CN115396793B - High-amplitude loudspeaker with self-pressure relief function - Google Patents
High-amplitude loudspeaker with self-pressure relief function Download PDFInfo
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- CN115396793B CN115396793B CN202211062670.7A CN202211062670A CN115396793B CN 115396793 B CN115396793 B CN 115396793B CN 202211062670 A CN202211062670 A CN 202211062670A CN 115396793 B CN115396793 B CN 115396793B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Acoustics & Sound (AREA)
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
The invention discloses a high-amplitude loudspeaker with self-pressure relief function, which belongs to the technical field of high-amplitude loudspeakers and comprises a loudspeaker main body and a sound cavity, wherein a snake-shaped heat-conducting pipe is fixedly arranged at the front side of the left end of the loudspeaker main body, the rear end of the snake-shaped heat-conducting pipe is communicated with the sound cavity, a pressure relief mechanism is arranged at the top end of the snake-shaped heat-conducting pipe and is used for pumping out part of gas in the sound cavity through the snake-shaped heat-conducting pipe when the temperature in the sound cavity rises, a circulating mechanism is arranged at the upper side of the snake-shaped heat-conducting pipe and is used for accelerating the circulation of the gas in the sound cavity and the gas in the snake-shaped heat-conducting pipe when the pressure relief mechanism is used for pressure relief, and the problems that the existing high-amplitude loudspeaker is inconvenient in pressure relief and does not have a cooling function are solved.
Description
Technical Field
The invention relates to the technical field of high-amplitude loudspeakers, in particular to a high-amplitude loudspeaker with self-pressure relief function.
Background
The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the audio electric energy makes a cone or a diaphragm vibrate and generate resonance with surrounding air to make a sound through electromagnetic, piezoelectric or electrostatic effects; the high amplitude speaker increases the sound pressure and power of the speaker by increasing the amplitude. The back sound chamber of traditional Gao Zhenfu speaker has two kinds, one is the back sound chamber of taking the atmospheric pressure hole, one is airtight back sound chamber, the speaker produces heat at the during operation, back sound chamber air begins thermal expansion, produce air pressure, the pressure value continuously increases, inflation gas begins to oppress the speaker vibrating diaphragm, cause vibrating diaphragm vibration unbalance, produce and shake sound and the tiny sound phenomenon, above-mentioned phenomenon is more obvious in the speaker of airtight back sound chamber, and the high amplitude speaker in area atmospheric pressure hole often uses waterproof sound insulation membrane to seal the pressure release hole, waterproof sound membrane that leads to has dustproof and waterproof, ventilative pressure release, micropore exhaust, characteristics such as pressure balance.
In the prior art, dust in the air can adhere to the surface of waterproof sound insulation membrane, and the long-time accumulation of dust can influence the air permeability of waterproof sound insulation membrane to reduced the release effect of device, caused inconvenience for the use of speaker, secondly the sound intracavity keeps higher temperature for a long time can cause the damage to the original paper of speaker, and current high-amplitude speaker pressure release is inconvenient and does not possess the cooling function.
