CN209170651U - A kind of double suspension loudspeakers - Google Patents

Abstract

The utility model relates to a kind of double suspension loudspeakers.It includes the magnetic circuit system being made of U iron, magnetite, washer and magnetic conduction iron hoop, the vibrational system being made of vibrating diaphragm, coil and frame, it further include by double suspension systems of ring and bullet wave component, ring and bullet wave are symmetrically arranged at the upper and lower ends of coil, to form symmetrical double overhung constructions, U iron and magnetic conduction iron hoop are utilized simultaneously, and the outer for playing wave is fixed by firm.Double suspension loudspeakers of the utility model can improve the vertical centering ability to coil vibration, improve voice coil stroke, reduce voice coil friction and distortion, and can also reduce speaker height size, be easily achieved overall structure more simply.

Description

A kind of double suspension loudspeakers

Technical field

The utility model relates to speaker technology field more particularly to a kind of double suspension loudspeakers with symmetrical structure.

Background technique

Traditional dynamic speaker is mainly by magnetic circuit system, vibrational system and the suspension system group for being used to support vibration At, it is common in actual use, by suspension system be set to coil upper end, when coil in magnetic gap when the vibrations are up and down, line The lower end of circle is easy to shake, and then rubs and arrive the inside and outside wall of magnetic gap, to generate noise.Modern sound development trend is got over Hair pursues slimming, lighting and requires to bear relatively high power, and therefore, the loudspeaker of traditional structural design cannot be fully met It is required that.

Summary of the invention

The purpose of this utility model is to provide a kind of double suspension loudspeakers.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of double suspension loudspeakers comprising The magnetic circuit system being made of U iron, magnetite, washer and magnetic conduction iron hoop, the vibrational system being made of vibrating diaphragm, coil and frame are also wrapped Include by ring and play double suspension systems of wave component；The vibrating diaphragm is cylindrical, and the mounting coil is outside the vibrating diaphragm On barrel, the ring and play wave parallel and symmetrical both ends that the vibrating diaphragm is set respectively, the coil in the ring and It plays and pumps between wave along the barrel direction of the vibrating diaphragm.

In a preferred embodiment, the upper end of the vibrating diaphragm is formed with the diaphragm in convex dome shape, along the diaphragm Edge integrally extends to form the barrel vertically downward.

In a preferred embodiment, the ring includes a ring substrate in a ring, and middle part is formed with first through hole, The vibrating diaphragm coaxially connects upwards from the lower section of the ring, and the convex dome of the diaphragm is upward from the first through hole It stretches out and its edge is connected with the lower wall of the ring substrate；Bulge loop protruding upward is formed on the ring substrate Face.

In a preferred embodiment, the bullet wave includes a bullet wave substrate in a ring, and middle part is formed with the second through-hole, The barrel of the vibrating diaphragm can be passed through with the coaxial grafting of the second through-hole, the lower end of the barrel after second through-hole with The U iron phase connection；It is described to play the concave ring surface being formed on wave substrate to lower recess.

In a preferred embodiment, the aperture of the first through hole of the ring is less than the hole of second through-hole for playing wave The aperture of diameter, second through-hole for playing wave is identical as the diameter of the outer wall of the barrel of the vibrating diaphragm.

In a preferred embodiment, the frame includes that a cylindrical frame is seperated, and middle part is formed through thereon The third through-hole at lower both ends；Recess is formed with the limited ring groove of an annular, the limit in the upper end end face of the frame fission The inner ring of position annular groove runs through with the third through-hole；Support there are two being symmetrically formed on the outer wall of the upper end of the frame fission Bone；Ring coaxial arrangement seperated with the frame, the edge of the ring substrate is connected to the stop collar of the frame It falls and falls off on slot, to limit the ring from the third through-hole.

