CN209731560U - The vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm - Google Patents

The vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm Download PDF

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Publication number
CN209731560U
CN209731560U CN201920667840.1U CN201920667840U CN209731560U CN 209731560 U CN209731560 U CN 209731560U CN 201920667840 U CN201920667840 U CN 201920667840U CN 209731560 U CN209731560 U CN 209731560U
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China
Prior art keywords
hole
diaphragm
elastic slice
circuit assemblies
sound quality
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CN201920667840.1U
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Chinese (zh)
Inventor
沈庆凯
丁慧
黄建辉
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Guangdong Chaoyang Electronic Polytron Technologies Inc
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Guangdong Chaoyang Electronic Polytron Technologies Inc
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Abstract

The utility model discloses a kind of vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm, including ontology, primary diaphragm, the first voice coil, secondary diaphragm, the second voice coil, the first magnetism circuit assemblies, the second magnetism circuit assemblies and elastic slice;Ontology has baseplate part and ring part, baseplate part sets first through hole, the whole structure annular in shape of first magnetism circuit assemblies, the annular groove in the first magnetism circuit assemblies counterpart substrate portion is installed, elastic slice corresponds to first through hole installing, and the second magnetism circuit assemblies are installed on elastic slice, and secondary diaphragm is set to the rear end of baseplate part, back cavity is formed between secondary diaphragm and elastic slice, the second magnetism circuit assemblies are located in back cavity;Hi-Mid room and bass room are separated to form inside it, so that loudspeaker while output low frequency and medium-high frequency sound effect, so that sound more has a sense of hierarchy, especially, by the way that the second magnetism circuit assemblies are installed in elastic slice, so that the second magnetism circuit reaches low-frequency vibration effect with music movement, the amount sense of the low frequency of loudspeaker is enriched.

