CN208940238U - A kind of electronic equipment - Google Patents

Abstract

The utility model discloses a kind of electronic equipment, including vibrating motor and loudspeaker；The vibrating motor includes stator module and mover assembly；The stator module includes the motor case with accommodating chamber, and iron core and at least one guiding mechanism that receiving is fixed in the accommodating chamber, coil is wound on the iron core, the mover assembly is slidably fitted on guiding mechanism, and be configured as: after coil is powered, driving mover assembly does linear reciprocating motion on guiding mechanism；Be configured as between the vibrating motor, loudspeaker: the audio signal being passed through in the driving signal and loudspeaker voice coil being passed through in vibrating motor coil matches, so that the vibration characteristics of vibrating diaphragm matches in the vibration characteristics of mover assembly and loudspeaker.The electronic equipment of the utility model is when playing music, it can be achieved that vibrating motor is vibrated with the audio sync of music, to reach the servo-actuated experience effect of music.

Description

A kind of electronic equipment

Technical field

The utility model relates to electro-acoustic product technical fields, more specifically, the utility model relates to a kind of electronic equipment.

Background technique

Nowadays, with the fast development of electronics technology, portable consumer electronics product, such as: smart phone, intelligence are worn It wears equipment and handheld device etc. to have progressed into people's lives, and becomes more and more popular.It is portable at these In formula consumer electronics product, it will usually the feedback using linear vibration motor as system.And as consumer is for electronics The requirement of properties of product is higher and higher, and it is higher also to require that the linear vibration motor being applied in consumer electronics product has Vibration sense, bigger frequency bandwidth.

For relatively existing eccentric wheel type whirling vibration motor, linear vibration motor does not have commutator and electricity due to inside The components such as brush have reliable for operation and respond fast etc. many excellent so that not having the electric spark of friction in its operational process Point.Therefore, linear vibration motor, which has been obtained, is more and more widely used.

Elastic supporting member for supporting optical member of the mechanical elastic slice as support mover is generallyd use in traditional linear vibration motor.It is specific next It says, is to support mover and mover is made to generate the core component vibrated in the mechanical online property vibrating motor of elastic slice.However, mechanical elastic The spring characteristic curve of piece is linear (with reference to Fig. 4), linear vibration motor resonance frequency range can be made narrow in the application, If the frequency of impressed current, when slightly offset from resonance point, the vibration sense of linear vibration motor will drastically reduce, this will shadow Ring the vibration experience effect for arriving consumer electronics product.Especially, in the use occasion of music player, vibrating motor need with The melody synchronous vibration of music, however the frequency range of music is wider, will cause the music in very big frequency range in this way Servo-actuated vibrating motor generates the vibration of very little, so that the servo-actuated experience effect of music be not achieved.

It can be seen that, it is necessary to the vibrating motor in the electronic equipment with music playback function is improved, with solution Defect certainly existing in the prior art.

Utility model content

The purpose of this utility model is to provide the new solutions of a kind of electronic equipment.

First aspect according to the present utility model provides a kind of electronic equipment, including vibrating motor and loudspeaker；Institute Stating vibrating motor includes stator module and mover assembly；The stator module includes the motor case with accommodating chamber, Yi Jishou Hold the iron core and at least one guiding mechanism being fixed in the accommodating chamber, is wound with coil, the mover group on the iron core Part is slidably fitted on guiding mechanism, and is configured as: after coil is powered, driving mover assembly is done back and forth on guiding mechanism Linear motion；It is configured as between the vibrating motor, loudspeaker: the driving signal and loudspeaker being passed through in vibrating motor coil The audio signal being passed through in voice coil matches, so that the vibration characteristics phase of the vibration characteristics of mover assembly and vibrating diaphragm in loudspeaker Match.

Optionally, there are two the guiding mechanism settings, two guiding mechanisms are symmetrically distributed in the two sides of the iron core.

Optionally, the guiding mechanism is provided with multiple, and multiple guiding mechanisms are evenly distributed in around the iron core.

Optionally, the guiding mechanism is straight-line guidance axis.

Optionally, the motor case includes the upper casing and pedestal for complementing each other to form the accommodating chamber；The iron core Upper end is fixedly connected with the roof center of the upper casing, and the lower end of the iron core is fixedly connected with the center of pedestal；The guiding The upper end of mechanism is fixedly connected with the roof of the upper casing, and the lower end of the guiding mechanism is fixedly connected with the base.

