CN110830891B

CN110830891B - High-power frequency-division-self full-frequency loudspeaker

Info

Publication number: CN110830891B
Application number: CN201810891434.3A
Authority: CN
Inventors: 殷秋龙; 周宝宁
Original assignee: Shenzhen Bao Ye Heng Co ltd
Current assignee: Shenzhen Bao Ye Heng Co ltd
Priority date: 2018-08-07
Filing date: 2018-08-07
Publication date: 2021-05-07
Anticipated expiration: 2038-08-07
Also published as: CN110830891A

Abstract

The invention discloses a high-power self-frequency-division full-frequency loudspeaker, which comprises: the auxiliary system, the medium-low frequency vibration system, the detachable high-sound block and the magnetic circuit system; the auxiliary system is respectively and fixedly connected with the medium-low frequency vibration system and the magnetic circuit system; the middle-low frequency vibration system is partially arranged in the magnetic circuit system; the magnetic circuit system is positioned at the bottom of the auxiliary system; the high-pitch block is fixed in the center of the interior of the medium-low frequency vibration system; and the treble block is fixed with the magnetic circuit system and partially extends into the magnetic circuit system. Due to the existence of the high-frequency block, the high-frequency block can synchronously vibrate with the medium-low frequency system in the magnetic circuit system to generate high-frequency sound, so that the arrangement of a frequency division circuit is omitted, the fidelity is improved, and the power loss is reduced.

Description

High-power frequency-division-self full-frequency loudspeaker

Technical Field

The invention relates to the technical field of loudspeakers, in particular to a high-power self-frequency-division full-frequency loudspeaker.

Background

A speaker, also called a "horn", is a very common electroacoustic transducer. The loudspeaker generally comprises a vibration system, a magnetic circuit system and an auxiliary system, and when the loudspeaker works actually, friction between the vibration system and air is realized according to Faraday's law, so that sound is amplified.

In the prior art, the existing full-frequency loudspeaker has low power, and has limitations on size (generally below 8 inches) due to insufficient low-frequency lower limit or high-frequency upper limit; moreover, the loudspeakers used by most of the traditional sound boxes are respectively assembled after the high pitch loudspeaker and the middle bass loudspeaker are added with the complex frequency division network, and are separated, so that the box bodies are relatively large, and the distortion and the power loss are greatly increased after the frequency division circuit is added; moreover, a high-frequency vibration system of the conventional loudspeaker is easy to damage, and the service life of the loudspeaker is greatly shortened.

Therefore, it is an urgent need to solve the problem of providing a full-range speaker with good sound quality and low power consumption.

Disclosure of Invention

In view of this, the present invention provides a high power self-crossover full-range speaker, which can vibrate in a magnetic circuit system synchronously with a medium-low frequency system to generate high frequency sound due to the existence of a high-frequency block, thereby omitting the arrangement of a crossover circuit, improving the fidelity, and reducing the power loss.

In order to achieve the purpose, the invention adopts the following technical scheme:

a high power self-crossover full range speaker, comprising: the auxiliary system, the medium-low frequency vibration system, the detachable high-sound block and the magnetic circuit system; the auxiliary system is respectively and fixedly connected with the medium-low frequency vibration system and the magnetic circuit system; the middle-low frequency vibration system is partially arranged in the magnetic circuit system; the magnetic circuit system is positioned at the bottom of the auxiliary system; the high-frequency block is fixed in the center of the interior of the medium-low frequency vibration system; and the high-sound block is fixed with the magnetic circuit system and partially extends into the magnetic circuit system.

Optionally, the auxiliary system includes: pressing edges and a basin frame; the edge pressing device is fixed at the top end of the basin stand; the medium-low frequency vibration system and the magnetic circuit system are both fixed with the basin frame.