The beneficial effect of the double suspension loudspeakers of the utility model is: being symmetrically arranged by the upper and lower ends in coil Ring and bullet wave, to form symmetrical double overhung constructions, and it is U iron and magnetic conduction iron that traditional U iron, which is split into two components, Ring, so that the outer for playing wave is fixed by firm.Double suspension loudspeakers of the utility model can improve to the vertical fixed of coil vibration Heart ability improves voice coil stroke, reduces voice coil friction and distortion, and can also reduce speaker height size, makes whole knot Structure is more simply easily achieved.

Detailed description of the invention

Fig. 1 is the perspective view of double suspension loudspeakers in an embodiment.

Fig. 2 is the perspective exploded view of double suspension loudspeakers in an embodiment.

Fig. 3 is the perspective view of vibrating diaphragm in Fig. 2.

Fig. 4 is the perspective view of ring in Fig. 2.

Fig. 5 is that Fig. 2 is hit by a bullet the perspective view of wave.

Fig. 6 is the perspective view of frame in Fig. 2.

Fig. 7 is the top view of double suspension loudspeakers in embodiment.

Fig. 8 is the cross section view of the part A-A in Fig. 7.

Fig. 9 is the enlarged view of part B in Fig. 8.

Figure 10 is double overhung construction schematic diagrames of double suspension loudspeakers in an embodiment.

Figure 11 is the longitudinal section view of double overhung constructions of double suspension loudspeakers in Figure 10.

Figure 12 is the voice coil temperature increment comparison diagram of double suspension loudspeakers and existing loudspeaker in an embodiment.

Figure 13 is the Kms curve comparison figure of double suspension loudspeakers and existing loudspeaker in an embodiment.

Figure 14 is the distortion curve comparison diagram of double suspension loudspeakers and existing loudspeaker in an embodiment.

Specific embodiment

It is described in further detail below in conjunction with double suspension loudspeakers of the specific embodiments and drawings to the utility model.

Please referring also to Fig. 1 to Fig. 2 defines up and down direction with positional relationship as shown in the figure, a kind of double suspension loudspeakers, It includes the magnetic circuit system being made of U iron 10, magnetite 20, washer 90 and magnetic conduction iron hoop 50, by vibrating diaphragm 80, coil 40 and frame 60 The vibrational system of composition further includes the double suspension systems being made of ring 70 and bullet wave 30, and above each component is in same center Axis setting.

Vibrating diaphragm 80 is cylindrical, and coil 40 is sleeved on the barrel outside vibrating diaphragm 80, and ring 70 is parallel with the difference of wave 30 is played And the both ends of vibrating diaphragm 80 are symmetricly set on, coil 40 does between ring 70 and bullet wave 30 along the barrel direction of vibrating diaphragm 80 past up and down Multiple movement.

Please referring also to Fig. 3, the upper end of vibrating diaphragm 80 is formed with the diaphragm 81 in convex dome shape, along the edge of diaphragm 81 A barrel 82 is integrally extended to form vertically downward；Multiple cinclides 84 have been formed uniformly on barrel 82.

Please referring also to Fig. 4, ring 70 include a ring substrate 71 in a ring, and middle part is formed with first through hole 72, Vibrating diaphragm 80 coaxially connects upwards from the lower section of ring 70, the convex dome of diaphragm 81 stretched out upwards from first through hole 72 and Its edge is connected with the lower wall of ring substrate 71；Bulge loop face 73 protruding upward is formed on ring substrate 71.

Please referring also to Fig. 5, the external form for playing wave 30 is roughly the same with ring 70, they are incorgruous is oppositely arranged, and plays the packet of wave 30 A bullet wave substrate 31 in a ring is included, middle part is formed with the second through-hole 32, and the barrel 82 of vibrating diaphragm 80 can be same with the second through-hole 32 Axis grafting, the lower end of barrel 82 are connected after passing through the second through-hole 32 with U iron 10；It plays and is formed on wave substrate 31 to recessed Sunken concave ring surface 33.

