CN218679372U

CN218679372U - Loudspeaker with strong directivity

Info

Publication number: CN218679372U
Application number: CN202223208030.0U
Authority: CN
Inventors: 李广荣; 王荣顺; 雷亚威
Original assignee: Zhongshan Fengxu Electronic Industry Co ltd
Current assignee: Zhongshan Fengxu Electronic Industry Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-21
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a pair of strong directive property speaker, adopt the acoustic focusing design of bowl form with the panel, and also design into similar structure with the holding chamber of shell, through the dual focus cooperation in panel and holding chamber, make the sound that the speaker produced propagate more concentratedly after the focus of holding chamber and panel, it is higher than traditional suspension type speaker's sound pressure level and definition in the same distance, thereby make the listener position of standing in case the center pin of skew speaker, the sound of hearing can not attenuate by a wide margin yet, guarantee the effect that it was listened to. In addition, the bottom of the accommodating cavity is provided with a compatible installation part for compatibly installing parts such as EN5424 standard and IP standard in the industry, so that the parts can be increased and decreased on the compatible installation part at any time according to the requirement to achieve different standard configurations under the condition of not developing multiple sets of dies, single or multiple purposes can coexist, the production material investment is effectively saved, and the production cost is reduced.

Description

Loudspeaker with strong directivity

Technical Field

The utility model relates to a speaker technical field especially relates to a strong directive property speaker.

Background

A speaker, commonly called a "horn", is a transducer for converting an electrical signal into an acoustic signal, and is classified into a floor type speaker and a suspension type speaker according to different use environments. The existing suspension type loudspeaker has too narrow directivity, once the standing position of a listener deviates from the central axis of the loudspeaker, the heard sound and definition can be greatly attenuated, so that the listening effect is greatly reduced; and when the suspension type loudspeaker needs to be additionally provided with parts of EN5424 standard or IP standard in the installation industry, a plurality of sets of molds need to be developed for adaptation, so that production materials are increased too much, the control difficulty is increased, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present technical solution provides a speaker with strong directivity.

In order to realize the purpose, the technical scheme is as follows: the utility model provides a strong directive property speaker, includes panel, speaker, transformer and shell the upper end of panel is run through its bottom and is formed with the focus chamber that from top to bottom tapers gradually, the open end of speaker sets up the bottom in focus chamber indent is formed with and has open holding chamber on the shell, the diameter in holding chamber is dwindled to the bottom by its open end the bottom in holding chamber is provided with compatible installation department, the transformer is installed on the compatible installation department, the panel lid closes on the uncovered in holding chamber, thereby makes place in the speaker the holding intracavity.

In some embodiments, a first mounting portion and a second mounting portion are provided on the compatible mounting portion.

In some embodiments, the device further comprises a U-shaped bracket and angle adjusting components arranged at two ends of the U-shaped bracket, wherein the angle adjusting components are used for mounting the U-shaped bracket on the shell so as to adjust the angle between the U-shaped bracket and the shell.

In some embodiments, the angle adjusting assembly includes a bolt, a limiting spring penetrating through the bolt, and an end cover covering the top end of the bolt, and the bolt fixes the U-shaped bracket to the housing in a threaded manner.

In some embodiments, a rear cover is disposed at the bottom of the housing, a waterproof joint is disposed on the rear cover, and a sheath wire is connected to the waterproof joint.

In some embodiments, the sheathed wire is a three-core sheathed wire.

In some embodiments, sound absorbing cotton is further disposed in the accommodating cavity.

The beneficial effect of this application does:

1. the double focusing cooperation makes the sound spread more concentrated, and sound pressure level and definition are higher, have avoided listener's standing position in case the sound that hears when deviating from the center pin of speaker can attenuate by a wide margin, guarantee listener's listening effect.

2. The die sinking quantity is reduced, the compatibility is high, the investment of production materials is saved, and the production cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is an overall exploded schematic view of the present invention;

fig. 2 is a schematic view of the internal structure of the housing of the present invention;

fig. 3 is a schematic cross-sectional view of the housing of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

Reference numerals:

1. a faceplate, 11, a focal chamber; 2. a speaker; 3. a transformer; 4. the sound-absorbing device comprises a shell, 41, an accommodating cavity, 42, a rear cover, 43, a waterproof joint, 44, a sheath wire, 45 and sound-absorbing cotton; 5. compatible mounting part 51, first mounting part 52, second mounting part; 6. a U-shaped bracket; 7. angle adjusting component, 71, bolt, 72, spacing spring, 73, end cover.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Please refer to fig. 1 to 4, a strong directive speaker, includes panel 1, speaker 2, transformer 3 and shell 4 the upper end of panel 1 runs through its bottom and is formed with focus chamber 11 that tapers from top to bottom, the open end setting of speaker 2 is in the bottom of focus chamber 11 the shell 4 is last to indent and is formed with and has open holding chamber 41, the diameter of holding chamber 41 is reduced to the bottom by its open end gradually the bottom of holding chamber 41 is provided with compatible installation department 5, transformer 3 installs on the compatible installation department 5, panel 1 lid closes on the open of holding chamber 41, thereby makes place in the speaker 2 in the holding chamber 41.

