WO2010057409A1 - Vibreur électromagnétique miniature - Google Patents

Vibreur électromagnétique miniature Download PDF

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Publication number
WO2010057409A1
WO2010057409A1 PCT/CN2009/074630 CN2009074630W WO2010057409A1 WO 2010057409 A1 WO2010057409 A1 WO 2010057409A1 CN 2009074630 W CN2009074630 W CN 2009074630W WO 2010057409 A1 WO2010057409 A1 WO 2010057409A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibrating body
electromagnetic vibrator
iron core
outer casing
magnetic steel
Prior art date
Application number
PCT/CN2009/074630
Other languages
English (en)
Chinese (zh)
Inventor
陆勤
高宜杭
Original Assignee
浙江陆发微电机有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江陆发微电机有限公司 filed Critical 浙江陆发微电机有限公司
Publication of WO2010057409A1 publication Critical patent/WO2010057409A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates to a vibrator, and more particularly to a miniature electromagnetic vibrator for a mobile phone, a game machine or an electric massage appliance or the like.
  • Micro-vibrators are needed in mobile phones as silent signal source components; there are other areas where micro-vibrators are needed, such as game consoles, electric massage appliances, and so on.
  • the micro vibrators currently in use are usually micro-vibration motors.
  • the micro-vibration motors are composed of a motor and an eccentric weight, whether cylindrical or flat. The rotation of the motor drives the eccentric weight to rotate, thus generating vibration.
  • These DC motors are generally equipped with bearings, brushes and commutators, tungsten alloy eccentrics, rotors with eccentric wheels for high-speed unbalanced rotation, which require higher quality materials for bearings, brushes and commutators.
  • the biggest problem with motors with brushes and commutators is that they are prone to wear, have a short life, and have electromagnetic interference that produces commutation sparks.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a miniature electromagnetic vibrator which has a simple structure, low material consumption, light weight, low manufacturing cost, long service life, and no commutation spark and electromagnetic interference.
  • a miniature electromagnetic vibrator consisting of a coil disposed in a square casing, an in-line iron core, a crash pad, a magnetic steel, a vibrating body and an elastic device, wherein the in-line iron core, the crash pad and the magnetic steel are disposed Inside the vibrating body, both end faces of the in-line iron core are respectively connected to the crash pad and face one side of the magnetic steel, and the other side of the magnetic steel is embedded in the vibrating body;
  • the core has one or more cores, and a coil is wound around the iron core. The two ends of the coil lead wires are connected to an external power source.
  • the vibration body is substantially filled with a square outer casing, and the vibration body is connected to the outer casing through an elastic device.
  • the inline iron core may be one, slightly larger, located in the lower part of the vibrating body; or may be located in the middle of the vibrating body; or may be two smaller ones, respectively It is located in the upper part and the lower part of the vibrating body; it can also be a small number of small ones, evenly distributed inside the vibrating body, and can be set according to the vibration force required by the product.
  • micro electromagnetic vibrator of the present invention wherein the magnetic steel can be embedded in the groove of the vibrating body by bonding.
  • the elastic means may be a rhombic reed which is respectively located on both sides of the vibrating body, and a protruding point of one side of the rhomboid is connected to the middle of the side of the vibrating body, and the other side The protruding point is connected to the inner wall of the square outer casing. It may also be a reed having a curved cross section on both sides of the vibrating body, the upper and lower ends of the curved reed being respectively connected to the side edges of the vibrating body, and the middle end being connected to the inner wall of the square outer casing.
  • a perforated silicone rubber body that fills the gap between the sides of the vibrating body and the square outer casing. It mainly serves to transmit vibration to the outer casing, specifically According to the size and model of the product and the difficulty of processing, there are many implementation methods.
  • connection method mentioned may be a conventional connection method such as bonding or welding or riveting.
  • an alternating current of a certain voltage and frequency is applied to both ends of the coil through the wires led from both ends of the coil, so that a magnetic field is generated at both ends of the ingot core, and a magnetic steel is generated between the opposite magnets.
  • the thrust and the pulling force of the same pole repulsive and the opposite pole attracting, so that under the action of the magnetic field, the magnetic steel drives the vibrating body to move horizontally according to the position shown in the figure.
  • the vibrating body can be realized in the left and right direction.
  • the shuttle moves back and forth, and the moving vibrating body transmits the vibration force to the outer casing through the elastic device. The shock is greatest when the vibrating body and the elastic device and the outer casing are co-seismic.
  • the micro electromagnetic vibrator of the invention has the following advantages and technical effects - 1.
