present disclosure.
Reference numerals illustrate:
11: a first housing; 12; a second housing; 13: a first magnet; 14: a second magnet; 16: a coil; 17: a fixing part; 18: a rubber pad; 19: a shielding sheet; 21: a first screen; 22: a second screen; 23: a third magnet; 24: a fourth magnet; 25: a magnetic conductive vibrator; 27: a second side; 28: FPCB;29: and a through hole.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
According to one embodiment of the present disclosure, an electronic device is provided. The electronic device may be, but is not limited to, a cell phone, tablet computer, smart watch, notebook computer, gaming machine, intercom, earphone, hearing aid, etc.
The electronic device includes an electromagnetic actuator, a first load element, and a second load element. As shown in fig. 1-2, the electromagnetic actuator includes a housing, a magnetically permeable vibrator 25, a coil 16, a first permanent magnet, a first load element (e.g., a first screen 21), and a second load element (e.g., a second screen 22). The interior of the housing forms a cavity. A part of the housing serves as a fixing portion 17. The magnetically permeable vibrator 25, the coil 16 and the first permanent magnet are arranged in the cavity. For example, the housing includes a first housing 11 and a second housing 12 that snap together. A cavity is formed inside the two shells 11, 12. For example, the housing may be square in overall shape. The first housing 11 forms a cavity having an open end. The second housing 12 is capped at the open end. The shell is made of metal, plastic, ceramic, glass and the like.
For example, the first housing 11 and the second housing 12 are made of a magnetically conductive material. The magnetically permeable material may be, but is not limited to, ferrite material, tungsten steel, SPCC, or the like. The materials have good magnetic conduction effect. Since the thickness of the first permanent magnet is typically small. The magnetizing direction is along the thickness direction. In this way, the two poles are prone to forming a magnetic short. The first permanent magnet is provided on the first housing 11 or the second housing 12. Because the two shells 11,12 have magnetic conductivity, the occurrence of magnetic short circuit can be effectively avoided, and the magnetism of the magnetic field formed by the first permanent magnet is obviously improved.
The magnetic vibrator 25 includes a fixed end and a suspended portion connected to each other. The magnetic vibrator 25 is made of a magnetic conductive material. The magnetically permeable material is as described above. For example, the entire magnetically conductive vibrator 25 has a bar-shaped structure, a sheet-shaped structure, or other structures.
The fixed end is fixed to the fixed portion 17. The fixing portion 17 may also be a component of the device in which the electrons are incorporated, such as a frame, an inner wall, etc.; the fixed end may be clamped to the wall of the housing. The part of the shell wall for fixing the fixing end is a fixing part 17. The suspending part is suspended in the cavity to form a cantilever structure. For example, as shown in fig. 1-2, the fixed end is fixed between the first housing 11 and the second housing 12. The fixing is formed by bonding, welding and clamping. This can firmly fix the magnetic vibrator 25.
The fixed end can be relatively fixed with the shell through other components. For example, the fixed end is clamped and fixed within the coil 16. The coil 16 is fixed to the housing by an adhesive or the like.
The suspending part is opposite to and spaced apart from the first permanent magnet to form a vibration space. The coil 16 is sleeved outside the suspending part. The coil 16 generates an alternating magnetic field in response to an alternating signal from an external circuit, and the magnetically permeable vibrator 25 is magnetized by the magnetic field. The first permanent magnet is configured to interact with the suspended portion to drive the magnetic vibrator 25 to vibrate, and the magnetic vibrator 25 drives the first load element or the second load element to vibrate.
The housing has a through hole 29. For example, a through hole 29 is provided on the opposite side of the housing from the fixing portion 17. The connection portion protrudes from the through hole 29. The first load element and the second load element are located outside the housing. In this way, the two load elements do not occupy space inside the housing. The volume of the electronic device can be made smaller. Furthermore, the components of the other devices may act as a first load element and a second load element.
The connection portion is for connection with the first load element or the second load element, and is capable of switching a connection relationship with the two load elements. For example, the electronic device further comprises switching means for switching the connection between the first load element and the second load element.
When the first load element needs to be driven to vibrate, the connecting part is connected with the first load element through the conversion device. At this time, the connection portion is not connected to the second load element.
When the second load element needs to be driven to vibrate, the connecting part is connected with the first load element through the conversion device. At this time, the connection portion is disconnected from the first load element.
