CN217825361U - Novel loudspeaker - Google Patents

Abstract

The utility model provides a novel loudspeaker relates to electronic equipment technical field, including the speaker body, the speaker body is provided with the adjusting part who is used for adjusting resistance. This can realize the real-time switching of speaker access resistance size through adjusting part, guarantee under the aviation speaker equipment is in the level pressure condition, can realize the regulation of speaker volume size through the resistance of switching access resistance.

Description

Novel loudspeaker

Technical Field

The utility model relates to an electronic equipment technical field particularly, relates to a novel speaker.

Background

The loudspeaker is a transducer for converting electric signals into acoustic signals, and audio electric energy enables a cone or a diaphragm of the loudspeaker to vibrate and generate resonance (resonance) with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects.

The volume of a loudspeaker can be adjusted through the voltage applied to the loudspeaker by a common loudspeaker, and the loudspeaker used by the aviation equipment is constant in input voltage, so that the volume of the loudspeaker cannot be adjusted in real time, the sound of the loudspeaker is too loud or too loud, and the aviation flight mission can be influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel loudspeaker, it can improve the inconvenient problem that carries out volume control of loudspeaker under the level pressure condition.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a novel loudspeaker, including the speaker body, above-mentioned speaker body is provided with the adjusting part who is used for adjusting resistance.

The utility model discloses an in some embodiments, above-mentioned adjusting part includes the PCB circuit board, is provided with a plurality of resistance adjustment gear pieces on the above-mentioned PCB circuit board, and a plurality of above-mentioned resistance adjustment gear pieces all are connected with above-mentioned speaker body electricity.

The utility model discloses an in some embodiments, above-mentioned resistance adjustment spare includes resistance element, and above-mentioned PCB circuit board is all connected to a plurality of above-mentioned resistance element, and above-mentioned PCB circuit board is provided with a plurality of inserted sheets, and a plurality of above-mentioned inserted sheets correspond the electricity with a plurality of above-mentioned resistance element and are connected, and a plurality of above-mentioned resistance element's resistance diverse just all is connected with above-mentioned speaker body electricity.

In some embodiments of the present invention, the insertion piece is U-shaped, and the threading hole is formed on the insertion piece.

In some embodiments of the present invention, the plurality of resistor elements and the plurality of insertion pieces are both disposed on the PCB in an annular shape.

In some embodiments of the present invention, the number of the above-mentioned resistance elements and the above-mentioned insertion pieces is four, and four resistance elements and four above-mentioned insertion pieces are electrically connected in a one-to-one correspondence manner.

In some embodiments of the present invention, the number of the resistor elements is four, the number of the insertion pieces is five, wherein four of the resistor elements are electrically connected to four of the insertion pieces in a one-to-one correspondence, and the remaining one of the insertion pieces is directly electrically connected to the speaker body.

In some embodiments of the present invention, the number of the resistor elements is four, the number of the insertion pieces is six, wherein four of the resistor elements are electrically connected to four of the insertion pieces in a one-to-one correspondence, and any one of the remaining 2 of the insertion pieces is directly electrically connected to the speaker body, and the other one is not electrically connected to the speaker body.

In some embodiments of the present invention, the resistances of the four resistance elements are 240 Ω, 560 Ω, 1K Ω and 2K Ω, respectively.

In some embodiments of the present invention, the speaker body is detachably connected to the adjusting component.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model discloses a real-time switching of speaker access resistance size can be realized to the adjusting part, guarantees to be in under the level pressure condition at aviation speaker equipment, can change the electric current size through speaker sound production circuit through the resistance of switching resistance to realize the regulation of speaker volume size.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of the embodiment of the present invention.

Fig. 2 is a top view of the embodiment of the present invention.

Fig. 3 is a structure diagram of the insert sheet of the embodiment of the present invention.

Icon: 1-a loudspeaker body, 2-a PCB (printed Circuit Board), 3-a resistance element, 4-an inserting sheet and 5-a threading hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, if "a plurality" appears, it means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

According to fig. 1-3, the embodiment of the present application provides a novel speaker, which includes a speaker body 1, where the speaker body 1 is provided with an adjusting component for adjusting a resistance.

It should be noted that, the structure of the speaker body 1 is the same as that of the speaker in the prior art, and includes a frame, a cone, a dust cap, a rim, a positioning support piece, a voice coil, a magnetic conductive piece, a magnet, a U-iron, and the like.

The voice coil is a driving unit of the cone-shaped cone loudspeaker, and is formed by winding a thin copper wire on a paper tube in two layers, wherein the thin copper wire is generally wound by dozens of turns, also called a coil, and is placed in a magnetic suspected gap formed by a magnetic core column and a magnetic conductive sheet. The voice coil is fixed together with the cone, and when a sound current signal is introduced into the voice coil, the voice coil vibrates to drive the cone to vibrate.

The cone-shaped diaphragm of the cone-shaped diaphragm is made of various materials, and generally comprises two main types, namely natural fibers and artificial fibers. The natural fiber is usually cotton, wood, wool, spun silk, etc., and the artificial fiber is rayon, nylon, glass fiber, etc. Since the cone is a sound radiating device of the speaker and determines the sound reproduction performance of the speaker to a considerable extent, any cone is required to be light and rigid and not to be deformed due to changes in ambient temperature and humidity.