Optionally, the position that the guiding mechanism is fixedly connected with the roof of the upper casing, the pedestal is provided with slow Punching pad.

Optionally, the second wire lead slot for drawing coil is provided on the pedestal.

Optionally, the iron core is provided with the outwardly extending land of a circle at middle part along axial direction, is arranged in the land There is first lead slot；There are two the coil settings, and two coils are wound on respectively on the iron core outer wall of the land two sides, and Described two coils are connected in series to by first lead slot；The mover assembly is set in the outer ring of the land.

Optionally, the mover assembly includes mass block, annular permanent magnets and linear bearing；The middle part of the mass block It is provided with counterbore, the annular permanent magnets receiving is fixed in the counterbore, and the annular permanent magnets are located at the outer of the iron core Circle；Axis hole is additionally provided on the mass block, the linear bearing receiving is fixed in the axis hole, and the mass block passes through straight Spool, which is held, to be arranged on the guiding mechanism, the mass block can be made to do under the linear bearing and guiding mechanism cooperation Linear reciprocating motion.

Optionally, the loudspeaker includes vibrational system, and the magnetic circuit system being combined together with the vibrational system； The vibrational system includes vibrating diaphragm, and is connected to the voice coil of the vibrating diaphragm lower end.

Electronic equipment provided by the embodiment of the utility model, internal vibrating motor is using magnetic elastic force as support mover With mover generate movement core component, the resiliency characteristics curve based on magnetic elastic force be it is nonlinear, vibrating motor can be made to have There is the characteristic of wideband.After being applied to the electronic equipment with music playback function, the driving that is passed through in vibrating motor coil The audio signal being passed through in signal and loudspeaker voice coil matches, and enables vibrating motor with the synchronous vibration of the power of audio It is dynamic, so as to reach the servo-actuated experience effect of music.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and Cooperate appended attached drawing, is described in detail below.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 shows the structural schematic diagram of electronic equipment provided by the embodiment of the utility model.

Fig. 2 shows the structural schematic diagrams of vibrating motor provided by the embodiment of the utility model.

Fig. 3 shows the structural exploded view of vibrating motor provided by the embodiment of the utility model.

Fig. 4 shows the resiliency characteristics curve of conventional mechanical spring.

Fig. 5 shows the resiliency characteristics curve of magnetic elastic force provided by the embodiment of the utility model.

Description of symbols:

1- motor case, 101- upper casing, 102- pedestal, the second wire lead slot of 1021-, 2- iron core, 201- land, 2011- One wire lead slot, 3- annular permanent magnets, 4- mass block, 401- counterbore, 402- axis hole, 5- linear bearing, 6- guiding mechanism, 7- buffering Pad, 8- first coil, the second coil of 9-, 10- loudspeaker, 11- vibrating motor.

Specific embodiment

The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited The scope of the utility model processed.

Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical Novel and its application or any restrictions used.

Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable In the case of, the technology, method and apparatus should be considered as part of specification.

It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.

The utility model embodiment provides a kind of electronic equipment, refering to what is shown in Fig. 1, including vibrating motor 11 and loudspeaker 10.Wherein, with reference to shown in Fig. 2 and Fig. 3, the vibrating motor 11 includes stator module and mover assembly.The stator module Including the motor case 1 with accommodating chamber, and iron core 2 and at least one guiding mechanism that receiving is fixed in the accommodating chamber 6, coil is wound on the iron core 2, and the mover assembly is slidably fitted on guiding mechanism 6, and the mover assembly is matched Be set to: after being powered to coil, driving mover assembly does linear reciprocating motion on guiding mechanism 6.The vibrating motor 11 is raised Be configured as between sound device 10: the audio being passed through in the driving signal and 10 voice coil of loudspeaker being passed through in 11 coil of vibrating motor is believed Number match, so that the vibration characteristics of mover assembly and the vibration characteristics of vibrating diaphragm in loudspeaker 10 match.

Electronic equipment provided by the embodiment of the utility model, the internal vibrating motor 11 used are different from the linear of routine Vibrating motor.Specifically: generalling use mechanical elastic slice in conventional linear vibration motor as support mover and generate mover The core component of movement, the resiliency characteristics curve of mechanical elastic slice are linear (with reference to shown in Fig. 4).And the vibration of the utility model In dynamic motor, not using mechanical elastic slice, but magnetic elastic force is used as support mover and the core for generating mover movement Component, refering to what is shown in Fig. 5, the resiliency characteristics curve based on magnetic elastic force be it is nonlinear, in the inward at both ends close to peak swing Curved characteristic is presented, so as to so that vibrating motor has the characteristic of wideband.By the vibrating motor application with broadband properties After the electronic equipment with music playback function, the driving signal that is passed through in vibrating motor coil can in loudspeaker voice coil The audio signal being passed through matches, and can thus enable vibrating motor with the strong and weak synchronous vibration of audio, so as to Reach the servo-actuated experience effect of music.

