CN113453129B

CN113453129B - High-sensitivity mediant loudspeaker

Info

Publication number: CN113453129B
Application number: CN202110773893.3A
Authority: CN
Inventors: 怀治强
Original assignee: Jiashan Case Electronic Co ltd
Current assignee: Jiashan Case Electronic Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-07-05
Anticipated expiration: 2041-07-08
Also published as: CN113453129A

Abstract

The invention discloses a high-sensitivity mediant loudspeaker which comprises a basin frame, a basin cover and a diaphragm, wherein the basin cover is connected to the top end of the basin frame, the diaphragm and the basin cover are integrally formed, a voice coil is arranged in the basin frame, a coil is circumferentially wound on the voice coil, a lower iron core is inserted into the lower end of the voice coil, an upper iron core is inserted into the upper end of the voice coil, and a sliding groove for slidably inserting the lower iron core and the lower iron core is formed in the middle of the voice coil. Has the advantages that: when the external power supply is switched on, the coil generates an alternating magnetic field under the action of current, the voice coil slides between the lower iron core and the upper iron core under the magnetic action of the lower iron core and the upper iron core, when the voice coil slides towards the lower iron core, the air bag is extruded, and cooling water is filled in the air bag, so that the cooling water passes through the radiating pipe, the surface of the coil is cooled, and when the voice coil continues to be pressed downwards, the water pressure extrudes the heat exchange rod, the heat exchange rod moves outwards and contacts with the voice coil, and the coil is further cooled.

Description

High-sensitivity mediant loudspeaker

Technical Field

The invention relates to the field of loudspeakers, in particular to a high-sensitivity mediant loudspeaker.

Background

The loudspeaker is a very common electroacoustic transducer, it can be seen in the electronic circuit of the sound, the loudspeaker is the weakest device in the electronic components, and for the sound effect, it is the most important device, the loudspeaker is of various kinds, and the price is very different, the audio frequency electric energy makes its cone or diaphragm vibrate the surrounding air through the electromagnetic, piezoelectric or electrostatic effect to cause the sound, the coil in the existing loudspeaker is directly sleeved on the iron core, when the coil connects the circuit, the heat is produced, the temperature of the coil rises, and when the coil is electrified and the iron core produces the relative movement, the friction is produced, also can cause the temperature rise, reduce the magnetism of the coil, has reduced the sensitivity of the loudspeaker, therefore propose a high sensitive middle-tone loudspeaker.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The present invention is directed to a high-sensitivity midrange speaker to solve the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-sensitivity mediant loudspeaker comprises a basin frame, a basin cover and a diaphragm, wherein the basin cover is connected to the top end of the basin frame, the diaphragm and the basin cover are integrally formed, a voice coil is arranged in the basin frame, a coil is wound around the voice coil in the circumferential direction, a lower iron core is inserted into the lower end of the voice coil, an upper iron core is inserted into the upper end of the voice coil, a chute for the lower iron core and the lower iron core to be slidably inserted is formed in the middle of the voice coil, an armature is connected to the upper end of the upper iron core, the upper end of the armature is connected with the middle of the diaphragm, a resonance plate is connected to the upper end of the diaphragm through a screw rod, threads at the bottom of the diaphragm are inserted into the top of the armature, an air bag is connected to the bottom end of the lower iron core, cooling water is injected into the air bag, a plurality of heat conduction copper pipes are fixedly arranged in the lower iron core, and the heat conduction copper pipes penetrate through the lower iron core and the air bag, just heat conduction copper pipe bottom is located inside the gasbag, the gasbag lateral wall is through sealed disassembly body connection cooling tube, the cooling tube is located one side of coil is equipped with a plurality of sleeve, the sleeve internalization is inserted and is equipped with the heat exchange rod, the heat exchange rod is located one end in the sleeve is connected with the guide bar, the circumference of guide bar has the spring around, spring one end with the heat exchange rod is connected, the mounting panel is connected to the spring other end, the mounting panel is installed on the cooling tube, be equipped with spring protection mechanism on the spring, upward be equipped with heat dissipation mechanism on the iron core, be equipped with positioning mechanism on the gasbag, the cooling tube lateral wall with connect through the support between the basin lid.