The utility model provides a strong directive property speaker, adopt the acoustic focusing design of bowl form with panel 1, and also design into similar structure with the holding chamber 41 of shell 4, through the dual focusing cooperation of panel 1 with holding chamber 41, make the sound that speaker 2 produced propagate more concentratedly after the focus of holding chamber 41 and panel 1, it is higher than traditional suspension type speaker 2's sound pressure level and definition in the same distance, thereby make the listener stand the position in case of skew speaker 2's center pin, the sound of hearing can not attenuate by a wide margin yet, guarantee the effect that it listened to. In addition, the bottom of the accommodating cavity 41 is provided with the compatible installation part 5 for compatibly installing parts such as the EN5424 standard and the IP standard in the industry, so that the parts can be increased or decreased on the compatible installation part 5 at any time according to requirements to achieve different standard configurations without developing multiple sets of dies, single or multiple purposes can coexist, the investment of production materials is effectively saved, and the production cost is reduced.

In the present embodiment, a first mounting portion 51 and a second mounting portion 52 are provided on the compatible mounting portion 5, and the first mounting portion 51 is used for compatibly mounting components of the EN5424 standard in the industry, such as a transformer 3, a ceramic terminal and the like; the second mounting portion 52 is used for compatibly mounting components of the IP standard, such as the transformer 3, the power amplifier board, the power supply board, and the like; so that one housing 4 can be used for single or multiple purposes.

In this embodiment, the portable electronic device further includes a U-shaped bracket 6 and angle adjusting assemblies 7 disposed at two ends of the U-shaped bracket 6, wherein the U-shaped bracket 6 is mounted on the housing 4 by the angle adjusting assemblies 7, so as to adjust an angle between the U-shaped bracket 6 and the housing 4.

In this embodiment, the angle adjusting assembly 7 includes a bolt 71, a limiting spring 72 disposed on the bolt 71 in a penetrating manner, and an end cover 73 covering the top end of the bolt 71, the bolt 71 fixes the U-shaped bracket 6 on the housing 4 in a screwed manner, the angle of the housing 4 can be adjusted by loosening the bolt 71, and after the bolt 71 is tightened, the end cover 73 is covered, so that the whole is more beautiful and tidy.

In this embodiment, a rear cover 42 is disposed at the bottom of the housing 4, a waterproof joint 43 is disposed on the rear cover 42, a sheath wire 44 is connected to the waterproof joint 43, and the sheath wire 44 is electrically connected to the transformer 3 in the housing 4 through the waterproof joint 43 and the rear cover 42 for transmitting an external audio signal; the waterproof joint 43 is used for preventing dust and water drops from entering the rear cover 42, and further increasing the waterproof performance of the strong directional speaker.

In this embodiment, the sheathed wire 44 is a three-core sheathed wire.

In this embodiment, a sound absorption cotton 45 is further disposed in the accommodating cavity 41, and is used for suppressing sound dyeing generated by sound waves generated by the operation of the speaker 2 on the inner wall of the accommodating cavity 41.

The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not intended to limit the scope of the present application, which is within the scope of the present application, except that the same or similar principles and basic structures as the present application may be used.

Claims

1. The utility model provides a strong directive property speaker, its characterized in that includes panel (1), speaker (2), transformer (3) and shell (4) the upper end of panel (1) runs through its bottom and is formed with focus chamber (11) that from top to bottom reduces gradually, the open end of speaker (2) sets up the bottom of focus chamber (11) interior concave formation has open holding chamber (41) on shell (4), the diameter of holding chamber (41) is dwindled to the bottom by its opening end the bottom of holding chamber (41) is provided with compatible installation department (5), install transformer (3) on compatible installation department (5), panel (1) lid closes on the uncovered of holding chamber (41), thereby makes place in speaker (2) in the holding chamber (41).

2. A strong directional speaker as claimed in claim 1, wherein: a first mounting part (51) and a second mounting part (52) are provided on the compatible mounting part (5).

3. A strong directional speaker as claimed in claim 1, wherein: the angle adjusting device is characterized by further comprising a U-shaped support (6) and angle adjusting assemblies (7) arranged at two ends of the U-shaped support (6), wherein the U-shaped support (6) is installed on the shell (4) through the angle adjusting assemblies (7), so that the angle between the U-shaped support (6) and the shell (4) is adjusted.

4. A strong directional speaker as claimed in claim 3, wherein: the angle adjusting assembly (7) comprises a bolt (71), a limiting spring (72) arranged on the bolt (71) in a penetrating mode and an end cover (73) covering the top end of the bolt (71), and the U-shaped support (6) is fixed on the shell (4) through the bolt (71) in a threaded mode.

5. A strong directional speaker as claimed in claim 1, wherein: the bottom of shell (4) is provided with back lid (42), set up on back lid (42) water joint (43) be connected with sheath line (44) on water joint (43).

6. A strong directional speaker according to claim 5, wherein: the sheath wire (44) is a three-core sheath wire (44).

7. A strong directional speaker as claimed in claim 1, wherein: the containing cavity (41) is also internally provided with sound absorption cotton (45).