  • the micro electromagnetic vibrator of the invention has good controllability, and when alternating currents of different voltages and frequencies are applied at both ends of the coil, when the frequency and voltage are changed, It is easy to obtain different forms of shock to meet the different needs of various earthquakes.
  • micro electromagnetic vibrator of the invention overcomes the defects such as easy wear of the brush and the commutator motor, short life, electromagnetic interference caused by spark during commutation.
  • the micro electromagnetic vibrator of the invention has the advantages of simple structure, light weight, low manufacturing cost, long service life and no spark electromagnetic interference.
  • the micro electromagnetic vibrator of the present invention has the largest effective force because the force generated by the magnetic field is not decomposed; and because the design of the inline core minimizes the volume of the core and maximizes the volume of the vibrating body, the multi-purpose low can be used.
  • the proportion of iron and copper materials is less than the use of high-specific gravity tungsten precious metal materials, which achieves the goal of reducing material costs.
  • Embodiment 1 is a schematic view of Embodiment 1 of a miniature electromagnetic vibrator of the present invention
  • Figure 2 is a perspective view of the diamond-shaped reed in Figure 1;
  • FIG. 3 is a schematic view of Embodiment 2 of the miniature electromagnetic vibrator of the present invention.
  • Figure 4 is a perspective view of the curved reed in Figure 3;
  • Fig. 5 is a schematic view showing a third embodiment of the micro electromagnetic vibrator of the present invention.
  • the micro electromagnetic vibrator in this embodiment is composed of a coil 1, an incore core 2, a crash pad 7, a magnetic steel 3, a vibrating body 4, and a rhombic spring 5 which are disposed in a square outer casing 6.
  • the structure, the in-line iron core 2, the crash pad 7 and the magnetic steel 3 are all disposed inside the vibrating body 4, and the end faces of the in-line iron core 2 are respectively connected to the crash pad 7 and facing the magnetic steel 3
  • the other side of the magnet steel 3 is embedded in the vibrating body 4; the in-line iron core 2 has a lower portion located inside the vibrating body 4, and has a slightly larger volume, and the coil 1 is wound thereon, and can also be inserted in the coil 1.
  • the coil 1 is fixed on the outer casing 6, the lead wires at both ends of the coil 1 are connected to an external power source, the vibrating body 4 is substantially filled with the square outer casing 6, and the vibrating body 4 is connected to the outer casing 6 through the rhombic spring 5, one side of the rhombic spring 5
  • the protruding points are welded to the middle of the side of the vibrating body 4, and the protruding points of the other side are welded to the inner wall of the square casing 6.
  • the square outer casing 6 has a certain thickness and can be divided into two parts. After the above components are loaded, the two parts are welded or riveted together.
  • the micro electromagnetic vibrator in this embodiment is composed of a coil disposed in the square housing 6', a flat core 2', a crash pad 7', a magnetic steel 3', a vibrating body 4', and The curved reed 5' (see Fig.
  • the inline core 2', the crash pad 7' and the magnetic steel 3' are disposed inside the vibrating body 4', and the end faces of the ingot core 2' are respectively connected
  • the crash pad 7' is facing the side of the magnet 3', and the other side of the magnet 3' is embedded in the vibrating body 4';
  • the two-shaped iron core 2' has two upper portions located inside the vibrating body 4' and The lower part is slightly smaller, and has two coils wound thereon.
  • the coil 1' is fixed on the outer casing 6'. The two coils are connected in series (connected at the beginning) and are led out by wires or circuit boards, connected to an external power source, and vibrated.
  • the body 4' is substantially filled with a square outer casing 6', and the vibrating body 4' is connected to the outer casing 6' via a curved reed 5'.
  • the upper and lower ends of the curved reed 5' are respectively welded to the sides of the vibrating body 4'.
  • the end is welded to the inner wall of the square casing 6', and the vibration of the vibrating body 4' transmits the vibration through the curved reed 5' To the outer casing.
  • the micro electromagnetic vibrator in this embodiment is composed of a coil 1", a flat core 2", a crash pad 7", a magnetic steel 3, and a vibrating body 4 which are disposed in a square casing 6".
  • "Strong with silicone rubber body 5", the in-line iron core 2 ⁇ , the crash pad 7 ⁇ and the magnetic steel 3 ⁇ are all disposed inside the vibrating body 4", and the end faces of the in-line iron core 2 ⁇ are respectively connected to the anti-collision
  • the pad 7" is facing the side of the magnetic steel 3 ⁇ , and the other side of the magnetic steel 3 ⁇ is embedded in the vibrating body 4"; the one-piece iron core 2 has a central portion located in the middle of the vibrating body 4 ⁇ , which is slightly larger.
  • the coil 1" is wound on the coil 1", and the coil 1" is fixed on the casing 6 ⁇ .
  • the lead wires of the coil 1" are connected to the external power source, the vibration body 4 ⁇ is substantially filled with the square casing 6", and the vibration body 4 ⁇ is filled with the vibration.
  • a perforated silicone rubber body 5" with a gap between the sides of the body and the square outer casing is connected to the outer casing 6" to transmit vibration to the outside Shell.
  • the micro electromagnetic vibrator of the invention can be widely used as a vibration source for mobile phones, game machines, electric massagers and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