Further, basin frame top with connect through the screw between the basin lid, just screw bottom threaded sleeve is equipped with the nut, the heat conduction copper pipe is the equidistance annular and distributes, the heat transfer pole is close to the one end of coil is circular-arc structure, the coil with distance between the sleeve is less than the length of heat transfer pole.

Further, sealed disassembly body is including setting up connecting pipe on the gasbag, the cooling tube inserts in the connecting pipe, just be equipped with the sealing washer on the connecting pipe inner wall, the fixed cover of cooling tube surface is equipped with a sealed section of thick bamboo, the connecting pipe inserts in the sealed section of thick bamboo, just sealed section of thick bamboo inner wall is equipped with vice sealing washer, be equipped with on the connecting pipe with cooling tube assorted installation component.

Further, the installation component is established including fixed cover the screw thread section of thick bamboo of connecting pipe surface, the diameter of screw thread section of thick bamboo equals the diameter of a sealed section of thick bamboo, just the screw thread section of thick bamboo with sealed section of thick bamboo surface is external screw thread form, the screw thread section of thick bamboo with the common thread cover in sealed section of thick bamboo surface is equipped with an external screw thread section of thick bamboo, the inner wall of an external screw thread section of thick bamboo is internal thread form.

Further, spring protection mechanism establishes including the cover the water proof membrane of spring circumference, the heat exchange rod with connect through the auxiliary installation board between the guide bar, just the auxiliary installation board is fixed one of guide bar is served, the auxiliary installation board passes through the fix with screw on the heat exchange rod, the mounting panel is the T template, just seted up the confession on the cooling tube surface the mouth of wearing that the mounting panel passed, the mounting panel passes through the fix with screw on the cooling tube surface, the fixed cover of heat exchange rod surface is equipped with the piston.

Further, heat dissipation mechanism is including setting up the ballonet of armature bottom, the ballonet wraps up go up the iron core, go up the fixed vice heat conduction copper pipe that is equipped with on the iron core, vice heat conduction copper pipe one end is inserted inside going up the iron core, just the inside solid form that is of inserting end of vice heat conduction copper pipe, the vice heat conduction copper pipe other end is worn out inside the ballonet, be located inside the ballonet vice heat conduction copper pipe surface is equipped with the air inlet, extends go up the iron core outer wall vice heat conduction copper pipe is inside to be the cavity form, just the air inlet with the inside intercommunication setting of vice heat conduction copper pipe, heat conduction copper pipe is inside to be the cavity form, connect on the heat conduction copper pipe and be equipped with the pipe of wearing out the gasbag, the pipe connection vice heat conduction copper pipe.

Furthermore, the guide pipe is connected with the auxiliary heat conduction copper pipe through an auxiliary sealing and disassembling mechanism, and the structure of the auxiliary sealing and disassembling mechanism is the same as that of the sealing and disassembling mechanism.

Furthermore, the positioning mechanism comprises a positioning rod fixed at the bottom end of the radiating pipe, the positioning rod penetrates through the basin frame, the outer surface of the bottom of the positioning rod is in an external thread shape, and an auxiliary nut is sleeved at the bottom of the positioning rod.

Further, the confession has been seted up to basin frame bottom the trough that wears that the gasbag passed, gasbag bottom cover is equipped with auxiliary sleeve, auxiliary sleeve material is the copper sheathing, the fixed installation piece that is equipped with on the auxiliary sleeve outer wall, the installation piece passes through the fix with screw basin frame bottom, auxiliary sleeve bottom surface evenly distributed is equipped with the heat dissipation wing.

Furthermore, one end of the support is fixed on the outer side wall of the radiating tube, and the other end of the support is fixed on the basin cover through a screw.

