CN222395818U - Coaxial loudspeaker with high and low sound combination - Google Patents
Coaxial loudspeaker with high and low sound combination Download PDFInfo
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- CN222395818U CN222395818U CN202420904152.3U CN202420904152U CN222395818U CN 222395818 U CN222395818 U CN 222395818U CN 202420904152 U CN202420904152 U CN 202420904152U CN 222395818 U CN222395818 U CN 222395818U
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- bass
- treble
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- conductive plate
- magnet
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 11
- 229910052779 Neodymium Inorganic materials 0.000 claims description 8
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000004907 flux Effects 0.000 abstract description 11
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
本实用新型属于扬声器领域，尤其是一种高低音结合的同轴扬声器，针对现有的高音磁路中磁通密度仍然偏低，存在高音单元灵敏度难以提高的缺点问题，现提出如下方案，其包括高音部和低音部，所述高音部包括高音磁铁、T型的高音下导磁板、高音短路铜环、高音上导磁板，所述高音下导磁板的中心柱子上面套装高音短路铜环，高音下导磁板的上表面中心放置高音磁铁并用胶水固定，高音上导磁板放置在高音磁铁的表面中心并用胶水固定，本实用新型中，有效提升了各自磁路的能量，增加了高音磁路间隙与低音磁路间隙的磁通密度，由于磁路间隙的磁通密度正比于扬声器的效率，因此可有效提升扬声器的灵敏度。
The utility model belongs to the field of loudspeakers, in particular to a coaxial loudspeaker combining treble and bass. Aiming at the problem that the magnetic flux density in the existing treble magnetic circuit is still relatively low and the sensitivity of the tweeter unit is difficult to improve, the following scheme is proposed, which includes a treble part and a bass part, the treble part includes a treble magnet, a T-shaped treble lower magnetic conductive plate, a treble short-circuit copper ring, and a treble upper magnetic conductive plate. The treble short-circuit copper ring is mounted on the central column of the treble lower magnetic conductive plate, the treble magnet is placed at the center of the upper surface of the treble lower magnetic conductive plate and fixed with glue, and the treble upper magnetic conductive plate is placed at the surface center of the treble magnet and fixed with glue. In the utility model, the energy of each magnetic circuit is effectively improved, and the magnetic flux density of the treble magnetic circuit gap and the woofer magnetic circuit gap is increased. Since the magnetic flux density of the magnetic circuit gap is proportional to the efficiency of the loudspeaker, the sensitivity of the loudspeaker can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of speakers, in particular to a coaxial speaker with high and low sound combination.
Background
The traditional coaxial loudspeaker is formed by a bass magnetic circuit and a treble inner magnetic circuit which form respective magnetic circuits, wherein the treble magnetic circuit is positioned at the center of a bass coil, and the treble coil and the bass coil are respectively suspended in respective magnetic gaps and connected with respective vibrating diaphragms and auxiliary devices. Because the outer diameter of the high-pitch inner magnetic magnet is limited by the diameter of the high-pitch coil, although a high-performance NdFeB magnet is adopted, the magnetic flux density in a high-pitch magnetic circuit is still low, and the defect that the sensitivity of a high-pitch unit is difficult to improve exists.
Disclosure of utility model
The utility model aims to solve the defects that the magnetic flux density in a high-pitch magnetic circuit is still low and the sensitivity of a high-pitch unit is difficult to improve in the prior art, and provides a high-low-pitch combined coaxial loudspeaker.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The high-low sound combined coaxial loudspeaker comprises a high-sound part and a low-sound part, wherein the high-sound part comprises a high-sound magnet, a T-shaped high-sound lower magnetic conduction plate, a high-sound short circuit copper ring and a high-sound upper magnetic conduction plate;
the bass part comprises a bass magnet, a bass upper magnetic conduction plate, a bass U-shaped magnetic conduction ring and a bass short circuit copper ring, wherein the bass short circuit copper ring is sleeved on the outer edges of the bass magnet and the bass upper magnetic conduction plate, the bass magnet is adhered to the inner center of the bass U-shaped magnetic conduction ring, and the bass upper magnetic conduction plate is adhered to the center of the bass magnet;
Stainless steel screws are arranged between the high-pitch lower magnetic conduction plate and the low-pitch U-shaped magnetic conduction ring, and the high-pitch lower magnetic conduction plate and the low-pitch U-shaped magnetic conduction ring are fixed through the stainless steel screws;
the high-pitch lower magnetic conduction plate is tightly connected with the high-pitch magnet and the high-pitch upper magnetic conduction plate through stainless steel screws, and forms a low-pitch magnetic circuit assembly and a high-pitch magnetic circuit assembly together with the low-pitch magnet and the low-pitch U-shaped magnetic conduction ring;
The high-performance neodymium magnetic outer magnetic circuit structure is adopted by the high-pitch magnetic circuit assembly, the high-performance neodymium magnetic inner magnetic circuit structure is adopted by the low-pitch magnetic circuit assembly, and the polarities of the magnets of the two magnetic circuits are opposite.
