CN213426474U - Novel coaxial loudspeaker - Google Patents

Abstract

The invention relates to a novel coaxial loudspeaker which is formed by assembling a medium and low-pitch loudspeaker and a high-pitch loudspeaker, wherein the medium and low-pitch loudspeaker and the high-pitch loudspeaker are respectively provided with an independent magnetic circuit sounding system, the high-pitch loudspeaker is directly adhered and fixed on the upper parts of a medium and low-pitch cone and a voice coil to cover the upper part of the center of a medium and low-pitch magnetic circuit, the high-pitch loudspeaker does not work when a bass unit works in a pure bass state, and only serves as a dust cover function of the medium and low-pitch loudspeaker, and meanwhile, the low-frequency effect of the medium and low-pitch loudspeaker can be effectively improved, and when the bass unit works in a. The low-pitch loudspeaker is suitable for being applied to an ultra-thin type subwoofer, has good bass effect, can switch to a full-frequency working mode without additionally arranging a high-pitch loudspeaker, can be conveniently installed and used at the bottom of the automobile seat, increases the shortage of bass of an original automobile, and can also directly use the full-frequency working mode.

Description

Novel coaxial loudspeaker

Technical Field

The utility model relates to a novel coaxial loudspeaker, coaxial loudspeaker has contained independent well bass magnetic circuit sound production system and independent high pitch magnetic circuit sound production system, independent high pitch loudspeaker directly bonds and fixes on well bass basin and voice coil loudspeaker voice coil upper portion, cover well bass magnetic circuit center upper portion, when speaker input signal is in pure bass state, high pitch loudspeaker is out of work, only use as well bass loudspeaker's dust cover function, can effectively improve well bass loudspeaker's low frequency effect, when input signal is full frequency state, well bass loudspeaker and high pitch loudspeaker can independently sound simultaneously.

Background

At present, two common coaxial loudspeakers are basically provided, one is a pseudo coaxial loudspeaker, a small high pitch cap is bonded on the central part of the voice coil and the sound cone, the high pitch effect is poor, and the low pitch is insufficient. The other type is a real coaxial loudspeaker, the high pitch loudspeaker is fixed on a T iron at the center of the medium and low pitch loudspeaker through a screw rod, but the low pitch effect is not ideal, if the low pitch effect is designed to be good, the vibration amplitude is large, the fixed height of the high pitch head is not enough, the high pitch head easily touches the ring, and if the high pitch head is fixed too high, the whole loudspeaker assembly is difficult to be installed on the inner decoration door plate of a part of automobiles.

SUMMERY OF THE UTILITY MODEL

The technology of the invention directly bonds and fixes the high pitch loudspeaker on the upper parts of the cone and the voice coil of the medium and low pitch loudspeaker, the specification and the model of the medium and low pitch loudspeaker are designed to be more than 6 inches, the rated power is designed to be more than 40W, the high pitch loudspeaker uses a light neodymium iron boron inner magnetic structure and other light materials, and a high-frequency-division capacitor is arranged in the high pitch loudspeaker. This coaxial loudspeaker uses in the comparatively ideal of ultra-thin formula subwoofer, also can guarantee real high pitch effect when guaranteeing bass effect good, switches to full frequency during operation, need not to adorn high pitch loudspeaker in addition, and consequently supporting box unit can corresponding design thinner littleer, and whole bass box unit total height can design and be less than 90mm, and the sound effect ideal can be used in the car seat bottom by easy to assemble, increases the bass of former car not enough, also can directly use full frequency mode.

Drawings

Fig. 1 is a schematic structural diagram of a novel coaxial loudspeaker.

The serial number marks and names of each sub-component in the structural schematic diagram of the attached figure 1 are as follows:

1-medium and low sound magnet 2-medium and low sound T iron 3-heat dissipation hole 4-medium and low sound voice coil 5-medium and low sound upper splint 6-medium and low sound fixing basin frame 7-medium and low sound positioning support piece 8-medium and low sound positive electrode soldering lug 9-medium and low sound negative electrode soldering lug 10-positive electrode signal lead 11-negative electrode signal lead 12-medium and low sound basin 13-high frequency division capacitor 14-high sound positive electrode soldering lug 15-high sound neodymium iron boron magnetic circuit component 16-high sound loudspeaker shell 17-high sound voice coil sound membrane component 18-high sound negative electrode soldering lug 19-medium and low sound voice coil negative electrode lead 20-medium and low sound voice coil positive electrode lead

