High-sound-pressure-level strong-sound double-diaphragm transducer

Abstract

The utility model relates to the technical field of high-sound-pressure-level intense-sound double-diaphragm transducers, and discloses a high-sound-pressure-level intense-sound double-diaphragm transducer, which comprises a transducer and is characterized in that a control assembly is arranged, a protection plate is in contact with the surface of a diaphragm, and the protection plate shields the diaphragm, so that the high-sound-pressure-level intense-sound double-diaphragm transducer is formed. A supporting rod fixed to the surface of the transverse plate abuts against the surface of the transducer, a pressing rod is pressed, a supporting plate fixed to the surface of the pressing rod slides under supporting of a first spring, a protruding block slides in a heart-shaped groove, and a movable rod fixed to the surface of the protruding block is turned over on the surface of the transverse block. A sliding rod fixed on the surface of a supporting plate drives a clamping rod to move out of a fixing frame under the supporting of a second spring, the clamping rod is clamped into a through hole in the supporting rod, a protruding block moves to a notch from a sharp opening of a heart-shaped groove to be fixed, a protection plate can stably protect the vibrating diaphragm, and the situation that dust enters the vibrating diaphragm when the vibrating diaphragm is not used, and transmission and vibration of sound waves are affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of high sound pressure level strong sound double diaphragm transducers, in particular to a high sound pressure level strong sound double diaphragm transducer. Background Art

[0002] The high sound pressure level strong sound dual diaphragm transducer is a sound conversion device with high output power and large sound pressure level. It consists of two diaphragms, which are stimulated to vibrate by the input of current or voltage. This dual diaphragm transducer can produce higher sound intensity and is suitable for application scenarios that require high loudness.

[0003] The diaphragm is the core component of the dual-diaphragm transducer, usually made of flexible materials, which can be metal films, polymer films or ceramic materials. The diaphragm is responsible for converting mechanical vibrations into electrical signals or converting electrical signals into mechanical vibrations. The design of the V-shaped diaphragm structure can effectively increase the diaphragm area, form a larger compression ratio, increase the diaphragm acoustic impedance, improve the transducer's electrical-acoustic conversion efficiency, reduce distortion within the frequency response range, and increase the output sound pressure level; the dual-diaphragm structural design can ensure that the transducer can achieve linear superposition of two sound waves in a small volume, increase the output sound pressure level by 6dB, and occupy the smallest volume to achieve interference of in-phase sound waves.

[0004] The diaphragm of the existing high sound pressure level strong sound dual diaphragm transducer is not set with any shielding objects, so the diaphragm is easily affected by dust. Dust accumulates on the surface of the diaphragm, resulting in uneven mass distribution of the diaphragm, thereby affecting the transmission and vibration of sound waves. To address this problem, we proposed a high sound pressure level strong sound dual diaphragm transducer. Utility Model Content

[0005] The utility model aims to provide a high sound pressure level strong sound double diaphragm transducer to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high sound pressure level strong sound double diaphragm transducer, comprising a transducer, a diaphragm is fixedly mounted on the surface of the transducer, a control component is arranged on the surface of the transducer, and the control component comprises: a telescopic rod, the telescopic rod is rotatably connected to the surface of the transducer, a horizontal plate is fixedly mounted on the surface of the telescopic rod, a protective plate is fixedly mounted on the surface of the horizontal plate; a support rod, the support rod is fixedly mounted on the surface of the horizontal plate; a fixed frame, the fixed frame is fixedly mounted on the surface of the transducer; a fixing part, a fixing part is also arranged in the fixed frame to prevent dust from entering when not in use, thereby affecting the transmission and vibration of sound waves.

[0007] Preferably, a through hole is provided on the surface of the support rod, and the provision of the through hole can limit the bouncing of the support rod.

[0008] Preferably, the fixing member includes: a pressure rod, which passes through the fixed frame, a cross bar is fixedly installed on the surface of the pressure rod, the surface of the pressure rod is rotatably connected to the surface of the support plate, the surface of the support plate is provided with a heart-shaped groove, the surface of the support plate is fixedly connected to one end of spring one, the other end of spring one is fixedly installed on the surface of the cross block, the cross block is fixedly installed on the surface of the vertical plate, the vertical plate is fixedly installed on the surface of the fixed frame, and the support plate can move under the support of spring one.