Compared with the prior art, the invention has the following beneficial effects:

the high-sensitivity mediant loudspeaker has a simple structure, when an external power supply is switched on, a coil generates an alternating magnetic field under the action of current, under the magnetic action of a lower iron core and an upper iron core, a voice coil slides between the lower iron core and the upper iron core, when the voice coil slides to the lower iron core, an air bag is extruded, cooling water is filled in the air bag, the cooling water passes through a radiating pipe to cool the surface of the coil, when the voice coil continues to slide downwards, a heat exchange rod is extruded by water pressure and moves outwards to be in contact with the voice coil, the coil is further cooled, at ordinary times, a heat conduction copper pipe is arranged in the air bag, heat on the heat conduction copper pipe can be led into the cooling water, so that the lower iron core can not carry out heat exchange effect at all times, the basin frame and the basin cover are detachably arranged, when internal parts are damaged, the basin frame is convenient to take down, the internal parts are maintained, and a radiating mechanism is arranged on the upper iron core, have fine radiating effect to last iron core, the inside of further improvement voice coil loudspeaker voice coil is cooled down, fine cooling effect has been reached, sensitivity has been improved, and service life is prolonged simultaneously, sealed disassembly body connects cooling tube and gasbag, therefore convenient to detach cooling tube, spring or the whole change of cooling tube in gasbag and the cooling tube are convenient, the internals is convenient for maintain, spring protection mechanism protects the spring, avoid the cooling water to corrode the spring for a long time, cause the life greatly reduced of spring, thereby influence the life-span of this device, basin frame and basin lid are demountable installation, in order to protect the position accuracy nature behind the gasbag installation, consequently, positioning mechanism sets up, make the position after its gasbag installation unified.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front view of a high sensitivity midrange speaker according to an embodiment of the present invention;

FIG. 2 is a schematic view of the interior of a heat pipe of a high sensitivity mid-range speaker according to an embodiment of the present invention;

FIG. 3 is a schematic view of a sealing and mounting mechanism for a high sensitivity midrange speaker according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a heat dissipation mechanism of a high sensitivity mediant speaker according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a positioning mechanism for a high sensitivity midrange speaker according to an embodiment of the present invention;

fig. 6 is a schematic diagram of heat dissipation fins of a high sensitivity mediant loudspeaker according to an embodiment of the invention.

Reference numerals:

1. a basin stand; 2. a basin cover; 3. a membrane; 4. a voice coil; 5. a coil; 6. a lower iron core; 7. an upper iron core; 8. a chute; 9. an armature; 10. a soundboard; 11. an air bag; 12. a heat conducting copper tube; 13. a radiating pipe; 14. a sleeve; 15. a heat exchange rod; 16. a guide rod; 17. a spring; 18. mounting a plate; 19. a connecting pipe; 20. a seal ring; 21. a sealing cylinder; 22. a secondary seal ring; 23. a threaded barrel; 24. an externally threaded barrel; 25. a water-resistant film; 26. an auxiliary mounting plate; 27. a piston; 28. a ballonet; 29. an auxiliary heat conducting copper pipe; 30. an air inlet; 31. a conduit; 32. positioning a rod; 33. a secondary nut; 34. a sub-sleeve; 35. mounting a sheet; 36. heat dissipation fins; 37. and (4) a bracket.

Detailed Description

The invention is further described with reference to the following drawings and detailed description:

in order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-6, a high-sensitivity mediant loudspeaker according to an embodiment of the present invention includes a frame 1, a cover 2 and a diaphragm 3, the top end of the frame 1 is connected to the cover 2, the diaphragm 3 and the cover 2 are integrally formed, a voice coil 4 is disposed inside the frame 1, a coil 5 is circumferentially wound around the voice coil 4, a lower iron core 6 is inserted into the lower end of the voice coil 4, an upper iron core 7 is inserted into the upper end of the voice coil 4, a sliding slot 8 for slidably inserting the lower iron core 6 and the upper iron core 7 is disposed in the middle of the voice coil 4, the upper end of the upper iron core 7 is connected to an armature 9, the upper end of the armature 9 is connected to the middle of the diaphragm 3, the upper end of the diaphragm 3 is connected to a resonating plate 10 through a screw, the bottom of the diaphragm 3 is screwed into the top of the armature 9, the bottom end of the lower iron core 6 is connected to an airbag 11, the cooling water is injected in the air bag 11, a plurality of heat conduction copper pipes 12 are fixedly arranged inside the lower iron core 6, the heat conduction copper pipes 12 penetrate through the lower iron core 6 and the air bag 11, the bottoms of the heat conduction copper pipes 12 are positioned inside the air bag 11, the outer side wall of the air bag 11 is connected with the radiating pipes 13 through a sealing and disassembling mechanism, the radiating pipes 13 are positioned on one side of the coil 5, which is positioned on the radiating pipes 13, is provided with a plurality of sleeves 14, heat exchange rods 15 are movably inserted in the sleeves 14, one ends, which are positioned in the sleeves 14, of the heat exchange rods 15 are connected with guide rods 16, springs 17 are circumferentially wound on the guide rods 16, one ends of the springs 17 are connected with the heat exchange rods 15, the other ends of the springs 17 are connected with mounting plates 18, the mounting plates 18 are mounted on the radiating pipes 13, and spring protection mechanisms are arranged on the springs 17, the upper iron core 7 is provided with a heat dissipation mechanism, the air bag 11 is provided with a positioning mechanism, and the outer side wall of the heat dissipation pipe 13 is connected with the basin cover 2 through a support 37.

Example two:

referring to fig. 1 and 3, the top end of the basin frame 1 and the basin cover 2 are connected by a screw, a nut is sleeved on the bottom of the screw through a thread, the heat conducting copper tubes 12 are distributed in an equidistant annular shape, one end of the heat exchange rod 15 close to the coil 5 is in an arc-shaped structure, the distance between the coil 5 and the sleeve 14 is smaller than the length of the heat exchange rod 15, the sealing and detaching mechanism comprises a connecting tube 19 arranged on the air bag 11, the heat radiating tube 13 is inserted into the connecting tube 19, a sealing ring 20 is arranged on the inner wall of the connecting tube 19, a sealing tube 21 is fixedly sleeved on the outer surface of the heat radiating tube 13, the connecting tube 19 is inserted into the sealing tube 21, an auxiliary sealing ring 22 is arranged on the inner wall of the sealing tube 21, an installation component matched with the heat radiating tube 13 is arranged on the connecting tube 19, the installation component comprises a thread tube 23 fixedly sleeved on the outer surface of the connecting tube 19, the diameter of a screw thread section of thick bamboo 23 equals the diameter of a sealed section of thick bamboo 21, just a screw thread section of thick bamboo 23 with sealed section of thick bamboo 21 surface is the external screw thread form, a screw thread section of thick bamboo 23 with the common thread cover in sealed section of thick bamboo 21 surface is equipped with an external screw thread section of thick bamboo 24, the inner wall of an external screw thread section of thick bamboo 24 is the internal thread form.

Through the scheme of the invention, the beneficial effects are as follows: the basin frame 1 and the basin cover 2 are installed by screws, internal parts are convenient to maintain or replace after disassembly, the heat conducting copper pipes 12 are distributed in an equidistant annular shape, heat dissipation is uniform, one end of the heat exchange rod 15, which is close to the coil, is of an arc-shaped structure and has no edge angle, loss of the coil caused by collision is reduced, the distance between the coil and the sleeve is smaller than the length of the heat exchange rod 15, the heat exchange rod 15 cannot be separated from the sleeve 14, the connecting pipe 19 of the radiating pipe 13 is inserted into the sleeve, the outer surface of the insertion end of the radiating pipe 13 is wrapped by the sealing ring 20 to be hermetically installed, then the connecting pipe 19 is inserted into the sealing cylinder 21, the outer surface of the insertion end of the connecting pipe 19 is wrapped by the auxiliary sealing ring 22 to further realize sealed connection, finally the connecting pipe 19 and the radiating pipe 13 are butted, at the moment, the threaded cylinder 23 and the sealing cylinder 21 are butted, and finally, the threaded sleeve is sleeved at the butt joint of the threaded cylinder 23 and the sealing cylinder 21 through the external threaded cylinder 24 to play a role, note that, a part of the radiating pipe 13 itself is an extension hose, and the radiating pipe 13 is designed to be easily butt-jointed to the connection pipe 19.