L'invention porte sur un vibreur électromagnétique miniature constitué par une bobine (1 ; 1' ; 1?), un noyau de fer de forme linéaire (2 ; 2' ; 2?), une couche anti-collision (7 ; 7' ; 7?), un acier à aimants (3 ; 3' ; 3?), un élément vibrant (4 ; 4' ; 4?) et un dispositif élastique (5 ; 5' ; 5?) placés dans un boîtier de forme carrée (6 ; 6' ; 6?). Le noyau de fer de forme linéaire (2 ; 2' ; 2?), la couche anti-collision (7 ; 7' ; 7?) et l'acier à aimants (3 ; 3' ; 3?) sont tous placés à l'intérieur de l'élément vibrant (4 ; 4' ; 4?). Les deux plans d'extrémité du noyau de fer de forme linéaire (2 ; 2' ; 2?) sont reliés à la couche anti-collision (7 ; 7' ; 7?) respectivement, et sont placés au-dessus contre une surface de l'acier à aimants (3 ; 3' ; 3?). L'autre surface de l'acier à aimants (3 ; 3' ; 3?) est incorporée dans l'élément vibrant (4 ; 4' ; 4?). Il existe un seul noyau de fer de forme linéaire (2 ; 2' ; 2?) ou il existe plusieurs noyaux de fer de forme linéaire (2 ; 2' ; 2?). La bobine (1 ; 1' ; 1?) est enroulée autour du noyau de fer de forme linéaire (2 ; 2' ; 2?). Les deux extrémités de la bobine (1 ; 1' ; 1?) sont connectées à une alimentation électrique externe. L'élément vibrant (4 ; 4' ; 4?) remplit complètement le boîtier de forme carrée (6 ; 6' ; 6?). L'élément vibrant (4 ; 4' ; 4?) est relié au boîtier (6 ; 6' ; 6?) par le dispositif élastique (5 ; 5' ; 5?).
PCT/CN2009/074630 2008-11-24 2009-10-27 Vibreur électromagnétique miniature WO2010057409A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2008101807116A CN101478219B (zh) 2008-11-24 2008-11-24 微型电磁震动器
CN200810180711.6 2008-11-24

Publications (1)

Publication Number Publication Date
WO2010057409A1 true WO2010057409A1 (fr) 2010-05-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2009/074630 WO2010057409A1 (fr) 2008-11-24 2009-10-27 Vibreur électromagnétique miniature

Country Status (2)

Country Link
CN (1) CN101478219B (fr)
WO (1) WO2010057409A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101478219B (zh) * 2008-11-24 2010-09-29 浙江陆发微电机有限公司 微型电磁震动器
CN103066789B (zh) * 2013-01-24 2016-04-20 乐清市陆宇微电机有限公司 扁平式电磁线性振动器
CN109819383B (zh) * 2019-01-30 2020-07-07 汉得利（常州）电子股份有限公司 一种双轴立体振感触觉反馈激励器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2153175Y (zh) * 1993-05-25 1994-01-12 董成宝 弹簧系磁振子往复共振电机
CN2513284Y (zh) * 2001-06-28 2002-09-25 刘冠舜 磁电分合动力机
JP2007098238A (ja) * 2005-10-03 2007-04-19 Alps Electric Co Ltd 振動発生装置
CN101478219A (zh) * 2008-11-24 2009-07-08 浙江陆发微电机有限公司 微型电磁震动器
CN201294447Y (zh) * 2008-11-24 2009-08-19 浙江陆发微电机有限公司 微型电磁震动器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3382061B2 (ja) * 1995-05-31 2003-03-04 松下電工株式会社 リニア振動モータ
CN2657274Y (zh) * 2003-06-24 2004-11-17 浙江华尔实业有限公司 磁悬浮电机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2153175Y (zh) * 1993-05-25 1994-01-12 董成宝 弹簧系磁振子往复共振电机
CN2513284Y (zh) * 2001-06-28 2002-09-25 刘冠舜 磁电分合动力机
JP2007098238A (ja) * 2005-10-03 2007-04-19 Alps Electric Co Ltd 振動発生装置
CN101478219A (zh) * 2008-11-24 2009-07-08 浙江陆发微电机有限公司 微型电磁震动器
CN201294447Y (zh) * 2008-11-24 2009-08-19 浙江陆发微电机有限公司 微型电磁震动器

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Publication number Publication date
CN101478219B (zh) 2010-09-29
CN101478219A (zh) 2009-07-08

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