As a still further scheme of the utility model, the bass part further comprises a first vibrating component of bass formed by a bass vibrating diaphragm, a bass basin frame, a bass positioning piece and a bass coil, wherein the bass basin frame is fixed on the circumference of a bass U-shaped magnetic conduction ring, the circumference of the bass basin frame is provided with a bass wiring piece and a treble wiring piece, the bass coil is suspended at the center of a magnetic circuit gap formed by a bass upper magnetic conduction plate, a treble lower magnetic conduction plate and the bass U-shaped magnetic conduction ring, the bass coil is adhered to the centers of the bass vibrating diaphragm and the bass positioning piece at a position close to the top end, the outer edges of the bass vibrating diaphragm and the bass positioning piece are respectively adhered to the bass basin frame, and the bass coil is connected to the bass wiring piece through a bass lead.
As a still further scheme of the utility model, the high-pitch part also comprises a high-pitch second vibration component consisting of a high-pitch coil, a high-pitch vibrating diaphragm, a high-pitch support and a high-pitch coil connecting wire, wherein the high-pitch coil is suspended at the center of a magnetic circuit gap formed by a high-pitch lower magnetic conduction plate and a high-pitch upper magnetic conduction plate, the top end of the high-pitch coil is connected with the high-pitch vibrating diaphragm through glue, the outer plane of the high-pitch vibrating diaphragm is adhered with the center of the surface of the high-pitch support, and the high-pitch coil is connected to a high-pitch wiring lug through the high-pitch coil connecting wire and a high-pitch lead wire.
As a still further scheme of the utility model, the back of the high-pitch lower magnetic conductive plate is provided with a groove for leading out a high-pitch leading-out wire.
As a still further proposal of the utility model, the back space of the high-pitch vibration film is filled with high-pitch sound absorbing cotton, and the outer edge of the high-pitch vibration film is provided with high-pitch horns, and the high-pitch horns and the low-pitch vibration film form high-pitch big horns together.
As a still further scheme of the utility model, the stainless steel screw circumference is provided with a screw gasket.
In the application, the high-performance neodymium magnetic outer magnetic circuit structure is adopted in the high-performance neodymium magnetic inner magnetic circuit structure is adopted in the high-pitch magnetic circuit, the polarities of the magnets of the two magnetic circuits are opposite, the high-pitch lower magnetic conduction plate is positioned at the center of the surface of the low-pitch upper magnetic conduction plate and is locked together through the stainless steel screws, the high-pitch lower magnetic conduction plate and the low-pitch upper magnetic conduction plate jointly form the high-pitch magnetic circuit and the high-pitch magnetic circuit lower magnetic conduction plate, therefore, the high-pitch magnet and the low-pitch magnet are equivalent to being connected in parallel, part of magnetic force lines of the low-pitch magnet pass through the high-pitch magnetic circuit gap, part of magnetic force lines of the high-pitch magnet pass through the low-pitch magnetic circuit gap, and the magnetic flux density of the high-pitch magnetic circuit gap and the low-pitch magnetic circuit gap is increased.