[0009] Preferably, the surface of the cross block is hinged to the movable rod, a protrusion is fixedly mounted on the surface of the movable rod, the protrusion is slidably connected to the inner wall of the heart-shaped groove, the movable rod can be folded on the surface of the cross block, and the protrusion can slide in the heart-shaped groove.

[0010] Preferably, a sliding rod is fixedly installed on the surface of the support plate, and the sliding rod is slidably connected to the inner wall of the fixed frame. A clamping rod is fixedly installed on the surface of the sliding rod, and the clamping rod passes through the fixed frame and is slidably connected to the fixed frame. The surface of the clamping rod is fixedly connected to one end of spring two, and the other end of spring two is fixedly installed on the surface of the vertical plate. The sliding rod can move outside the fixed frame under the support of spring two.

[0011] Preferably, a rectangular through hole is provided on the surface of the fixing frame, and the rectangular through hole can prevent the pressure rod from popping out when the rectangular through hole forms a staggered shape with the cross bar.

[0012] Compared with the prior art, the utility model provides a high sound pressure level strong sound double diaphragm transducer, which has the following beneficial effects:

[0013] 1. The high sound pressure level strong sound double diaphragm transducer is provided with a control component. The protective plate contacts the surface of the diaphragm, the protective plate blocks the diaphragm, the support rod fixed on the surface of the horizontal plate contacts the surface of the transducer, the pressure rod is pressed, the support plate fixed on the surface of the pressure rod slides under the support of spring one, the protrusion slides in the heart-shaped groove, the movable rod fixed on the surface of the protrusion is folded on the surface of the horizontal block, the sliding rod fixed on the surface of the support plate drives the clamping rod to move outside the fixed frame under the support of spring two, the clamping rod is clamped into the through hole in the support rod, the protrusion moves from the tip of the heart-shaped groove to the recess for fixing, and the protective plate can stably protect the diaphragm to prevent dust from entering when not in use, thereby affecting the transmission and vibration of sound waves.

[0014] 2. The high sound pressure level strong sound double diaphragm transducer is provided with a cross bar. Since the pressure bar is rotatably connected to the surface of the cross plate, when the cross bar on the surface of the pressure bar forms a vertical angle with the through hole on the surface of the fixed frame, the pressure bar cannot be ejected from the fixed frame when the pressure bar is pressed, thereby preventing the protective plate from falling off due to operation by non-staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the transducer of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the control component of the utility model;

[0019] Figure 5 For this utility model Figure 4 A magnified schematic diagram of the structure in the middle.

[0020] In the figure: 1, transducer; 2, diaphragm; 3, control component; 31, telescopic rod; 32, horizontal plate; 33, protective plate; 34, support rod; 35, fixed frame; 36, fixing piece; 361, pressure rod; 362, horizontal rod; 363, support plate; 364, heart-shaped groove; 365, spring one; 366, horizontal block; 367, vertical plate; 368, movable rod; 369, protrusion; 3610, sliding rod; 3611, clamping rod; 3612, spring two. DETAILED DESCRIPTION

[0021] like Figure 1-5 As shown, the utility model provides a technical solution: a high sound pressure level strong sound double diaphragm transducer, comprising a transducer 1, a diaphragm 2 is fixedly mounted on the surface of the transducer 1, a control component 3 is arranged on the surface of the transducer 1, and the control component 3 comprises: a telescopic rod 31, a horizontal plate 32, a protective plate 33, a support rod 34, a fixing frame 35, and a fixing member 36;

[0022] The telescopic rod 31 is rotatably connected to the surface of the transducer 1, a horizontal plate 32 is fixedly installed on the surface of the telescopic rod 31, and a protective plate 33 is fixedly installed on the surface of the horizontal plate 32; the support rod 34 is fixedly installed on the surface of the horizontal plate 32; and the fixing frame 35 is fixedly installed on the surface of the transducer 1;

