CN204316719U - A kind of bugle - Google Patents
A kind of bugle Download PDFInfo
- Publication number
- CN204316719U CN204316719U CN201420758333.6U CN201420758333U CN204316719U CN 204316719 U CN204316719 U CN 204316719U CN 201420758333 U CN201420758333 U CN 201420758333U CN 204316719 U CN204316719 U CN 204316719U
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- CN
- China
- Prior art keywords
- bugle
- compression unit
- extension
- sound channel
- loudspeaker
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Abstract
The utility model discloses a kind of bugle, comprise bugle body, bugle body comprises a up-small and down-big trumpet-shaped extension, there is in extension loudspeaker cavity, feature extension is provided with a compression unit, the upper end of compression unit is connected with the aditus laryngis of loudspeaker, the lower end of compression unit is connected with the upper end of extension, there is in compression unit the first sound channel, first sound channel is connected with loudspeaker cavity, arbitrary cross section of the first sound channel is rectangle, the horizontal direction bus of the inwall of the first sound channel is segmented involute from bottom to top, the vertical direction bus of the inwall of the first sound channel is segmented involute from bottom to top.Advantage is the bugle of this structure, make the sound entered in it, first through compressing section compresses, concentrate again and enter into extension and expand, have outstanding directive property, horizontal directivity and vertical directivity remain unchanged substantially when audio frequency changes, and Dispersion is good, sound transmission distance, sound pressure uniform.
Description
Technical field
The utility model relates to a kind of annex of sound-box device, especially relates to a kind of bugle.
Background technology
Bugle is that a kind of sound amplifies product, and it is generally used in the public address equipment such as audio amplifier, loudspeaker.Bugle common at present comprises source of sound rear end and amplifies front end, and the front end that amplifies is generally the horn mouth of a taper.During work, sound wave is passed through the horn mouth of taper by sound set by bugle, sound transmission can be made to obtain distant.The bugle of this structure, only has simple horn-like cavity, and be difficult to when frequency change to ensure that its level points to the consistency with vertical sensing, the sound causing the position close to bugle to be heard is louder and clearer, and the sound heard away from the position of bugle is more overcast.
The seat designs of current cinema is generally spread from centre to both sides in the horizontal direction, rise highly successively from front to back in vertical direction, and movie theatre audio amplifier is generally mounted in the right and left of motion picture screen, the bugle of said structure is applied on movie theatre audio amplifier, acoustic pressure is uneven, be sitting in the spectators of movie theatre front near audio amplifier position, comparatively resonant voice can be heard, the sound that the spectators being sitting in movie theatre rear position hear is then more overcast, good audio frequency communication effect cannot be reached, cause the overall result of broadcast of movie theatre not good.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of sound pressure uniform and the bugle that its horizontal directivity and vertical directivity remain unchanged substantially when frequency change.
The utility model solves the problems of the technologies described above adopted technical scheme:
A kind of bugle, comprise bugle body, described bugle body comprises a up-small and down-big trumpet-shaped extension, there is in described extension loudspeaker cavity, described extension is provided with a compression unit, the upper end of described compression unit is connected with the aditus laryngis of loudspeaker, the lower end of described compression unit is connected with the upper end of described extension, there is in described compression unit the first sound channel, the first described sound channel is connected with described loudspeaker cavity, arbitrary cross section of the first described sound channel is rectangle, the horizontal direction bus of the inwall of the first described sound channel is segmented involute from bottom to top, the vertical direction bus of the inwall of the first described sound channel is segmented involute from bottom to top.
Described compression unit and described extension are wholely set.Be wholely set and save assembly process, improve production efficiency.
Described compression unit and described extension are split type setting, the lower end outer wall of described compression unit is provided with the first annular connecting plate, the upper end outer wall of described extension is provided with the second annular connecting plate matched with the first described annular connecting plate, is bolted to connection between the first described annular connecting plate and the second described annular connecting plate.Be connected for split type between compression unit with extension, compression unit and extension manufacture separately, be convenient to die sinking, and adaptability pairing can be carried out according to different user demands to the compression unit of different size and extension, adjustability is high, compression unit and extension are bolted to connection easy accessibility in addition, and assembling is simple, is convenient to the M R of parts simultaneously.
The lower port of the first described sound channel and the upper port of described loudspeaker cavity match, and the upper port of the first described sound channel and the aditus laryngis of described loudspeaker match.The audio frequency of loudspeaker enters into the first sound channel by aditus laryngis, the upper port of the first sound channel and the aditus laryngis of loudspeaker match, the audio frequency sent by loudspeaker is made can all to enter into the first sound channel, the lower port of the first sound channel and the upper port of loudspeaker cavity match, the audio frequency entering the first sound channel compressions all can enter into loudspeaker cavity and carry out expansion amplification, improve the operating efficiency of bugle, result of broadcast is good.