Based on the above, the invention designs a high-amplitude loudspeaker with self-pressure relief so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a loudspeaker with high amplitude and self-pressure relief and a testing method, which are convenient for pressure relief and have a cooling function, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-amplitude loudspeaker of taking from pressure release, includes speaker main part, sound cavity, speaker main part's left end front side fixed mounting has snakelike heat pipe, the rear end of snakelike heat pipe is linked together with the sound cavity, the top of snakelike heat pipe is provided with pressure release mechanism, pressure release mechanism is used for when the temperature in the sound cavity risees, takes out the partial gas in the sound cavity through snakelike heat pipe, the upside of snakelike heat pipe is provided with circulation mechanism, circulation mechanism is used for when pressure release mechanism carries out the pressure release, quickens the gas circulation in the sound cavity and the snakelike heat pipe;
as a further scheme of the invention, the pressure release mechanism comprises a mounting box fixedly mounted on the front side of the left end of the loudspeaker main body, an opening at the top of the front end of the serpentine heat-conducting pipe is communicated with the front end of the mounting box, a first piston plate is slidingly connected to the inner side of the mounting box, a driving mechanism is arranged on the inner side of the sound cavity and used for driving the first piston plate to move according to the temperature change in the sound cavity, a gas pipe is fixedly mounted at the rear end of the mounting box, the rear end of the gas pipe is communicated with the sound cavity, a capacity expansion mechanism is arranged at the top of the rear end of the mounting box and used for sealing the gas pipe when the temperature in the sound cavity is not changed, and expanding the space for accommodating air in the mounting box when the temperature in the sound cavity is increased, and a sealing mechanism is arranged on the outer side of the mounting box and used for preventing gas in the mounting box from leaking from the joint of the first piston plate and the mounting box when the driving mechanism drives the first piston plate to move;
as a further scheme of the invention, the driving mechanism comprises a spiral heat conduction pipe fixedly arranged at the inner side of the sound cavity, the top of the rear end of the spiral heat conduction pipe penetrates through the loudspeaker main body and is fixedly provided with a piston box, the piston box is communicated with the spiral heat conduction pipe, the inner side of the piston box is connected with a second piston plate in a sliding manner, the top end of the second piston plate is fixedly provided with a push-pull rod, the left end of the push-pull rod is hinged with a first hinging rod, the left end of the first piston plate is fixedly provided with a first connecting rod, the left end of the first connecting rod penetrates through the installation box and is connected with the installation box in a sliding manner, and the other end of the first hinging rod is hinged with the left end of the first connecting rod;
as a further scheme of the invention, the capacity expansion mechanism comprises a capacity expansion box fixedly arranged at the top of the rear end of the installation box, a third piston plate is connected to the inner side of the capacity expansion box in a sliding manner, a shielding plate is fixedly arranged at the bottom of the rear end of the third piston plate, the front end opening of the gas pipe is sealed by the rear side of the bottom end of the shielding plate, a transmission rod is fixedly arranged at the top end of the third piston plate, a second hinging rod is hinged at the top end of the transmission rod, a second connecting rod is fixedly arranged at the top end of the first piston plate, the top end of the second connecting rod penetrates through the installation box and is connected with the installation box in a sliding manner, and the other end of the second hinging rod is hinged with the top end of the second connecting rod;
as a further scheme of the invention, the sealing mechanism comprises a first sealing plate fixedly arranged at the front end and the rear end of a first connecting rod, the first sealing plate at the front side is positioned at the left end of the mounting box and is tightly attached to the mounting box, the first sealing plate at the rear side is positioned at the inner side of the left end of the mounting box and is tightly attached to the mounting box, the rear end of the first sealing plate at the rear side penetrates through the mounting box and is in sliding connection with the mounting box, the second sealing plate is fixedly arranged at the front end and the rear end of a second connecting rod, the second sealing plate at the front side is positioned at the top end of the mounting box and is tightly attached to the mounting box, the second sealing plate at the rear side is positioned at the inner side of the top end of the mounting box and is in sliding connection with the mounting box, and the rear end of the second sealing plate at the rear side penetrates through the mounting box and is in sliding connection with the mounting box;
