CN218336326U - Bar-shaped sound box - Google Patents
Bar-shaped sound box Download PDFInfo
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- CN218336326U CN218336326U CN202222636307.3U CN202222636307U CN218336326U CN 218336326 U CN218336326 U CN 218336326U CN 202222636307 U CN202222636307 U CN 202222636307U CN 218336326 U CN218336326 U CN 218336326U
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Abstract
The application provides a bar audio amplifier, including box and coaxial loudspeaker, the box has relative roof and the bottom plate that sets up, and be formed with between roof and the bottom plate and hold the chamber, hold intracavity installation coaxial loudspeaker at the box, and coaxial loudspeaker's top surface is close to in the roof, coaxial loudspeaker's bottom surface is close to in the bottom plate, coaxial loudspeaker are arranged in the simultaneous broadcast high-frequency audio signal and low frequency audio signal, compare in prior art through the technical scheme that the size of increase loudspeaker guaranteed the low frequency audio signal tone quality that bar audio amplifier broadcast, adopt coaxial loudspeaker when broadcasting audio signal, can not only guarantee the tone quality of the low frequency audio signal broadcast, still have the advantage that small in size, thereby reduce the size in the thickness direction of box, and then reduce the volume of this bar audio amplifier.
Description
Technical Field
The application belongs to the technical field of bar audio amplifier, and more specifically says, relates to a bar audio amplifier.
Background
Traditional bar sound box (soundbar) is when the broadcast panorama audio frequency, is usually with the bar sound one side that is equipped with loudspeaker towards the user, moreover, in order to reach lower low frequency and reproduce the effect, adopts the great loudspeaker of diameter size usually, so, just so makes bar sound box's size thickness increase to make bar sound seem more heavy, the appearance is compact and pleasing to the eye inadequately.
Disclosure of Invention
An object of this application embodiment is to provide a bar audio amplifier to solve the technical problem that the size that exists of bar audio amplifier is too big among the prior art.
In order to achieve the above object, the present application adopts a technical solution that provides a sound bar, comprising:
the box body is provided with a top plate and a bottom plate, the top plate and the bottom plate are oppositely arranged, and an accommodating cavity is formed between the top plate and the bottom plate;
coaxial loudspeaker, fixed connection in the box, at least part set up in hold the intracavity, coaxial loudspeaker's top surface is close to in the roof, coaxial loudspeaker's bottom surface is close to in the bottom plate.
In one embodiment, the top surface is flush with the top plate and the bottom surface is flush with the bottom plate.
In one embodiment, the number of the coaxial speakers is two, and the two coaxial speakers are arranged at intervals along the extending direction of the box body.
In one embodiment, the sound bar further comprises:
and the middle and high-sound loudspeaker is fixedly connected with the box body, and at least part of the middle and high-sound loudspeaker is arranged in the accommodating cavity.
In one embodiment, the number of the medium and high sound loudspeakers is multiple, and the medium and high sound loudspeakers are sequentially spaced along the extending direction of the box body.
In one embodiment, the sound bar further comprises:
control structure, connect in well high-pitched loudspeaker for receive incoming signal, and judge whether the frequency of input limit signal is less than predetermineeing the frequency incoming signal's frequency is greater than or equal to under the condition of predetermineeing the frequency, control structure will incoming signal transmits extremely well high-pitched loudspeaker.
In an embodiment, the control structure is further connected to the coaxial speaker, and the control structure transmits the input signal to the coaxial speaker when the frequency of the input signal is less than the preset frequency.
In one embodiment, the control structure comprises:
the first filter is electrically connected with the middle and high-pitch loudspeaker and is used for transmitting the input signal to the middle and high-pitch loudspeaker under the condition that the frequency of the input signal is greater than or equal to the preset frequency;
and the second filter is electrically connected with the coaxial loudspeaker and is used for transmitting the input signal to the coaxial loudspeaker under the condition that the frequency of the input signal is less than the preset frequency.
In one embodiment, the number of the control structures is plural, the plural control structures correspond to the plural medium-high-pitched loudspeakers one to one, and each of the medium-high-pitched loudspeakers is connected to the control structure corresponding thereto.
In an embodiment, the two coaxial horns are a first coaxial horn and a second coaxial horn respectively, and in the plurality of control structures, a part of the second filter is electrically connected to the first coaxial horn, and another part of the second filter is electrically connected to the second coaxial horn. .
