CN111817526A - Exciter and electronic terminal - Google Patents
Exciter and electronic terminal Download PDFInfo
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- CN111817526A CN111817526A CN202010764794.4A CN202010764794A CN111817526A CN 111817526 A CN111817526 A CN 111817526A CN 202010764794 A CN202010764794 A CN 202010764794A CN 111817526 A CN111817526 A CN 111817526A
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- voice coil
- vibrator
- exciter
- fixedly connected
- electronic terminal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
- B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses an exciter and an electronic terminal, wherein the exciter is used for the electronic terminal, the electronic terminal comprises a fixed part and two vibrating parts respectively arranged at two opposite sides of the fixed part, and the exciter comprises: the stator component is fixedly connected with the fixing part; the two vibrator assemblies are respectively arranged on two opposite sides of the stator assembly and are respectively used for being fixedly connected with the two vibrating parts in a one-to-one correspondence manner; through the electromagnetic action, the two vibrator components can generate vibration relative to the stator component and respectively drive the two vibration parts to vibrate and sound. The technical scheme of the invention can achieve the effect of enhancing the sound of the electronic terminal.
Description
Technical Field
The present invention relates to the field of electronic devices, and in particular, to an exciter and an electronic terminal.
Background
At present, some electronic terminals (such as mobile phones, tablet computers, and the like) are provided with an exciter, and the exciter only drives a screen or a rear shell to vibrate and sound, that is, only a single surface of the electronic terminal is enabled to sound, and the strength of the sound emitted is insufficient.
Disclosure of Invention
The main object of the present invention is to propose an actuator intended to enhance the sound of an electronic terminal provided with such an actuator.
In order to achieve the above object, the present invention provides an exciter for an electronic terminal, the electronic terminal including a fixing portion and two vibrating portions respectively disposed at two opposite sides of the fixing portion, the exciter comprising:
the stator component is fixedly connected with the fixing part; and
the two vibrator assemblies are respectively arranged on two opposite sides of the stator assembly and are respectively used for being fixedly connected with the two vibrating parts in a one-to-one correspondence manner;
through the electromagnetic action, the two vibrator components can generate vibration relative to the stator component and respectively drive the two vibration parts to vibrate and sound.
Optionally, the stator assembly includes a first support and a first voice coil fixedly disposed on the first support, and the first support is used for being fixedly connected to the fixing portion;
the vibrator component comprises a shell and a first magnet fixedly arranged in the shell, and the shell is used for being fixedly connected with the vibrating part;
the first voice coil generates electromagnetic action with the first magnet after being electrified so as to enable the vibrator component to vibrate.
Optionally, the first voice coil is a flat voice coil;
for each vibrator assembly, the first magnet comprises two oppositely arranged sub-magnets, and a magnetic gap is formed between the two sub-magnets at intervals; the magnetizing directions of the two sub-magnets are the same and are perpendicular to the vibration direction of the vibrator assembly, and the magnetizing directions of the sub-magnets of different vibrator assemblies are opposite;
one side of the flat voice coil is movably inserted into the magnetic gap of one vibrator assembly, and the other side of the flat voice coil is movably inserted into the magnetic gap of the other vibrator assembly.
Optionally, the first bracket is provided with a mounting groove, and one side of the flat voice coil is accommodated and fixed in the mounting groove.
Optionally, the stator assembly includes a second bracket having two oppositely facing mounting surfaces, and two second magnets respectively disposed on the two mounting surfaces, and the second bracket is used for being fixedly connected to the fixing portion;
the vibrator component comprises a voice coil framework and a second voice coil fixedly arranged on the voice coil framework, and the voice coil framework is used for being fixedly connected with the vibration part;
the second voice coil generates electromagnetic action with the second magnet after being electrified so as to enable the vibrator component to vibrate.
Optionally, the second voice coil is an annular voice coil, the annular voice coil is movably sleeved on one end of the second magnet, which is far away from the mounting surface, the magnetizing direction of the second magnet is parallel to the vibration direction of the vibrator assembly, and the magnetizing directions of the second magnet are the same.
Optionally, the voice coil framework comprises a flat fixing ring and a mounting lantern ring connected to one side of the flat fixing ring, the flat fixing ring is used for being fixedly connected with the vibrating portion, and the annular voice ring is fixedly sleeved on the mounting lantern ring.
Optionally, the flat retaining ring is provided as an elastic grommet.
Optionally, an elastic connecting piece is connected between at least one of the vibrator assemblies and the stator assembly.