The beneficial effects are that:
According to the coaxial loudspeaker with the combination of high and low tones, through the cooperation of the high-tone magnet and the low-tone magnet, the high-tone magnet and the low-tone magnet are equivalent to be connected in parallel, partial magnetic lines of force of the low-tone magnet pass through a gap of a high-tone magnetic circuit, partial magnetic lines of force of the high-tone magnet pass through a gap of a low-tone magnetic circuit, so that the energy of each magnetic circuit is effectively improved, meanwhile, the magnetic flux densities of the gap of the high-tone magnetic circuit and the gap of the low-tone magnetic circuit are increased, and the magnetic flux density of the magnetic circuit gap is proportional to the efficiency of the loudspeaker, so that the structure can effectively improve the sensitivity of the loudspeaker;
According to the coaxial loudspeaker with high and low sound combination, the high-sound horn and the low-sound vibrating membrane form a high-sound large horn together by arranging the high-sound horn on the outer edge of the high-sound vibrating membrane, so that the sensitivity of high sound is improved;
In the coaxial loudspeaker with the combination of high and low tones, the high-tone magnet corresponds to the auxiliary magnet of the low-tone magnetic circuit assembly, so that the magnetic flux leakage of the low-tone magnetic circuit assembly is reduced, and meanwhile, the low-tone magnet corresponds to the auxiliary magnet of the high-tone magnetic circuit assembly, so that the magnetic flux leakage of the high-tone magnetic circuit assembly is reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of a coaxial speaker with high and low frequency combination according to the present utility model;
fig. 2 is an enlarged schematic diagram of a point a in fig. 1 of a coaxial speaker with high-low sound combination according to the present utility model;
Fig. 3 is a schematic diagram of a magnetic force line distribution diagram of a coaxial speaker with high-low sound combination according to the present utility model.
In the figure, 1, a high-pitch part, 2, a low-pitch part, 11, a high-pitch upper magnetic conduction plate, 12, a high-pitch magnet, 13, a high-pitch lower magnetic conduction plate, 14, a high-pitch short-circuit copper ring, 15, a high-pitch coil, 16, a high-pitch vibration film, 17, a high-pitch bracket, 18, a high-pitch horn, 19, high-pitch sound absorbing cotton, 21, a low-pitch vibration film, 22, a low-pitch basin frame, 23, a low-pitch positioning piece, 24, a low-pitch coil, 25, a low-pitch short-circuit copper ring, 26, a low-pitch magnet, 27, a low-pitch upper magnetic conduction plate, 28, a low-pitch U-shaped magnetic conduction ring, 31, a low-pitch lead wire, 32, a low-pitch wiring piece, 33, a high-pitch lead wire, 34, a high-pitch wiring piece, 41, a stainless steel screw and 42, and a screw gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1-3, a high-low sound combined coaxial loudspeaker comprises a high-sound part 1 and a low-sound part 2, wherein the high-sound part 1 comprises a high-sound magnet 12, a T-shaped high-sound lower magnetic conduction plate 13, a high-sound short-circuit copper ring 14 and a high-sound upper magnetic conduction plate 11, the high-sound short-circuit copper ring 14 is sleeved on a central column of the high-sound lower magnetic conduction plate 13, the high-sound short-circuit copper ring 14 can effectively reduce the eddy current loss of a magnetic circuit and play a role of reducing high-sound distortion, the high-sound magnet 12 is arranged at the center of the upper surface of the high-sound lower magnetic conduction plate 13 and fixed by glue, and the high-sound upper magnetic conduction plate 11 is arranged at the center of the surface of the high-sound magnet 12 and fixed by glue;
The bass part 2 comprises a bass magnet 26, a bass upper magnetic conduction plate 27, a bass U-shaped magnetic conduction ring 28 and a bass short circuit copper ring 25, wherein the bass short circuit copper ring 25 is sleeved on the outer edges of the bass magnet 26 and the bass upper magnetic conduction plate 27, the bass magnet 26 is adhered to the inner center of the bass U-shaped magnetic conduction ring 28, the bass short circuit copper ring 25 can effectively reduce eddy current loss of a magnetic circuit and play a role in reducing bass distortion, and the bass upper magnetic conduction plate 27 is adhered to the center of the bass magnet 26;
stainless steel screws 41 are arranged between the high-pitch lower magnetic conduction plate 13 and the low-pitch U-shaped magnetic conduction ring 28, and the high-pitch lower magnetic conduction plate 13 and the low-pitch U-shaped magnetic conduction ring 28 are fixed through the stainless steel screws 41;
The high-pitch lower magnetic conduction plate 13 is connected with the high-pitch magnet 12 and the high-pitch upper magnetic conduction plate 11 through stainless steel screws 41 and is tightly connected with the low-pitch upper magnetic conduction plate 27, and the high-pitch lower magnetic conduction plate and the low-pitch magnetic conduction plate 26 and the low-pitch U-shaped magnetic conduction plate 28 form a low-pitch magnetic circuit assembly and a high-pitch magnetic circuit assembly together, a large number of magnetic lines of force of the high-pitch magnet 12 pass through a low-pitch magnetic circuit gap and then return to the high-pitch magnetic circuit, and a large number of magnetic lines of force of the low-pitch magnet 26 also pass through the high-pitch magnetic circuit gap and then return to the low-pitch magnetic circuit, so that the two magnetic circuits are connected in parallel, the magnetic fluxes of the respective magnetic circuit gaps are increased, and particularly the magnetic field strength of the high-pitch magnetic circuit gap is effectively improved;
The high-performance neodymium magnetic outer magnetic circuit structure is adopted by the high-pitch magnetic circuit assembly, the high-performance neodymium magnetic inner magnetic circuit structure is adopted by the low-pitch magnetic circuit assembly, and the polarities of the magnets of the two magnetic circuits are opposite.
