The utility model discloses a coaxial three-tone-circuit loudspeaker which comprises a common lower magnetic conductive plate, a high-pitch magnetic circuit, a middle-pitch magnetic circuit and a low-pitch magnetic circuit, wherein the high-pitch magnetic circuit and the middle-pitch magnetic circuit are respectively arranged at one end of the common lower magnetic conductive plate, and the low-pitch magnetic circuit is arranged at the other end of the common lower magnetic conductive plate; the high pitch magnetic circuit includes first magnet, high pitch diaphragm and high pitch core-fixing support, is equipped with the recess in the middle of the tip of magnetic conduction board under publicly, and first magnet sets up in the recess, and high pitch core-fixing support is connected with magnetic conduction board under publicly to be located the outside of recess, high pitch diaphragm and high pitch core-fixing support connection, and the winding has the high pitch voice coil loudspeaker voice coil on the high pitch diaphragm. The utility model relates to a coaxial three-tone-circuit loudspeaker, wherein a middle-tone magnetic circuit and a high-tone magnetic circuit are respectively arranged at one end of a public lower magnetic conductive plate, and a low-tone magnetic circuit is arranged at the other end, so that the coaxiality is realized, a two-way sound-emitting source is formed, and the high-tone magnetic circuit is arranged in a groove of the public lower magnetic conductive plate, so that a magnetic gap is not required to be shared with the middle-tone magnetic circuit, and the sound pressure of the loudspeaker is ensured.
Description Coaxial three-tone-path loudspeakerTechnical Field
The utility model relates to the technical field of loudspeakers, in particular to a coaxial three-tone-circuit loudspeaker.
Background
A speaker, also called a "horn", is a very common electroacoustic transducer, which is found in electronic and electrical devices for generating sound. The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.
The traditional coaxial loudspeaker only has high pitch and middle and low pitch, and the high pitch and the middle and low pitch share one magnetic gap, so that the magnetic gap needs to be widened, and the sound pressure of the loudspeaker can be directly influenced; in addition, the conventional speaker only has high pitch and middle and low pitch, so that the range of the speaker is incomplete, the distortion is easy, and the sound effect of the speaker is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coaxial three-sound-path loudspeaker which can ensure sound pressure effect and realize a bidirectional sound generation source.
In order to solve the above technical problems, the present invention can be implemented by adopting the following technical scheme:
a coaxial three-tone circuit loudspeaker comprises a common lower magnetic conductive plate, a high-tone magnetic circuit, a middle-tone magnetic circuit and a low-tone magnetic circuit, wherein the high-tone magnetic circuit and the middle-tone magnetic circuit are respectively arranged at one end of the common lower magnetic conductive plate, the high-tone magnetic circuit and the middle-tone magnetic circuit are coaxially arranged, and the low-tone magnetic circuit is arranged at the other end of the common lower magnetic conductive plate;
the high pitch magnetic circuit includes that first magnet, high pitch diaphragm and high pitch are decided the core support, is equipped with the recess in the middle of the tip of magnetic conductive plate under public, and first magnet setting is in the recess, and the high pitch is decided the core support and is connected with public magnetic conductive plate down to be located the outside of recess, the high pitch diaphragm is decided the core leg joint with the high pitch, and the winding has the high pitch voice coil loudspeaker voice coil on the high pitch diaphragm.
In one embodiment, the mediant magnetic circuit comprises a second magnet, a mediant upper magnetic conductive plate, a mediant support and a mediant drum paper, the second magnet is sleeved on the common lower magnetic conductive plate and is connected with the mediant upper magnetic conductive plate, the mediant support is respectively connected with the mediant upper magnetic conductive plate and the mediant drum paper, a mediant voice coil is wound on the mediant drum paper, and a mediant centering support is further arranged between the mediant support and the mediant drum paper.
In one embodiment, the bass magnetic circuit includes a third magnet, a bass upper magnetic conductive plate, a bass support, and bass drum paper, the third magnet is sleeved on the common lower magnetic conductive plate and connected with the bass upper magnetic conductive plate, the bass support is respectively connected with the bass upper magnetic conductive plate and the bass drum paper, a bass voice coil is wound on the bass drum paper, and a bass centering support is further disposed between the bass support and the bass drum paper.