The invention also proposes an electronic terminal comprising:
the aforementioned exciter;
the fixed part is fixedly connected with the stator assembly of the exciter; and
the two vibration parts are respectively arranged on two opposite sides of the fixed part and are respectively fixedly connected with the two vibrator components of the exciter in a one-to-one correspondence manner;
the two vibrator assemblies can simultaneously generate vibration relative to the stator assembly so as to respectively drive the two vibrating parts to simultaneously vibrate and sound.
Optionally, an accommodating space is formed between the fixing portion and one of the vibration portions, the fixing portion is provided with a yielding hole, a fixing convex portion is arranged on one side of the fixing portion facing the accommodating space and at the edge of the yielding hole, the stator assembly is fixedly connected to the fixing convex portion, and the vibrator assembly penetrates through the yielding hole.
According to the technical scheme, the stator assembly is fixedly connected with the fixing part of the electronic terminal, and the two vibrator assemblies are respectively and fixedly connected with the two vibrating parts of the electronic terminal, so that the two vibrator assemblies can respectively drive the two vibrating parts to vibrate and sound under the electromagnetic action, namely, the two vibrating parts of the electronic terminal can be driven simultaneously, and the two vibrating parts simultaneously vibrate and radiate sound waves, so that the effect of enhancing the sound of the electronic terminal is achieved; in addition, according to the technical scheme, only one stator assembly is needed to be adopted, the two vibrating parts can be driven to vibrate and sound at the same time, the product is simple in structure, one stator assembly can be saved, and therefore the cost can be saved.
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 a schematic diagram of an explosive structure of an embodiment of the exciter of the present invention;
FIG. 2 is a schematic cross-sectional view of the actuator of FIG. 1;
FIG. 3 is a schematic cross-sectional view of an electronic terminal according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic diagram of an explosive structure of another embodiment of the exciter of the invention;
fig. 6 is a schematic cross-sectional structure view of the actuator of fig. 5.
The reference numbers illustrate:
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 to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific 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, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes 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.
The invention provides an exciter.
Referring to fig. 1 to 4, in an embodiment of the present invention, the exciter is used for an electronic terminal, the electronic terminal includes a fixed portion 31 and two vibrating portions 32 respectively disposed at two opposite sides of the fixed portion 31, and the exciter includes:
a stator assembly 1 for fixedly connecting with the fixing portion 31; and
the two vibrator assemblies 2 are respectively arranged on two opposite sides of the stator assembly 1 and are respectively used for being fixedly connected with the two vibrating parts 32 in a one-to-one correspondence manner;
through the electromagnetic action, the two vibrator assemblies 2 can generate vibration relative to the stator assembly 1 and respectively drive the two vibration parts 32 to vibrate and sound.
Without loss of generality, the electronic terminal can be, but is not limited to, a mobile phone, a tablet computer and the like. Taking a mobile phone as an example, the two vibration parts 32 are a screen and a rear shell of the mobile phone, respectively, and the fixing part 31 is a middle frame connected between the screen and the rear shell on the mobile phone.
In the invention, one of the stator assembly 1 and the vibrator assembly 2 comprises a voice coil, and the other one comprises a magnet, so that the two vibrator assemblies 2 can generate vibration relative to the stator assembly 1 through electromagnetic action; it will be appreciated that one of the vibrator assemblies 2 forms a first exciter with the stator assembly 1, and the other vibrator assembly 2 forms a second exciter with the same stator assembly 1.
The stator assembly 1 is fixedly connected with the middle frame (the fixing part 31), and the two vibrator assemblies 2 are respectively and fixedly connected with the screen (one of the vibrating parts 32) and the rear shell (the other vibrating part 32), so that the two vibrator assemblies 2 can respectively drive the screen and the rear shell to vibrate and sound, namely, the screen and the rear shell of the mobile phone can be simultaneously driven, and the screen and the rear shell simultaneously vibrate and radiate sound waves, thereby achieving the effect of enhancing the sound of the mobile phone; in addition, according to the technical scheme, the screen and the rear shell can be driven to vibrate and sound by only one stator assembly 1, the structure of the product is simple, one stator assembly 1 can be saved, and therefore the cost can be saved.
