CN111181343B - Vibration device and electronic apparatus - Google Patents
Vibration device and electronic apparatus Download PDFInfo
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- CN111181343B CN111181343B CN202010069561.2A CN202010069561A CN111181343B CN 111181343 B CN111181343 B CN 111181343B CN 202010069561 A CN202010069561 A CN 202010069561A CN 111181343 B CN111181343 B CN 111181343B
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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
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
Abstract
The invention discloses a vibration device, which comprises a support, a guide shaft, a vibrator, a first electromagnetic coil, a second electromagnetic coil, a first permanent magnet and a second permanent magnet, wherein the guide shaft is arranged on the support, the vibrator is rotationally arranged on the guide shaft and can move along the guide shaft, the first permanent magnet and the second permanent magnet are both arranged on the vibrator, and the first electromagnetic coil and the second electromagnetic coil are both arranged on the support: under the condition that the first electromagnetic coil is electrified and the second electromagnetic coil is powered off, the first electromagnetic coil is matched with the first permanent magnet to drive the vibrator to reciprocate along the guide shaft; under the condition that the first electromagnetic coil is powered off and the second electromagnetic coil is powered on, the second electromagnetic coil is matched with the second permanent magnet to drive the vibrator to rotate around the guide shaft. According to the scheme, the problem that the vibration prompting effect of the vibration device is poor when the electronic equipment is placed in a pocket or the electronic equipment is attached to a human body and other specific scenes can be solved. The invention discloses an electronic device.
Description
Technical Field
The present invention relates to the field of communication devices, and in particular, to a vibration device and an electronic device.
Background
As user demands increase, the performance of electronic devices continues to optimize. Currently, more and more electronic devices are equipped with a vibration motor, and the electronic devices implement a vibration function by vibration of the vibration motor, in which case the electronic devices can prompt a user by vibration when called or receiving a short message.
Linear motors are used in more and more electronic devices because of their advantages such as large vibration and stable performance. However, when the electronic device is in a specific scene (for example, the electronic device is placed in a pocket or the electronic device is attached to a human body), the vibration of the linear motor cannot be sensed, that is, the vibration device has a weak vibration sense, and a good vibration prompting effect cannot be achieved.
Disclosure of Invention
The invention discloses a vibration device and electronic equipment, and aims to solve the problem that the vibration device has poor vibration prompting effect in a specific scene that the electronic equipment is placed in a pocket or the electronic equipment is attached to a human body and the like.
In order to solve the above problems, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention discloses a vibration device, including a support, a guide shaft, a vibrator, a first electromagnetic coil, a second electromagnetic coil, a first permanent magnet, and a second permanent magnet, wherein:
the guiding axle set up in the support, the oscillator set up in with rotating the guiding axle, and can follow the guiding axle removes, first permanent magnet with the second permanent magnet all set up in on the oscillator, first solenoid with the second solenoid all set up in the support:
under the condition that the first electromagnetic coil is electrified and the second electromagnetic coil is powered off, the first electromagnetic coil is matched with the first permanent magnet to drive the vibrator to reciprocate along the guide shaft;
and under the condition that the first electromagnetic coil is powered off and the second electromagnetic coil is powered on, the second electromagnetic coil is matched with the second permanent magnet to drive the vibrator to rotate around the guide shaft.
In a second aspect, an embodiment of the present invention discloses an electronic device, including the vibration apparatus described in the first aspect.
The technical scheme adopted by the invention can achieve the following beneficial effects:
in the vibration device disclosed by the embodiment of the invention, the first permanent magnet and the second permanent magnet are arranged on the vibrator, and the first permanent magnet and the second permanent magnet can be respectively driven by controlling the on-off of the first electromagnetic coil and the second electromagnetic coil, so that the first permanent magnet can drive the vibrator to vibrate in a first mode in one state and the second permanent magnet can drive the vibrator to vibrate in a second mode in another state. Therefore, the vibration device disclosed by the embodiment of the invention can realize vibration in different directions, and the electronic equipment adopting the vibration device can realize vibration in more directions, so that the vibration prompt effect of the electronic equipment can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a first coil of a vibration device in a first energized state according to an embodiment of the present invention, and an arrow a in fig. 1 indicates a moving direction of a vibrator 300 when the vibrator vibrates in a first mode;
fig. 2 is a schematic structural diagram of a first coil of a vibration device in a second energized state according to an embodiment of the present invention, and an arrow B in fig. 2 illustrates another moving direction of the vibrator 300 when vibrating in the first mode;
fig. 3 is a schematic structural diagram of a first coil of a vibration device in a third energized state according to an embodiment of the disclosure;
fig. 4 is a schematic structural diagram of a second coil of the vibration device in a first energized state according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second coil of the vibration device in a second energized state according to the embodiment of the present invention.