Description

The vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm
Technical field
The utility model relates to horn art technology, the vibration for referring in particular to a kind of sound quality modified form double magnetic circuit double diaphragm is dynamic Enclose compound horn.
Background technique
As shown in Figure 1, the vibration moving-coil compound horn of existing list magnetic circuit single-iris generally comprise shell 81, magnet 82, Washer 83, diaphragm 84, voice coil 85 and protecting cover 86, the magnet 82, washer 83 and diaphragm 84 are assembled on shell 81, the sound Circle 85 is connect with diaphragm 84, and protecting cover 86 covers at the outside of shell and diaphragm 84 between protecting cover 86 and shell 81.This list When in use, difference well distinguishes low frequency, the high frequency in music the vibration moving-coil compound horn of magnetic circuit single-iris, shadow The sound quality of loudspeaker output sound is rung.
In addition, existing loudspeaker do not have vibrating effect generally, cause sound dynamic poor;With the development of technology, market On earphone horn some there was only vibrating loudspeakers, the only double diaphragm horns of some, the audio that can be presented is single, is not able to satisfy Public demand.
Therefore, it is necessary to develop the new technical solution of one kind to solve the above problems.
Utility model content
In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of sound quality and changes The vibration moving-coil compound horn of good figure double magnetic circuit double diaphragm, inside be separated to form Hi-Mid room and bass room so that loudspeaker are same When output low frequency and medium-high frequency sound effect so that sound more has a sense of hierarchy, especially, by filling the second magnetism circuit assemblies Set on elastic slice, so that the second magnetism circuit reaches low-frequency vibration effect with music movement, the amount sense of the low frequency of loudspeaker is enriched.
To achieve the above object, the utility model is using following technical solution:
A kind of vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm, includes ontology, primary diaphragm, first Voice coil, secondary diaphragm, the second voice coil, the first magnetism circuit assemblies, the second magnetism circuit assemblies and elastic slice;
The ontology has the baseplate part and ring part being connected to each other, and the baseplate part and ring part are enclosed ante-chamber, The first through hole along front and back through substrate portion two sides and ante-chamber, the front side surface pair of the baseplate part are offered on the baseplate part One is answered around first through hole to be recessed with annular groove backward, the whole structure annular in shape of the first magnetism circuit assemblies is described First magnetism circuit assemblies correspond to annular groove installing, the primary diaphragm is connected to the first voice coil and the first voice coil be suspended from after before It is intracavitary;
The elastic slice corresponds to first through hole installing, and the second magnetism circuit assemblies are installed on elastic slice, second film Piece is set to the rear end of baseplate part, and back cavity is formed between the secondary diaphragm and elastic slice, and the second magnetism circuit assemblies are located at In back cavity, second voice coil is set on the medial surface of secondary diaphragm, and second voice coil is suspended from back cavity.
As a preferred embodiment, the first frame, first frame and baseplate part are also installed at the first through hole The front of the second magnetism circuit assemblies is connected and be located at, is surrounded by between first frame and the front end face of elastic slice positioned at second Resigning chamber in front of magnetism circuit assemblies is provided with the second through-hole of perforation resigning chamber and ante-chamber in first frame.
As a preferred embodiment, second through hole is opened wide completely, alternatively, being covered with the first tune in the second through hole Sound net.
As a preferred embodiment, the periphery of the ring part is connected with frequency divider, and the frequency divider is located at primary diaphragm Front, the frequency divider has the third through-hole of front and back perforation, and the third through-hole is connected to ante-chamber.
As a preferred embodiment, the periphery of the ring part is connected with the first protecting cover, and first protecting cover is located at first The front of diaphragm, the frequency divider are set on the front end face of the first protecting cover, and it is logical that perforation third is provided on first protecting cover The fourth hole in hole and ante-chamber.
As a preferred embodiment, it is opened wide completely at the fourth hole, alternatively, being covered with the second tune at fourth hole Sound net.
As a preferred embodiment, the periphery of the primary diaphragm is pressed against the front end of ring part, institute by the first copper ring The periphery for stating secondary diaphragm is pressed against the rear end of baseplate part by the second copper ring.
As a preferred embodiment, the rear end of the baseplate part is connected with the second protecting cover, and second protecting cover is located at second The rear of diaphragm is provided with the fifth hole that front and back penetrates through on second protecting cover.
As a preferred embodiment, the second magnetism circuit assemblies include the second frame, the second magnet and the second washer, Second frame is installed on elastic slice, and second frame has the installation cavity of open rearward end, second magnet and second Washer is installed in installation cavity, second frame, the second magnet and the second washer all have along center successively face perforation Air hole.
As a preferred embodiment, the ontology includes shell and the bracket for being set to outer casing back, the shell tool There are aforesaid base plate portion and ring part, the rear end of the baseplate part is convexly equipped with the first barrel down;