Example three:

referring to fig. 2, the spring protection mechanism includes a waterproof film 25 sleeved on the circumference of the spring 17, the heat exchanging rod 15 is connected with the guide rod 16 through an auxiliary mounting plate 26, the auxiliary mounting plate 26 is fixed on one end of the guide rod 16, the auxiliary mounting plate 26 is fixed on the heat exchanging rod 15 through a screw, the mounting plate 18 is a T-shaped plate, a through hole for the mounting plate 18 to pass through is formed in the outer surface of the heat dissipating pipe 13, the mounting plate 18 is fixed on the outer surface of the heat dissipating pipe 13 through a screw, and a piston 27 is fixedly sleeved on the outer surface of the heat exchanging rod 15.

Through the scheme of the invention, the beneficial effects are as follows: piston 27's design, can prevent effectively that the cooling water from spilling through sleeve 14, mounting panel 18 passes through the fix with screw on cooling tube 13 surface, when changing piston 27, dismantle out the screw, take out its heat transfer pole 15, notice, piston 27 fixes through waterproof adhesive and glues at heat transfer pole 15 surface, water proof membrane 25 material is the rubber material, waterproof nature is good, avoid water to stay on the spring, cause the life of the rusty influence device of spring, and spring 17, water proof membrane 25, mounting panel 18, vice mounting panel 26 and guide bar 16 set up as an organic whole, when needing to be changed, the whole change.

Example four:

referring to fig. 4, the heat dissipation mechanism includes a sub-air bag 28 disposed at the bottom end of the armature 9, the auxiliary air bag 28 wraps the upper iron core 7, an auxiliary heat conduction copper pipe 29 is fixedly arranged on the upper iron core 7, one end of the auxiliary heat conduction copper pipe 29 is inserted into the upper iron core 7, the inside of the insertion end of the auxiliary heat conduction copper pipe 29 is solid, the other end of the auxiliary heat conduction copper pipe 29 penetrates through the inside of the auxiliary air bag 28, an air inlet 30 is arranged on the outer surface of the auxiliary heat conduction copper pipe 29 positioned in the auxiliary air bag 28, the inside of the auxiliary heat conduction copper pipe 29 extending out of the outer wall of the upper iron core 7 is hollow, the air inlet 30 is communicated with the inside of the auxiliary heat conduction copper pipe 29, the inside of the heat conduction copper pipe 12 is in a cavity shape, the heat conducting copper pipe 12 is connected with a guide pipe 31 penetrating out of the air bag 11, and the guide pipe 31 is connected with the auxiliary heat conducting copper pipe 29.

Through the scheme of the invention, the beneficial effects are as follows: voice coil 4 slides between iron core 6 and last iron core 7 down, when voice coil 4 upwards iron core 7 department slided, extrude ballonet 28, ballonet 28 is inside to receive the certain air current that the extrusion produced, vice heat conduction copper pipe 29 is heated, the inside heat of vice heat conduction copper pipe 29 is arranged to the pipe 31 in through the air current that the extrusion produced, finally arrange to in the heat conduction copper pipe 12, and heat conduction copper pipe 12 surface contact cooling water, consequently, certain iron core 7 heat dissipation effect of going up has, notice, need to set up the spring that resets in ballonet 28, extrude ballonet 28 after, reset through the spring that resets, the spring both ends that specifically reset all need to set up a thin board, this board sets up ballonet 28 inner wall, be convenient for prop up ballonet 28.