Description of reference numerals:
100-bracket, 110-middle frame, 111-middle section, 112-edge section, 120-first cover body, 121-first cover body, 122-first enclosure, 130-second cover body, 131-second cover body, 132-second enclosure, 100 a-inner cavity, 100a 1-top wall, 100a 2-bottom wall, 100a 3-side wall,
200-a guide shaft,
300-vibrator,
410-a first sub-coil, 420-a second sub-coil,
510-third sub-coil, 520-fourth sub-coil,
610-the first sub-magnet, 620-the second sub-magnet,
710-third sub-magnet, 720-fourth sub-magnet,
800-bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, an embodiment of the invention discloses a vibration device, which can be applied to an electronic device. The vibration device disclosed by the embodiment of the invention comprises a bracket 100, a guide shaft 200, a vibrator 300, a first electromagnetic coil, a second electromagnetic coil, a first permanent magnet and a second permanent magnet.
The bracket 100 is a base member of the vibration device, and the bracket 100 can provide a mounting base for other parts of the vibration device. In the embodiment of the present invention, the guide shaft 200 is disposed on the bracket 100, and in particular, the guide shaft 200 is fixed to the bracket 100. The vibrator 300 is rotatably provided on the guide shaft 200 and is movable along the guide shaft 200, and the vibrator 300 is movable along the guide shaft 200, thereby realizing vibration in the first mode. The vibrator 300 rotates around the guide shaft 200, and thus can realize vibration in the second mode.
In the embodiment of the present invention, the first permanent magnet and the second permanent magnet are both disposed on the vibrator 300. The first and second electromagnetic coils are both provided to the bracket 100. The first permanent magnet is used for being matched with the first electromagnetic coil, and the second permanent magnet is used for being matched with the second electromagnetic coil.
Under the condition that the first electromagnetic coil is energized and the second electromagnetic coil is de-energized, the first electromagnetic coil drives the vibrator 300 to reciprocate along the guide shaft 200 by cooperation with the first permanent magnet. Under the condition, the second electromagnetic coil is in a power-off state, so that the first electromagnetic coil and the first permanent magnet cannot be affected in a matching mode, a magnetic field (alternating magnetic field) generated by electrifying the first electromagnetic coil can generate magnetic force on the first permanent magnet, the first permanent magnet further drives the vibrator 300 to reciprocate along the guide shaft 200, and finally vibration of the whole vibration device in the first mode is achieved.
Under the condition that the first electromagnetic coil is powered off and the second electromagnetic coil is powered on, the second electromagnetic coil drives the vibrator 300 to rotate around the guide shaft 200 through the cooperation with the second permanent magnet. Under the condition, the first electromagnetic coil is in a power-off state, so that the second electromagnetic coil cannot be influenced by matching with the second permanent magnet, a magnetic field (alternating magnetic field) generated by electrifying the second electromagnetic coil can generate magnetic force on the second permanent magnet, the second permanent magnet drives the vibrator 300 to rotate around the guide shaft 200, and vibration of the whole vibration device in the second mode is realized. In the embodiment of the present invention, the vibration direction of the vibration device in the first mode is different from the vibration direction in the second mode.
In the vibration device disclosed in the embodiment of the present invention, the first permanent magnet and the second permanent magnet are disposed on the vibrator 300, and the first permanent magnet and the second permanent magnet can be driven by controlling the power on and off of the first electromagnetic coil and the second electromagnetic coil, respectively, so that the first permanent magnet can drive the vibrator 300 to realize the vibration in the first mode in one state and the second permanent magnet can drive the vibrator 300 to realize the vibration in the second mode in another state. Therefore, the vibration device disclosed by the embodiment of the invention can realize vibration in different directions, and under the specific scenes that the electronic equipment is placed in a pocket or the electronic equipment is attached to a human body and the like, the electronic equipment adopting the vibration device can realize vibration in more directions, so that the vibration prompt effect of the electronic equipment can be improved.