The bracket is in hollow structure, and the front side inner peripheral of the bracket has integrally extended to form forward the second barrel, The front-end surface of the bracket is formed with the first installation position, the bracket and cage connection in the periphery of the second barrel, described First barrel adapts on the first installation position, maintains between the front end face of second barrel and the rear end face of baseplate part Gap, the periphery of both the elastic slice, first frame correspond to gap installing;
The rear side inner peripheral of the bracket has integrally extended to form third barrel backward, the rear end surface of the bracket in The periphery of third barrel is formed with the second installation position, the bracket and cage connection, and the secondary diaphragm adapts to the second peace It fills on position.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Scheme is it is found that it mainly passes through the double diaphragms of double magnetism circuit assemblies collocation and the group of double voice coil merges double diaphragms towards difference Side, so that trumpet is separated to form Hi-Mid room and bass room, so that loudspeaker while output low frequency and medium-high frequency sound effect, So that sound more has a sense of hierarchy, especially, by the way that the second magnetism circuit assemblies are installed in elastic slice so that the second magnetism circuit with Music movement to reach low-frequency vibration effect, enrich loudspeaker low frequency amount sense;
Followed by, by the design of frequency divider, further such that tone color stereovision is clearly demarcated, enhance acoustical quality;
It furthermore is to pass through the setting of the second through-hole and fourth hole, on the one hand, can prevent dust and other impurities from entering magnetic circuit It is interior, form symmetrical air-flow when on the other hand can change horn vibration, improve sensitivity, can further improve subsequent earphone at The pronunciation quality of product;Wherein, can be according to actual design demand at the second through-hole and fourth hole, and whether flexible choice covers accordingly Tuning net, and, select the tuning net of unlike material and performance parameter.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram of the prior art;
Fig. 2 is the sectional view of the preferred embodiment of the utility model;
Fig. 3 is the exploded view of the preferred embodiment of the utility model.
Description of drawing identification:
10, ontology 101, baseplate part
102, ring part 103, ante-chamber
104, first through hole 105, annular groove
11, shell 12, bracket
121, the second barrel 122, the first installation position
123, third barrel 13, the first barrel
20, primary diaphragm 21, the first voice coil
22, the first copper ring
30, secondary diaphragm 31, the second voice coil
32, the second copper ring
41, the first washer 42, the first magnet
51, the second frame 511, installation cavity
512, stage portion 52, the second magnet
53, the second washer 54, air hole
60, elastic slice 61, back cavity
62, resigning chamber 63, fixed ring
71, the second protecting cover 711, fifth hole
72, the first frame
721, the second through-hole 722, the first tuning net
73, frequency divider 731, third through-hole
74, the first protecting cover 741, fourth hole
742, the second tuning net
81, shell 82, magnet
83, washer 84, diaphragm
85, voice coil 86, protecting cover.
Specific embodiment
As shown in Figures 2 and 3, a kind of vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm includes this Body 10, primary diaphragm 20, the first voice coil 21, secondary diaphragm 30, the second voice coil 31, the first magnetism circuit assemblies, the second magnetism return Road component and elastic slice 60, in which:
The ontology 10 has the baseplate part 101 and ring part 102 being connected to each other, the baseplate part 101 and ring part 102 It is enclosed ante-chamber 103, offers on the baseplate part 101 and leads to along the first of 101 two sides of front and back through substrate portion and ante-chamber 103 Hole 104, the front side surface of the baseplate part 101 correspond to 104 surrounding of first through hole and are integrally recessed with annular groove 105, institute backward The first magnetism circuit assemblies integrally structure annular in shape is stated, the first magnetism circuit assemblies correspond to the installing of annular groove 105, described Primary diaphragm 20 is connected to the first voice coil 21 and the first voice coil 21 is suspended from rear ante-chamber 103, in the present embodiment, described first Magnetism circuit assemblies include that the first washer 41 and the first magnet 42 set is successively folded in front and back;
The corresponding first through hole 104 of the elastic slice 60 is installed, it is preferable that and elastic slice 60 can be alloy elastic slice, it is of course also possible to For the elastic slice of other materials, do not limit herein.The second magnetism circuit assemblies are installed on elastic slice 60, the secondary diaphragm 30 It is set to the rear end of baseplate part 101, forms back cavity 61, the second magnetism loop sets between the secondary diaphragm 30 and elastic slice 60 Part is located in back cavity 61, and second voice coil 31 is set on the medial surface of secondary diaphragm 30, after second voice coil 31 is suspended from In chamber 61.In the present embodiment, the rear end of the baseplate part 101 is connected with the second protecting cover 71, and second protecting cover 71 is located at the The rear of two diaphragms 30 is provided with the fifth hole 711 that front and back penetrates through on second protecting cover 71.
In the present embodiment, the first frame 72, first frame 72 and substrate are also installed at the first through hole 104 Portion 101 connects and is located at the front of the second magnetism circuit assemblies, surrounds between first frame 72 and the front end face of elastic slice 60 There is the resigning chamber 62 being located in front of the second magnetism circuit assemblies, perforation resigning chamber 721 is provided in first frame 72 with before Second through-hole 721 of chamber 103.In the present embodiment, it is opened wide completely at second through-hole 721, alternatively, in the second through-hole 721 Place is covered with the first tuning net 722, it is preferable that the first tuning net 722 is damping piece.
