Lateral oscillators
Technical field
The utility model relates to a kind of lateral oscillators, relates in particular to a kind of lateral oscillators that is used for the electronic sound device.
Background technology
In the process of portable communication device fast developments such as mobile phone, more and more higher to the requirement that is installed in electro-acoustic element wherein.
The purpose that save the space in order to reach, promotes quality, electronic devices and components progressively develop to extra small ultra-thin direction, thus, as the main implementor of effects such as incoming call prompting, touch-control feedback, the also corresponding quickening of the development of vibrator.Lateral oscillators in the vibrator has the trend that replaces general vibrator because have stronger advantage on short transverse.Under extra small ultra-thin direction development trend, also more and more higher to the requirement of lateral oscillators vibratory output in lateral oscillators, this has proposed stern challenge to existing vibratory output Design Mode.
Seeing also Fig. 1, is a kind of generalized section of lateral oscillators 1, and described lateral oscillators 1 comprises a pair of magnets 10 and a coil 12.Mainly there is the actuating force problem of smaller in described lateral oscillators 1, main cause is that it has adopted unicoil 12 structures, cause the magnetic field of the magnet 10 that cooperates with described coil 12 only to have magnetic field to utilize near described coil 12 1 sides, magnetic field away from described coil 12 1 sides then is wasted, and has determined that the actuating force of described lateral oscillators 1 is less.
The utility model content
At the actuating force problem of smaller that existing lateral oscillators exists, the utility model provides a kind of actuating force bigger lateral oscillators.
A kind of lateral oscillators comprises first magnet, second magnet, the 3rd magnet and coil, and the magnetizing direction of described first magnet and described second magnet is opposite, and the magnetizing direction of described the 3rd magnet is perpendicular to the magnetizing direction of described first magnet.
As the further improvement of above-mentioned lateral oscillators, described first magnet, described second magnet and described the 3rd magnet from left to right set gradually.
As the further improvement of above-mentioned lateral oscillators, the magnetizing direction of described first magnet is downward, and the magnetizing direction of described the 3rd magnet makes progress, and the magnetizing direction of described second magnet left.
Further improvement as above-mentioned lateral oscillators further comprises coil, and described coil is arranged on the below of described first magnet, described second magnet and described the 3rd magnet.
As the further improvement of above-mentioned lateral oscillators, described coil is single layer coil or lattice coil structure.
Further improvement as above-mentioned lateral oscillators, further comprise magnetic conduction sheet, described magnetic conduction sheet is arranged on the top of described first magnet, described second magnet and described the 3rd magnet, and is bonded into one with described first magnet, described second magnet and described the 3rd magnet.
Further improvement as above-mentioned lateral oscillators further comprises upper casing and lower casing, and described upper casing and lower casing are accommodated described first magnet, described second magnet and described the 3rd magnet jointly.
In the described lateral oscillators of the present utility model, all be perpendicular under the situation that described coil magnetizes at described first magnet and described the 3rd magnet, described the 3rd magnet that adopts horizontal direction to magnetize, can effectively improve and utilize the useful Distribution of Magnetic Field of described first magnet and described the 3rd magnet, thereby under the situation that does not increase the oscillating component quality, can effectively improve the vibratory output of described lateral oscillators.
Description of drawings
Fig. 1 is a kind of generalized section of the lateral oscillators relevant with the utility model.
Fig. 2 is the generalized section of the utility model lateral oscillators one better embodiment.
Fig. 3 is the magnetic line of force distribution schematic diagram of the magnet of lateral oscillators shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing lateral oscillators of the present utility model is described.
Seeing also Fig. 2, is the generalized section of the utility model lateral oscillators one better embodiment, and described lateral oscillators 2 comprises first magnet 21, second magnet 22, the 3rd magnet 23, magnetic conduction sheet 24, coil 25, lower casing 26 and upper casing 27.Described lower casing 26 and described upper casing 27 cooperate the shell (not indicating) that forms described lateral oscillators 2 to accommodate described first magnet, described second magnet 22, described the 3rd magnet 23, described magnetic conduction sheet 24 and described coil 25.
Described first magnet 21, described second magnet 22 and described the 3rd magnet 23 all are arranged in the described shell, and all be permanent magnet, it is got by the higher metallic of multiple hardness usually, as iron, aluminium, nickel and cobalt etc., perhaps copper, niobium and tantalum etc., according to the difference of composition, its magnetic property is also to should be differentiated.
Described first magnet 21, the from left to right adjacent successively setting of described second magnet 22 with described the 3rd magnet 23.The magnetizing direction of described first magnet 21 and described the 3rd magnet 23 is opposite, and the magnetizing direction of described second magnet 22 is vertical with the magnetizing direction of described first magnet 21.For example, the magnetizing direction of described first magnet 21 is downwards, and promptly towards described lower casing 26, the magnetizing direction of described the 3rd magnet 23 is then for making progress, promptly towards described upper casing 27, the magnetizing direction that is arranged on second magnet 22 between described first magnet 21 and described the 3rd magnet 23 is for left.
Described coil 25 and described magnetic conduction sheet 24 are separately positioned on the both sides up and down of described first magnet 21, described second magnet 22 and described the 3rd magnet 23.In the present embodiment, described coil 25 is arranged on described first magnet 21, described second magnet 22 and described the 3rd magnet 23 side near described lower casing 26, and it is mainly formed by the copper cash coiling, according to the size of required actuating force, it can be a single layer coil, also can be lattice coil.
Described magnetic conduction sheet 24 is arranged on the top of described first magnet 21, described second magnet 22 and described the 3rd magnet 23, promptly near a side of described upper casing 27, and be bonded together with described first magnet 21, described second magnet 22 and described the 3rd magnet 23, thereby form magnetic circuit.
Please refer to Fig. 3, is the magnetic line of force distribution schematic diagram in described first magnet 21, described second magnet 22 and described the 3rd magnet 23 formed magnetic fields.Because described first magnet 21 upwards magnetizes, described the 3rd magnet 23 magnetizes downwards, described second magnet 22 22 of described first magnet 21 and described second magnets magnetizes left, so, the magnetic field intensity that makes progress perpendicular to described coil 25 a little less than, and stronger perpendicular to the downward magnetic field intensity of described coil 25, therefore, the actuating force that is placed on the described coil 25 in the magnetic field vertically downward can effectively improve, thus the corresponding vibratory output that produces that improves.
In described lateral oscillators 2 of the present utility model, when described first magnet 21 and described the 3rd magnet 23 all are perpendicular to described coil 25 and magnetize, described the 3rd magnet 23 that adopts horizontal direction to magnetize, can effectively improve and utilize the useful Distribution of Magnetic Field of described first magnet 21 and described the 3rd magnet 23, thereby under the situation that does not increase the oscillating component quality, can effectively improve the vibratory output of described lateral oscillators 2.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.