The bracket 100 is a basic component of the vibration device, the structure of the bracket 100 may be various, and in an alternative scheme, the bracket 100 has an inner cavity 100a, the guide shaft 200 is fixedly mounted on the bracket 100 and is at least partially located in the inner cavity 100a, and the vibrator 300, the first electromagnetic coil, the second electromagnetic coil, the first permanent magnet and the second permanent magnet are all disposed in the inner cavity 100a, so as to be protected by the bracket 100. Of course, such an assembly configuration enables most of the components or structures of some of the components of the vibration device to be located in the internal cavity 100a, thereby facilitating a modular design of the vibration device.
In a specific operation process, the first electromagnetic coil and the second electromagnetic coil need to be energized, based on this, the vibration device disclosed in the embodiment of the present invention may further include a flexible lead or a flexible circuit board, a portion of the flexible lead or the flexible circuit board may be fixed in the inner cavity 100a and electrically connected to the first electromagnetic coil or the second electromagnetic coil, and another portion of the flexible lead or the flexible circuit board may extend out of the inner cavity 100a and thereby electrically connected to the power supply side of the electronic device. Specifically, the flexible lead or another portion of the flexible circuit board may extend out of the inner cavity 100a through hole disposed in the bracket 100.
In a specific embodiment, the support 100 may include a middle frame 110, a first cover 120 and a second cover 130, where the first cover 120 and the second cover 130 are respectively fixed at two opposite ports of the middle frame 110. Specifically, the first cover 120 and the second cover 130 may be fixed to two opposite ports of the middle frame 110 by welding, bonding, or the like. The first cover 120, the second cover 130 and the middle frame 110 enclose an inner cavity 100 a. Specifically, the first cover 120 and the second cover 130 can be detachably mounted at two opposite ports of the middle frame 110, in this case, the first cover 120 and the second cover 130 can be detached, so as to facilitate maintenance or replacement of components in the inner cavity 100 a.
Referring again to fig. 1, in the embodiment of the invention, the inner cavity 100a may include a top wall 100a1, a bottom wall 100a2 and a side wall 100a3, the top wall 100a1 and the bottom wall 100a2 are oppositely disposed, and the side wall 100a3 is located between the top wall 100a1 and the bottom wall 100a 2. One end of the guide shaft 200 is fixed to the top wall 100a1, and the other end of the guide shaft 200 is fixed to the bottom wall l00a 2. In this case, the guide shaft 200 is installed on the basis of the bracket 100, which is advantageous for improving the stability of the vibrator 300 rotating around the guide shaft 200. Specifically, the top wall 100a1 may be an inner side surface of the first cover 120, the bottom wall 100a2 may be an inner side surface of the second cover 130, and the side wall 100a3 may be an inner side surface of the middle frame 110.
Specifically, first mounting hole can be seted up to roof 100a1, and the second mounting hole can be seted up to diapire 100a2, and the one end of guiding axle 200 can be fixed in first mounting hole through modes such as welding, interference fit, and the other end of guiding axle 200 also can be fixed in the second mounting hole through modes such as welding, interference fit.
In the embodiment of the present invention, the first electromagnetic coil and the second electromagnetic coil are both provided to the bracket 100, and the first electromagnetic coil and the second electromagnetic coil may have various structures. For example, the first electromagnetic coil and the second electromagnetic coil may be of an integral structure or of a split structure, and similarly, the first permanent magnet and the second permanent magnet may be of an integral structure or of a split structure. Referring to fig. 1 again, in an alternative scheme, the first electromagnetic coil may include a first sub-coil 410 and a second sub-coil 420, the first sub-coil 410 is disposed on the top wall 100a1, the second sub-coil 420 is disposed on the bottom wall 100a2, and accordingly, the first permanent magnet may include a first sub-magnet 610 and a second sub-magnet 620 disposed on the vibrator 300, and the first sub-magnet 610 is disposed at an end of the vibrator 300 facing the top wall 100a1 and is disposed opposite to the first sub-coil 410, so that the first sub-magnet 610 can be matched with the first sub-coil 410. The second sub-magnet 620 is disposed at an end of the vibrator 300 facing the bottom wall 100a2, and is disposed opposite to the second sub-coil 420. In a specific operation, the direction of the energizing current of the first and second sub-coils 410 and 420 is adjusted to drive the vibrator 300 to reciprocate along the guide shaft 200. The first sub-coil 410 and the first sub-magnet 610, and the second sub-coil 420 and the second sub-magnet 620 are magnetically attracted to each other, and magnetically repelled to each other, thereby achieving the reciprocating movement of the vibrator 300 by a synergistic effect.