The positioning support chip is used for supporting the joint part of the voice coil and the cone so as to ensure that the voice coil is vertical and not inclined. The positioning support is provided with a plurality of concentric rings, so that the voice coil can freely move up and down in the magnetic gap without transverse movement, and the voice coil is ensured not to collide with the magnetic conduction plate. The dustproof cap on the positioning support piece is used for preventing external dust and the like from falling into a magnetic gap and avoiding the friction between the dust and the voice coil so as to cause abnormal sound of the loudspeaker.

Under the constant voltage state of the aviation loudspeaker, the volume of the loudspeaker is adjusted by switching on the adjusting component, more specifically, the adjusting component comprises a PCB (printed Circuit Board) 2, a plurality of resistance adjusting gear pieces are arranged on the PCB 2, and the resistance adjusting gear pieces are all electrically connected with the loudspeaker body 1.

The PCB 2 is an existing circuit board, and the shape and size of the PCB 2 are adapted to the speaker body 1, and the speaker body 1 is detachably connected to the adjusting assembly. Specifically speaking, the mounting hole has been seted up to 2 geometric centre positions of above-mentioned PCB circuit board, and above-mentioned U iron on the speaker body 1 passes above-mentioned mounting hole, and the U iron size suits with the size of above-mentioned mounting hole, guarantees that PCB circuit board 2 can not produce the displacement for speaker body 1, and simultaneously, for the fixed stability of further increase PCB circuit board 2, can fix a connection structure through the spiral shell, with PCB circuit board 2 and the basin frame fixed connection on the above-mentioned speaker body 1, guarantee PCB circuit board 2's stability.

A plurality of above-mentioned resistance adjustment gear spare of resistance each other have reasonable interval, prevent when one of them resistance adjustment gear spare is independent work, other adjacent resistance adjustment gear spares cause the influence to the resistance adjustment gear spare of working.

It should be noted that the resistance adjusting member includes a resistance element 3, the plurality of resistance elements 3 are all connected to the PCB 2, the PCB 2 is provided with a plurality of insertion pieces 4, the plurality of insertion pieces 4 are correspondingly electrically connected to the plurality of resistance elements 3, and the resistance values of the plurality of resistance elements 3 are different and are all electrically connected to the speaker body 1.

It should be noted that the number of the resistor elements 3 and the number of the insert sheets 4 can be set according to the actual conditions that need to be adjusted in a specific use environment, and the number of the resistor elements 3 and the number of the insert sheets 4 can be different, so that when the number of the insert sheets 4 is certainly greater than the number of the resistor elements 3, it can be ensured that each resistor element 3 has a matching insert sheet 4.

Above-mentioned resistance element 3 adopts current color ring resistance, because the utility model discloses well required electronic components quantity is less, and the precision degree is not high moreover, uses color ring resistance to compare other resistance components like chip resistor, both can guarantee the resistance on the basis of resistance self performance reduce cost, can learn the resistance of resistance easily again through the expression form of color ring, and then makes things convenient for the resistance in later stage to change or maintain.

One end of the resistance element 3 is connected to the PCB 2 by means of electronic welding and penetrates out of the PCB 2 to be connected with the speaker body 1 by a lead, and the other end of the resistance element is directly fixed to the insert 4 by means of electronic welding, so that the circuit of the insert 4, the resistance element 3 and the speaker body 1 is in a conducting state.

Above-mentioned inserted sheet 4 material is brass, and brass has electric conductive property well, guarantees that the resistance of inserted sheet 4 self is very little to the influence of circuit, guarantees the stability of resistance element 3 work.

It is noted that the inserting piece 4 is U-shaped, and the inserting piece 4 is provided with a threading hole 5. The horizontal end face of the inserting piece 4 is fixed on the PCB 2.

And a plurality of above-mentioned resistive element 3 and a plurality of above-mentioned inserted sheet 4 all are the annular and set up in above-mentioned PCB circuit board 2, can guarantee like this when connecting the resistive element 3 of different gears that outside corresponding socket can set up comparatively evenly, conveniently carries out the sign.

It should be noted that the inserting pieces 4 are directly electrically connected to an external power transmission device, specifically, a socket body (not shown in the figure) is disposed on the outer side of the PCB circuit board 2, the socket body completely covers the PCB circuit board 2, and a plurality of sockets (not shown in the figure) corresponding to the inserting pieces 4 are disposed on the socket body, the sockets are electrically connected to the corresponding inserting pieces 4, and the sockets are used for plugging a speaker sound source electrical input circuit.

In actual use, the volume of the loudspeaker is adjusted by inserting the plug of the sound source electrical input circuit of the loudspeaker into different sockets, and meanwhile, different working powers or audio sizes represented by different sockets can be set at the sockets, so that the volume can be adjusted in real time more conveniently.

Preferably, the number of the resistor elements 3 and the number of the insert sheets 4 are four, and four resistor elements 3 and four insert sheets 4 are electrically connected in a one-to-one correspondence manner.