The aperture of the first through hole 72 of ring 70 is less than the aperture for playing the second through-hole 32 of wave 30, plays the second through-hole of wave 30 32 aperture is identical as the diameter of outer wall of barrel 82 of vibrating diaphragm 80, and the aperture of the first through hole 72 of ring 70 is less than vibrating diaphragm 80 The outer diameter of diaphragm 81；When ring 70 is connected thereto from the top of vibrating diaphragm 80, the edge of the diaphragm 81 of 80 upper end of vibrating diaphragm then with The lower wall of ring 70 leans, is pierced by upwards with limiting vibrating diaphragm 80 from the first through hole 72 of ring 70, the barrel 82 of vibrating diaphragm 80 Lower end then passes through the second through-hole 32 for playing wave 30 and is connected with each other with the inner wall of the second through-hole 32.

Please referring also to Fig. 6, frame 60 include a cylindrical frame fission 61, middle part formed through its upper and lower two The third through-hole 64 at end；Recess is formed with the limited ring groove 63 of an annular, limited ring groove in the upper end end face of frame fission 61 63 inner ring runs through with third through-hole 64；Support rib 62 there are two being symmetrically formed on the outer wall of the upper end of frame fission 61；Ring 70 61 coaxial arrangements seperated with frame, the edge of ring substrate 71 are connected on the limited ring groove 63 of frame 60, to limit folding Ring 70 grows lower and falls off from third through-hole 64.

Traditional U iron is split into the U iron 10 and magnetic conduction iron hoop 50, U of diagram in this programme by please referring also to Fig. 7 to Fig. 9 Iron 10 and magnetic conduction iron hoop 50 are coaxially opposite to connect into a cylindrical body, and can be formed in the interior thereof one for accommodate bullet wave 30, magnetic The space of stone 20 and washer 90, specifically, washer 90 and coaxial stack of magnetite 20 are placed in together in the inside of U iron 10 first At the heart, it then will play wave 30 and the outer wall for 80 lower end of vibrating diaphragm for being set with coil 40 and mutually be adhesive into one, then by the cylinder of vibrating diaphragm 80 Wall 82 is coaxially set in the outside of magnetite 20 and washer 90, at this point, the edge for playing the bullet wave substrate 31 of wave 30 rides over U iron 10 On the end face of upper end, it then will lead ferromagnetic ring 50 and be sleeved on the outside of coil 40 and be connected with each other with U iron 10, at this point, playing wave 30 The edge of bullet wave substrate 31 is then clamped at the junction of U iron 10 and magnetic conduction iron hoop 50 to prevent it from shifting along the vertical direction, so Frame 60 vibrating diaphragm 80 is passed through afterwards to be connected with the upper end for leading ferromagnetic ring 50, finally again by ring 70 from the top of vibrating diaphragm 80 and Its phase adhesion, and the diaphragm 81 at 80 top of vibrating diaphragm is made to extend out to top from the first through hole 72 of ring 70, at this point, entire double outstanding Loudspeaker is hung to be completed.

Please referring also to Figure 10 to Figure 11, double suspension loudspeakers of this programme, ring 70 and bullet wave 30 are connected to vibration The upper and lower ends of film 80 vertically, after coil 40 is powered, under the influence of a magnetic field, coil 40 can vertically be done Lower direction movement, so that vibrating diaphragm 80 be driven to give off sound, during vibration, ring 70 and bullet wave 30 can be used as suspention system System supports vibration balancing.

Please referring also to Figure 12 to Figure 14, now to using originally put the loudspeaker of case and existing loudspeaker obtained respectively as The test data of figure, wherein curve a represents existing loudspeaker a, and curve b writes on one's behalf the loudspeaker b of this programme, summarizes by contrast such as Under:

1. display obtains the increment of voice coil temperature as shown in the figure by the test of 2 hours in Figure 12, wherein it is visible both There is the temperature of loudspeaker a to rise 103 degree, the temperature of this programme loudspeaker b rises 28 degree, it is seen then that the voice coil of this programme loudspeaker b Temperature is relatively lower, can more bear biggish power, it is ensured that voice coil is not burned；

2. the Kms curve comparison result of suspension system stiffness in Figure 13, it is seen that the curve b's of this programme loudspeaker b is symmetrical Property is more preferable than existing loudspeaker a, and the stability of the suspension system of this programme loudspeaker b is more preferable；

3. display distortion curve comparison in Figure 14, according to the fluctuation form of curve, it is seen that the curve ripple of this programme loudspeaker b Dynamic amplitude compares existing loudspeaker a, and the distortion of this programme loudspeaker b is substantially reduced.