The application provides a bar audio amplifier's beneficial effect lies in: compared with the prior art, the application provides bar audio amplifier's box has relative roof and the bottom plate that sets up, and be formed with between roof and the bottom plate and hold the chamber, hold intracavity installation coaxial loudspeaker at the box, and coaxial loudspeaker's top surface is close to in the roof, coaxial loudspeaker's bottom surface is close to in the bottom plate, coaxial loudspeaker is arranged in high-frequency audio signal and low frequency audio signal in the simultaneous broadcast, compare in prior art and guarantee the technical scheme of the low frequency audio signal tone that bar audio amplifier broadcast through the size of increase loudspeaker and compare, adopt coaxial loudspeaker when broadcasting audio signal, can not only guarantee the tone quality of the low frequency audio signal of broadcast, still have the advantage that the size is little, thereby reduce the size in the thickness direction of box, and then reduce the volume of this bar audio amplifier.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a first schematic structural diagram of a soundbar according to an embodiment of the present application;
fig. 2 is a schematic structural diagram ii of the sound bar provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram third of the sound bar provided by the embodiment of the present application;
FIG. 4 is a schematic diagram of a control architecture provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a soundbar according to another embodiment of the present application;
fig. 6 is a schematic structural diagram of a control structure according to another embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
10. a box body; 11. A top plate; 12. A base plate;
20. a coaxial horn; 21. A first coaxial horn; 22. A second coaxial horn;
30. a first horn group; 40. A second horn group; 50. A medium-high sound horn;
51. a left mid tweeter; 52. A middle and high-pitched horn is arranged in the middle; 53. A right middle and high sound horn;
60. a control structure; 61. A first filter; 62. A second filter.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4 together, a sound bar according to an embodiment of the present application will be described.
A sound bar box comprises a box body 10 and a coaxial loudspeaker 20, wherein the box body 10 is provided with a top plate 11 and a bottom plate 12, the top plate 11 and the bottom plate 12 are oppositely arranged, and an accommodating cavity is formed between the top plate 11 and the bottom plate 12. The coaxial horn 20 is fixedly connected to the box 10 and at least partially disposed in the accommodating cavity, a top surface of the coaxial horn 20 is close to the top plate 11, and a bottom surface of the coaxial horn 20 is close to the bottom plate 12.
Specifically, in the embodiment of the present application, please refer to fig. 1 to 3, the box 10 is a rectangular parallelepiped structure, and the accommodating cavity is disposed inside the box 10. The coaxial horn 20 is fixedly connected to the box 10 and is accommodated in the accommodating cavity, wherein the top surface of the coaxial horn 20 is flush with the top plate 11 of the box 10, and the bottom surface of the coaxial horn 20 is flush with the bottom plate 12 of the box 10.
The coaxial speaker 20 includes a midrange speaker for playing midrange and midrange audio signals of the high frequency signal and a woofer for playing low frequency audio of the audio signals. The vibrating diaphragm of the middle and high-frequency loudspeaker and the vibrating diaphragm of the low-pitch loudspeaker are coaxially arranged, so that the acoustic centers of the middle and high-frequency audio signals and the low-frequency audio signals in the audio signals played by the bar-type sound box are located at the same point, and the bar-type sound box is ensured to realize the full-frequency-domain playback of the audio signals.
Compared with the prior art, the box 10 of the sound bar box that this application provided has relative roof 11 and bottom plate 12 that sets up, and be formed with between roof 11 and the bottom plate 12 and hold the chamber, hold intracavity installation coaxial loudspeaker 20 at box 10, and the top surface of coaxial loudspeaker 20 is close to roof 11, the bottom surface of coaxial loudspeaker 20 is close to bottom plate 12, coaxial loudspeaker 20 is used for broadcasting medium-high frequency audio signal and low frequency audio signal simultaneously, compare in the technical scheme who guarantees the low frequency audio signal tone that the sound bar box broadcast through the size of increase loudspeaker among the prior art and compare, adopt coaxial loudspeaker 20 when broadcasting audio signal, can not only guarantee the tone of the low frequency audio signal of broadcast, still have the advantage that the size is little, thereby reduce the size in the thickness direction of box 10, and then reduce the volume of this sound bar box.
In another embodiment of the present application, the top surface of the coaxial horn 20 extends outside the top surface of the tank 10, and the bottom surface of the coaxial horn 20 extends outside the bottom surface of the tank 10. Compared with the technical scheme that the top surface of the coaxial horn 20 is arranged flush with the top plate 11 of the box body 10 and the bottom surface of the coaxial horn 20 is arranged flush with the bottom plate 12 of the box body 10, the top surface of the coaxial horn 20 is extended to the outer side of the top surface of the box body 10 and the bottom surface of the coaxial horn 20 is extended to the outer side of the bottom plate 12 of the box body 10, so that the size of the bar-shaped sound box in the height direction can be further reduced.