Optionally, the medium-low frequency vibration system includes: the voice coil, the damper, the low-frequency vibration basin and the medium-frequency vibration basin; the voice coil, the elastic wave, the low-frequency vibration basin and the medium-frequency vibration basin are all arranged on the periphery of the high-pitch block; the voice coil is connected with the high sound block, the elastic wave, the low-frequency vibration basin and the medium-frequency vibration basin; the elastic wave and the low-frequency vibration basin are respectively fixed with the basin frame; the bottom end of the voice coil extends into the magnetic circuit system.

Optionally, the magnetic circuit system includes a T-iron, a magnet, and a washer; the magnet and the washer are sequentially arranged in the T iron groove from bottom to top; the washer is fixed with the basin frame; the bottom end of the voice coil and the high-pitch block extend into a gap formed by enclosing the washer, the magnet and the T iron; the bottom end of the high pitch block is fixed with the top of the T iron.

Optionally, the high-pitch block includes a high-pitch phase adjuster, a high-frequency syngen amplifier, a high-pitch diaphragm, a sealing washer, a positioning support, a high-frequency short-circuit voice coil, a first high-frequency voice coil positioner, and a second high-frequency voice coil positioner; the high-pitch phase adjuster is detachably connected with the first high-frequency voice coil position adjuster; the second high-frequency voice coil position adjuster is detachably connected with the first high-frequency voice coil position adjuster, and the first high-frequency voice coil position adjuster and the second high-frequency voice coil position adjuster are sequentially arranged at the bottom of the high-pitch phase adjuster; the high-frequency sound film, the sealing ring pad and the positioning support piece are detachably connected with the high-frequency short circuit voice coil, and the high-frequency bunching amplifier is fixedly connected with the sealing ring pad; the second high-frequency voice coil position adjuster is fixed with the T iron; the bottom end of the high-frequency short circuit voice coil extends into the gap.

Optionally, the high-pitch sound film is processed by a CAPTON high polymer material and a titanium material; the titanium material is formed by a die in a punching mode, the CAPTON material is formed by a plastic suction process, and the CAPTON material are bonded to form the high-pitch sound membrane.

Optionally, the high-frequency short-circuit voice coil is formed by flat winding a CCAR wire.

According to the technical scheme, compared with the prior art, the high-power self-frequency-division full-frequency loudspeaker is provided, the low-frequency vibration basin, the medium-frequency vibration basin and the high-pitch block are integrated in the loudspeaker body, so that when the loudspeaker is boxed, a complex frequency division network is omitted, the fidelity of the tone quality is improved, the power loss is reduced, and the full-frequency system is arranged, so that the low frequency can be expanded to about 50Hz (which is determined by the voice coil, the elastic wave and the low-frequency vibration basin together), the high frequency can be expanded to about 18KHz, the high-pitch block is of a detachable structure, and when the loudspeaker is idle, the high-pitch block can be detached, and the interior of the loudspeaker can be cleaned and maintained conveniently.

Secondly, when the voice coil in the loudspeaker has current to pass through, the voice coil can receive an electrodynamic force atress direction and press the left hand rule, and after the atress takes place, the vibration system including the voice coil vibrates with certain speed, can produce induced voltage in the voice coil inside again, and its direction accords with the right hand rule, and the current direction is opposite with original. At the moment, the voice coil is an initial action of damping generation and a bearing of the damping, so that the low-frequency vibration basin and the medium-frequency vibration basin rub with air and vibrate to amplify sound; the T-iron and other magnetic circuit system structures are used for generating a magnetic field and forming a magnetic gap, so that the voice coil is stressed in the magnetic field, and vibration of the vibration system is driven to occur; the first high-frequency voice coil positioner and the second high-frequency voice coil positioner automatically adjust the height position of the specially-made high-frequency short-circuit voice coil in the magnetic gap, and then are positioned and bonded with the high-frequency voice coil voice film positioning support sheet; when the loudspeaker works, the special high-frequency short-circuit voice coil induces voltage in the magnetic gap and picks up high-frequency sound signals, the high-frequency sound phase is adjusted by the high-frequency phase adjuster to be synchronous with the medium-low frequency sound, and then the high-frequency sound pressure is zoomed out together with the high-frequency sound gathering amplifier, so that the aim of replaying the high-frequency sound is achieved, and the full-frequency sound is replayed together with the medium-low frequency vibration basin; the special high-frequency short-circuit voice coil is formed by flat winding of a CCAR wire, the impedance is very low, and almost no impedance exists, so that the special high-frequency short-circuit voice coil hardly generates heat loss after inducing voltage, and can not be damaged any more, and can stop working only when a medium-low frequency voice coil is damaged.