The interaction force, i.e. the driving force, of the magnetically permeable vibrator 25 with the first permanent magnet can be calculated by the following formula:
Wherein,
Wherein M is the magnetization intensity of the medium, B is the magnetic induction intensity, n is the surface normal vector, mu r is the relative magnetic permeability of the magnetic medium, mu 0 is the vacuum magnetic permeability, and S is the area. If it is assumed that the magnetic field is uniform in the force-receiving area of the magnetically permeable vibrator, the above formula can also be expressed in the following simplified form:
it can be seen that the driving force of the magnetic vibrator 25 is proportional to the square of the magnetic induction intensity and the area. In general, the area of the magnetic vibrator affected by the application environment is hardly increased, and the improvement of the magnetic induction intensity of the first permanent magnet can effectively improve the driving force. For example, the magnetic induction is increased by providing a first permanent magnet of higher magnetic induction, or a plurality of first permanent magnets are used together, for example, the plurality of first permanent magnets form a halbach array to increase the magnetic induction.
In one example, as shown in fig. 1-2, the first permanent magnet includes a first magnet 13 and a second magnet 14 disposed opposite each other. The magnetic induction intensity of the magnetic field formed by the arrangement mode is uniform, so that the magnetic conduction vibrator 25 is uniformly stressed when vibrating. For example, the first magnet 13 and the second magnet 14 are each a bar magnet. The first magnet 13 and the second magnet 14 may be, but are not limited to, ferrite magnets and neodymium-iron-boron magnets.
The polarities of the sides of the first magnet 13 and the second magnet 14 that are close to each other are opposite. In this way, the magnetic induction strength of the magnetic field between the first magnet 13 and the second magnet 14 is stronger. The suspended portion is located between the first magnet 13 and the second magnet 14 and is spaced apart from the first magnet 13 and the second magnet 14. For example, the first magnet 13 and the second magnet 14 are symmetrically disposed on the upper and lower sides of the suspended portion in the vibration direction. The upper surface of the suspended portion faces the N pole of the first magnet 13, and the lower surface faces the S pole of the second magnet 14. When the coil 16 is energized, the suspended portion is magnetized to the N-pole.
In this way, the suspended portion repels the first magnet 13 and attracts the second magnet 14. This makes the suspended portion receive the magnetic force of the two magnets, and the directions of the two forces are the same. The driving force of the electromagnetic exciter is stronger, the amplitude is larger, and the vibration sensitivity is higher.
Of course, the first permanent magnets are not limited to two, but may be provided in more numbers. For example, a plurality of first permanent magnets are provided on the inner wall of the housing in the extending direction of the magnetic vibrator 25. It is also possible that the plurality of first permanent magnets form a helmholtz array to increase the magnetic properties.
Of course, the arrangement of the plurality of first permanent magnets is not limited thereto, and may be set according to actual needs by those skilled in the art.
In an embodiment of the invention, the electronic device is provided with a first load element and a second load element. The connection relation between the magnetic conduction vibrator and the first load element or the second load element can be switched through the switching device. By the method, different load elements can be switched under different application scenes, so that different vibration directions, vibration modes, vibration feeling experiences and the like are provided.
In one example, the first load element is a diaphragm, a weight, or a plate for sound production. The second load element is a vibrating diaphragm, a balancing weight or a plate for sounding. The diaphragm and the weight are common general knowledge in the art and will not be described in detail here. The board for sound production may be, but is not limited to, a housing of the electronic terminal, a screen (e.g., the first screen 21 and the second screen 22), a PCB, an FPCB, and the like.
For example, the first load element is an element for sound production, such as a diaphragm, a screen, for example, the first screen 21 and the second screen 22), and the like. The second load element is a counterweight, e.g., a metal block, a plastic block, a ceramic block, a glass block, etc. In this example, the electronic device is configured to sound when the magnetically permeable vibrator drives the first load element; when the magnetic conductive vibrator drives the second load element, the electronic device is used for providing vibration experience, such as vibration prompt of touch control.
In one example, the first load element and the second load element are located on both sides of the magnetically permeable vibrator in the vibration direction, respectively. In this example, when the magnetically permeable vibrator is connected to one of the load elements (e.g., the first load element), the magnetically permeable vibrator is simultaneously remote from the other load element (e.g., the second load element) such that vibration of the magnetically permeable vibrator does not affect the second load element.
In one example, as shown in fig. 2, the overhang extends through the coil 16 and out one end of the coil 16. At least part of the portion of the suspended portion located outside the coil 16 is opposed to the first permanent magnet. The coil 16 has a hollow structure. The overhang extends axially along the coil 16. The part of the overhang is located in the bore of the coil 16. In this way, the arrangement of the magnetic vibrator 25 makes full use of the space inside the coil 16, which is advantageous for the miniaturization design of the electronic device.