In one embodiment of the present application, the sound bar further includes a middle-high speaker 50, the middle-high speaker 50 is fixedly connected to the cabinet 10, and the middle-high speaker 50 is at least partially disposed in the accommodating cavity.
Specifically, in the embodiment of the present application, please refer to fig. 1 to fig. 3, a diaphragm of the medium-high speaker 50 is disposed on a side surface of the box 10 along the length direction, and the medium-high speaker 50 and the coaxial speaker 20 play a medium-high frequency audio signal in the audio signals together, so as to improve the timbre of the medium-high frequency audio signal played by the sound bar.
In an embodiment of the present application, the sound bar further includes a control structure 60, the control structure 60 is connected to the middle and high-pitched speakers 50, and is configured to receive an input signal containing audio information, determine whether a frequency of an input limit signal is smaller than a preset frequency, and transmit the input signal to the middle and high-pitched speakers 50 by the control structure 60 when the frequency of the input signal is greater than or equal to the preset frequency.
Specifically, in the embodiment of the present application, please refer to fig. 4, the control structure 60 is configured to filter the middle-low frequency electrical signal corresponding to the middle-low frequency audio frequency in the input signal to generate the middle-high frequency electrical signal corresponding to the middle-high frequency audio signal, and transmit the middle-high frequency electrical signal to the middle-high speaker 50, so that the middle-high speaker 50 plays the middle-high frequency audio signal according to the middle-high frequency audio electrical signal in the input signal.
Preferably, in the embodiment of the present application, when the control structure 60 determines that the frequency of the input signal is greater than or equal to a preset frequency (e.g., 500 Hz), the control structure 60 generates a middle-high frequency electrical signal, and the middle-high frequency electrical signal is transmitted to the middle-high frequency loudspeaker 50 by the control structure 60, so that the middle-high frequency loudspeaker 50 plays the middle-high frequency electrical signal corresponding to the middle-high frequency electrical signal.
In one embodiment of the present application, the control structure 60 is further electrically connected to the coaxial horn 20, and in case that the frequency of the input signal is less than the preset frequency, the control structure 60 transmits the input signal to the coaxial horn 20.
Specifically, in the embodiment of the present application, please refer to fig. 4, the control structure 60 is configured to filter the electrical signals corresponding to the medium-high frequency electrical signals in the input signals to generate the low-frequency electrical signals corresponding to the low-frequency audio, and transmit the low-frequency electrical signals to the coaxial speaker 20, so that the coaxial speaker 20 plays the low-frequency audio according to the low-frequency electrical signals.
Preferably, in the embodiment of the present application, the control structure 60 is further electrically connected to the coaxial speaker 20, the control structure 60 generates a low-frequency electrical signal when determining that the frequency of the input signal is lower than a predetermined frequency (e.g., 500 Hz), and the control structure 60 transmits the low-frequency electrical signal to the coaxial speaker 20, so that the coaxial speaker 20 plays the low-frequency audio corresponding to the low-frequency electrical signal.
In one embodiment of the present application, the control structure 60 comprises a first filter 61 and a second filter 62. The first filter 61 is electrically connected to the middle-high-pitched horn 50, and is configured to transmit the input signal to the middle-high-pitched horn 50 when the frequency of the input signal is greater than or equal to the preset frequency. The second filter 62 is electrically connected to the coaxial horn 20 and is configured to transmit the input signal to the coaxial horn 20 when the frequency of the input signal is less than the predetermined frequency.
Specifically, in an embodiment of the present application, referring to fig. 4, the first filter 61 is configured to filter a low-frequency electrical signal in the input signal, for example, filter a signal with a frequency less than 500Hz in the input signal to form a medium-high frequency electrical signal, and transmit the medium-high frequency electrical signal to the medium-high frequency speaker 50, so that the medium-high frequency speaker 50 plays the medium-high frequency audio signal according to the medium-high frequency electrical signal. The second filter 62 is configured to filter the medium-high frequency electrical signals in the input signal, for example, filter out signals with a frequency greater than 500Hz in the input signal to form low-frequency electrical signals, and transmit the low-frequency electrical signals to the coaxial speaker 20, so that the coaxial speaker 20 plays low-frequency audio according to the low-frequency electrical wire number.
In one embodiment of the present application, the number of the medium-high sound horns 50 is plural, and the plural medium-high sound horns 50 are sequentially spaced along the extending direction of the cabinet 10. The number of the coaxial speakers 20 is two, the two coaxial speakers 20 are respectively a first coaxial speaker 21 and a second coaxial speaker 22, and the first coaxial speaker 21 and the second coaxial speaker 22 are arranged at intervals along the extending direction of the box 10.