[0023] A fixing part 36 is also provided in the fixing frame 35. When the protective plate 33 fixed on the surface of the horizontal plate 32 contacts the surface of the diaphragm 2, the support rod 34 fixed on the surface of the horizontal plate 32 will synchronously contact the surface of the transducer 1, and then the pressure rod 361 is pressed, and the support plate 363 connected to the surface of the pressure rod 361 moves under the support of the spring 1 365, and the protrusion 369 slides in the heart-shaped groove 364. The movable rod 368 fixed on the surface of the protrusion 369 is folded on the surface of the cross block 366. The sliding rod 3610 fixed on the surface of the support plate 363 drives the clamping rod 3611 to move out of the fixing frame 35 under the support of the spring 2 3612. The clamping rod 3611 is clamped into the through hole in the support rod 34, and the protrusion 369 moves from the tip of the heart-shaped groove 364 to the recess for fixing. Then the protective plate 33 can stably protect the diaphragm 2 to prevent dust from entering when not in use, thereby affecting the transmission and vibration of sound waves.

[0024] A through hole is formed on the surface of the support rod 34 , and the provision of the through hole can limit the rebound of the support rod 34 .

[0025] The fixing member 36 includes: a pressure rod 361, which passes through the fixed frame 35. A cross bar 362 is fixedly installed on the surface of the pressure rod 361. The surface of the pressure rod 361 is rotatably connected to the surface of a support plate 363. A heart-shaped groove 364 is provided on the surface of the support plate 363. The surface of the support plate 363 is fixedly connected to one end of a spring 365. The other end of the spring 365 is fixedly installed on the surface of a cross block 366. The cross block 366 is fixedly installed on the surface of a vertical plate 367. The vertical plate 367 is fixedly installed on the surface of the fixed frame 35. When the pressure rod 361 moves into the fixed frame 35, the support plate 363 can move under the support of the spring 365.

[0026] The surface of the cross block 366 is hinged to the movable rod 368, and a protrusion 369 is fixedly installed on the surface of the movable rod 368. The protrusion 369 is slidably connected to the inner wall of the heart-shaped groove 364. The movable rod 368 can be folded on the surface of the cross block 366, and the protrusion 369 can slide in the heart-shaped groove 364.

[0027] A sliding rod 3610 is fixedly installed on the surface of the support plate 363, and the sliding rod 3610 is slidably connected to the inner wall of the fixed frame 35. A clamping rod 3611 is fixedly installed on the surface of the sliding rod 3610, and the clamping rod 3611 penetrates the fixed frame 35 and is slidably connected to the fixed frame 35. The surface of the clamping rod 3611 is fixedly connected to one end of the second spring 3612, and the other end of the second spring 3612 is fixedly installed on the surface of the vertical plate 367. When the support plate 363 moves, the sliding rod 3610 can move to the outside of the fixed frame 35 under the support of the second spring 3612.

[0028] A rectangular through hole is formed on the surface of the fixing frame 35 . The rectangular through hole can prevent the pressing rod 361 from popping out when the rectangular through hole forms a staggered shape with the cross rod 362 .