as a further scheme of the invention, the circulating mechanism comprises a circulating heat pipe fixedly arranged at the front side of the top end of the loudspeaker main body, the rear end of the circulating heat pipe is communicated with the sound cavity, the front end of the circulating heat pipe is communicated with the top of the front end of the serpentine heat pipe, the inner side of the top end of the sound cavity is rotationally connected with a rotating rod, the bottom end of the rotating rod is fixedly provided with a rotating fan blade, the front end of the rotating fan blade corresponds to the opening of the rear end of the circulating heat pipe, and the rear side of the rotating rod is provided with a synchronizing mechanism which is used for driving the rotating rod to rotate when the first sealing plate moves;
as a further scheme of the invention, the synchronous mechanism comprises a limiting rod fixedly arranged at the inner side of the top end of the sound cavity, the front end of the limiting rod is connected with a rack in a sliding manner, the outer side of the rotating rod is fixedly provided with a gear which is meshed with the rack, the rear end of the first sealing plate at the rear side penetrates through the loudspeaker main body and is connected with the loudspeaker main body in a sliding manner, the bottom of the rear end of the first sealing plate at the rear side is hinged with a third hinging rod, and the other end of the third hinging rod is hinged with the middle part of the top end of the rack;
compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the pressure release mechanism is arranged, when the temperature and the air pressure in the sound cavity are increased, the driving mechanism detects the temperature increase in the sound cavity and drives the first piston plate to move backwards, and at the moment, the serpentine heat-conducting pipe slowly extracts the air in the sound cavity, so that the air pressure in the sound cavity is reduced; the higher the temperature in the sound cavity is, the larger the displacement of the first piston plate is, and the more the air pressure is extracted from the sound cavity, so that the pressure balance in the sound cavity is adjusted according to the temperature change, the convenience is provided for the pressure relief operation of the sound cavity, and the problem of inconvenient pressure relief of the existing high-amplitude loudspeaker is solved.
2. According to the invention, the capacity expansion mechanism is arranged, the first piston plate moves backwards, the capacity of the installation box is gradually increased through the capacity expansion mechanism, and at the moment, the volume increase of the installation box is smaller than the reduction of the space formed by the rear end of the first piston plate and the installation box, so that normal-temperature gas in the space formed by the rear end of the first piston plate and the installation box is conveyed into the sound cavity through the gas conveying pipe, and the cooling of the sound cavity is realized.
3. According to the invention, the circulating mechanism is arranged, so that the cooling gas in the serpentine heat conduction pipe and the high-temperature gas in the sound cavity are exchanged in a starting process of the first piston plate moving backwards, the serpentine heat conduction pipe continuously dissipates the heat of the gas entering the serpentine heat conduction pipe, the gas in the sound cavity is continuously cooled, the electronic element in the sound cavity is prevented from being damaged due to high temperature, and the problem that the existing high-amplitude loudspeaker does not have a cooling function is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view showing the sectional structure of the internal structure of the invention in elevation view;
FIG. 4 is a schematic cross-sectional view of the internal structure of the side view of the present invention;
FIG. 5 is a schematic view of a connection structure between a first seal plate and a speaker body according to the present invention;
FIG. 6 is a schematic view of a circulating heat pipe and rotary fan blades according to the present invention;
FIG. 7 is a schematic view showing a connection structure of the first sealing plate and the rotating rod in the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a speaker main body; 2. a sound cavity; 3. serpentine heat conducting pipe; 4. a mounting box; 5. a first piston plate; 6. a gas pipe; 7. a spiral heat pipe; 8. a piston box; 9. a second piston plate; 10. a push-pull rod; 11. a first hinge lever; 12. a first connecting rod; 13. a capacity expansion box; 14. a third piston plate; 15. a shielding plate; 16. a transmission rod; 17. a second hinge lever; 18. a second connecting rod; 19. a first sealing plate; 20. a second sealing plate; 21. a circulating heat pipe; 22. a rotating lever; 23. rotating the fan blades; 24. a limit rod; 25. a rack; 26. a gear; 27. and a third hinging rod.