Further, the suspended portion is located at the center of the coil 16. This makes the suspended portion magnetized more sufficiently, and the magnetism is stronger, and the driving force of the electromagnetic actuator is greater.
In other examples, the coil 16 is located outside of the overhang. In this arrangement, the magnetic vibrator 25 can be magnetized as well.
Preferably, the coil 16 is spaced from the suspension to provide a vibration space for vibration of the suspension. In this way, the length of the suspended portion can be lengthened, so that the amplitude of the electromagnetic actuator is greater.
In addition, the heat dissipation effect of the coil 16 is better due to the arrangement of the coils at intervals.
In other examples, a multi-point support is formed between the coil 16 and the suspended portion. In this arrangement, the heat dissipation of the coil 16 is quicker, and the long-term use effect of the electronic device is improved.
In one example, as shown in fig. 1, the magnetically permeable vibrator has a T-shaped structure. The T-shaped structure includes a first edge and a second edge 27 connected at one end of the first edge. One end of the first side is connected to the middle of the second side 27. The other end of the first edge is a fixed end. The fixed end is clamped and fixed between the walls of the first housing 11 and the second housing 12. The connecting portion includes a second edge 27. The second side 27 has opposite ends corresponding to the first and second load elements, respectively. When it is desired to drive a first load element (e.g., the first screen 21), one end (referred to as the first end) of the second side 27 is connected to the first load element, and the other end (referred to as the second end) is disconnected from the second load element; when it is desired to drive a second load element (e.g., the second screen 22), the second end is connected to the second load element and the first end is disconnected from the first load element. The T-shaped structure is easy to manufacture and process, and occupies small space.
In one example, as shown in fig. 1-2, the switching device includes two second permanent magnets disposed on a first load element and a second load element, respectively. The polarities of the two second permanent magnets facing the connecting part are opposite, and after the connecting part is magnetized, one of the two second permanent magnets is attracted with the connecting part. For example, the two second permanent magnets are a third magnet 23 and a fourth magnet 24, respectively.
In use, a momentary high current is first applied to the coil 16 to magnetize the magnetically permeable vibrator 25. After being magnetized, the magnetic vibrator 25 instantaneously moves to one side by the action of the magnetic attraction (for example, the magnetic force from the third magnet 23). When the set displacement is exceeded, the first end of the magnetic vibrator 25 is instantaneously and firmly attracted to the third magnet 23. Thus, the magnetically permeable vibrator 25 is coupled to a first load element (e.g., the first screen 21). After that, when an ac signal is applied to the coil 16, the magnetic vibrator 25 vibrates the first screen 21.
In switching, a momentary high current is applied to the coil 16 in the opposite direction to magnetize the magnetic vibrator 25 to the opposite polarity. After being magnetized, the magnetic vibrator 25 instantaneously moves to the other side by the repulsive force of the third magnet 23 and the magnetic attraction of the fourth magnet 24. When the set displacement is exceeded, the second end of the magnetic vibrator 25 is instantaneously and firmly attracted to the fourth magnet 24. Thus, the magnetically permeable vibrator 25 is connected to a second load element (e.g., the second screen 22). After that, when an ac signal is applied to the coil 16, the magnetic vibrator 25 vibrates the second screen 22.
The instantaneous high current is a direct current, and the current is greater than the alternating signal of the coil 16, for example, by more than 2 times the current when the coil 16 is operating normally. The magnitude of the alternating current does not reach the magnitude of the instantaneous high current, so that the attraction state of the magnetic vibrator 25 is not changed.
In this example, the switching operation is made very easy by switching the connection relationship between the connection portion and the two load elements by applying instantaneous high currents in different directions in the coil 16.
In addition, in this example, it is not necessary to redesign components other than the two load elements, so that the structure of the conversion device is simple, the design is easy, and the volume of the electronic apparatus is small.
Furthermore, the electromagnetic actuator can switch the connection relation between the first screen 21 and the second screen 22 through the switching device, thereby realizing that the first screen 21 or the second screen 22 is driven to radiate sound in different directions respectively.
In addition, the electromagnetic exciter adopts a magnetic conduction vibrator with a cantilever structure. Under the excitation of different frequencies, the magnetic vibrator 25 can present different vibration modes. Vibration modes at different frequencies can improve the vibration amplitude of the magnetic conductive vibrator 25 in the frequency range, so that the frequency band range of the electronic equipment is widened.