Arbitrary cross section of described loudspeaker cavity is rectangle, and the horizontal direction bus of the inwall of described loudspeaker cavity is segmented involute from top to bottom, and the vertical direction bus of the inwall of described loudspeaker cavity is segmented involute from top to bottom.By the sound that the loudspeaker cavity of this structure plays back, good tone color, penetration power is strong.
The wall thickness everywhere of described compression unit is all consistent, and the wall thickness everywhere of described extension is all consistent.Wall thickness is consistent, makes manufacture fairly simple, the easy demoulding.
The material of described compression unit is reinforced plastic glass fibre.Adopt reinforced plastic glass fibre to manufacture compression unit, make compression unit good corrosion resistance, mechanical strength high.
The material of described bugle body is ABS plastic.Bugle body adopts ABS plastic manufacture, is easy to processing, low cost of manufacture, and product size is stablized, and lustrous surface is good.
The outer wall of described bugle body is provided with the reinforcement of the bugle body outer wall longitudinal extension described in many edges.Outside bugle body, reinforcement is set, when bugle rear body connection loudspeaker sends the sound of high frequency, increase the mechanical strength of bugle body, bugle body is not vibrated, thus do not affect the quality of high pitch, avoid occurring high pitch distortion or producing the faults such as noise, ensure that voice quality.
Compared with prior art, the utility model has the advantage of: a compression unit is set above trumpet-shaped extension, first sound channel is set in this compression unit, the horizontal direction bus of the inwall of the first sound channel is segmented involute from bottom to top, the vertical direction bus of the inwall of the first sound channel is segmented involute from bottom to top, first sound channel of this structure, make the sound entered in it, first through overcompression, concentrate again and enter into extension and expand, so avoid the possibility that the consume of efficiency and distortion are played up, this bugle is made to have outstanding directive property, horizontal directivity and vertical directivity remain unchanged substantially when audio frequency changes, solve the problem that when departing from bugle axis, medium-high frequency reduces gradually simultaneously, Dispersion is good, sound transmission distance, sound pressure uniform, level points to >=100 °, time frequency response balanced decay≤6dB.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is A-A cutaway view in Fig. 2;
Fig. 4 is B-B cutaway view in Fig. 2;
Fig. 5 is that the utility model embodiment one coordinates the cutaway view installed with loudspeaker;
Fig. 6 is that the utility model embodiment two coordinates the cutaway view installed with loudspeaker;
Fig. 7 is that the utility model level points to different angles frequency response figure.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Embodiment one: as shown in the figure, a kind of bugle, comprise bugle body 1, bugle body 1 comprises a up-small and down-big trumpet-shaped extension 2, there is in extension 2 loudspeaker cavity 21, extension 2 is provided with a compression unit 3, the upper end of compression unit 3 is connected with the aditus laryngis 41 of loudspeaker 4, the lower end of compression unit 3 is connected with the upper end of extension 2, there is in compression unit 3 first sound channel 31, first sound channel 31 is connected with loudspeaker cavity 21, arbitrary cross section of the first sound channel 31 is rectangle, the horizontal direction bus 5 of the inwall of the first sound channel 31 is segmented involute from bottom to top, the vertical direction bus 6 of the inwall of the first sound channel 31 is segmented involute from bottom to top.
In this particular embodiment, as shown in Figure 5, compression unit 3 and extension 2 are split type setting, the lower end outer wall of compression unit 3 is provided with the first annular connecting plate 32, the upper end outer wall of extension 2 is provided with being bolted to connection between the second annular connecting plate 22, first annular connecting plate 32 and the second annular connecting plate 22 of matching with the first annular connecting plate 32.Be connected for split type between compression unit 3 with extension 2, compression unit 3 and extension 2 manufacture separately, be convenient to die sinking, and adaptability pairing can be carried out according to different user demands to the compression unit 3 of different size and extension 2, adjustability is high, compression unit 3 and extension 2 are bolted to connection easy accessibility in addition, and assembling is simple, is convenient to the M R of parts simultaneously.
In this particular embodiment, the lower port of the first sound channel 31 and the upper port of loudspeaker cavity 21 match, and the upper port of the first sound channel 31 and the aditus laryngis 41 of loudspeaker 4 match.The audio frequency of loudspeaker 4 enters into the first sound channel 31 by aditus laryngis 41, the upper port of the first sound channel 31 and the aditus laryngis 41 of loudspeaker 4 match, make the audio frequency sent by loudspeaker 4 all can enter into the first sound channel 31, the lower port of the first sound channel 31 and the upper port of loudspeaker cavity 21 match, the audio frequency entering the first sound channel 31 compression all can enter into loudspeaker cavity 21 and carry out expansion amplification, improve the operating efficiency of bugle, result of broadcast is good.