In conclusion, the high-power self-frequency-division full-frequency loudspeaker provided by the invention achieves the technical effects that;

1) the low-frequency system, the medium-frequency system and the high-frequency system are combined in the same loudspeaker body, so that the arrangement of a frequency division network is saved when the loudspeaker is boxed for use, the fidelity of tone quality is improved, and the power loss is reduced;

2) the high-frequency part has low impedance, almost no impedance, never damages and can be recycled.

3) The limitation of the power and the size of the full-frequency loudspeaker is broken.

4) The volume of the box body is reduced, so that the cost is reduced, the area occupied by the loudspeaker box is reduced, and the use cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of the structure of the present invention;

fig. 2 is a schematic structural diagram of the high-sound block of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention discloses a high-power self-frequency-division full-frequency loudspeaker, which comprises: the system comprises an auxiliary system 1, a medium-low frequency vibration system 2, a detachable high-sound block 3 and a magnetic circuit system 4; the auxiliary system 1 is respectively fixedly connected with the medium-low frequency vibration system 2 and the magnetic circuit system 4; the middle-low frequency vibration system 2 is partially arranged in the magnetic circuit system 4; and the magnetic circuit system 4 is positioned at the bottom of the auxiliary system 1; the high-sound block 3 is fixed in the center of the interior of the medium-low frequency vibration system 2; and the treble block 3 is fixed with the magnetic circuit 4 and partially extends into the magnetic circuit 4.

According to the technical scheme, compared with the prior art, the high-power self-frequency-division full-frequency loudspeaker is provided, the low-frequency vibration basin, the medium-frequency vibration basin and the high-pitch block are integrated in the loudspeaker body, so that when the loudspeaker is boxed, a complex frequency division network is omitted, the fidelity of the tone quality is improved, the power loss is reduced, and the full-frequency system is arranged, so that the low frequency can be expanded to about 50HZ, the high frequency can be expanded to about 18KHZ, the high-pitch block is of a detachable structure, and when the loudspeaker is idle, the high-pitch block can be detached, and the interior of the loudspeaker is convenient to clean and maintain.

Optionally, the auxiliary system 1 comprises: a blank holder 11 and a basin stand 12; the edge pressing 11 is fixed at the top end of the basin stand 12; the medium-low frequency vibration system 2 and the magnetic circuit system 4 are both fixed with the basin stand 12.

Optionally, the medium-low frequency vibration system 2 includes: a voice coil 21, a damper 22, a low frequency vibration basin 23 and a medium frequency vibration basin 24; the voice coil 21, the damper 22, the low-frequency vibration basin 23 and the medium-frequency vibration basin 24 are all arranged on the periphery of the high pitch block 3; the voice coil 21 is connected with the treble block 3, the damper 22, the low-frequency vibration basin 23 and the medium-frequency vibration basin 24; the elastic wave 22 and the low-frequency vibration basin 23 are respectively fixed with the basin frame 12; the bottom end of the voice coil 21 extends into the magnetic circuit system 4.

When the voice coil in the loudspeaker has current to pass through, the voice coil can receive an electrodynamic force direction of force and press the left hand rule, after the atress takes place, the vibration system including the voice coil vibrates with certain speed, can produce induced voltage in the voice coil inside again, and its direction accords with the right hand rule, and is opposite with original current direction. At this time, the voice coil is the initial action of the damping and the bearing of the damping, so that the low-frequency vibration basin and the medium-frequency vibration basin rub with air and vibrate, and the sound is amplified.