Detailed Description
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a high-amplitude loudspeaker with self-pressure relief, including speaker main part 1, sound cavity 2, speaker main part 1's left end front side fixed mounting has snakelike heat pipe 3, snakelike heat pipe 3's rear end is linked together with sound cavity 2, snakelike heat pipe 3's top is provided with pressure release mechanism, pressure release mechanism is used for when the temperature in the sound cavity 2 risees, take the partial gas in the sound cavity 2 through snakelike heat pipe 3 out, snakelike heat pipe 3's upside is provided with circulation mechanism, circulation mechanism is used for when pressure release mechanism carries out the pressure release, accelerate the gas circulation in sound cavity 2 and the gas in the snakelike heat pipe 3;
the pressure release mechanism comprises a mounting box 4 fixedly mounted on the front side of the left end of the loudspeaker main body 1, an opening at the top of the front end of the serpentine heat-conducting pipe 3 is communicated with the front end of the mounting box 4, a first piston plate 5 is slidably connected to the inner side of the mounting box 4, a driving mechanism is arranged on the inner side of the sound cavity 2 and used for driving the first piston plate 5 to move according to the temperature change in the sound cavity 2, a gas pipe 6 is fixedly mounted at the rear end of the mounting box 4, the rear end of the gas pipe 6 is communicated with the sound cavity 2, a capacity expansion mechanism is arranged at the top of the rear end of the mounting box 4 and used for sealing the gas pipe 6 when the temperature in the sound cavity 2 does not change, the space for accommodating air in the mounting box 4 is expanded when the temperature in the sound cavity 2 rises, a sealing mechanism is arranged on the outer side of the mounting box 4 and used for preventing gas in the mounting box 4 from leaking from the joint of the first piston plate 5 and the mounting box 4 when the driving mechanism drives the first piston plate 5 to move;
when the temperature and the air pressure in the sound cavity 2 are increased during operation, the driving mechanism detects the temperature increase in the sound cavity 2 and drives the first piston plate 5 to move backwards, and the first piston plate 5 moves to enlarge the space between the front end of the first piston plate 5 and the mounting box 4, so that the air in the sound cavity 2 is slowly pumped out through the serpentine heat-conducting pipe 3, and the air pressure in the sound cavity 2 is reduced; the higher the temperature in the sound cavity 2 is, the larger the displacement of the first piston plate 5 is, and the more the air pressure is extracted from the sound cavity 2, so that the pressure balance in the sound cavity 2 is adjusted according to the temperature change, and the convenience is provided for the pressure relief operation of the sound cavity 2; the space enclosed by the front end of the first piston plate 5 and the mounting box 4, the sound cavity 2 and the serpentine heat conduction pipe 3 together form a closed space, so that external dust and water vapor are prevented from entering the sound cavity 2, the electronic components of the loudspeaker main body 1 are prevented from being influenced, the service life of the loudspeaker main body 1 is prolonged, meanwhile, the traditional pressure relief holes are prevented from being blocked after long-time use, people do not need to clean the waterproof sound passing film at the pressure relief holes at regular intervals, the use of the loudspeaker main body 1 is facilitated, and the problem of inconvenience in pressure relief of the traditional high-amplitude loudspeaker is solved;
when the first piston plate 5 moves backwards, the expansion mechanism does not seal the air pipe 6, the first piston plate 5 moves backwards to gradually increase the volume of the mounting box 4 through the expansion mechanism, and at the moment, the volume increase of the mounting box 4 is smaller than the volume decrease of a space formed by the rear end of the first piston plate 5 and the mounting box 4, so that normal-temperature air in the space formed by the rear end of the first piston plate 5 and the mounting box 4 is conveyed into the sound cavity 2 through the air pipe 6, and the temperature reduction of the sound cavity 2 is realized; by arranging the capacity expansion mechanism, the amount of gas entering and exiting the sound cavity 2 from the gas pipe 6 is smaller than the amount of air extraction at the rear end of the serpentine heat-conducting pipe 3, so that the pressure release operation of the sound cavity 2 is not influenced;
when the first piston plate 5 moves backwards, the circulation mechanism starts to accelerate the exchange of cooling gas in the serpentine heat-conducting pipe 3 and high-temperature gas in the sound cavity 2, the serpentine heat-conducting pipe 3 continuously dissipates heat of gas entering the serpentine heat-conducting pipe 3, so that the gas in the sound cavity 2 is continuously cooled, the electronic components in the sound cavity 2 are prevented from being damaged due to high temperature, and the problem that the existing high-amplitude loudspeaker does not have a cooling function is solved.