Further, the two vibrator assemblies 2 are connected with the stator assembly 1 through an elastic connecting piece (not shown) respectively; in this way, a plurality of components of the exciter can be connected together, so that the alignment procedure among the components of the exciter is reduced in the assembly process of the exciter on the electronic terminal, and the assembly efficiency is improved. However, the design is not limited thereto, and in other embodiments, only one vibrator assembly 2 may be connected to the stator assembly 1 through the elastic connection member, so that the exciter may be assembled to some alignment processes on the electronic terminal, thereby improving the assembly efficiency to some extent.
In this embodiment, the stator assembly 1 further includes a first bracket 11, and a first voice coil 12 fixed to the first bracket 11; wherein, the first bracket 11 is used for being fixedly connected with a fixing part 31 of the electronic terminal;
the vibrator assembly 2 comprises a housing 21 and a first magnet 22 fixedly arranged in the housing 21; wherein, the housing 21 is used for fixedly connecting with the vibration part 32 of the electronic terminal;
the first voice coil 12, when energized, is capable of electromagnetically interacting with the first magnet 22 to vibrate the vibrator assembly 2.
In this embodiment, stator module 1 includes the voice coil, and oscillator module 2 includes the magnet, promptly, only need adopt a voice coil, just can realize two vibrations 32 vibration phonations at the drive electronics terminal simultaneously, the simple structure of product, and can save a voice coil to can practice thrift the cost.
Optionally, the first bracket 11 is provided with a mounting convex portion 112 protruding laterally from the housing 21, the mounting convex portion 112 being configured to be fixedly connected with the fixing portion 31 of the electronic terminal; in this way, the connection and fixation with the electronic terminal fixing portion 31 can be conveniently realized by the mounting convex portion 112 without additionally adding a bridge between the first bracket 11 and the fixing portion 31. Further alternatively, the mounting convex portion 112 is provided in a plurality, and the plurality of mounting convex portions 112 are distributed at intervals along the circumferential direction of the first bracket 11, so that the fixed connection between the first bracket 11 and the fixing portion 31 is more reliable and stable. Generally, the mounting protrusion 112 may have a mounting hole for a fastener (such as a screw or a rivet) to pass through to be fixedly connected to the fixing portion 31; however, the design is not limited thereto, and in other embodiments, the mounting protrusion 112 and the fixing portion 31 may be fixed by other fixing methods such as welding.
Optionally, the housing 21 of each vibrator assembly 2 is correspondingly bonded and fixed on a vibration part 32 of the electronic terminal; the bonding mode is convenient to operate, is beneficial to the production and the manufacture of products, and can realize the fixed connection between the shell 21 and the vibrating part 32 of the electronic terminal without any structural change or damage to the shell 21 and the vibrating part 32 (such as a screen and a back shell of a mobile phone). Similarly, for any of the vibrator assemblies 2, the first magnet 22 thereof is typically adhesively secured within the housing 21; however, the design is not limited thereto, and in other embodiments, the first magnet 22 may also be, but not limited to, fixedly connected to the housing 21 by at least one of screw locking and snap-in connection.
Further, the first voice coil 12 is a flat voice coil;
for each vibrator assembly 2, the first magnet 22 comprises two oppositely arranged sub-magnets 221, and a magnetic gap is formed between the two sub-magnets 221;
one side of the flat voice coil is movably inserted into the magnetic gap of one vibrator assembly 2, and the other side is movably inserted into the magnetic gap of the other vibrator assembly 2.
In this embodiment, the magnetizing directions of the two sub-magnets 221 of the same vibrator assembly 2 are the same and are perpendicular to the vibration direction of the vibrator assembly 2, and the magnetizing directions of the sub-magnets 221 of different vibrator assemblies 2 are opposite.
In this embodiment, the first voice coil 12 is a flat voice coil, and the first magnet 22 is a structure of two sub-magnets 221 facing and spaced from each other, so that the whole magnetic circuit structure is simple and easy to produce and manufacture. However, the design is not limited thereto, and other magnetic circuit structures may be adopted in other embodiments of the present invention, for example, the first voice coil 12 may also adopt a ring-shaped voice coil, and the first magnet 22 adopts a structure corresponding to the ring-shaped voice coil, as long as it is realized that the first voice coil 12 can simultaneously drive the two vibrator assemblies 2 to vibrate.
Further, first support 11 is equipped with mounting groove 111, and one side of flat voice coil is acceptd and is fixed in mounting groove 111, so, can make flat voice coil be difficult for lodging to improve stator module 1 machinery class experimental reliability. Optionally, the flat voice coil is bonded in the mounting groove 111, and the bonding mode is convenient to operate and beneficial to production and manufacturing of products. In addition, alternatively, the first bracket 11 is partially bulged to form a bulged portion, and the mounting groove 111 is formed at the other side of the bulged portion; it will be appreciated that the ridge will be movably inserted into the magnetic gap of the corresponding vibrator assembly 2 along with one side of the flat voice coil.