Referring to fig. 1 and 2, the bass portion 2 further includes a first vibration assembly of bass composed of a bass diaphragm 21, a bass frame 22, a bass positioning piece 23, and a bass coil 24, the bass frame 22 is fixed on the circumference of the bass U-shaped magnetic conductive ring 28, a bass connection tab 32 and a treble connection tab 34 are mounted on the circumference of the bass frame 22, the bass coil 24 is suspended at the center of a magnetic path gap composed of the bass upper magnetic conductive plate 27, the treble lower magnetic conductive plate 13, and the bass U-shaped magnetic conductive ring 28, the bass coil 24 is bonded at the centers of the bass diaphragm 21 and the bass positioning piece 23 near the top, the outer edges of the bass diaphragm 21 and the bass positioning piece 23 are bonded to the bass frame 22, respectively, the bass coil 24 is connected to the bass connection tab 32 through a bass lead 31, the bass frame 22 and the bass positioning piece 23 constitute a bass support assembly, which ensures that the bass coil 24 is suspended at the center of the magnetic path gap.
Referring to fig. 1 and 2, the high-pitched part 1 further includes a second vibration assembly composed of a high-pitched coil 15, a high-pitched vibration film 16, a high-pitched support 17, and a high-pitched coil connecting wire 35, the high-pitched coil 15 is suspended in the center of a magnetic path gap composed of the high-pitched lower magnetic conductive plate 13 and the high-pitched upper magnetic conductive plate 11, the top end of the high-pitched coil 15 is connected with the high-pitched vibration film 16 by glue, the outer plane of the high-pitched vibration film 16 is adhered to the center of the surface of the high-pitched support 17, and the high-pitched coil 15 is connected to the high-pitched wire tab 34 by the high-pitched coil connecting wire 35 and the high-pitched lead wire 33.
Example 2
Referring to fig. 1 to 3, a high-low sound combined coaxial speaker is improved on the basis of embodiment 1,
Referring to fig. 1, a groove is provided on the back of the lower high-pitched magnetic conductive plate 13 to lead out the high-pitched lead-out wire 33, and the high-pitched lead-out wire 33 is prevented from being pressed by the groove.
Referring to fig. 1, a high-pitched sound absorbing cotton 19 is filled in the back space of the high-pitched diaphragm 16, and a high-pitched horn 18 is added to the outer edge of the high-pitched diaphragm 16, and the high-pitched horn 18 and the low-pitched diaphragm 21 form a high-pitched horn together, thereby increasing the sensitivity of high-pitched sound.
Referring to fig. 1, a stainless steel screw 41 is circumferentially provided with a screw washer 42, and stability of the stainless steel screw 41 is increased by the screw washer 42.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420904152.3U CN222395818U (en) | 2024-04-28 | 2024-04-28 | Coaxial loudspeaker with high and low sound combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420904152.3U CN222395818U (en) | 2024-04-28 | 2024-04-28 | Coaxial loudspeaker with high and low sound combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222395818U true CN222395818U (en) | 2025-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420904152.3U Active CN222395818U (en) | 2024-04-28 | 2024-04-28 | Coaxial loudspeaker with high and low sound combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222395818U (en) |
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- 2024-04-28 CN CN202420904152.3U patent/CN222395818U/en active Active
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