Specifically, in the embodiment of the present application, referring to fig. 2 to 4, the number of the medium-high speakers 50 is four, and the four medium-high speakers 50 are divided into two speaker groups, and each speaker group includes two medium-high speakers 50. In two medium-high speakers 50 in each speaker group, a diaphragm of one medium-high speaker 50 is fixedly connected to one of the two side surfaces of the box 10 along the width direction, the direction of the diaphragm of the other medium-high speaker 50 and the direction of the diaphragm of the medium-high speaker 50 fixedly connected to the side surface along the width direction are arranged in an acute angle, and the two medium-high speakers 50 in each speaker group are electrically connected to a control structure 60.
Two loudspeaker groups are first loudspeaker group 30 and second loudspeaker group 40 respectively, and first loudspeaker group 30 and second loudspeaker group 40 symmetry set up in the both ends of box 10 along length direction, and first coaxial loudspeaker 21 bit is located box 10 along its length direction's one end with first loudspeaker group 30, and second coaxial loudspeaker 22 is located box 10 along its length direction's the other end with second loudspeaker group 40.
In the first speaker group 30, the two first filters 61 of the two control structures 60 respectively correspond to the two middle and high-pitched speakers 50 of one speaker group one by one, and the two middle and high-pitched speakers 50 of each speaker group are electrically connected to the corresponding first filters 61. The two second filters 62 in the two control structures 60 are electrically connected to both of the first coaxial horns 21. In the second horn group 40, the two first filters 61 of the two control structures 60 respectively correspond to the two middle-high horns 50 of the second horn group 40 one to one, and each middle-high horn 50 of the second horn group 40 is electrically connected to the corresponding first filter 61. Two second filters 62 in the two control structures 60 are electrically connected to both of the second coaxial horns 22.
In the first speaker group 30 and the second speaker group 40, the first filter 61 in the control structure 60 filters a part of the input signal with a frequency greater than or equal to a preset frequency, and then inputs the filtered part of the input signal to the four middle and high-frequency speakers 50 in the first speaker group 30 and the second speaker group 40, so that the four middle and high-frequency speakers 50 play middle and high-frequency audio signals; the second filter 62 in the control structure 60 electrically connected to the two mid-bass loudspeakers 50 in the first loudspeaker group 30 filters a part of the input signal with a frequency lower than a preset frequency and inputs the filtered part of the input signal to the first coaxial loudspeaker 21, so that the mid-bass loudspeaker in the first coaxial loudspeaker 21 plays a low-frequency audio signal; the second filter 62 in the control structure 60 electrically connected to the middle and high-frequency speakers 50 in the second speaker group 40 filters the part of the input signal with the frequency less than the preset frequency and inputs the filtered part to the second coaxial speaker 22, so that the middle and low-frequency speakers in the second coaxial speaker 22 play the low-frequency audio signal.
In another embodiment of the present application, please refer to fig. 5 to 6, the number of the middle-high speakers 50 is three, the three middle-high speakers 50 are a left middle-high speaker 51, a middle-high speaker 52 and a right middle-high speaker 53, the left middle-high speaker 51 and the first coaxial speaker 21 are located at one end of the housing 10 along the length direction thereof, the right middle-high speaker 53 and the second coaxial speaker 22 are located at the other end of the housing 10 along the length direction thereof, and the middle-high speaker 52 is located between the left middle-high speaker 51 and the right middle-high speaker 53 and located at the middle portion of the housing 10.
In the control structure 60 corresponding to the left mid tweeter 51, the first filter 61 in the control structure 60 is electrically connected to the left mid tweeter 51, and the second filter 62 in the control structure 60 is electrically connected to the first coaxial horn 21.
In the control structure 60 corresponding to the left middle tweeter 51, the first filter 61 in the control structure 60 filters the low-frequency electrical signal in the input signal, and transmits the middle-high frequency electrical signal to the left middle tweeter 51, so that the left high-frequency bar speaker outputs the middle-high frequency audio signal according to the middle-high frequency electrical signal; meanwhile, the second filter 62 in the control structure 60 filters the middle-high frequency electrical signal in the input signal, and then transmits the low frequency electrical signal to the first coaxial speaker 21, so that the first coaxial speaker 21 plays the low frequency audio according to the low frequency electrical signal.
In the control structure 60 corresponding to the right mid-high horn 53, the first filter 61 in the control structure 60 is electrically connected to the right mid-high horn 53, and the second filter 62 in the control structure 60 is electrically connected to the second coaxial horn 22.