As a further scheme of the invention, the driving mechanism comprises a spiral heat-conducting pipe 7 fixedly arranged at the inner side of the sound cavity 2, the top of the rear end of the spiral heat-conducting pipe 7 penetrates through the loudspeaker main body 1 and is fixedly provided with a piston box 8, the piston box 8 is communicated with the spiral heat-conducting pipe 7, the inner side of the piston box 8 is in sliding connection with a second piston plate 9, the top end of the second piston plate 9 is fixedly provided with a push-pull rod 10, the left end of the push-pull rod 10 is hinged with a first hinging rod 11, the left end of the first piston plate 5 is fixedly provided with a first connecting rod 12, the left end of the first connecting rod 12 penetrates through the mounting box 4 and is in sliding connection with the mounting box, and the other end of the first hinging rod 11 is hinged with the left end of the first connecting rod 12;
when the temperature of the gas in the sound cavity 2 is increased, the temperature of the gas in the sound cavity 2 is conducted into the spiral heat-conducting pipe 7 through the spiral heat-conducting pipe 7, so that the temperature of the gas in the spiral heat-conducting pipe 7 is increased and expanded, the gas in the spiral heat-conducting pipe 7 expands to push the second piston plate 9 and the push-pull rod 10 to move upwards, the push-pull rod 10 moves upwards to pull the first connecting rod 12 and the first piston plate 5 to move backwards through the first hinging rod 11, driving force is provided for the movement of the first piston plate 5, and the operation of all parts of the loudspeaker main body 1 is not influenced; the higher the temperature in the sound cavity 2 is, the larger the displacement amount of the second piston plate 9 is, so that the displacement amount of the first piston plate 5 is driven to be larger, the pressure balance in the sound cavity 2 is adjusted according to the temperature change, and the convenience is brought to the pressure relief operation of the sound cavity 2.
As a further scheme of the invention, the capacity expansion mechanism comprises a capacity expansion box 13 fixedly arranged at the top of the rear end of the mounting box 4, a third piston plate 14 is connected to the inner side of the capacity expansion box 13 in a sliding manner, a shielding plate 15 is fixedly arranged at the bottom of the rear end of the third piston plate 14, the front end opening of the air pipe 6 is closed by the rear side of the bottom end of the shielding plate 15, a transmission rod 16 is fixedly arranged at the top end of the third piston plate 14, a second hinging rod 17 is hinged at the top end of the transmission rod 16, a second connecting rod 18 is fixedly arranged at the top end of the first piston plate 5, the top end of the second connecting rod 18 penetrates through the mounting box 4 and is connected with the mounting box in a sliding manner, and the other end of the second hinging rod 17 is hinged with the top end of the second connecting rod 18;
when the device works, the first piston plate 5 moves backwards, the transmission rod 16 and the third piston plate 14 are driven to move upwards by the second connecting rod 18 and the second hinging rod 17, part of gas in a space formed by the rear end of the first piston plate 5 and the mounting box 4 is pumped into the piston box 8 by the upward movement of the third piston plate 14, the increase of the space occupied by the gas in the piston box 8 is smaller than the decrease of the space formed by the rear end of the first piston plate 5 and the mounting box 4, and therefore normal-temperature gas in the space formed by the rear end of the first piston plate 5 and the mounting box 4 is conveyed into the sound cavity 2 through the gas conveying pipe 6, and the temperature of the sound cavity 2 is reduced; through setting up shielding plate 15 for when initial state, the gas in sound chamber 2 and the gas in the space that first piston plate 5 rear end and mounting box 4 enclose are in the state of separation, make speaker main part 1 can not directly heat the gas in the space that first piston plate 5 rear end and mounting box 4 enclose when the operation, have made things convenient for follow-up to blow in normal atmospheric temperature gas to the sound chamber 2 and cool down.