In one embodiment, a dust cap is attached to the bass drum paper.
In one embodiment, the common lower magnetic conductive plate is in a cross shape.
In one embodiment, a first folding ring is arranged at the joint of the treble diaphragm and the treble stator core support.
In one embodiment, a second folding ring is arranged at the joint of the mediant drum paper and the mediant bracket.
In one embodiment, a third folding ring is arranged at the joint of the bass drum paper and the bass support.
The utility model has the beneficial effects that: the utility model relates to a coaxial three-tone-circuit loudspeaker.A middle-tone magnetic circuit and a high-tone magnetic circuit are respectively arranged at one end of a public lower magnetic conductive plate, the high-tone magnetic circuit is coaxial with the middle-tone magnetic circuit, and a low-pitch magnetic circuit is arranged at the other end of the public lower magnetic conductive plate, so that high tones, middle tones and low tones are coaxially arranged and form a bidirectional sound generating source, and the high-tone magnetic circuit is arranged in a groove of the public lower magnetic conductive plate, so that a magnetic gap is not required to be shared with the middle-tone magnetic circuit, the magnetic gap is not required to be widened, the sound pressure of the loudspeaker is ensured, the sound range of the loudspeaker is full, the loudspeaker is not easy to distort, and the sound effect of the loudspeaker is improved.
Drawings
FIG. 1 is a schematic view of a coaxial three-track speaker according to the present invention;
fig. 2 is a schematic diagram of a coaxial three-tone-path speaker according to the present invention.
As shown in the attached drawings:
100. a common lower flux plate; 110. a groove;
200. a high-pitch magnetic circuit; 210. a first magnet; 220. a high pitch diaphragm; 230. a high pitch fixed core support; 240. a high pitch voice coil; 250. a first fold ring;
300. a middle-tone magnetic circuit; 310. a second magnet; 320. a middle-tone upper magnetic conductive plate; 330. a middle support; 340. a mediant drum paper; 350. a mediant voice coil; 360. a mediant fixed core support chip; 370. a second fold ring;
400. a bass magnetic circuit; 410. a third magnet; 420. a bass upper magnetic conductive plate; 430. a bass support; 440. bass drum paper; 450. a bass voice coil; 460. a bass fixed core support chip; 470. a third folding ring; 480. a dust cap.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a coaxial three-tone loudspeaker includes a common lower magnetic conductive plate 100, a high-tone magnetic circuit 200, a middle-tone magnetic circuit 300 and a low-tone magnetic circuit 400, wherein the high-tone magnetic circuit 200 and the middle-tone magnetic circuit 300 are respectively disposed at one end of the common lower magnetic conductive plate 100, the high-tone magnetic circuit 200 and the middle-tone magnetic circuit 300 are coaxially disposed, and the low-tone magnetic circuit 400 is disposed at the other end of the common lower magnetic conductive plate 100; the treble magnetic circuit 200 includes a first magnet 210, a treble diaphragm 220, and a treble stator core support 230, a groove 110 is provided in the middle of the end of the common lower magnetic conductive plate 100, the first magnet 210 is disposed in the groove 110, the treble stator core support 230 is connected to the common lower magnetic conductive plate 100 and located outside the groove 110, the treble diaphragm 220 is connected to the treble stator core support 230, and a treble voice coil 240 is wound on the treble diaphragm 220.
Specifically, in this embodiment, in order to realize the three-tone-path coaxiality, the common lower magnetic conductive plate 100 is designed in a cross shape, the high-tone magnetic circuit 200 and the middle-tone magnetic circuit 300 are respectively disposed at one end of the common lower magnetic conductive plate 100, the high-tone magnetic circuit 200 is located in the middle of the middle-tone magnetic circuit 300, so as to be coaxial with the middle-tone magnetic circuit 300, and the low-tone magnetic circuit 400 is disposed at the other end of the common lower magnetic conductive plate 100, so as to form the three-tone-path coaxiality and form a two-way sound-emitting source, so that the range of the speaker is complete, and distortion is not easily generated, and the sound effect of the speaker is improved.
