High-pitch driving head of super-high-pitch loudspeaker

By designing communication holes, ventilation holes and grooves in the tweeter treble driver head, gas flow inside and outside the diaphragm is realized, and a desiccant package is placed in the drying chamber to absorb water vapor, solving the problems of internal pressure changes and water vapor corrosion of the driving head, achieving high stability and prolonging service life.

CN222884782UActive Publication Date: 2025-05-16JIASHAN CARS ELECTRONIC CO LTD
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Patent Information

Application Number
CN202421892806.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-05-16
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

In the ultra-tweeter, the flat and light diaphragm vibration will cause the pressure of the internal cavity of the drive head to change, affect the stable operation, and be susceptible to water vapor corrosion, resulting in poor contact, rust and other problems, affecting the service life.

Method used

By designing the communication holes, ventilation holes and grooves in the treble driving head, the internal and external gases of the diaphragm flow to balance the pressure of the internal cavity; at the same time, a desiccant pack is placed in the drying chamber to suck away water vapor through the grooves to maintain a dry environment.

Benefits of technology

The gas flow inside the drive head is realized, and the operation is maintained at high stability, and the water vapor is absorbed to prevent poor contact and rust, which extends the service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a super-high-pitch loudspeaker high-pitch driving head, which comprises a high-pitch driving head body, a plurality of spaced grooves are arranged on the top surface of the upper edge of the high-pitch driving head body, the grooves penetrate through one end of the inner side of the edge, the edge of a vibrating diaphragm is fixed on the high-pitch driving head body through a compression ring, and a plurality of drying cavities corresponding to the grooves are arranged in the compression ring. A drying agent bag is arranged in the drying cavity, a vent hole is formed in the bottom of the drying cavity, the bottom end of the vent hole communicates with the groove, and a communicating hole penetrating through the vent hole is formed in the inner side of the pressing ring; when the vibrating diaphragm vibrates, air inside and outside the driving head can circulate, the pressure of an inner cavity of the driving head is balanced, and high-stability work is kept. The drying agent bag in the drying cavity can absorb water vapor in the loudspeaker through the groove, so that a dry environment is kept in the driving head, the problems of poor contact, corrosion and the like are not easily generated in the driving head, and the service life of the driving head is prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of tweeters, and in particular relates to a tweeter driver head of a super tweeter. Background Art

[0002] The tweeter driver head, also called the tweeter, is a transducer device that converts electrical signals into sound signals. As a tweeter unit, it includes key components such as the voice coil and the sound membrane. It is mainly responsible for reproducing shortwave signals. These components work together to produce treble output and play an important role in the audio system.

[0003] In a super tweeter, the vibration of the flat and light diaphragm will cause changes in the pressure in the internal cavity of the driver head, thus affecting stable operation; at the same time, because the speaker is in an external environment for a long time, when the external environment is humid, the inside of the driver head is susceptible to corrosion by water vapor and causes problems such as poor contact and rust, affecting the normal use and life of the driver head. Utility Model Content

[0004] The utility model provides a tweeter driver head of an ultra-high-frequency speaker, which is connected to the inside and outside of a diaphragm through a connecting hole, an air vent and a groove. When the diaphragm vibrates, gas inside and outside the driver head can circulate, so as to balance the pressure of the internal cavity of the driver head and maintain high stability operation. The desiccant bag in the drying cavity can absorb the water vapor inside the speaker through the groove, so that the inside of the driver head maintains a dry environment, and the inside of the driver head is not prone to problems such as poor contact and rust, thereby extending its service life, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tweeter driver head of an ultra-high-frequency speaker, comprising a tweeter driver head body, a top surface of the upper edge of the tweeter driver head body is provided with a plurality of spaced grooves, the grooves pass through one end on the inner side of the edge, the edge of the diaphragm is fixed on the tweeter driver head body by a pressure ring, a plurality of drying chambers corresponding to the grooves are provided in the pressure ring, a desiccant bag is contained in the drying chamber, an air vent is provided at the bottom of the drying chamber, the bottom end of the air vent is connected to the groove, and a connecting hole passing through the air vent is provided on the inner side of the pressure ring.

[0006] Preferably, the pressure ring comprises an openable ring cover, the ring cover is fixedly connected to the pressure ring via a first screw, and the ring cover and the pressure ring are sealed.

[0007] Preferably, the pressure ring is fixedly connected to the tweeter driver head body via a second screw.

[0008] Preferably, the groove is in the shape of a strip extending toward the center of the tweeter driver body, the horizontal cross-section of the vent hole is in the shape of a strip perpendicular to the length direction of the groove, and the vent hole and the groove are distributed in a cross pattern.

[0009] Preferably, the pressure ring and the tweeter driver body are bonded by sealing glue.

[0010] Preferably, a waterproof and breathable sticker is fixedly adhered to the communicating hole.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The inside and outside of the diaphragm are connected through connecting holes, vents, and grooves. When the diaphragm vibrates, the gas inside and outside the driver head can flow, balancing the pressure in the internal cavity of the driver head and maintaining high stability.

[0013] 2. The speaker is in the external environment for a long time. The desiccant bag in the drying chamber can absorb the water vapor inside the speaker through the groove, so that the inside of the driver head maintains a dry environment. It is not easy to have problems such as poor contact and rust inside the driver head, thus extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0016] Figure 3 It is a schematic diagram of the top view of the treble driver body and the groove of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the pressure ring and the vent hole of the utility model when viewed from above;

[0018] Figure 5 It is a schematic diagram of the top view structure of the pressure ring, drying chamber and vent hole of the utility model;

[0019] Figure 6 It is a schematic diagram of the top view of the ring cover, the first screw and the second screw of the utility model.