Detailed Description

The implementation content of the attached drawing 1 is as follows, (1) the mid-bass loudspeaker magnet can select a high-performance ferrite magnet or a neodymium iron boron magnet according to the requirements of customers or market requirements, and generates a magnetic field after being assembled and magnetized so as to provide the magnetic power for the voice coil to move up and down. (2) The T iron (or U iron) of the medium and low sound loudspeaker is formed by stamping common steel according to design requirements, surface treatment and galvanization are carried out, rusting is prevented, a hole is formed in the center for heat dissipation, and magnetic conduction and fixing effects are achieved. (3) The louvre, because the woofer power is great in the woofer, and operating time is longer, and inside temperature is higher, and for the long-term job stabilization who guarantees the speaker, the tweeter of this design directly bonds on the central upper portion of woofer, does not fix on T iron center post with the screw rod, and the central trompil of T iron center post is used as inside heat dissipation. (4) The voice coil of the medium and low sound loudspeaker adopts a copper wire to be wound on a circular aluminum framework with specified size according to certain design requirements, and has the main functions that the voice coil generates magnetic field strengths with different sizes after inputting different frequency signals, and the voice coil is driven to move up and down under the interaction of the magnetic field of the magnet. (5) The middle and low sound upper clamping plate is formed by stamping common steel according to design requirements, is subjected to surface treatment and galvanization, is prevented from rusting, and plays roles in magnetic conduction and fixation. (6) The middle and low sound fixing basin frame is made of common steel through stamping or aluminum alloy die casting according to design requirements, surface treatment and galvanization are carried out, rusting is prevented, and the whole parts are fixedly matched and assembled. (7) The middle and low sound positioning support piece is made of cotton cloth materials according to design requirements, plays a role in fixing the voice coil, and ensures that the voice coil can always work vertically within a certain stroke range without deviation. (8) The medium and low sound positive electrode soldering lug is formed by processing a copper piece with tin plated on the surface according to requirements and is welded with one end of the positive electrode signal lead (10). (9) The medium and low sound negative electrode soldering lug is formed by plating tin on the surface of a copper piece according to requirements and is welded with one end of the negative electrode signal lead wire (11). (10) And the positive signal lead is formed by processing a copper wire according to requirements, one end of the positive signal lead is welded with the medium and low sound positive soldering lug in the step (8), and the other end of the positive signal lead penetrates through the medium and low sound cone and is welded with the positive lead of the medium and low sound voice coil in the step (20) and the positive pin of the high-frequency-division capacitor in the step (13). (11) And the negative signal lead is formed by processing a copper wire according to requirements, one end of the negative signal lead is welded with the bass negative soldering lug in the step (9), and the other end of the negative signal lead penetrates through the bass cone and is welded with the cathode lead of the bass voice coil in the step (19) and the treble negative soldering lug in the step (18). (12) The sound production sound cone of the medium and low sound loudspeaker can select materials such as an aluminum alloy rubber edge, a PP cone rubber edge and the like according to actual use requirements or customer requirements, and has the main function of producing sound by vibration under the driving of the voice coil. (13) And in the high-frequency-division capacitor, the positive electrode pin is welded with one end of the positive electrode signal lead wire of the (10) and the positive electrode lead wire of the medium-low voice coil of the (20), and the negative electrode pin is welded with the positive electrode soldering lug of the high-pitch of the (14). (14) The high-pitch positive electrode soldering lug is formed by tinning the surface of a copper piece according to requirements and is welded with the negative electrode pin of the high-frequency-division capacitor (13). (15) The high-pitch neodymium iron boron magnetic circuit component generates a magnetic field after being magnetized, and provides magnetic power for the up-and-down movement of the high-pitch voice coil. (16) The casing of the high pitch loudspeaker is formed by injecting plastic according to a certain shape, is sleeved outside the high pitch assembly, and is in a fastening fit and glue bonding fixing mode with the middle and low pitch cone at the bottom. (17) The high pitch voice coil loudspeaker voice diaphragm subassembly is in the same place with magnetic circuit component and interior casing bonding, constitutes the high pitch head subassembly, and the high pitch head subassembly bonding is fixed on well low pitch voice coil loudspeaker voice coil upper portion to the cover is inside the high pitch loudspeaker shell. (18) And the high-pitch negative electrode soldering lug is formed by tinning the surface of a copper piece according to requirements and is welded with the negative electrode lead of the medium and low-pitch voice coil in the step (19) and the negative electrode signal lead of the step (11). (19) And the cathode lead of the medium and low voice coil is welded with the high-pitch cathode welding sheet (18) and the cathode signal lead (11). (20) And the middle and low voice coil positive lead is welded with one end of the (10) positive signal lead and the (13) high-frequency-dividing capacitor positive pin.

Claims (2)

1. A novel coaxial loudspeaker is characterized in that the novel coaxial loudspeaker is formed by bonding and assembling a medium and low pitch loudspeaker and a high pitch loudspeaker, the medium and low pitch loudspeaker and the high pitch loudspeaker are respectively provided with an independent magnetic circuit sounding system, a high pitch loudspeaker assembly part is directly bonded and fixed on the upper parts of a cone and a voice coil of the medium and low pitch loudspeaker to cover the central upper part of the medium and low pitch loudspeaker, a high-frequency-division capacitor is arranged in the high pitch loudspeaker assembly, the positive electrode of a signal lead passes through the upper part of the medium and low pitch cone and is directly welded with the positive electrode lead of the medium and low pitch voice coil and the positive electrode pin of the frequency-division capacitor, the negative electrode pin of the frequency-division capacitor is directly welded on a positive electrode welding piece of the high pitch head, the negative electrode of the signal lead passes through the upper part of the medium and low pitch cone and is, the low-frequency effect of the medium and low-pitch loudspeaker can be effectively improved, and when the signal is input in a full-frequency state, the high-pitch loudspeaker and the medium and low-pitch loudspeaker can simultaneously and independently sound.

2. The novel coaxial loudspeaker as claimed in claim 1, wherein the loudspeaker is designed as a coaxial loudspeaker, and is formed by bonding and assembling a mid-bass loudspeaker and a high-pitch loudspeaker, so that a single coaxial loudspeaker can work in a pure low-frequency state and a full-frequency state, the switching work requirement of the pure low-frequency mode and the full-frequency mode can be met by the single coaxial loudspeaker without additionally adding the high-pitch loudspeaker, and the coaxial loudspeaker is suitable for the use requirement of an ultra-thin and ultra-small subwoofer.

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