In the control structure 60 corresponding to the high-middle loudspeaker 53 at the right position, a first filter 61 in the control structure 60 filters low-frequency electric signals in input signals and transmits the high-middle electric signals to the high-middle loudspeaker 53 at the right position, so that the high-middle audio signals are output by the high-middle strip loudspeaker at the right position according to the high-middle electric signals; meanwhile, the second filter 62 in the control structure 60 filters the medium-high frequency electrical signals in the input signals, and then transmits the low frequency electrical signals to the second coaxial speaker 22, so that the second coaxial speaker 22 plays the low frequency audio according to the low frequency electrical signals.
In the control structure 60 corresponding to the mid-mid-high horn 52, the first filter 61 in the control structure 60 is electrically connected to the mid-high horn 52, and the second filter 62 in the control structure 60 is electrically connected to both the first coaxial horn 21 and the second coaxial horn 22.
In the control structure 60 corresponding to the mid-mid-high-pitch horn 52, after the first filter 61 in the control structure 60 filters the low-frequency electric signals in the input signals, the mid-high-frequency electric signals are transmitted to the mid-high-pitch horn 52, so that the mid-high-pitch horn 52 outputs the mid-high-frequency audio signals according to the mid-high-frequency electric signals; meanwhile, the second filter 62 in the control structure 60 filters the middle-high frequency electrical signals in the input signals, and then transmits the low frequency electrical signals to the first coaxial speaker 21 and the second coaxial speaker 22, so that the first coaxial speaker 21 and the second coaxial speaker 22 play the low frequency audio according to the low frequency electrical signals.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. A soundbar, comprising:
the box body is provided with a top plate and a bottom plate, the top plate and the bottom plate are oppositely arranged, and an accommodating cavity is formed between the top plate and the bottom plate;
coaxial loudspeaker, fixed connection in the box, at least part set up in hold the intracavity, coaxial loudspeaker's top surface is close to in the roof, coaxial loudspeaker's bottom surface is close to in the bottom plate.
2. The sound bar of claim 1, wherein the top surface is flush with the top panel and the bottom surface is flush with the bottom panel.
3. The sound bar of claim 2, wherein the number of coaxial speakers is two, and two of the coaxial speakers are spaced apart along the direction of extension of the cabinet.
4. The sound bar of claim 1 or 3, wherein the sound bar further comprises:
and the middle and high-sound loudspeaker is fixedly connected with the box body, and at least part of the middle and high-sound loudspeaker is arranged in the accommodating cavity.
5. The soundbar of claim 4, wherein the number of said midrange speakers is plural, the plural midrange speakers being spaced apart in sequence along the direction of extension of the cabinet.
6. The sound bar of claim 5, wherein the sound bar further comprises:
control structure, connect in well high-pitched loudspeaker for receive incoming signal, and judge whether the frequency of input limit signal is less than predetermineeing the frequency incoming signal's frequency is greater than or equal to under the condition of predetermineeing the frequency, control structure will incoming signal transmits extremely well high-pitched loudspeaker.
7. The sound bar of claim 6, wherein the control structure is further coupled to the coaxial speaker, the control structure passing the input signal to the coaxial speaker if the frequency of the input signal is less than the predetermined frequency.
8. The sound bar of claim 7, wherein the control structure comprises:
the first filter is electrically connected with the middle and high-pitch loudspeaker and is used for transmitting the input signal to the middle and high-pitch loudspeaker under the condition that the frequency of the input signal is greater than or equal to the preset frequency;
and the second filter is electrically connected with the coaxial horn and is used for transmitting the input signal to the coaxial horn under the condition that the frequency of the input signal is less than the preset frequency.
9. The sound bar of claim 8, wherein the number of control structures is a plurality, wherein a plurality of control structures correspond one-to-one to a plurality of the midrange loudspeakers, and wherein each of the midrange loudspeakers is connected to the control structure corresponding thereto.
10. The sound bar of claim 9, wherein the two coaxial horns are a first coaxial horn and a second coaxial horn, respectively, and wherein a portion of the second filter is electrically coupled to the first coaxial horn and another portion of the second filter is electrically coupled to the second coaxial horn in the plurality of control structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222636307.3U CN218336326U (en) | 2022-09-29 | 2022-09-29 | Bar-shaped sound box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222636307.3U CN218336326U (en) | 2022-09-29 | 2022-09-29 | Bar-shaped sound box |
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| Publication Number | Publication Date |
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| CN218336326U true CN218336326U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222636307.3U Active CN218336326U (en) | 2022-09-29 | 2022-09-29 | Bar-shaped sound box |
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| CN (1) | CN218336326U (en) |
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- 2022-09-29 CN CN202222636307.3U patent/CN218336326U/en active Active
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