As a further scheme of the invention, the sealing mechanism comprises a first sealing plate 19 fixedly arranged at the front end and the rear end of the first connecting rod 12, the front first sealing plate 19 is positioned at the left end of the mounting box 4 and is tightly attached to the mounting box 4, the rear first sealing plate 19 is positioned at the inner side of the left end of the mounting box 4 and is tightly attached to the mounting box 4, the rear end of the rear first sealing plate 19 penetrates through the mounting box 4 and is in sliding connection with the mounting box 4, the front and the rear ends of the second connecting rod 18 are fixedly provided with second sealing plates 20, the front second sealing plate 20 is positioned at the top end of the mounting box 4 and is tightly attached to the mounting box 4, and the rear second sealing plate 20 is positioned at the inner side of the top end of the mounting box 4 and is tightly attached to the mounting box 4, and the rear end of the rear second sealing plate 20 penetrates through the mounting box 4 and is in sliding connection with the mounting box 4;
when the device works, the two first sealing plates 19 shield holes at the joint of the first connecting rod 12 and the mounting box 4, so that gas in the mounting box 4 is prevented from leaking outwards from the joint of the first connecting rod 12 and the mounting box 4; the two second sealing plates 20 shield the holes at the joint of the second connecting rod 18 and the installation box 4, so that the gas in the installation box 4 is prevented from leaking outwards from the joint of the second connecting rod 18 and the installation box 4; meanwhile, external dust and water vapor are prevented from entering from holes on the surface of the installation box 4, and the gas inside the installation box 4 is prevented from being polluted.
As a further scheme of the invention, the circulating mechanism comprises a circulating heat pipe 21 fixedly arranged at the front side of the top end of the loudspeaker main body 1, the rear end of the circulating heat pipe 21 is communicated with the sound cavity 2, the front end of the circulating heat pipe is communicated with the top of the front end of the serpentine heat pipe 3, the inner side of the top end of the sound cavity 2 is rotationally connected with a rotating rod 22, the bottom end of the rotating rod 22 is fixedly provided with a rotating fan blade 23, the front end of the rotating fan blade 23 corresponds to the opening of the rear end of the circulating heat pipe 21, and the rear side of the rotating rod 22 is provided with a synchronizing mechanism which is used for driving the rotating rod 22 to rotate when the first sealing plate 19 moves;
during operation, the first piston plate 5 moves to drive the first sealing plate 19 to move through the first connecting rod 12, the first sealing plate 19 moves to drive the rotating rod 22 to rotate through the synchronizing mechanism, the rotating rod 22 rotates to drive the rotating fan blades 23 to rotate, the rotating fan blades 23 rotate to enable the air flow at the rear end opening of the circulating heat conducting tube 21 to be accelerated, high-temperature air in the sound cavity 2 enters from the rear end of the serpentine heat conducting tube 3, enters into the mounting box 4 and the circulating heat conducting tube 21 through cooling of the serpentine heat conducting tube 3, part of cooled air enters from the front end of the circulating heat conducting tube 21 and is discharged into the sound cavity 2 from the rear end opening, cooling air in the serpentine heat conducting tube 3 is continuously cooled with the air entering into the sound cavity 2, accordingly the air in the sound cavity 2 is continuously cooled, electronic elements in the sound cavity 2 are prevented from being damaged due to high temperature, and the problem that the existing high-amplitude loudspeaker does not have a cooling function is solved.
As a further scheme of the invention, the synchronous mechanism comprises a limiting rod 24 fixedly arranged at the inner side of the top end of the sound cavity 2, a rack 25 is slidably connected to the front end of the limiting rod 24, a gear 26 is fixedly arranged at the outer side of the rotating rod 22, the gear 26 is meshed with the rack 25, the rear end of a rear first sealing plate 19 penetrates through the loudspeaker main body 1 and is slidably connected with the loudspeaker main body, a third hinging rod 27 is hinged to the bottom of the rear end of the rear first sealing plate 19, and the other end of the third hinging rod 27 is hinged to the middle of the top end of the rack 25;
in operation, taking the backward movement of the first sealing plate 19 as an example, the backward movement of the first sealing plate 19 pulls the rack 25 to move leftwards through the third hinging rod 27, and at this time, the front end of the limiting rod 24 limits the rack 25, so that the rack 25 can only keep moving horizontally and the stability of the rack 25 in moving is increased, the rack 25 moves to drive the rotating rod 22 to rotate through the gear 26, and therefore the rotating rod 22 is driven to rotate through the first piston plate 5 and the first sealing plate 19 when the temperature in the sound cavity 2 changes.