Referring to fig. 5, fig. 5 is a schematic diagram of an explosive structure of another embodiment of the exciter of the present invention. Referring to fig. 6, the other embodiment is different from the previous embodiment in that the stator assembly 1 includes a second bracket 13 having two mounting surfaces facing away from each other, and two second magnets 14 respectively disposed on the two mounting surfaces; the second bracket 13 is used for being fixedly connected with a fixing part of the electronic terminal;
the vibrator assembly 2 comprises a voice coil framework 23 and a second voice coil 24 fixedly arranged on the voice coil framework 23; wherein, the voice coil framework 23 is used for being fixedly connected with a vibration part of the electronic terminal;
the second voice coil 24, when energized, can electromagnetically interact with the second magnet 14 to vibrate the vibrator assembly 2.
In this embodiment, stator module 1 includes the magnet, and oscillator subassembly 2 includes the voice coil, namely, through sharing stator module 1 including the magnet, realizes two pars vibratories of drive electronics terminal simultaneously and vibrate the sound production, the simple structure of product, and the cost is lower.
Optionally, the second bracket 13 is provided in a plate shape, and the plate shape has a simple structure, which is beneficial to simplifying the overall structure of the product. Further alternatively, the second magnet 14 is usually adhered and fixed on the mounting surface of the second bracket 13, and the adhering mode is convenient to operate and is beneficial to production and manufacturing of products; however, the design is not limited thereto, and in other embodiments, the second magnet 14 may also be, but not limited to, fixedly connected to the second bracket 13 by at least one of screw locking and snap-in connection.
In addition, optionally, both ends of the second support 13 protrude laterally from the voice coil bobbin 23 of the vibrator assembly 2 so as to be fixedly connected with the fixing portions of the electronic terminals through both ends of the second support 13; in this way, the second bracket 13 and the electronic terminal fixing portion can be connected and fixed without additionally arranging a bridge between the second bracket 13 and the fixing portion. Generally, the two ends of the second bracket 13 may be respectively provided with mounting holes for fasteners (screws or rivets, etc.) to pass through and be fixedly connected to the fixing portions; however, the design is not limited thereto, and in other embodiments, the two ends of the second bracket 13 and the fixing portion may be further connected to each other by other fixing methods such as welding.
Further, the second voice coil 24 is an annular voice coil movably sleeved on one end of the second magnet 14 far away from the mounting surface.
In this embodiment, the magnetizing direction of the second magnet 14 is parallel to the vibration direction of the vibrator assembly 2, and the magnetizing directions of the two second magnets 14 are the same.
In this embodiment, the second voice coil 24 is an annular voice coil movably sleeved on the second magnet 14, and the magnetic circuit is simple in structure and easy to produce and manufacture. However, the present design is not limited thereto, and other embodiments of the present invention may also adopt other magnetic circuit structures, for example, the second magnet 14 may also adopt the form of a magnet group having a magnetic gap, as long as it is realized that one stator assembly 1 can simultaneously drive two vibrator assemblies 2 to vibrate.
Optionally, a magnetic conductive plate 15 is fixedly arranged at the free end of the second magnet 14 to optimize a magnetic circuit, and enhance the electromagnetic effect between the stator assembly 1 and the vibrator assembly 2, so as to improve the driving force for driving the vibrator assembly 2 to vibrate. Further optionally, the magnetic conductive plate 15 is fixed to the second magnet 14 in an adhesive manner, which is convenient to operate and is beneficial to production and manufacturing of products.
Further, the voice coil bobbin 23 includes a flat fixing ring 231, and a mounting collar 232 connected to one side of the flat fixing ring 231; the flat fixing ring 231 is used to be fixedly connected with the vibration portion of the electronic terminal, and the annular voice coil is fixedly sleeved on the mounting sleeve ring 232.
In this embodiment, the flat fixing ring 231 is arranged on the voice coil bobbin 23, which is beneficial to increase the connection area between the voice coil bobbin 23 and the electronic terminal vibration portion, so as to improve the reliability and stability of the fixed connection between the voice coil bobbin 23 and the electronic terminal vibration portion. Optionally, the flat fixing ring 231 is correspondingly bonded and fixed on a vibrating portion of the electronic terminal, the bonding mode is convenient to operate, production and manufacturing of products are facilitated, and on the other hand, the flat fixing ring 231 can be fixedly connected with the vibrating portion without any structural change or damage to the flat fixing ring 231 and the vibrating portion of the electronic terminal (such as a screen and a rear shell of a mobile phone).