In the case of the above specific structure, referring to fig. 1, when the energization direction of the first sub-coil 410 and the second sub-coil 420 is the first direction, the first sub-coil 410 and the first sub-magnet 610 magnetically repel each other, and the second sub-coil 420 magnetically attracts the second sub-magnet 620, in which case the vibrator 300 moves in the direction of the arrow a under the driving of the first sub-magnet 610 and the second sub-magnet 620. Referring to fig. 2, when the energization directions of the first sub-coil 410 and the second sub-coil 420 are the second direction, the first sub-coil 410 and the first sub-magnet 610 are magnetically attracted to each other, and the second sub-coil 420 and the second sub-magnet 620 are magnetically repelled to each other, in this case, the vibrator 300 is driven by the first sub-magnet 610 and the second sub-magnet 620 to move in the direction of the arrow B, and in a specific working process, the vibrator 300 alternately moves in the directions of the arrow a and the arrow B by the change of the energization directions of the first sub-coil 410 and the second sub-coil 420, so as to achieve the purpose of reciprocating movement. Specifically, the first direction is opposite to the second direction.
In an alternative scheme, referring to fig. 3, when the energization direction of the first sub-coil 410 is different from the energization direction of the second sub-coil 420, the first sub-coil 410 is magnetically attracted to the first sub-magnet 610, and the second sub-coil 420 is magnetically attracted to the second sub-magnet 620, in which case the vibrator 300 can stop moving, thereby stopping the vibration. In the embodiment of the present invention, the first and second sub-coils 410 and 420 are both supplied with alternating current.
Above-mentioned optional scheme makes first solenoid include first subcoil 410 and second subcoil 420 and make first permanent magnet include first sub-magnet 610 and second sub-magnet 620 to be favorable to first solenoid and the overall arrangement of first permanent magnet on support 100 more reasonable, can make first solenoid and the setting of first permanent magnet on support 100 more nimble simultaneously, thereby make vibrating device's quality more balanced, be favorable to improving the stability of vibration.
Specifically, the first sub-coil 410 may be a first loop coil winding, and the first loop coil winding may be disposed around the guide shaft 200. The first sub-magnet 610 may be disposed around the guide shaft 200. In this case, the first sub-coil 410 and the first sub-magnet 610 are both annular structural members, which is beneficial to applying an acting force between the first sub-coil 410 and the first sub-magnet 610, so that the vibrator 300 realizes more balanced vibration, and avoids a polarization phenomenon caused by uneven stress.
Similarly, the second sub-coil 420 may be a second loop coil winding, the second loop coil winding may be disposed around the guide shaft 200, and the second sub-magnet 620 may be disposed around the guide shaft 200. In this case, the second sub-coil 420 and the second sub-magnet 620 are both annular structural members, which is beneficial to applying an acting force between the second sub-coil 420 and the second sub-magnet 620, so that the vibrator 300 realizes more balanced vibration, and avoids a polarization phenomenon caused by uneven stress.
For convenience of installation, the first sub-coil 410 may be fixed to an inner side surface of the first cover 120, thereby enabling installation along with installation of the first cover 120 on the middle frame 110. Similarly, the second sub-coil 420 may be fixed to the inner surface of the second cover 130, thereby enabling installation along with installation of the second cover 130 on the middle frame 110.
Alternatively, the second electromagnetic coil may include the third sub-coil 510 and the fourth sub-coil 520, and the sidewall 100a3 may include a first region and a second region. The first region and the second region may be disposed opposite to each other, the third sub-coil 510 is disposed in the first region, the fourth sub-coil 520 is disposed in the second region, the second permanent magnet includes a third sub-magnet 710 and a fourth sub-magnet 720 that are disposed at intervals on the vibrator 300, the third sub-magnet 710 is disposed opposite to the third sub-coil 510, and the fourth sub-magnet 720 is disposed opposite to the fourth sub-coil 520.