Optionally, the magnetic circuit system 4 includes a T-iron 41, a magnet 42, and a washer 43; the magnet 42 and the washer 43 are sequentially arranged in the T iron 41 groove from bottom to top; the washer 43 is fixed with the basin stand 12; the bottom end of the voice coil 21 and the high pitch block 3 partially extend into a gap surrounded by the washer 43, the magnet 42 and the T iron 41; the bottom end of the treble block 3 is fixed with the top of the T iron 41.

The T-shaped iron and other magnetic circuit system structures are used for generating a magnetic field and forming a magnetic gap, so that the voice coil is stressed in the magnetic field, and vibration of the vibration system is driven to occur.

Optionally, the treble block 3 includes a treble phase adjuster 31, a high-frequency syngen amplifier 32, a treble membrane 33, a gasket 34, a positioning support 35, a high-frequency short-circuit voice coil 36, a first high-frequency voice coil aligner 37 and a second high-frequency voice coil aligner 38; the treble phase adjuster 31 is detachably connected with the first high-frequency voice coil positioner 37; the second high-frequency voice coil position adjuster 38 is detachably connected with the first high-frequency voice coil position adjuster 37, and the first high-frequency voice coil position adjuster 37 and the second high-frequency voice coil position adjuster 38 are sequentially arranged at the bottom of the high-pitch phase adjuster 31; the high-pitch sound film 33, the sealing ring pad 34 and the positioning support piece 35 are detachably connected with the high-frequency short circuit voice coil 36, and the high-frequency bunching amplifier 32 is fixedly connected with the sealing ring pad 34; the second high frequency voice coil positioner 38 is fixed with the T iron 41; the bottom end of the hf shorting coil 36 extends into the gap.

The first high-frequency voice coil positioner and the second high-frequency voice coil positioner automatically adjust the height position of the specially-made high-frequency short-circuit voice coil in the magnetic gap, and then are positioned and bonded with the high-frequency voice coil voice film positioning support sheet; when the loudspeaker works, the special high-frequency short-circuit voice coil induces voltage in the magnetic gap and picks up high-frequency sound signals, the high-frequency sound phase is adjusted by the high-frequency phase adjuster A to be synchronous with the medium-low frequency sound, and then the high-frequency sound pressure is zoomed out together with the high-frequency sound gathering amplifier, so that the aim of replaying the high-frequency sound is achieved, and the full-frequency sound is replayed together with the medium-low frequency vibration basin.

Optionally, the high-pitch diaphragm 33 is processed by a CAPTON polymer material and a titanium material; the titanium material is formed by a die in a punching mode, the CAPTON material is formed by a plastic suction process, and the CAPTON material and the high-pitch membrane 33 are bonded to form the high-pitch membrane.

Optionally, the hf-shorting voice coil 36 is formed by flat winding of a CCAR wire.

The special high-frequency short-circuit voice coil is formed by flat winding of a CCAR wire, the impedance is very low, and almost no impedance exists, so that the special high-frequency short-circuit voice coil hardly generates heat loss after inducing voltage, and can not be damaged forever, and can stop working only when the middle-low frequency voice coil is damaged, and the service life of the loudspeaker is prolonged.

The specific working principle of the invention is as follows: when the voice coil of the loudspeaker is connected with audio current, the voice coil generates an alternating magnetic field under the action of the current, and the T iron and the magnet in the magnetic circuit system also generate a constant magnetic field with unchanged size and direction. Because the size and the direction of the magnetic field generated by the voice coil are continuously changed along with the change of the audio current, the interaction of the two magnetic fields enables the voice coil to do the motion vertical to the current direction in the voice coil, and the voice coil is connected with the low-frequency vibration basin and the medium-frequency vibration basin to drive the vibration basin to vibrate, thereby driving the vibration of air to sound; meanwhile, a high-frequency short-circuit voice coil in the high-frequency block induces voltage in a magnetic gap and picks up high-frequency sound signals, a high-frequency sound phase regulator regulates the high-frequency sound phase to be synchronous with medium and low frequency sound, and the high-frequency sound phase regulator and the high-frequency sound gathering amplifier zoom out high-frequency sound pressure to achieve the purpose of replaying the high-frequency sound and realize full-frequency sound production.