In addition, the electronic equipment adopts a set of electromagnetic exciter to drive two screens, so that the thickness of the electronic equipment can be smaller, and the development trend of miniaturization, thinness and thinness of the electronic equipment is complied with.
In addition, the electronic equipment is simple in structure and low in assembly difficulty.
In one example, a buffer element is provided between the second permanent magnet and the first load element and/or between the second permanent magnet and the second load element. The buffer element is used for buffering the impact force between the magnetic conductive vibrator 25 and the second permanent magnet, and preventing the second permanent magnet from being damaged. For example, the material of the buffer element can be, but is not limited to, rubber, silica gel, spring, etc.
For example, the third magnet 23 and the fourth magnet 24 are each sheet-shaped. The third magnet 23 is bonded to the rubber pad 18 by an adhesive, and the other surface of the rubber pad 18 is bonded to the first screen 21. The fourth magnet 24 is bonded to the rubber pad 18 by an adhesive, and the other side of the rubber pad 18 is bonded to the second screen 22.
In other examples, the first load element and the second load element are detachably connected with the connection portion. The conversion device comprises a manipulator. The manipulator can stir the magnetic conduction vibrator 25 to be close to one of the load elements and connect the load elements.
In one example, the entirety of the second housing 12 is in a sheet-like structure. A shielding sheet is provided on the outer side of the second housing 12. The shielding sheet is made of magnetic conductive materials, can play a role in magnetic conduction, reduces the occurrence of magnetic leakage, and enables the magnetic field of the first permanent magnet to be stronger and the driving force of the electromagnetic exciter to be larger.
As shown in fig. 1, the second housing 12 has a protruding portion protruding from a side wall of the first housing 11, and the FPCB28 is provided on the protruding portion. The FPCB28 is electrically connected to the coil 16. The external device supplies power to the coil 16 through the FPCB28. A shielding sheet 19 is provided on the side of the second housing 12 remote from the cavity. The shielding edge 19 can effectively shield the interference of the external magnetic field.
In one example, a magnetic fluid is filled between the flying portion and the first permanent magnet and/or between the flying portion and the coil 16. For example, a gap is formed between the suspended portion and the first permanent magnet. A magnetic fluid is disposed in the gap. The magnetic liquid is formed by mixing nanoscale magnetic solid particles, a base carrier liquid and a surfactant, and is stable colloidal liquid. The magnetic liquid does not show magnetism when static; when an externally applied magnetic field acts, the magnetic liquid is magnetized and shows magnetism. The magnetic liquid has viscosity and can generate damping, so that the vibration of the magnetic conduction vibrator 25 is more stable.
In addition, the magnetic liquid has magnetic conduction characteristics. Therefore, the magnetic liquid can be adsorbed in the area with high magnetic field intensity of the suspended part, can not flow randomly, and has high stability.
The two load elements are not limited to being both screens. In one example, the first load element and the second load element are each a weight, or two housing walls of the electronic terminal, e.g., the two housing walls differ in mass, providing a different vibration-feel experience. Or may be used for a vibration therapeutic apparatus. Different vibration forces, vibration speeds and the like are realized by converting the balancing weights with different masses.
The first load element may be a screen of the electronic terminal; the second load element is a housing wall of the electronic terminal. When switching to screen vibration, the electronic equipment is used as a screen sounding device; when switching to the wall vibration, the electronic device acts as a vibration motor.
The electronic terminal has the characteristics of large amplitude and good vibration effect.
While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811640566.5A CN111385691B (en) | 2018-12-29 | 2018-12-29 | An electronic device |
| PCT/CN2019/127239 WO2020135282A1 (en) | 2018-12-29 | 2019-12-21 | Electronic device |
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| CN201811640566.5A CN111385691B (en) | 2018-12-29 | 2018-12-29 | An electronic device |
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| CN111385691A CN111385691A (en) | 2020-07-07 |
| CN111385691B true CN111385691B (en) | 2024-11-22 |
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| WO (1) | WO2020135282A1 (en) |
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| CN209057343U (en) * | 2018-12-29 | 2019-07-02 | 歌尔股份有限公司 | an electronic device |
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|---|---|---|---|---|
| CN204498372U (en) * | 2015-04-20 | 2015-07-22 | 常州阿木奇声学科技有限公司 | A kind of small size speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly |
| CN205883573U (en) * | 2016-08-12 | 2017-01-11 | 深圳倍声声学技术有限公司 | Prevent falling receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111385691A (en) | 2020-07-07 |
| WO2020135282A1 (en) | 2020-07-02 |
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