In a specific operation process, referring to fig. 4, when the energization direction of the third sub-coil 510 and the fourth sub-coil 520 is a third direction, the third sub-coil 510 and the third sub-magnet 710 repel each other magnetically, and at the same time, the fourth sub-coil 520 and the fourth sub-magnet 720 attract each other magnetically, so that the vibrator 300 is driven to rotate in one direction. Referring to fig. 5, when the current-carrying directions of the third sub-coil 510 and the fourth sub-coil 520 are the fourth direction, the third sub-coil 510 and the third sub-magnet 710 magnetically repel each other, and at the same time, the fourth sub-coil 520 and the fourth sub-magnet 720 magnetically repel each other, so that the vibrator 300 is driven to rotate in the other direction, and finally, the vibrator 300 is controlled to rotate back and forth by controlling the current-carrying directions of the third sub-coil 510 and the fourth sub-coil 520, thereby realizing the vibration of the vibration device in the second mode. Specifically, the third direction is opposite to the fourth direction.
In the embodiment of the present invention, the side wall 100a3 may be opened with a first installation space and a second installation space, and the third sub-coil 510 may be fixed in the first installation space, for example, the third sub-coil 510 is fixed in the first installation space by means of adhesion or clamping. The fourth sub-coil 520 may be fixed in the second mounting space, for example, the fourth sub-coil 520 may be fixed in the second mounting space by means of bonding or clamping. In the embodiment of the present invention, the first and second installation spaces may be installation grooves or installation holes opened at the side wall 100a 3. The above-described manner of providing the third and fourth sub-coils 510 and 520 can reduce the occupied space of the third and fourth sub-coils 510 and 520 in the inner cavity 100 a.
In order to improve the stability of the rotation, the third and fourth sub-magnets 710 and 720 may be symmetrically disposed on the vibrator 300, thereby reducing a centrifugal phenomenon during the rotation of the vibrator 300.
Referring to fig. 1 to fig. 3 again, in an alternative solution, the middle frame 110 may include a middle section 111 and two edge sections 112, the middle section 111 is located between the two edge sections 112, outer side surfaces of the edge sections 112 and the middle section 111 are located in the same plane, and a wall thickness of the middle section 111 is greater than a wall thickness of the edge sections 112. Specifically, first installation space and second installation space all can be seted up in interlude 111, and under this condition, more coils can be arranged in first installation space and the second installation space, and then form third sub-coil 510 and fourth sub-coil 520 respectively, and then can make third sub-coil 510 and fourth sub-coil 520 form stronger magnetic field under the circular telegram state, finally reach the purpose that drives oscillator 300 rotation better. Moreover, since the thickness of the middle section 111 is large, the distance between the third sub-coil 510 and the third sub-magnet 710 and the distance between the fourth sub-coil 520 and the fourth sub-magnet 720 can be small, and thus the magnetic force between the third sub-coil 510 and the fourth sub-magnet can be further improved, and the purpose of better driving the vibrator 300 to rotate can be achieved.
Referring to fig. 1 to 3 again, in another alternative, the first cover 120 may include a first cover body 121 and a first surrounding barrier 122, the first surrounding barrier 122 is fixed on an inner side surface of the first cover body 121, and specifically, the first surrounding barrier 122 and the first cover body 121 may be an integrated structure. The first cover body 121 is located at the first position of enclosing the outside of the baffle 122 and can form a first limit sinking platform with the first baffle 122, and in the installation process, the first limit sinking platform can be in limit fit with the surface of a port of the middle frame 110, so that the assembly stability can be improved, and meanwhile, the quick assembly of the support 100 is facilitated.
Specifically, the first sub-coil 410 may be positioned in a space surrounded by the first enclosure 122, so that the stability of the assembly can be improved.
Similarly, in another alternative, the second cover 130 may include a second cover body 131 and a second surrounding barrier 132, and the second surrounding barrier 132 is fixed on the inner side surface of the second cover body 131. Specifically, the second enclosure 132 may be an integral structure with the second cover body 131. The second cover body 131 is located the second and encloses the position that keeps off 132's the outside and can enclose with the second and keep off 132 and form the spacing heavy platform of second, and at the in-process of installation, the spacing heavy platform of second can with the spacing cooperation in surface at another port place of center 110 to can improve the stability of assembly. At the same time, rapid assembly of the bracket 100 is facilitated. Specifically, the second sub-coil 420 may be positioned in a space surrounded by the second enclosure 132, so that the stability of the assembly may be improved.