In the vibrating motor of the utility model, being made between mover assembly and iron core 2 by special structure design can be with Air-gap field is formed, forms the magnetic elastic force for being used to support mover assembly and generating mover assembly movement in the air-gap field, it should Magnetic elastic force is a kind of active force of spring-like, formed resiliency characteristics curve be it is nonlinear, at it close to peak swing two Aduncate trend is nearby presented in end.That is, its coefficient of elasticity can become smaller close near peak swing both ends, this is set Meter can make vibrating motor have broadband properties.

Vibrating motor provided by the embodiment of the utility model, since mover assembly belongs to the sub-fraction of vibrating motor, institute It is much smaller with the quality of the entire vibrating motor of the mass ratio of mover assembly, when mover assembly is generated relative to iron core relative to fortune When dynamic, relatively large vibration acceleration can be generated.Specifically, the characterisitic parameter for embodying vibrating motor vibration sense intensity is vibration Vibration acceleration is denoted as a by vibration acceleration when motor operations_H, expression formula is as follows:

The amplitude of vibrating motor is denoted as A_H, expression formula is as follows:

In two above-mentioned formula, C and β are constant, and ω is the angular frequency of exciting electric current, ω₀For consolidating for vibrating motor There is angular frequency₀=(k/m)^0.5, k is the coefficient of elasticity of vibrating motor, and m is the quality of rotor assembly in vibrating motor.

According to the vibration acceleration formula of above-mentioned vibrating motor it can be seen that the angular frequency when exciting electric current is equal to vibration The natural frequency ω of motor₀When, vibrating motor generation resonance generation maximum vibration acceleration, and the angular frequency one of exciting electric current The natural frequency ω of vibrating motor when denier deviates₀When, vibration acceleration a_HIt will strongly reduce, will result in the vibration of vibrating motor Sense significantly reduces.

Therefore, for linear vibration motor provided by the embodiment of the utility model: when the angular frequency of exciting electric current is equal to The natural frequency ω of vibrating motor₀When, vibrating motor occurs resonance and generates maximum vibration acceleration, at this time the amplitude of vibrating motor Also there is maximum value, but its resiliency characteristics curve generated is in the bending part at both ends in Fig. 5, i.e., coefficient of elasticity is close Peak swing both ends can nearby become smaller, and vibrating motor can be made to have broadband properties.And when the angular frequency of exciting electric current is more than The natural frequency ω of vibrating motor₀When, the amplitude A of vibrating motor at this time it can be seen from above-mentioned amplitude formula_HIt will reduce, bullet Force characteristic curve is returned to intermediate straight portion, and coefficient of elasticity increases at this time, vibrating motor natural frequency ω₀Also it will increase, from And make the natural frequency ω of vibrating motor₀It is reduced with the difference of the angular frequency of exciting electric current, the vibration of vibrating motor accelerates Spend a_HIt will increase again, thus when can guarantee that the angular frequency of exciting electric current fluctuates in comparatively wide frequency range, vibrating motor Vibration acceleration a_HIt will not be obviously reduced.The vibrating motor of the utility model, bandwidth is much larger than conventional use mechanical elastic The bandwidth of the linear vibration motor of piece ensure that consumer electronics product when being applied in consumer electronics product Vibrate experience effect.

The vibrating motor of the utility model, internal guiding mechanism 6 can at least be arranged one, in order to mover group The linear reciprocating motion of part plays the role of straight-line guidance.

In a specific embodiment of the utility model, referring to Fig.1 and shown in Fig. 2, guiding mechanism 6 be can be set There are two, so that two guiding mechanisms is symmetrically distributed in the two sides of iron core 2.Using double-guide mechanism to the movement of rotor assembly into When row straight-line guidance, it can guarantee that rotor assembly smoothly does reciprocal linear motion up and down, so as to be effectively prevented from rotor assembly Beat occurs in the process of movement.

In the another embodiment of the utility model, guiding mechanism can also be set as needed it is multiple, when When being provided with multiple guiding mechanisms, multiple guiding mechanisms can be evenly distributed in around iron core 2.Using multiple Guiding machines When structure is oriented to the movement of rotor assembly, the movement of rotor assembly can be made more steady.