The resistance values of the four resistance elements 3 are 240 Ω, 560 Ω, 1K Ω and 2K Ω respectively, the four resistance elements 3 are sequentially arranged on the PCB 2 in an annular shape according to the resistance values, the rated working power generated by connecting the corresponding resistance elements 3 can be calculated according to the fixed voltage on the actual working equipment, the corresponding power can be marked on one side of the PCB 2 corresponding to the insert sheet 4, and the discrimination of each insert sheet 4 is improved.

Therefore, in this embodiment, the adjusting assembly has four positions, when the plug on the socket body is manually pulled out, the whole speaker is in a cut-off state, and when the plug on the socket body is inserted into the corresponding socket, the plug on the socket body is electrically connected with the corresponding insert 4, the resistive element 3 and the speaker body 1, so that the speaker working circuit is switched on, and the speaker emits a sound with a volume corresponding to the volume.

When the volume needs to be adjusted, the plug is directly and manually pulled out to be connected into a needed socket, so that the resistor element 3 is replaced to be connected into a circuit, and the effect of adjusting the volume of the loudspeaker is achieved.

Example 2

The present embodiment is different from embodiment 1 in that:

the number of the resistor elements 3 is four, the number of the insert pieces 4 is five, wherein the four resistor elements 3 are electrically connected with the four insert pieces 4 in a one-to-one correspondence manner, and the single insert piece 4 is directly electrically connected with the speaker body 1.

The technical scheme enables the adjusting component to be changed into 5 gears, and the same five inserting pieces 4 correspond to five inserting holes.

It should be noted that the direct electrical connection of the separate plug-in strip 4 to the speaker body 1 corresponds to no additional resistor, so that the power of the speaker is maximized in the constant voltage state and the sound volume emitted by the speaker is maximized.

The specific method of use is the same as in example 1.

Example 3

The present embodiment differs from the above embodiments in that:

the number of the resistor elements 3 is four, the number of the insert pieces 4 is six, wherein four of the resistor elements 3 are electrically connected with four of the insert pieces 4 in a one-to-one correspondence manner, one of the remaining 2 of the insert pieces 4 is directly electrically connected with the speaker body 1, and the other one is not electrically connected with the speaker body 1.

The plug 4 not electrically connected to the speaker body 1 corresponds to an off position, and when the plug is plugged into the socket corresponding to the plug 4 not electrically connected to the speaker body 1, the speaker is in an off and non-sound state.

In this embodiment, the number of the shift positions of the adjusting assembly is six, and the shift positions include five resistance adjusting shift positions and one cut-off shift position.

In a specific use process, when the loudspeaker is required to be in a stop working state or a mute state, the plug can be plugged into the corresponding jack of the plug-in sheet 4 which is not electrically connected with the loudspeaker body 1, when the loudspeaker is required to emit sounds with different sound volumes, the plug on the socket body is plugged into the corresponding jack, and the plug is electrically connected with the corresponding plug-in sheet 4, the resistance element 3 and the loudspeaker body 1, so that a loudspeaker working circuit is switched on, and the loudspeaker emits the sounds with the corresponding sound volumes.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The novel loudspeaker is characterized by comprising a loudspeaker body, wherein the loudspeaker body is provided with an adjusting component for adjusting resistance; the adjusting assembly comprises a PCB (printed circuit board), a plurality of resistance adjusting gear pieces are arranged on the PCB, and the resistance adjusting gear pieces are electrically connected with the loudspeaker body; resistance adjusting part includes resistive element, and is a plurality of resistive element all connects PCB circuit board, PCB circuit board is provided with a plurality of inserted sheets, and is a plurality of the inserted sheet is with a plurality of resistive element corresponds the electricity and connects, and is a plurality of resistive element's resistance diverse and all with speaker body electricity is connected.

2. The novel loudspeaker of claim 1, wherein the insert is U-shaped and has threading holes.

3. The novel loudspeaker in accordance with claim 1, wherein said plurality of resistive elements and said plurality of tabs are disposed in a ring configuration on said PCB.

4. The novel loudspeaker in accordance with claim 2, wherein the number of said resistive elements and said tabs is four, and four resistive elements and four of said tabs are electrically connected in one-to-one correspondence.

5. The novel loudspeaker of claim 2, wherein the number of the resistive elements is four, the number of the blades is five, four of the resistive elements are electrically connected to four blades in a one-to-one correspondence, and the remaining one of the blades is directly electrically connected to the loudspeaker body.

6. The novel loudspeaker in accordance with claim 2, wherein the number of said resistive elements is four, and the number of said blades is six, wherein four of said resistive elements are electrically connected to four of said blades in a one-to-one correspondence, and any one of the remaining 2 of said blades is directly electrically connected to said loudspeaker body, and the other is not electrically connected to said loudspeaker body.

7. The novel loudspeaker according to any one of claims 4-6, wherein the four resistive elements have values of 240 Ω, 560 Ω, 1K Ω and 2K Ω, respectively.

8. The novel loudspeaker of claim 1, wherein the loudspeaker body is removably connected to the adjustment assembly.

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