In an alternative, the vibrator 300 may be a cylindrical structure, and the vibrator 300 may be sleeved on the guide shaft 200. The vibrator 300 is sleeved on the guide shaft 200, so that the acting force applied to the guide shaft 200 by the vibrator 300 in the rotating process is balanced, and the guide shaft 200 is prevented from being damaged by stress. Specifically, the vibrator 300 may be engaged with the guide shaft 200 through the bearing 800, and the bearing 800 may enable the vibrator 300 to move along the guide shaft 200 and also enable the vibrator 300 to rotate with respect to the guide shaft 200. In a specific embodiment, an inner ring of the bearing 800 may be sleeved on the guide shaft 200 to be in sliding fit with the guide shaft 200 in the extending direction of the guide shaft 200, an outer ring of the bearing 800 may be fixed in a central hole of the vibrator 300, the vibrator 300 may pass through a rolling body between the outer ring and the inner ring to be rotated relative to the guide shaft 200, and the vibrator 300 may slide along the guide shaft 200 through the bearing 800.
Of course, the vibrator 300 is not limited to be assembled with the guide shaft 200 through the bearing 800, and specifically, the vibrator 300 may be directly sleeved on the guide shaft 200 and be slidably and rotatably matched through the shaft hole. Specifically, a gap may be formed between an inner wall of the center hole of the vibrator 300 and the guide shaft 200, thereby achieving the movable arrangement of the vibrator 300.
In a specific implementation manner, the first sub-magnet 610, the second sub-magnet 620, the third sub-magnet 710, and the fourth sub-magnet 720 disclosed in the embodiment of the present invention may all be magnetic steel, and may also be other types of magnetic members, which is not limited in this embodiment of the present invention.
Based on the vibration device disclosed by the embodiment of the invention, the embodiment of the invention discloses electronic equipment, and the disclosed electronic equipment comprises the vibration device disclosed by the embodiment.
The electronic device disclosed in the embodiment of the present invention may be a mobile phone, a tablet computer, an electronic book reader, a game machine, a vehicle-mounted navigator, a wearable device (e.g., a smart watch), or other types of devices, and the specific type of the electronic device is not limited in the embodiment of the present invention.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a vibrating device which characterized in that, includes support, guiding axle, oscillator, first solenoid, second solenoid, first permanent magnet and second permanent magnet, wherein:
the guiding axle set up in the support, the oscillator set up in with rotating the guiding axle, and can follow the guiding axle removes, first permanent magnet with the second permanent magnet all set up in on the oscillator, first solenoid with the second solenoid all set up in the support:
under the condition that the first electromagnetic coil is electrified and the second electromagnetic coil is powered off, the first electromagnetic coil is matched with the first permanent magnet to drive the vibrator to reciprocate along the guide shaft;
under the condition that the first electromagnetic coil is powered off and the second electromagnetic coil is powered on, the second electromagnetic coil is matched with the second permanent magnet to drive the vibrator to rotate around the guide shaft;
the bracket comprises a middle frame and two edge sections, wherein the middle frame comprises a middle section and two edge sections, the middle section is positioned between the two edge sections, the outer side surfaces of the edge sections and the middle section are positioned in the same plane, and the wall thickness of the middle section is greater than that of the edge sections;
the second electromagnetic coil comprises a third sub-coil and a fourth sub-coil, and the third sub-coil and the fourth sub-coil are respectively arranged at two opposite ends of the middle frame;
the second permanent magnet comprises a third sub-magnet and a fourth sub-magnet which are arranged on the vibrator at intervals, the third sub-magnet is opposite to the third sub-coil, and the fourth sub-magnet is opposite to the fourth sub-coil.
2. The vibration apparatus of claim 1 wherein the support has an interior cavity, the guide shaft is fixedly mounted to the support and at least partially disposed within the interior cavity, and the vibrator, the first electromagnetic coil, the second electromagnetic coil, the first permanent magnet, and the second permanent magnet are disposed within the interior cavity.
3. The vibration apparatus as claimed in claim 2, wherein the bracket includes a first cover and a second cover, the first cover and the second cover are respectively fixed at two opposite ends of the middle frame, and the inner cavity is defined by the first cover, the second cover and the middle frame.
4. The vibration apparatus as claimed in claim 2, wherein the inner chamber comprises a top wall, a bottom wall and a side wall, the top wall is disposed opposite to the bottom wall, the side wall is disposed between the top wall and the bottom wall, one end of the guide shaft is fixed to the top wall, and the other end of the guide shaft is fixed to the bottom wall.