In order to ensure the sound pressure of the speaker, the middle of the end of the common lower magnetic conductive plate 100 is provided with the groove 110, the first magnet 210 of the high-pitch magnetic circuit 200 is arranged in the groove 110, and the side wall of the first magnet 210 and the inner wall of the groove 110 form a magnetic gap, so that the high-pitch magnetic circuit 200 and the medium-pitch magnetic circuit 300 do not need to use a common magnetic gap, and the magnetic gap does not need to be widened, thereby ensuring the sound pressure of the speaker; meanwhile, the magnetic energy of the middle-pitch magnetic circuit 300 and the magnetic energy of the low-pitch magnetic circuit 400 are utilized by the high-pitch magnetic circuit 200, and the radial design of the axial magnetic circuit can be realized, so that an upper magnetic conduction plate is not required to be added to the high-pitch magnetic circuit 200, and finally, the structure of the coaxial three-pitch loudspeaker is reasonable.
When the high pitch range is realized, the audio current is introduced to the high pitch voice coil 240, so that the high pitch voice coil 240 generates an alternating magnetic field under the action of the current, the first magnet 210 simultaneously generates a constant magnetic field with unchanged size and direction, the high pitch diaphragm 220 is pushed to vibrate under the action between the alternating magnetic field and the constant magnetic field, and the high pitch diaphragm 220 causes air vibration, so that the high pitch range is emitted.
Meanwhile, in order to ensure the vibration of the treble diaphragm 220, a first folding ring 250 is provided at a connection between the treble diaphragm 220 and the treble stator core 230, and the first folding ring 250 supports the vibration of the treble diaphragm 220, and plays a compliant restoring force and a damping action on the treble diaphragm 220 to ensure that it can normally induce the vibration of air, thereby generating a treble range.
Referring to fig. 2, in order to realize the middle-pitched range, the middle-pitched magnetic circuit 300 of the present embodiment includes a second magnet 310, a middle-pitched upper magnetic conductive plate 320, a middle-pitched bracket 330 and a middle-pitched drum paper 340, wherein the second magnet 310 is sleeved on the common lower magnetic conductive plate 100 and is connected to the middle-pitched upper magnetic conductive plate 320, the middle-pitched bracket 330 is respectively connected to the middle-pitched upper magnetic conductive plate 320 and the middle-pitched drum paper 340, a middle-pitched voice coil 350 is wound on the middle-pitched drum paper 340, and a middle-pitched core support 360 is further disposed between the middle-pitched bracket 330 and the middle-pitched drum paper 340.
After the voice frequency current is introduced to the mediant voice coil 350, the mediant voice coil 350 generates an alternating magnetic field under the action of the current, the second magnet 310 simultaneously generates a constant magnetic field with unchanged size and direction, and the size and the direction of the magnetic field generated by the mediant voice coil 350 are continuously changed along with the change of the voice frequency current, so that the mediant drum paper 340 is pushed to vibrate under the interaction, the mediant drum paper 340 causes the vibration of air, and finally, the sounds are emitted, so that the mediant range of the coaxial three-tone-circuit loudspeaker is realized.
Of course, in order to ensure the vibration of the mediant drum paper 340, a second fold 370 is provided at the connection between the mediant drum paper 340 and the mediant support 330, the second fold 370 is used to support the vibration of the mediant drum paper 340 and to provide a compliant restoring force and damping effect to the mediant drum paper 340, and the mediant core piece 360 is used to support the mediant drum paper 340.
Referring to fig. 2, meanwhile, in order to realize a low-pitch range, the low-pitch magnetic circuit 400 in the present embodiment includes a third magnet 410, a low-pitch upper magnetic conductive plate 420, a low- pitch bracket 430, and a low- pitch drum paper 440, in which the third magnet 410 is sleeved on the common lower magnetic conductive plate 100 and is connected to the low-pitch upper magnetic conductive plate 420, the low- pitch bracket 430 is respectively connected to the low-pitch upper magnetic conductive plate 420 and the low- pitch drum paper 440, a low- pitch voice coil 450 is wound on the low- pitch drum paper 440, and a low-pitch core supporting sheet 460 is further disposed between the low- pitch bracket 430 and the low- pitch drum paper 440.