[0020] In the figure: 1. tweeter driver body; 2. groove; 3. pressure ring; 4. diaphragm; 5. drying chamber; 6. desiccant bag; 7. vent; 8. connecting hole; 9. ring cover; 10. first screw; 11. second screw; 12. waterproof breathable sticker. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6 The utility model provides a tweeter driver of a super tweeter, comprising a tweeter driver body 1, a plurality of spaced grooves 2 are arranged on the top surface of the upper edge of the tweeter driver body 1, the groove 2 passes through one end of the inner side of the edge, the edge of a diaphragm 4 is fixed on the tweeter driver body 1 by a pressure ring 3, a plurality of drying chambers 5 corresponding to the grooves 2 are arranged in the pressure ring 3, a desiccant bag 6 is arranged in the drying chamber 5, a vent hole 7 is arranged at the bottom of the drying chamber 5, the bottom end of the vent hole 7 is connected to the groove 2, and a connecting hole 8 which passes through the vent hole 7 is arranged on the inner side of the pressure ring 3; the inside and outside of the diaphragm are connected through the connecting hole 8, the vent hole 7 and the groove 2, when the diaphragm vibrates, the gas inside and outside the driver head can circulate, balance the pressure of the internal cavity of the driver head, and maintain high stability; at the same time, when the speaker is in the external environment for a long time, the desiccant bag 6 in the drying chamber 5 can absorb the water vapor inside the speaker through the groove 2, so that the inside of the driver head maintains a dry environment, and the inside of the driver head is not prone to problems such as poor contact and rust, thereby extending its service life.

[0023] Specifically, the pressure ring 3 includes an openable ring cover 9, which is fixedly connected to the pressure ring 3 by a first screw 10, and the ring cover 9 and the pressure ring 3 are sealed; in this embodiment, the ring cover 9 is detachable by the first screw 10, and the desiccant bag 6 can be easily replaced, and the sealing prevents air leakage at the connection.

[0024] Specifically, the pressure ring 3 is fixedly connected to the tweeter driver body 1 via a second screw 11 ; in the present embodiment, the pressure ring 3 is detachably mounted on the tweeter driver body 1 via the second screw 11 .

[0025] Specifically, the groove 2 is in the shape of a strip extending toward the center of the tweeter driver head body 1, the horizontal cross-section of the vent 7 is in the shape of a strip perpendicular to the length direction of the groove 2, and the vent 7 and the groove 2 are cross-distributed; in the present embodiment, the vent 7 and the groove 2 are cross-distributed, so when a deviation occurs between the tweeter driver head body 1 and the pressure ring 3, the vent 7 and the groove 2 can still be fully connected.

[0026] Specifically, the pressure ring 3 and the tweeter driver body 1 are bonded by sealing adhesive; in this embodiment, the sealing performance between the pressure ring 3 and the tweeter driver body 1 is improved.

[0027] Specifically, a waterproof and breathable sticker 12 is fixedly adhered to the mouth of the communication hole 8 ; in this embodiment, while ensuring the air permeability at the communication hole 8 , external water vapor is prevented from entering the communication hole 8 .

[0028] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0029] Working principle: the inside and outside of the diaphragm are connected through the connecting hole 8, the vent hole 7 and the groove 2. When the diaphragm vibrates, the gas inside and outside the driver head can circulate, so as to balance the pressure of the internal cavity of the driver head and maintain high stability operation; at the same time, the speaker is in the external environment for a long time, and the desiccant bag 6 in the drying cavity 5 can absorb the water vapor inside the speaker through the groove 2, so that the inside of the driver head maintains a dry environment, and it is not easy to have problems such as poor contact and rust inside the driver head, thereby extending its service life; and the ring cover 9 can be opened by the first screw 10 and the second screw 12, so as to realize the convenient replacement of the desiccant bag 6.

[0030] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A super tweeter treble driver head, comprising a treble driver head body (1), characterized in that: The top surface of the upper edge of the tweeter drive head body (1) is provided with a plurality of spaced grooves (2), the grooves (2) passing through one end of the inner side of the edge, the edge of the diaphragm (4) is fixed on the tweeter drive head body (1) by a pressure ring (3), a plurality of drying chambers (5) corresponding to the grooves (2) are provided in the pressure ring (3), a desiccant bag (6) is contained in the drying chamber (5), a vent hole (7) is provided at the bottom of the drying chamber (5), the bottom end of the vent hole (7) is connected to the groove (2), and a connecting hole (8) passing through the vent hole (7) is provided on the inner side of the pressure ring (3).

2. The super tweeter treble driver according to claim 1, characterized in that: The pressure ring (3) comprises an openable ring cover (9), the ring cover (9) is fixedly connected to the pressure ring (3) via a first screw (10), and the ring cover (9) and the pressure ring (3) are sealed.

3. The super tweeter treble driver according to claim 1, characterized in that: The pressure ring (3) is fixedly connected to the treble driver body (1) via a second screw (11).

4. The super tweeter treble driver according to claim 1, characterized in that: The groove (2) is in the shape of a strip extending toward the center of the tweeter driver body (1); the horizontal cross section of the vent hole (7) is in the shape of a strip perpendicular to the length direction of the groove (2); and the vent hole (7) and the groove (2) are distributed in a cross manner.

5. The super tweeter treble driver according to claim 1, characterized in that: The pressure ring (3) and the treble driver head body (1) are bonded together by sealing glue.

6. The super tweeter treble driver according to claim 1, characterized in that: A waterproof and breathable sticker (12) is fixedly adhered to the mouth of the communicating hole (8).