The periphery of the ring part 102 is connected with frequency divider 73, and the frequency divider 73 is located at the front of primary diaphragm 20, institute The third through-hole 731 that frequency divider 73 has front and back perforation is stated, the third through-hole 731 is connected to ante-chamber 103.In the present embodiment, The periphery of the ring part 102 is connected with the first protecting cover 74, and first protecting cover 74 is located at the front of primary diaphragm 20, and described point Frequency device 73 is set on the front end face of the first protecting cover 74, and perforation third through-hole 731 and ante-chamber are provided on first protecting cover 74 103 fourth hole 741.In the present embodiment, it is opened wide completely at the fourth hole 741, alternatively, at fourth hole 741 It is covered with the second tuning net 742, it is preferable that the second tuning net 742 is also damping piece.In the present embodiment, by adjusting first Density, thickness and material of tuning net 722 and the second tuning net 742 etc. form symmetrical gas when changing horn vibration Stream improves sensitivity, is also possible to prevent dust and other impurities and enters magnetic circuit.
In the present embodiment, the periphery of the primary diaphragm 20 is pressed against the front end of ring part 102 by the first copper ring 22, The periphery of the secondary diaphragm 30 is pressed against the rear end of baseplate part 101 by the second copper ring 32.Preferably, the week of primary diaphragm 20 Edge is located between the periphery of the first protecting cover 74 and the first copper ring 22, and the periphery of secondary diaphragm 30 is located in the week of the second protecting cover 71 Between edge and the second copper ring 32.
The second magnetism circuit assemblies include the second frame 51, the second magnet 52 and the second washer 53, second basin Frame 51 is installed on elastic slice 60, it is preferable that elastic slice 60 is connect by fixed ring 63 with the second frame 51.Second frame 51 has There is the installation cavity 511 of open rearward end, fold before and after second magnet 52 and the second washer 53 and be installed in installation cavity 511 after setting, Second voice coil 31 is jointly around the periphery of 53 the two of the second magnet 52 and the second washer.Second frame 51, second Magnet 52 and the second washer 53 all have along the center air hole 54 that successively face penetrates through, it is preferable that the air hole 54 is distinguished It is connected to ante-chamber 103 and back cavity 61.
Preferably, second frame 51 is inserted into forward in the elastic slice mounting hole of elastic slice 60 after and the second frame 51 is stretched Enter to step down in chamber 721, the front end face of second frame 51 is formed with stage portion 512, and the stage portion 512 is butted on elastic slice 60 Rear end.
In the present embodiment, the ontology 10 includes shell 11 and the bracket 12 for being set to 11 rear end of shell, described outer Shell 11 has aforesaid base plate portion 101 and ring part 102, and the rear end of the baseplate part 101 is convexly equipped with the first barrel 13 down;
The bracket 12 is in hollow structure, and the front side inner peripheral of the bracket 12 has integrally extended to form forward the second cylinder The front-end surface in portion 121, the bracket 12 is formed with the first installation position 122, the bracket 12 in the periphery of the second barrel 121 It is connect with shell 11, first barrel 13 adapts on the first installation position 122, the front end face of second barrel 121 Gap is maintained between the rear end face of baseplate part 101, the periphery of both the elastic slice 60, first frame 72 corresponds to gap dress If;
The rear side inner peripheral of the bracket 12 has integrally extended to form third barrel 123 backward, after the bracket 12 End surfaces are formed with the second installation position in the periphery of third barrel 123, and the bracket 12 is connect with shell 11, second film Piece 30 adapts on the second installation position.
Working principle under following general description: after connecting signal, frequency divider 73 distributes signal, a portion by circuit Signal is tangent by the magnetic line of force of the first voice coil 21 and the first magnet 42, so that primary diaphragm 20 be driven to move up and down and sounding; Another part signal is tangent by the magnetic line of force of the second voice coil 31 and the second magnet 52, so that secondary diaphragm 30 be driven to move up and down And sounding is vibrated since the second magnetism circuit assemblies are fixed on elastic slice 60 as diaphragm moves up and down together.
The design focal point of the utility model is: it mainly passes through the double diaphragms of double magnetism circuit assemblies collocation and double voice coil Group merge double diaphragms towards not ipsilateral, so that trumpet is separated to form Hi-Mid room and bass room, so that loudspeaker are defeated simultaneously Low frequency and medium-high frequency sound effect out, so that sound more has a sense of hierarchy, especially, by being installed in the second magnetism circuit assemblies Elastic slice enriches the amount sense of the low frequency of loudspeaker so that the second magnetism circuit reaches low-frequency vibration effect with music movement;
Followed by, by the design of frequency divider, further such that tone color stereovision is clearly demarcated, enhance acoustical quality;
It furthermore is to pass through the setting of the second through-hole and fourth hole, on the one hand, can prevent dust and other impurities from entering magnetic circuit It is interior, form symmetrical air-flow when on the other hand can change horn vibration, improve sensitivity, can further improve subsequent earphone at The pronunciation quality of product;Wherein, can be according to actual design demand at the second through-hole and fourth hole, and whether flexible choice covers accordingly Tuning net, and, select the tuning net of unlike material and performance parameter.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change Change and modify, is still within the scope of the technical solutions of the present invention.