Example five:

referring to fig. 4, the conduit 31 and the auxiliary heat conducting copper tube 29 are connected by an auxiliary seal dismounting mechanism, and the structure of the auxiliary seal dismounting mechanism is the same as that of the seal dismounting mechanism.

Through the scheme of the invention, the beneficial effects are as follows: the structure of vice sealed disassembly body is the same with sealed disassembly body structure, but notice that, the connecting pipe on the vice sealed disassembly body just need not design, because this connecting pipe is replaced by pipe 31, remaining part sets up to normally design on vice heat conduction copper pipe 29 and pipe 31, finally also need design an external screw thread section of thick bamboo and a screw thread section of thick bamboo, establish vice heat conduction copper pipe 29 and pipe 31 thread cover and connect together, it also needs to notice that, the part of vice heat conduction copper pipe 29 part of self is flexible hose, the vice heat conduction copper pipe 29 of this design is convenient for carry out the butt joint installation with pipe 31.

Example six:

referring to fig. 5-6, the positioning mechanism includes a positioning rod 32 fixed at the bottom end of the heat dissipation pipe 13, the positioning rod 32 penetrates through the basin frame 1, the outer surface of the bottom of the positioning rod 32 is in the shape of an external thread, an auxiliary nut 33 is sleeved at the bottom of the positioning rod 32, a through groove for the air bag 11 to penetrate through is formed in the bottom of the basin frame 1, an auxiliary sleeve 34 is sleeved at the bottom of the air bag 11, the auxiliary sleeve 34 is made of a copper sleeve, a mounting plate 35 is fixedly arranged on the outer wall of the auxiliary sleeve 34, the mounting plate 35 is fixed at the bottom end of the basin frame 1 through a screw, heat dissipation fins 36 are uniformly distributed on the outer surface of the bottom of the auxiliary sleeve 34, one end of the support 37 is fixed on the outer side wall of the heat dissipation pipe 13, and the other end of the support 37 is fixed on the basin cover 2 through a screw.

Through the scheme of the invention, the beneficial effects are as follows: what need to live is, set up the mouth that a matching locating lever 32 passed in basin frame 1 bottom, the mouth that locating lever 32 passed is convenient for the accurate position installation of gasbag, and design like this, it can aim at to have guaranteed basin frame 1 and basin lid 2, be convenient for fix basin frame 1 and basin lid 2 through the screw thread, the wearing groove is worn out to gasbag 11 bottom, also be exactly gasbag 11 bottom stretch out the outside, overlap gasbag 11 bottom with its sleeve 34, heat dissipation wing 36 is used for carrying out the heat transfer with external environment, the support 37 other end passes through the fix with screw on basin lid 2, therefore be convenient for dismantle support 37, it is that support 37 and cooling tube 13 design as an organic whole to notice.

For the convenience of understanding the above technical solutions of the present invention, the following detailed description is made of the working principle or the operation mode of the present invention in the practical process:

in practical application, the high-sensitivity mediant loudspeaker is simple in structure, when an external power supply is switched on, the coil 5 generates an alternating magnetic field under the action of current, the voice coil 4 slides between the lower iron core 6 and the upper iron core 7 under the magnetic action of the lower iron core 6 and the upper iron core 7, when the voice coil 4 slides towards the lower iron core 6, the air bag 11 is extruded, cooling water is filled in the air bag 11, the cooling water passes through the radiating pipe 13 to cool the surface of the coil 5, when the voice coil continues to be pressed downwards, the heat exchange rod 15 is extruded by water pressure, the heat exchange rod 15 moves outwards and is in contact with the voice coil 4 to further cool the coil 5, when in normal times, the heat conducting copper pipe 12 is arranged in the air bag 11, the heat on the heat conducting copper pipe 12 can be led into the cooling water, so that the lower iron core 6 has no moment and no heat exchange effect, and attention is paid that the basin stand 1 and the basin cover 2 are detachably arranged, when internal parts are damaged, the basin stand 1 is convenient to take down and maintain the internal parts, the upper iron core 7 is provided with a heat dissipation mechanism, has good heat dissipation effect on the upper iron core 7, further improves the internal cooling of the voice coil 4, achieves good cooling effect, improves the sensitivity, meanwhile, the service life is prolonged, the sealing and disassembling mechanism is connected with the radiating pipe 13 and the air bag 11, so that the radiating pipe 13 is convenient to disassemble, the air bag 11 and the spring in the radiating pipe 13 or the radiating pipe 13 are convenient to integrally replace, the internal parts are convenient to maintain, the spring protection mechanism protects and protects the spring 17, the phenomenon that the spring is corroded by cooling water for a long time, the service life of the spring is greatly reduced is avoided, thereby influence the life-span of this device, basin frame 1 and basin lid 2 are demountable installation, in order to protect the position accuracy nature after gasbag 11 installs, consequently set up positioning mechanism, make the position of its gasbag 11 installation unified.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-sensitivity mediant loudspeaker comprises a basin frame (1), a basin cover (2) and a diaphragm (3), and is characterized in that the top end of the basin frame (1) is connected with the basin cover (2), the diaphragm (3) and the basin cover (2) are arranged in an integrated manner, a voice coil (4) is arranged inside the basin frame (1), a coil (5) is circumferentially wound on the voice coil (4), a lower iron core (6) is inserted into the lower end of the voice coil (4), an upper iron core (7) is inserted into the upper end of the voice coil (4), a chute (8) for slidably inserting the lower iron core (6) and the upper iron core (7) is arranged in the middle of the voice coil (4), an armature (9) is connected to the upper end of the upper iron core (7), the middle of the diaphragm (3) is connected with the middle of the diaphragm, and a resonance plate (10) is connected to the upper end of the diaphragm (3) through a screw rod, the diaphragm (3) bottom screw thread inserts inside armature (9) top, iron core (6) bottom is connected with gasbag (11) down, the injection has the cooling water in gasbag (11), iron core (6) is inside to be fixed down and is equipped with a plurality of heat conduction copper pipe (12), heat conduction copper pipe (12) pass down iron core (6) with gasbag (11), just heat conduction copper pipe (12) bottom is located inside gasbag (11), gasbag (11) lateral wall is through sealed disassembly body coupling cooling tube (13), cooling tube (13) are located one side of coil (5) is equipped with a plurality of sleeve (14), sleeve (14) internalization is inserted and is equipped with heat exchange rod (15), heat exchange rod (15) are located one end in sleeve (14) is connected with guide bar (16), the circumference of guide bar (16) is around having spring (17), spring (17) one end with heat exchange rod (15) is connected, mounting panel (18) is connected to spring (17) other end, install mounting panel (18) on cooling tube (13), be equipped with spring protection mechanism on spring (17), upward be equipped with heat dissipation mechanism on iron core (7), be equipped with positioning mechanism on gasbag (11), cooling tube (13) lateral wall with connect through support (37) between basin lid (2), sealed disassembly body is including setting up connecting pipe (19) on gasbag (11), cooling tube (13) insert in connecting pipe (19), just be equipped with sealing washer (20) on connecting pipe (19) inner wall, cooling tube (13) surface fixed cover is equipped with sealed section of thick bamboo (21), connecting pipe (19) insert in sealed section of thick bamboo (21), just sealed section of thick bamboo (21) inner wall is equipped with vice sealing washer (22), be equipped with on connecting pipe (19) with cooling tube (13) assorted installation component, installation component is established including fixed cover the screw thread section of thick bamboo (23) of connecting pipe (19) surface, the diameter of screw thread section of thick bamboo (23) equals the diameter of sealed section of thick bamboo (21), just screw thread section of thick bamboo (23) with sealed section of thick bamboo (21) surface is external screw thread form, screw thread section of thick bamboo (23) with the common thread cover of sealed section of thick bamboo (21) surface is equipped with external screw thread section of thick bamboo (24), the inner wall of external screw thread section of thick bamboo (24) is internal thread form, spring protection mechanism establishes including the cover waterproof membrane (25) of spring (17) circumference, heat exchange pole (15) with connect through vice mounting panel (26) between guide bar (16), just vice mounting panel (26) are fixed one of guide bar (16) is served, the auxiliary mounting plate (26) is fixed on the heat exchange rod (15) through screws, the mounting plate (18) is a T-shaped plate, the outer surface of the heat dissipation pipe (13) is provided with a through hole for the mounting plate (18) to pass through, the mounting plate (18) is fixed on the outer surface of the heat dissipation pipe (13) through screws, the outer surface of the heat exchange rod (15) is fixedly provided with a piston (27), the heat dissipation mechanism comprises an auxiliary air bag (28) arranged at the bottom end of the armature (9), the auxiliary air bag (28) wraps the upper iron core (7), an auxiliary heat conduction copper pipe (29) is fixedly arranged on the upper iron core (7), one end of the auxiliary heat conduction copper pipe (29) is inserted into the upper iron core (7), the inside of the insertion end of the auxiliary heat conduction copper pipe (29) is in a real-core shape, and the other end of the auxiliary heat conduction copper pipe (29) penetrates out of the auxiliary air bag (28), the auxiliary heat conduction copper tube (29) located inside the auxiliary air bag (28) is provided with an air inlet (30) on the outer surface, the auxiliary heat conduction copper tube (29) extending out of the outer wall of the upper iron core (7) is internally in a cavity shape, the air inlet (30) is communicated with the inside of the auxiliary heat conduction copper tube (29), the heat conduction copper tube (12) is internally in a cavity shape, a guide tube (31) penetrating out of the air bag (11) is connected to the heat conduction copper tube (12), and the guide tube (31) is connected with the auxiliary heat conduction copper tube (29).