In particular, the larger the current input to the voice coil, the larger the force of the magnetic field, and the larger the vibration amplitude of the vibration cone, the larger the sound. The part of the loudspeaker emitting high pitch is mainly concentrated in the center of the vibration basin, namely the position of the high pitch block. The harder the material of the center of the vibration basin is, the louder the center is, and the better the playback effect is; the bass sound emission part is mainly concentrated on the edge of the vibration basin, the softer the edge material is, and the larger the caliber of the vibration basin is, the better the playback effect is.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high-power self-frequency-division full-frequency loudspeaker, comprising: the system comprises an auxiliary system (1), a medium-low frequency vibration system (2), a detachable high-sound block (3) and a magnetic circuit system (4); the auxiliary system (1) is respectively and fixedly connected with the medium-low frequency vibration system (2) and the magnetic circuit system (4); and the magnetic circuit system (4) is positioned at the bottom of the auxiliary system (1); the middle-low frequency vibration system (2) is partially arranged in the magnetic circuit system (4); the high-frequency block (3) is fixed in the center of the interior of the medium-low frequency vibration system (2); the high-sound block (3) is fixed with the magnetic circuit system (4) and partially extends into the magnetic circuit system (4);

the medium and low frequency vibration system (2) comprises: the voice coil (21), the damper (22), the low-frequency vibration basin (23) and the medium-frequency vibration basin (24); the voice coil (21), the damper (22), the low-frequency vibration basin (23) and the medium-frequency vibration basin (24) are all arranged on the periphery of the high sound block (3); the voice coil (21) is connected with the high sound block (3), the damper (22), the low-frequency vibration basin (23) and the medium-frequency vibration basin (24); the elastic wave (22) and the low-frequency vibration basin (23) are respectively fixed with the basin frame (12); the bottom end of the voice coil (21) extends into the magnetic circuit system (4);

the high-sound block (3) comprises a high-sound phase adjuster (31), a high-frequency syngen amplifier (32), a high-sound film (33), a sealing ring pad (34), a positioning support piece (35), a high-frequency short circuit voice coil (36), a first high-frequency voice coil position adjuster (37) and a second high-frequency voice coil position adjuster (38);

the high-pitch phase adjuster (31) is detachably connected with the first high-frequency voice coil positioner (37); the second high-frequency voice coil position adjuster (38) is detachably connected with the first high-frequency voice coil position adjuster (37), and the first high-frequency voice coil position adjuster (37) and the second high-frequency voice coil position adjuster (38) are sequentially arranged at the bottom of the high-pitch phase adjuster (31); the high-tone film (33), the sealing ring pad (34) and the positioning support piece (35) are detachably connected with the high-frequency short-circuit voice coil (36), and the high-frequency bunching amplifier (32) is fixedly connected with the sealing ring pad (34); the second high-frequency voice coil position adjuster (38) is fixed with the T iron (41); the bottom end of the high-frequency short circuit voice coil (36) extends into the gap;

the assistance system (1) comprises: a blank holder (11) and a basin frame (12); the edge pressing (11) is fixed at the top end of the basin frame (12); the medium-low frequency vibration system (2) and the magnetic circuit system (4) are both fixed with the basin frame (12);

the magnetic circuit system (4) comprises a T iron (41), a magnet (42) and a washer (43); the magnet (42) and the washer (43) are sequentially arranged in the T iron (41) groove from bottom to top;

the washer (43) is fixed with the basin frame (12); the bottom end of the voice coil (21) and the part of the high sound block (3) extend into a gap surrounded by the washer (43), the magnet (42) and the T iron (41); the bottom end of the high-sound block (3) is fixed with the top of the T iron (41).

2. The high power self-frequency-division full-range speaker according to claim 1, wherein the high sound film (33) is made of CAPTON polymer material and titanium material.

3. A high power self-crossover full range speaker according to claim 1, wherein the high frequency short circuit voice coil (36) is formed by flat winding of CCAR wire.