Further, the flat fixing ring 231 is provided as an elastic cushion ring; it can be understood that the elastic backing ring has a deformable characteristic and also has a recovery elasticity, so that the flat fixing ring 231 can be suitable for the deformation of the vibration part (such as a screen and a rear shell) of the electronic terminal in the vibration sounding process, thereby reducing the probability of connection cracking between the flat fixing ring 231 and the vibration part of the electronic terminal and improving the reliability of the product. Optionally, the elastic cushion ring is made of rubber or silica gel and the like; of course, in some embodiments, a rubber grommet or a silicone grommet embedded with a metal foil may be used, and it is understood that the addition of the metal foil can improve the supporting rigidity of the rubber grommet or the silicone grommet.
In addition, in this embodiment, the annular voice coil is disposed on the inner side surface of the mounting collar 232, so that the annular voice coil is closer to the second magnet 14 movably sleeved thereon, and the driving force is stronger; of course, in other embodiments, the annular voice coil may also be disposed on the outer side surface of the mounting collar 232, so that the annular voice coil may be directly wound around the outer side surface of the mounting collar 232. Furthermore, optionally, the annular voice coil is bonded and fixed to the mounting collar 232, and the bonding mode is convenient to operate, so that the production and manufacturing of products are facilitated.
Referring to fig. 3 and 4, the present invention further provides an electronic terminal, which includes an exciter, a fixing portion 31, and two vibrating portions 32, and the specific structure of the exciter refers to the above embodiments, and since the electronic terminal adopts all technical solutions of all the above embodiments, the electronic terminal at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein. Wherein, the fixed part 31 is fixedly connected with the stator assembly 1 of the exciter; the two vibrating portions 32 are respectively arranged on two opposite sides of the fixing portion 31 and are respectively fixedly connected with the two vibrator assemblies 2 of the exciter in a one-to-one correspondence manner; the two vibrator assemblies 2 can simultaneously generate vibration relative to the stator assembly 1 so as to respectively drive the two vibrating parts 32 to simultaneously vibrate and sound, thereby achieving the effect of enhancing the sound of the electronic terminal; in addition, in the technical scheme of the invention, only one stator assembly 1 is needed to be adopted, so that the two vibration parts 32 can be driven to vibrate and sound at the same time, the product has a simple structure, and one stator assembly 1 can be saved, thereby saving the cost. Without loss of generality, the electronic terminal can be, but is not limited to, a mobile phone, a tablet computer and the like. Taking a mobile phone as an example, the two vibration parts 32 are a screen and a rear shell of the mobile phone, respectively, and the fixing part 31 is a middle frame connected between the screen and the rear shell on the mobile phone.
Optionally, an accommodating space 30 is formed between the fixing portion 31 and one of the vibration portions 32, the fixing portion 31 is provided with a yielding hole 311, a fixing convex portion 312 is arranged at an edge of the yielding hole 311, which is located on one side of the fixing portion 31 facing the accommodating space 30, the stator assembly 1 is fixedly connected to the fixing convex portion 312, and one of the vibrator assemblies 2 penetrates through the yielding hole 311. Taking a mobile phone as an example, the accommodating space 30 is arranged between the middle frame (the fixing part 31) and the screen (one vibration part 32), and the accommodating space 30 is used for accommodating and installing internal components of the mobile phone; that is, the inner region of the bezel is disposed more toward the rear housing. However, for the exciter, two vibration assemblies are generally symmetrically disposed on two sides of the stator assembly 1, and for the two vibration assemblies to have similar driving forces to the screen and the rear housing, respectively, the fixing protrusion 312 is disposed on a side of the middle frame facing the accommodating space 30 to increase a distance between the stator assembly 1 and the rear housing and simultaneously decrease a distance between the stator assembly 1 and the screen, so that the stator assembly 1 is approximately located between the screen and the rear housing.