Claims (10)

1. a kind of vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm, it is characterised in that: include ontology, first Diaphragm, the first voice coil, secondary diaphragm, the second voice coil, the first magnetism circuit assemblies, the second magnetism circuit assemblies and elastic slice;
The ontology has the baseplate part and ring part being connected to each other, and the baseplate part and ring part are enclosed ante-chamber, described Offer the first through hole along front and back through substrate portion two sides and ante-chamber on baseplate part, the front side surface of the baseplate part corresponding the One is recessed with annular groove backward around one through-hole, the whole structure annular in shape of the first magnetism circuit assemblies, and described first Magnetism circuit assemblies correspond to annular groove installing, and the primary diaphragm is connected to the first voice coil and the first voice coil is suspended from rear ante-chamber It is interior;
The elastic slice corresponds to first through hole installing, and the second magnetism circuit assemblies are installed on elastic slice, and the secondary diaphragm is set It is placed in the rear end of baseplate part, forms back cavity between the secondary diaphragm and elastic slice, the second magnetism circuit assemblies are located at back cavity Interior, second voice coil is set on the medial surface of secondary diaphragm, and second voice coil is suspended from back cavity.
2. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 1, it is characterised in that: The first frame is also installed at the first through hole, first frame connect with baseplate part and is located at the second magnetism circuit assemblies Front, the resigning chamber being surrounded by between first frame and the front end face of elastic slice in front of the second magnetism circuit assemblies, The second through-hole of perforation resigning chamber and ante-chamber is provided in first frame.
3. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 2, it is characterised in that: Second through hole is opened wide completely, alternatively, being covered with the first tuning net in the second through hole.
4. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 1, it is characterised in that: The periphery of the ring part is connected with frequency divider, and the frequency divider is located at the front of primary diaphragm, and the frequency divider has front and back The third through-hole of perforation, the third through-hole are connected to ante-chamber.
5. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 4, it is characterised in that: The periphery of the ring part is connected with the first protecting cover, and first protecting cover is located at the front of primary diaphragm, the frequency divider setting In the fourth hole on the front end face of the first protecting cover, being provided with perforation third through-hole and ante-chamber on first protecting cover.
6. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 5, it is characterised in that: It is opened wide completely at the fourth hole, alternatively, being covered with the second tuning net at fourth hole.
7. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 1, it is characterised in that: The periphery of the primary diaphragm is pressed against the front end of ring part by the first copper ring, and the periphery of the secondary diaphragm passes through the second bronze medal Ring is pressed against the rear end of baseplate part.
8. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 1, it is characterised in that: The rear end of the baseplate part is connected with the second protecting cover, and second protecting cover is located at the rear of secondary diaphragm, on second protecting cover It is provided with the fifth hole that front and back penetrates through.
9. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 1, it is characterised in that: The second magnetism circuit assemblies include the second frame, the second magnet and the second washer, and second frame is installed on elastic slice, Second frame has the installation cavity of open rearward end, and second magnet and the second washer be installed in installation cavity, and described the Two frame, the second magnet and the second washer all have along the center air hole that successively face penetrates through.
10. the vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm according to claim 2, feature exist In: the ontology includes shell and the bracket for being set to outer casing back, and the shell has aforesaid base plate portion and ring part, institute The rear end for stating baseplate part is convexly equipped with the first barrel down;
The bracket is in hollow structure, and the front side inner peripheral of the bracket has integrally extended to form forward the second barrel, described The front-end surface of bracket is formed with the first installation position, the bracket and cage connection in the periphery of the second barrel, and described first Barrel adapts on the first installation position, between maintaining between the front end face of second barrel and the rear end face of baseplate part Gap, the periphery of both the elastic slice, first frame correspond to gap installing;
The rear side inner peripheral of the bracket has integrally extended to form third barrel backward, and the rear end surface of the bracket is in third The periphery of barrel is formed with the second installation position, the bracket and cage connection, and the secondary diaphragm adapts to the second installation position On.
CN201920667840.1U 2019-05-10 2019-05-10 The vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm Active CN209731560U (en)

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Application Number Priority Date Filing Date Title
CN201920667840.1U CN209731560U (en) 2019-05-10 2019-05-10 The vibration moving-coil compound horn of sound quality modified form double magnetic circuit double diaphragm

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111405425A (en) * 2019-12-27 2020-07-10 瑞声科技(新加坡)有限公司 Sound production device
CN111405426A (en) * 2019-12-27 2020-07-10 瑞声科技(新加坡)有限公司 Sound production device
CN111464926A (en) * 2020-04-09 2020-07-28 东莞市猎声电子科技有限公司 Double-diaphragm vibration horn system
WO2022068081A1 (en) * 2020-09-30 2022-04-07 歌尔股份有限公司 Sound generator, and electronic product comprising same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111405425A (en) * 2019-12-27 2020-07-10 瑞声科技(新加坡)有限公司 Sound production device
CN111405426A (en) * 2019-12-27 2020-07-10 瑞声科技(新加坡)有限公司 Sound production device
CN111405425B (en) * 2019-12-27 2021-03-26 瑞声科技(新加坡)有限公司 Sound production device
CN111405426B (en) * 2019-12-27 2021-06-15 瑞声科技(新加坡)有限公司 Sound production device
CN111464926A (en) * 2020-04-09 2020-07-28 东莞市猎声电子科技有限公司 Double-diaphragm vibration horn system
CN111464926B (en) * 2020-04-09 2021-11-12 东莞市猎声电子科技有限公司 Double-diaphragm vibration horn system
WO2022068081A1 (en) * 2020-09-30 2022-04-07 歌尔股份有限公司 Sound generator, and electronic product comprising same

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