Similarly, in the present embodiment, an audio current is applied to the bass voice coil 450, so that the bass voice coil 450 generates an alternating magnetic field under the action of the current, the third magnet 410 generates a constant magnetic field with a constant magnitude and direction, and the bass drum paper 440 is pushed to vibrate through the interaction between the first magnet and the second magnet, so as to induce the vibration of air, thereby realizing the sound production in the bass range, and in order to ensure the vibration of the bass drum paper 440, a third folded ring 480 is provided at the connection between the bass drum paper 440 and the bass support 430, and the third folded ring 480 is used for supporting the vibration of the bass drum paper 440, and plays a compliant restoring force and damping action on the bass drum paper 440, thereby ensuring that the bass drum paper 440 can normally induce the vibration of air, thereby generating the high-pitch range, and the bass centering support 460 is used for supporting the bass drum paper 440.
In addition, in order to prevent dust, foreign matter, and the like from entering the magnetic gap of the bass magnetic circuit 400, a dust cap 470 is further connected to the bass drum paper 440, and the dust and the like are effectively prevented from entering the magnetic gap of the bass magnetic circuit 400 by the dust cap 470.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. The present invention may be readily implemented by those skilled in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)1. A coaxial three-tone-circuit loudspeaker is characterized in that: the high-pitch magnetic circuit and the middle-pitch magnetic circuit are coaxially arranged, and the low-pitch magnetic circuit is arranged at the other end of the common lower magnetic conductive plate;
the high pitch magnetic circuit includes that first magnet, high pitch diaphragm and high pitch are decided the core support, is equipped with the recess in the middle of the tip of magnetic conductive plate under public, and first magnet setting is in the recess, and the high pitch is decided the core support and is connected with public magnetic conductive plate down to be located the outside of recess, the high pitch diaphragm is decided the core leg joint with the high pitch, and the winding has the high pitch voice coil loudspeaker voice coil on the high pitch diaphragm.
2. The coaxial three-tone path speaker of claim 1, wherein: the middle-tone magnetic circuit comprises a second magnet, a middle-tone upper magnetic conductive plate, a middle-tone support and middle-tone drum paper, the second magnet is sleeved on the public lower magnetic conductive plate and is connected with the middle-tone upper magnetic conductive plate, the middle-tone support is respectively connected with the middle-tone upper magnetic conductive plate and the middle-tone drum paper, a middle-tone voice coil is wound on the middle-tone drum paper, and a middle-tone core-fixing supporting piece is further arranged between the middle-tone support and the middle-tone drum paper.
3. The coaxial three-tone path speaker of claim 1, wherein: the bass magnetic circuit comprises a third magnet, a bass upper magnetic conductive plate, a bass support and bass drum paper, the third magnet is sleeved on the public lower magnetic conductive plate and is connected with the bass upper magnetic conductive plate, the bass support is respectively connected with the bass upper magnetic conductive plate and the bass drum paper, a bass voice coil is wound on the bass drum paper, and a bass fixed core supporting sheet is further arranged between the bass support and the bass drum paper.
4. The coaxial three-tone loudspeaker of claim 3, wherein: the bass drum paper is connected with a dustproof cap.
5. The coaxial three-tone path speaker of claim 1, wherein: the public lower magnetic conduction plate is in a cross shape.
6. The coaxial three-tone path speaker of claim 1, wherein: the junction of high pitch diaphragm and high pitch core-fixing support is equipped with first book ring.
7. The coaxial three-tone loudspeaker of claim 2, wherein: and a second folding ring is arranged at the joint of the mediant drum paper and the mediant bracket.
8. The coaxial three-tone loudspeaker of claim 3, wherein: and a third folding ring is arranged at the joint of the bass drum paper and the bass support.
CN202123322524.7U 2021-12-28 2021-12-28 Coaxial three-tone-path loudspeaker Active CN216451533U (en) Priority Applications (1) Application Number Priority Date Filing Date Title CN202123322524.7U CN216451533U (en) 2021-12-28 2021-12-28 Coaxial three-tone-path loudspeaker Applications Claiming Priority (1) Application Number Priority Date Filing Date Title CN202123322524.7U CN216451533U (en) 2021-12-28 2021-12-28 Coaxial three-tone-path loudspeaker Publications (1) Family ID=81378202 Family Applications (1) Application Number Title Priority Date Filing Date CN202123322524.7U Active CN216451533U (en) 2021-12-28 2021-12-28 Coaxial three-tone-path loudspeaker Country Status (1)RetroSearch is an open source project built by @garambo | Open a GitHub Issue
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