2. The high-sensitivity mediant loudspeaker of claim 1, characterized in that, basin frame (1) top with connect through the screw between basin lid (2), just screw bottom threaded sleeve is equipped with the nut, heat conduction copper pipe (12) are equidistance annular distribution, heat exchange rod (15) are close to the one end of coil (5) is circular-arc structure, coil (5) with distance between sleeve (14) is less than the length of heat exchange rod (15).

3. The high-sensitivity midrange horn according to claim 1, wherein the conduit (31) and the secondary heat conducting copper tube (29) are connected through a secondary seal dismounting mechanism, and the structure of the secondary seal dismounting mechanism is the same as that of the seal dismounting mechanism.

4. The high-sensitivity mediant loudspeaker according to claim 1, wherein the positioning mechanism comprises a positioning rod (32) fixed at the bottom end of the heat dissipation pipe (13), the positioning rod (32) passes through the basin frame (1), the outer surface of the bottom of the positioning rod (32) is in a shape of external thread, and a secondary nut (33) is sleeved at the bottom of the positioning rod (32).

5. The high-sensitivity mediant loudspeaker according to claim 1, characterized in that a through groove for the air bag (11) to pass through is formed in the bottom of the basin frame (1), an auxiliary sleeve (34) is sleeved on the bottom of the air bag (11), the auxiliary sleeve (34) is made of copper, a mounting piece (35) is fixedly arranged on the outer wall of the auxiliary sleeve (34), the mounting piece (35) is fixed at the bottom end of the basin frame (1) through a screw, and heat dissipation fins (36) are uniformly distributed on the outer surface of the bottom of the auxiliary sleeve (34).

6. A high sensitivity mediant loudspeaker according to claim 1, characterized in that one end of the bracket (37) is fixed on the outer sidewall of the radiating pipe (13), and the other end of the bracket (37) is fixed on the basin cover (2) by screws.