5. The vibration apparatus according to claim 4, wherein the first electromagnetic coil includes a first sub-coil and a second sub-coil, the first sub-coil is disposed on the top wall, the second sub-coil is disposed on the bottom wall, the first permanent magnet includes a first sub-magnet and a second sub-magnet disposed on the vibrator, the first sub-magnet is disposed at an end of the vibrator facing the top wall and is disposed opposite to the first sub-coil, and the second sub-magnet is disposed at an end of the vibrator facing the bottom wall and is disposed opposite to the second sub-coil.
6. The vibratory device of claim 5 wherein the first sub-coil is a first annular coil winding disposed about the guide axis and the first sub-magnet is disposed about the guide axis, and/or wherein the second sub-coil is a second annular coil winding disposed about the guide axis and the second sub-magnet is disposed about the guide axis.
7. The vibratory device of claim 4 wherein the sidewall includes a first region and a second region, the first region being disposed opposite the second region, the third subcoil being disposed in the first region, and the fourth subcoil being disposed in the second region.
8. The vibration apparatus as claimed in claim 7, wherein the side wall defines a first mounting space and a second mounting space, the third sub-coil is fixed in the first mounting space, and the fourth sub-coil is fixed in the second mounting space.
9. The vibration device according to claim 1, wherein the vibrator is a cylindrical structural member, the vibrator is sleeved on the guide shaft, and the vibrator is matched with the guide shaft through a bearing.
10. An electronic device characterized by comprising the vibration apparatus according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010069561.2A CN111181343B (en) | 2020-01-20 | 2020-01-20 | Vibration device and electronic apparatus |
| PCT/CN2021/071798 WO2021147769A1 (en) | 2020-01-20 | 2021-01-14 | Vibration apparatus and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010069561.2A CN111181343B (en) | 2020-01-20 | 2020-01-20 | Vibration device and electronic apparatus |
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| Publication Number | Publication Date |
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| CN111181343A CN111181343A (en) | 2020-05-19 |
| CN111181343B true CN111181343B (en) | 2021-07-30 |
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| CN202010069561.2A Active CN111181343B (en) | 2020-01-20 | 2020-01-20 | Vibration device and electronic apparatus |
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| CN (1) | CN111181343B (en) |
| WO (1) | WO2021147769A1 (en) |
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|---|---|---|---|---|
| CN111181343B (en) * | 2020-01-20 | 2021-07-30 | 维沃移动通信有限公司 | Vibration device and electronic apparatus |
| CN111650827A (en) * | 2020-05-27 | 2020-09-11 | 维沃移动通信有限公司 | Electronic device |
| CN215733687U (en) * | 2020-07-10 | 2022-02-01 | 瑞声科技（南京）有限公司 | Bidirectional driving magnetic circuit |
| CN112994398B (en) * | 2021-03-04 | 2023-06-30 | 湖北工业大学 | Strong electromagnetic vibrator |
| CN114209232B (en) * | 2021-12-15 | 2022-12-13 | 中国人民解放军总医院第八医学中心 | Cleaning equipment is cleaned with health to critical care |
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| EP3327910A1 (en) * | 2016-11-23 | 2018-05-30 | Braun GmbH | Vibration motor for an electric hand-held appliance |
| CN110198113B (en) * | 2019-06-05 | 2024-04-26 | 重庆市仓兴达科技有限公司 | Micro motor with multi-dimensional reciprocating motion |
| CN111181343B (en) * | 2020-01-20 | 2021-07-30 | 维沃移动通信有限公司 | Vibration device and electronic apparatus |
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- 2020-01-20 CN CN202010069561.2A patent/CN111181343B/en active Active
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2021
- 2021-01-14 WO PCT/CN2021/071798 patent/WO2021147769A1/en active Application Filing
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| CN103475178A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Linear rotation permanent magnet motor |
| CN204046380U (en) * | 2014-09-04 | 2014-12-24 | 中国科学院宁波材料技术与工程研究所 | A kind of rotational alignment magneto |
| CN104539122A (en) * | 2014-12-08 | 2015-04-22 | 沈阳工业大学 | Rotary linear permanent magnet electric motor |
| CN209593236U (en) * | 2019-03-07 | 2019-11-05 | 国奥科技(深圳)有限公司 | Linear rotating motor |
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| Publication number | Publication date |
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| WO2021147769A1 (en) | 2021-07-29 |
| CN111181343A (en) | 2020-05-19 |
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