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 (11)
1. The utility model provides an exciter for electronic terminal, electronic terminal includes the fixed part, and the branch is located two vibration portions of the relative both sides of fixed part, its characterized in that, exciter includes:
the stator component is fixedly connected with the fixing part; and
the two vibrator assemblies are respectively arranged on two opposite sides of the stator assembly and are respectively used for being fixedly connected with the two vibrating parts in a one-to-one correspondence manner;
through the electromagnetic action, the two vibrator components can generate vibration relative to the stator component and respectively drive the two vibration parts to vibrate and sound.
2. The exciter of claim 1, wherein the stator assembly comprises a first bracket and a first voice coil fixedly mounted on the first bracket, the first bracket being configured to be fixedly connected to the fixed portion;
the vibrator component comprises a shell and a first magnet fixedly arranged in the shell, and the shell is used for being fixedly connected with the vibrating part;
the first voice coil generates electromagnetic action with the first magnet after being electrified so as to enable the vibrator component to vibrate.
3. The actuator of claim 2, wherein said first voice coil is a flat voice coil;
for each vibrator assembly, the first magnet comprises two oppositely arranged sub-magnets, and a magnetic gap is formed between the two sub-magnets at intervals; the magnetizing directions of the two sub-magnets are the same and are perpendicular to the vibration direction of the vibrator assembly, and the magnetizing directions of the sub-magnets of different vibrator assemblies are opposite;
one side of the flat voice coil is movably inserted into the magnetic gap of one vibrator assembly, and the other side of the flat voice coil is movably inserted into the magnetic gap of the other vibrator assembly.
4. An actuator as claimed in claim 3, wherein said first frame is provided with a mounting recess, and one side of said flat voice coil is received and fixed in said mounting recess.
5. The exciter according to claim 1, wherein said stator assembly comprises a second bracket having two mounting surfaces facing away from each other, and two second magnets respectively disposed on said two mounting surfaces, said second bracket being adapted to be fixedly connected to said stationary portion;
the vibrator component comprises a voice coil framework and a second voice coil fixedly arranged on the voice coil framework, and the voice coil framework is used for being fixedly connected with the vibration part;
the second voice coil generates electromagnetic action with the second magnet after being electrified so as to enable the vibrator component to vibrate.
6. The exciter according to claim 5, wherein the second voice coil is an annular voice coil, the annular voice coil is movably sleeved on one end of the second magnet far away from the mounting surface, the magnetizing direction of the second magnet is parallel to the vibration direction of the vibrator assembly, and the magnetizing directions of the two second magnets are the same.
7. The actuator of claim 6, wherein said voice coil former comprises a flat retaining ring for fixedly coupling with said vibrating portion and a mounting collar attached to one side of said flat retaining ring, said annular voice coil being secured to said mounting collar.
8. An actuator according to claim 7, wherein the flat retaining ring is provided as a resilient grommet.
9. The exciter according to any of claims 1 to 8, wherein a resilient connection is connected between at least one of the vibrator assemblies and the stator assembly.
10. An electronic terminal, comprising:
an actuator according to any of claims 1 to 9;
the fixed part is fixedly connected with the stator assembly of the exciter; and
the two vibration parts are respectively arranged on two opposite sides of the fixed part and are respectively fixedly connected with the two vibrator components of the exciter in a one-to-one correspondence manner;
the two vibrator assemblies can simultaneously generate vibration relative to the stator assembly so as to respectively drive the two vibrating parts to simultaneously vibrate and sound.
11. The electronic terminal according to claim 10, wherein the fixing portion and one of the vibrating portions are separated by a receiving space, the fixing portion has a recess, and a fixing protrusion is disposed on a side of the fixing portion facing the receiving space and along an edge of the recess, the stator assembly is fixedly connected to the fixing protrusion, and the vibrator assembly is inserted into the recess.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010764794.4A CN111817526B (en) | 2020-07-31 | 2020-07-31 | Exciter and electronic terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010764794.4A CN111817526B (en) | 2020-07-31 | 2020-07-31 | Exciter and electronic terminal |
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| CN111817526A true CN111817526A (en) | 2020-10-23 |
| CN111817526B CN111817526B (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116915013A (en) * | 2023-09-14 | 2023-10-20 | 苏州索迩电子技术有限公司 | Linear vibrating device and electronic equipment |
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| CN116915013A (en) * | 2023-09-14 | 2023-10-20 | 苏州索迩电子技术有限公司 | Linear vibrating device and electronic equipment |
| CN116915013B (en) * | 2023-09-14 | 2024-03-08 | 苏州索迩电子技术有限公司 | Linear vibrating device and electronic equipment |
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| CN111817526B (en) | 2021-10-26 |
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