In conjunction with above-mentioned test data, it is seen that this programme loudspeaker b compares existing loudspeaker a, and stability is higher, distortion rate It is lower.

To sum up, double suspension loudspeakers of the utility model, by the upper and lower ends in coil be symmetrically arranged ring and Wave is played, to form symmetrical double overhung constructions, and traditional U iron is split into two components as U iron and magnetic conduction iron hoop, so that The outer for playing wave is fixed by firm.Double suspension loudspeakers of the utility model can improve the vertical centering ability to coil vibration, Voice coil stroke is improved, voice coil friction and distortion is reduced, and speaker height size can also be reduced, keeps overall structure simpler It is easily achieved.

Although the description combination embodiments above to the utility model carries out, it is familiar with the art Personnel can carry out many replacements based on the above contents, modifications and variations, be obvious.Therefore, all such Substitution, improvements and changes are included in the spirit and scope of appended claims.

Claims (6)

1. a kind of double suspension loudspeakers comprising the magnetic circuit system being made of U iron, magnetite, washer and magnetic conduction iron hoop, by vibrating diaphragm, The vibrational system of coil and frame composition, which is characterized in that further include by double suspension systems of ring and bullet wave component；The vibration Film is cylindrical, and the mounting coil ring and plays that wave is parallel and symmetrical respectively sets on the barrel outside the vibrating diaphragm It sets at the both ends of the vibrating diaphragm, the coil is done up and down reciprocatingly between the ring and bullet wave along the barrel direction of the vibrating diaphragm Movement.

2. double suspension loudspeakers according to claim 1, which is characterized in that the upper end of the vibrating diaphragm is formed in convex surface circle The diaphragm of dome-shaped integrally extends to form the barrel along the edge of the diaphragm vertically downward.

3. double suspension loudspeakers according to claim 2, which is characterized in that the ring includes a ring base in a ring Plate, middle part be formed with first through hole, the vibrating diaphragm coaxially connects upwards from the lower section of the ring, the diaphragm it is convex Face dome stretches out upwards from the first through hole and its edge is connected with the lower wall of the ring substrate；The ring base Bulge loop face protruding upward is formed on plate.

4. double suspension loudspeakers according to claim 1, which is characterized in that the bullet wave includes a bullet wave base in a ring Plate, middle part are formed with the second through-hole, and the barrel of the vibrating diaphragm can be with the coaxial grafting of the second through-hole, the lower end of the barrel End is connect after passing through second through-hole with the U iron phase；It is described to play the concave ring surface being formed on wave substrate to lower recess.

5. double suspension loudspeakers according to claim 3, which is characterized in that the aperture of the first through hole of the ring is less than The aperture of second through-hole for playing wave, the diameter of the outer wall of the barrel in the aperture and vibrating diaphragm of second through-hole for playing wave It is identical.

6. double suspension loudspeakers according to claim 1, which is characterized in that the frame includes a cylindrical frame Fission, middle part form the third through-hole for running through its upper and lower ends；It is recessed in the upper end end face of the frame fission and is formed with The limited ring groove of one annular, the inner ring of the limited ring groove run through with the third through-hole；Outside the upper end of the frame fission Support rib there are two being symmetrically formed on wall；Ring coaxial arrangement seperated with the frame, the edge of the ring substrate It is connected on the limited ring groove of the frame, falls and fall off to limit the ring from the third through-hole.