[0029] In the present invention, when it is necessary to protect the diaphragm 2 on the surface of the transducer 1, the telescopic rod 31 is rotated on the surface of the transducer 1, and the horizontal plate 32 fixed on the surface of the telescopic rod 31 can rotate synchronously. When the protective plate 33 fixed on the surface of the horizontal plate 32 is parallel to the diaphragm 2, the horizontal plate 32 is pressed, and the telescopic rod 31 is retracted. When the protective plate 33 fixed on the surface of the horizontal plate 32 contacts the surface of the diaphragm 2, the support rod 34 fixed on the surface of the horizontal plate 32 will be synchronously rotated. The surface of the transducer 1 is touched, and then the pressure rod 361 is pressed. The support plate 363 connected to the surface of the pressure rod 361 moves under the support of the spring 1 365, and the protrusion 369 slides in the heart-shaped groove 364. The movable rod 368 fixed to the surface of the protrusion 369 is folded on the surface of the cross block 366. The sliding rod 3610 fixed to the surface of the support plate 363 drives the clamping rod 3611 to move out of the fixed frame 35 under the support of the spring 2 3612. 1 is inserted into the through hole in the support rod 34, and the protrusion 369 is moved from the tip of the heart-shaped groove 364 to the concave position for fixing. Then, the protective plate 33 can stably protect the diaphragm 2 to prevent dust from entering when not in use and affecting the transmission and vibration of sound waves. After fixing, the pressure rod 361 is rotated, and the cross bar 362 fixed on the surface of the pressure rod 361 can form a cross-shaped staggered shape with the through hole. After staggering, it can prevent the protective plate 33 from falling off due to non-staff operation. When it is necessary to release To remove the restriction on the protective plate 33, rotate the pressure rod 361, keep the cross rod 362 parallel to the through hole, and then press the pressure rod 361, so that the support plate 363 moves under the support of the spring 1 365, and the protrusion 369 moves from the recess to the tip, thereby releasing the restriction on the support plate 363, and the locking rod 3611 can pop up under the support of the spring 2 3612 and move out of the through hole in the support rod 34, thereby releasing the restriction on the support rod 34, and the telescopic rod 31 can pop up.

[0030] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A high sound pressure level strong sound double diaphragm transducer, comprising a transducer (1), characterized in that: A diaphragm (2) is fixedly mounted on the surface of the transducer (1), and a control component (3) is arranged on the surface of the transducer (1). The control component (3) comprises: A telescopic rod (31), the telescopic rod (31) being rotatably connected to the surface of the transducer (1), a transverse plate (32) being fixedly mounted on the surface of the telescopic rod (31), and a protective plate (33) being fixedly mounted on the surface of the transverse plate (32); A support rod (34), wherein the support rod (34) is fixedly mounted on the surface of the transverse plate (32); A fixed frame (35), wherein the fixed frame (35) is fixedly mounted on the surface of the transducer (1); A fixing member (36), wherein a fixing member (36) is also arranged in the fixing frame (35).

2. The high sound pressure level strong sound double diaphragm transducer according to claim 1, characterized in that: A through hole is formed on the surface of the support rod (34).

3. The high sound pressure level strong sound double diaphragm transducer according to claim 1, characterized in that: The fixing member (36) comprises: a pressure rod (361), the pressure rod (361) passes through the fixing frame (35), a cross bar (362) is fixedly mounted on the surface of the pressure rod (361), the surface of the pressure rod (361) is rotatably connected to the surface of a support plate (363), a heart-shaped groove (364) is provided on the surface of the support plate (363), the surface of the support plate (363) is fixedly connected to one end of a spring (365), the other end of the spring (365) is fixedly mounted on the surface of a cross block (366), the cross block (366) is fixedly mounted on the surface of a vertical plate (367), and the vertical plate (367) is fixedly mounted on the surface of the fixing frame (35).

4. The high sound pressure level strong sound double diaphragm transducer according to claim 3, characterized in that: The surface of the transverse block (366) is hinged to the movable rod (368), and a protrusion (369) is fixedly installed on the surface of the movable rod (368), and the protrusion (369) is slidably connected to the inner wall of the heart-shaped groove (364).

5. The high sound pressure level strong sound double diaphragm transducer according to claim 3, characterized in that: A sliding rod (3610) is fixedly mounted on the surface of the support plate (363), and the sliding rod (3610) is slidably connected to the inner wall of the fixed frame (35). A clamping rod (3611) is fixedly mounted on the surface of the sliding rod (3610), and the clamping rod (3611) passes through the fixed frame (35) and is slidably connected to the fixed frame (35). The surface of the clamping rod (3611) is fixedly connected to one end of a second spring (3612), and the other end of the second spring (3612) is fixedly mounted on the surface of the vertical plate (367).

6. The high sound pressure level strong sound double diaphragm transducer according to claim 1, characterized in that: A rectangular through hole is provided on the surface of the fixing frame (35).

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