Claims (2)
1. The utility model provides a high-amplitude area is from speaker of pressure release, includes speaker main part (1), sound chamber (2), its characterized in that: the loudspeaker comprises a loudspeaker main body (1), wherein a snake-shaped heat conducting pipe (3) is fixedly arranged at the front side of the left end of the loudspeaker main body (1), the rear end of the snake-shaped heat conducting pipe (3) is communicated with a sound cavity (2), a pressure relief mechanism is arranged at the top end of the snake-shaped heat conducting pipe (3) and is used for pumping out part of gas in the sound cavity (2) through the snake-shaped heat conducting pipe (3) when the temperature in the sound cavity (2) rises, a circulating mechanism is arranged at the upper side of the snake-shaped heat conducting pipe (3), and the circulating mechanism is used for accelerating the gas circulation in the sound cavity (2) and the gas circulation in the snake-shaped heat conducting pipe (3) when the pressure relief mechanism is used for relieving pressure;
the pressure release mechanism comprises a mounting box (4) fixedly mounted on the front side of the left end of a loudspeaker main body (1), an opening at the top of the front end of a serpentine heat-conducting pipe (3) is communicated with the front end of the mounting box (4), a first piston plate (5) is connected to the inner side of the mounting box (4) in a sliding mode, a driving mechanism is arranged on the inner side of the sound cavity (2) and used for driving the first piston plate (5) to move according to the change of the temperature in the sound cavity (2), a gas pipe (6) is fixedly mounted at the rear end of the mounting box (4), the rear end of the gas pipe (6) is communicated with the sound cavity (2), a capacity expansion mechanism is arranged at the top of the rear end of the mounting box (4) and used for sealing the gas pipe (6) when the temperature in the sound cavity (2) is not changed, a space for accommodating air in the mounting box (4) is enlarged when the temperature in the sound cavity (2) is increased, and a sealing mechanism is arranged on the outer side of the mounting box (4) and used for driving the piston plate (5) to not leak when the first piston plate (5) is connected with the first piston plate (5) and the piston plate (5) to move;
the driving mechanism comprises a spiral heat-conducting pipe (7) fixedly arranged at the inner side of the sound cavity (2), the top of the rear end of the spiral heat-conducting pipe (7) penetrates through the loudspeaker main body (1) and is fixedly provided with a piston box (8), the piston box (8) is communicated with the spiral heat-conducting pipe (7), the inner side of the piston box (8) is connected with a second piston plate (9) in a sliding manner, the top end of the second piston plate (9) is fixedly provided with a push-pull rod (10), the left end of the push-pull rod (10) is hinged with a first hinging rod (11), the left end of the first piston plate (5) is fixedly provided with a first connecting rod (12), the left end of the first connecting rod (12) penetrates through the mounting box (4) and is connected with the first hinging rod in a sliding manner, and the other end of the first hinging rod (11) is hinged with the left end of the first connecting rod (12);
the expansion mechanism comprises an expansion box (13) fixedly arranged at the top of the rear end of a mounting box (4), a third piston plate (14) is connected to the inner side of the expansion box (13) in a sliding manner, a shielding plate (15) is fixedly arranged at the bottom of the rear end of the third piston plate (14), the front end opening of a gas pipe (6) is sealed at the rear side of the bottom end of the shielding plate (15), a transmission rod (16) is fixedly arranged at the top end of the third piston plate (14), a second hinging rod (17) is hinged to the top end of the transmission rod (16), a second connecting rod (18) is fixedly arranged at the top end of the first piston plate (5), the top end of the second connecting rod (18) penetrates through the mounting box (4) and is connected with the mounting box in a sliding manner, and the other end of the second hinging rod (17) is hinged to the top end of the second connecting rod (18);