Certainly, the setting quantity of guiding mechanism flexible setting, the utility model can not limit this according to actual needs System.

In order to simplify the structure of vibrating motor, the guiding mechanism 6 in the utility model can use straight-line guidance axis.Straight line Guiding axis have the characteristics that structure it is simple, it is easy to assembly, too big space will not be occupied, in use can be to the straight of mover assembly Good guiding role is played in line movement, can prevent rotor assembly from beat occurring in the process of movement.Certainly, guiding mechanism Can also use other guiding devices well known in the art, as long as be able to achieve to mover assembly movement linear movement guide i.e. Can, the utility model to this with no restriction.

The vibrating motor of the utility model, with reference to shown in Fig. 2 and Fig. 3, motor case 1 includes complementing each other to form appearance Receive the upper casing 101 and pedestal 102 of chamber.The motor case 1 can play a good protective effect to internal all parts.Its In, it can be using mode knots well known in the art such as welding, fixing piece connection, adhesive bondings between upper casing 101 and pedestal 102 It is combined, the utility model is without limitation.Wherein, upper casing 101 and pedestal 102 non-can be led using well known in the art Magnetic material is made, the utility model to this with no restriction.

In the utility model, iron core 2 and guiding mechanism 6 are each attached in the accommodating chamber in motor case 1.Specifically, The upper end of iron core 2 is fixedly connected with the roof center of upper casing 101, and the lower end of iron core 2 is fixedly connected with the center of pedestal 102.It leads It is fixedly connected to the upper end of mechanism 6 with the roof of upper casing 101, the lower end of 6 structure of Guiding machine is fixedly connected with pedestal 102.Which The setting that iron core 2 and guiding mechanism 6 can be made to consolidate is in motor case.

Also, also in the position that guiding mechanism 6 is fixedly connected with 101 roof of upper casing and Guiding machine in the utility model The position that structure 6 is fixedly connected with pedestal 102 is respectively arranged with cushion 7.When the design of cushion can be to avoid instantaneous large-current, Driving mover assembly moving displacement is excessive and hits with motor case 1, can play buffering to a certain extent, protection is moved The effect of sub-component.Wherein, cushion can be for example made of soft materials well known in the art such as latex, silica gel.Buffering Pad can be fixed by the way of adhesive bonding.

Optionally, the second wire lead slot 1021 for drawing coil is additionally provided on pedestal 102.Second wire lead slot 1021 primarily to draw coil, so that coil can be connected with external circuit.Wherein, the second wire lead slot 1021 can be set Any position on pedestal, the utility model to this with no restriction.

In the stator module of the utility model, iron core 2 is provided with the outwardly extending land 201 of a circle at middle part along axial direction, First lead slot 2011 is provided in the land 201.Wherein, with reference to shown in Fig. 2 and Fig. 3, the coil that is wound on iron core 2 There are two settings, is denoted as respectively: first coil 8 and the second coil 9, first coil 8 and the second coil 9 are wound on land respectively On 2 outer wall of iron core of 201 two sides, and first coil 8 and the second coil 9 are connected in series by first lead slot 1021 It connects.Mover assembly is set in the outer ring of the land on iron core 2.

Wherein, first coil 8, the second coil 9 can be made of non-magnet material well known in the art, the utility model With no restriction to this.

Wherein, the section of land 201 can be arbitrary shape, and the utility model is without limitation.In iron core 2 along axial direction The land 201 is set at middle part, effect is that iron core 2 is allow to converge at land 201 along axial magnetic attraction, in order to enhance Air-gap field.In addition, iron core 2 can be made of permeability magnetic material well known in the art, the utility model to this with no restriction.

The mover assembly of the utility model, with reference to shown in Fig. 2 and Fig. 3, including mass block 4, annular permanent magnets 3 and Linear bearing 5.Wherein, the middle part of mass block 4 is provided with counterbore 401, the shape of the counterbore 401 and the shape of annular permanent magnet 3 Shape is adapted, and annular permanent magnets 3, which are received, to be fixed in the counterbore 401, and annular permanent magnets 3 are specifically set in ring on iron core 2 The outer ring of platform 201.Also, axis hole 402 is additionally provided on mass block 4, linear bearing 5, which is received, to be fixed in the axis hole 402, Mass block 4 is arranged on guiding mechanism 6 by linear bearing 5, can make quality under the cooperation of linear bearing 5 and guiding mechanism 6 Block 4 does linear reciprocating motion.

Wherein, mass block 4 can be made of non-magnet material well known in the art, and the utility model does not limit this System.

Wherein, the quantity of linear bearing 5 is consistent with the quantity of guiding mechanism 6.In a specific implementation of the utility model In mode, there are two the settings of guiding mechanism 6, and there are two linear bearing 5 is also provided with, mass block 4 is arranged by two linear bearings 5 On two guiding mechanisms 6, so that mass block 4 and annular permanent magnet 3 can be stable does linear reciprocating motion.

The loudspeaker of the utility model, including vibrational system, and the magnetic circuit system being combined together with the vibrational system. The vibrational system includes vibrating diaphragm, and is connected to the voice coil of vibrating diaphragm lower end.

The electronic equipment of the utility model, by the vibrating motor with broadband properties in conjunction with loudspeaker, vibrating motor line The audio signal being passed through in the driving signal and loudspeaker voice coil being passed through in circle matches, and enables vibrating motor with audio Strong and weak synchronous vibration, so as to reach the servo-actuated experience effect of music.

Although being described in detail by some specific embodiments of the example to the utility model, this field It is to be understood by the skilled artisans that example above merely to be illustrated, rather than in order to limit the scope of the utility model.This Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments It modifies.The scope of the utility model is defined by the following claims.

Claims (10)

1. a kind of electronic equipment, which is characterized in that including vibrating motor and loudspeaker；

The vibrating motor includes stator module and mover assembly；

The stator module includes the motor case with accommodating chamber, and the iron core that is fixed in the accommodating chamber of receiving and extremely Lack a guiding mechanism, is wound with coil on the iron core, the mover assembly is slidably fitted on guiding mechanism, and is configured Are as follows: after coil is powered, driving mover assembly does linear reciprocating motion on guiding mechanism；

It is configured as between the vibrating motor, loudspeaker: the driving signal and loudspeaker voice coil being passed through in vibrating motor coil In the audio signal that is passed through match so that the vibration characteristics of vibrating diaphragm matches in the vibration characteristics of mover assembly and loudspeaker.

2. electronic equipment according to claim 1, which is characterized in that there are two the guiding mechanism settings, two guiding Mechanism is symmetrically distributed in the two sides of the iron core.

3. electronic equipment according to claim 1, which is characterized in that the guiding mechanism is provided with multiple, multiple guiding Mechanism is evenly distributed in around the iron core.

4. electronic equipment according to claim 1, which is characterized in that the guiding mechanism is straight-line guidance axis.

5. electronic equipment according to claim 1, which is characterized in that the motor case is described including complementing each other to form The upper casing and pedestal of accommodating chamber；

The upper end of the iron core is fixedly connected with the roof center of the upper casing, and the lower end of the iron core and the center of pedestal are fixed Connection；

The upper end of the guiding mechanism is fixedly connected with the roof of the upper casing, and the lower end of the guiding mechanism and the pedestal are solid Fixed connection.

6. electronic equipment according to claim 5, which is characterized in that the roof of the guiding mechanism and the upper casing, institute It states the position that pedestal is fixedly connected and is provided with cushion.

7. electronic equipment according to claim 5, which is characterized in that be provided with for drawing coil on the pedestal Two wire lead slots.

8. electronic equipment according to claim 1, which is characterized in that the iron core along axial direction middle part be provided with a circle to The land of outer extension is provided with first lead slot in the land；

There are two the coil settings, and two coils are wound on respectively on the iron core outer wall of the land two sides, and described two Coil is connected in series to by first lead slot；

The mover assembly is set in the outer ring of the land.

9. electronic equipment according to claim 1, which is characterized in that the mover assembly includes mass block, annular permanent-magnet Body and linear bearing；

Counterbore is provided in the middle part of the mass block, the annular permanent magnets receiving is fixed in the counterbore, and the ring-type is forever Magnet is located at the outer ring of the iron core；

Axis hole is additionally provided on the mass block, the linear bearing receiving is fixed in the axis hole, and the mass block passes through Linear bearing is arranged on the guiding mechanism, can make the mass block under the linear bearing and guiding mechanism cooperation Do linear reciprocating motion.

10. electronic equipment according to claim 1, which is characterized in that the loudspeaker includes vibrational system, and with institute State the magnetic circuit system that vibrational system is combined together；

The vibrational system includes vibrating diaphragm, and is connected to the voice coil of the vibrating diaphragm lower end.