the sealing mechanism comprises a first sealing plate (19) fixedly arranged at the front end and the rear end of a first connecting rod (12), the first sealing plate (19) at the front side is positioned at the left end of a mounting box (4) and is tightly attached to the mounting box, the first sealing plate (19) at the rear side is positioned at the inner side of the left end of the mounting box (4) and is tightly attached to the mounting box, the rear end of the first sealing plate (19) at the rear side penetrates through the mounting box (4) and is in sliding connection with the mounting box, a second sealing plate (20) is fixedly arranged at the front end and the rear end of a second connecting rod (18), the second sealing plate (20) at the front side is positioned at the top end of the mounting box (4) and is tightly attached to the mounting box, the second sealing plate (20) at the rear side is positioned at the inner side of the top end of the mounting box (4) and is in sliding connection with the mounting box (4);
the circulating mechanism comprises a circulating heat pipe (21) fixedly arranged at the front side of the top end of a loudspeaker main body (1), the rear end of the circulating heat pipe (21) is communicated with a sound cavity (2) and the front end of the circulating heat pipe is communicated with the top of the front end of a snake-shaped heat pipe (3), a rotating rod (22) is rotatably connected to the inner side of the top end of the sound cavity (2), a rotating fan blade (23) is fixedly arranged at the bottom end of the rotating rod (22), the front end of the rotating fan blade (23) corresponds to the opening at the rear end of the circulating heat pipe (21), and a synchronizing mechanism is arranged at the rear side of the rotating rod (22) and used for driving the rotating rod (22) to rotate when a first sealing plate (19) moves.
2. A high amplitude self-venting speaker as defined in claim 1, wherein: the synchronous mechanism comprises a limiting rod (24) fixedly installed on the inner side of the top end of the sound cavity (2), a rack (25) is slidably connected to the front end of the limiting rod (24), a gear (26) is fixedly installed on the outer side of the rotating rod (22), the gear (26) is meshed with the rack (25), the rear end of the first sealing plate (19) penetrates through the loudspeaker main body (1) and is slidably connected with the loudspeaker main body, a third hinging rod (27) is hinged to the bottom of the rear end of the first sealing plate (19), and the other end of the third hinging rod (27) is hinged to the middle of the top end of the rack (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211062670.7A CN115396793B (en) | 2022-08-31 | 2022-08-31 | High-amplitude loudspeaker with self-pressure relief function |
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| CN202211062670.7A CN115396793B (en) | 2022-08-31 | 2022-08-31 | High-amplitude loudspeaker with self-pressure relief function |
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| CN115396793B true CN115396793B (en) | 2023-05-19 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309891A (en) * | 2018-09-27 | 2019-02-05 | 歌尔科技有限公司 | A kind of audio frequency apparatus and its effect adjusting method |
| CN111510801A (en) * | 2019-05-22 | 2020-08-07 | 汉得利（常州）电子股份有限公司 | Miniature loudspeaker sound box with ultra-thin and ultra-low frequency structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105516870A (en) * | 2016-02-29 | 2016-04-20 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN110234042A (en) * | 2019-07-12 | 2019-09-13 | 刘世阳 | From pressure release water-proof loudspeaker |
| CN213126464U (en) * | 2020-09-25 | 2021-05-04 | 瑞声科技(新加坡)有限公司 | Sound production monomer and speaker box |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309891A (en) * | 2018-09-27 | 2019-02-05 | 歌尔科技有限公司 | A kind of audio frequency apparatus and its effect adjusting method |
| CN111510801A (en) * | 2019-05-22 | 2020-08-07 | 汉得利（常州）电子股份有限公司 | Miniature loudspeaker sound box with ultra-thin and ultra-low frequency structure |
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