In this particular embodiment, arbitrary cross section of loudspeaker cavity 21 is rectangle, and the horizontal direction bus 7 of the inwall of loudspeaker cavity 21 is segmented involute from top to bottom, and the vertical direction bus 8 of the inwall of loudspeaker cavity 21 is segmented involute from top to bottom.By the sound that the loudspeaker cavity 21 of this structure plays back, good tone color, penetration power is strong.
In this particular embodiment, the wall thickness everywhere of compression unit 3 is all consistent, and the wall thickness everywhere of extension 2 is all consistent.Wall thickness is consistent, makes manufacture fairly simple, the easy demoulding.
In this particular embodiment, the material of compression unit 3 is reinforced plastic glass fibre.Adopt reinforced plastic glass fibre to manufacture compression unit, make the good corrosion resistance of compression unit 3, mechanical strength high.
In this particular embodiment, the outer wall of bugle body 1 is provided with many reinforcements 9 along bugle body 1 outer wall longitudinal extension.Reinforcement 9 is set outside bugle body 1, when bugle body 1 rear portion connection loudspeaker sends the sound of high frequency, increase the mechanical strength of bugle body 1, bugle body 1 is not vibrated, thus do not affect the quality of high pitch, avoid occurring high pitch distortion or producing the faults such as noise, ensure that voice quality.
Embodiment two: other parts are identical with embodiment one, its difference is that compression unit 3 and extension 2 are wholely set.Be wholely set and save assembly process, improve production efficiency, as shown in Figure 6.
Embodiment three: other parts are identical with embodiment one or embodiment two, its difference is that the material of bugle body 1 is ABS plastic.Bugle body 1 adopts ABS plastic manufacture, is easy to processing, low cost of manufacture, and product size is stablized, and lustrous surface is good.
Claims (9)
1. a bugle, comprise bugle body, described bugle body comprises a up-small and down-big trumpet-shaped extension, there is in described extension loudspeaker cavity, it is characterized in that described extension being provided with a compression unit, the upper end of described compression unit is connected with the aditus laryngis of loudspeaker, the lower end of described compression unit is connected with the upper end of described extension, there is in described compression unit the first sound channel, the first described sound channel is connected with described loudspeaker cavity, arbitrary cross section of the first described sound channel is rectangle, the horizontal direction bus of the inwall of the first described sound channel is segmented involute from bottom to top, the vertical direction bus of the inwall of the first described sound channel is segmented involute from bottom to top.
2. a kind of bugle as claimed in claim 1, is characterized in that described compression unit and described extension are wholely set.
3. a kind of bugle as claimed in claim 1, it is characterized in that described compression unit and described extension are split type setting, the lower end outer wall of described compression unit is provided with the first annular connecting plate, the upper end outer wall of described extension is provided with the second annular connecting plate matched with the first described annular connecting plate, is bolted to connection between the first described annular connecting plate and the second described annular connecting plate.
4. a kind of bugle as claimed in claim 3, it is characterized in that the lower port of the first described sound channel and the upper port of described loudspeaker cavity match, the upper port of the first described sound channel and the aditus laryngis of described loudspeaker match.
5. a kind of bugle as claimed in claim 1, it is characterized in that arbitrary cross section of described loudspeaker cavity is rectangle, the horizontal direction bus of the inwall of described loudspeaker cavity is segmented involute from top to bottom, and the vertical direction bus of the inwall of described loudspeaker cavity is segmented involute from top to bottom.
6. a kind of bugle as claimed in claim 1, it is characterized in that the wall thickness everywhere of described compression unit is all consistent, the wall thickness everywhere of described extension is all consistent.
7. a kind of bugle as claimed in claim 1, is characterized in that the material of described compression unit is reinforced plastic glass fibre.
8. a kind of bugle as claimed in claim 1, is characterized in that the material of described bugle body is ABS plastic.
9. a kind of bugle as described in claim 1 or 8, the outer wall that it is characterized in that described bugle body is provided with the reinforcement of the bugle body outer wall longitudinal extension described in many edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758333.6U CN204316719U (en) | 2014-12-05 | 2014-12-05 | A kind of bugle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758333.6U CN204316719U (en) | 2014-12-05 | 2014-12-05 | A kind of bugle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204316719U true CN204316719U (en) | 2015-05-06 |
Family
ID=53139013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420758333.6U Expired - Fee Related CN204316719U (en) | 2014-12-05 | 2014-12-05 | A kind of bugle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204316719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105530562A (en) * | 2016-01-26 | 2016-04-27 | 夏德成 | linearity loudspeaker system high tone horn |
| CN107979788A (en) * | 2017-12-06 | 2018-05-01 | 佛山市博声专业音响有限公司 | A kind of coaxial bugle of medium-high frequency |
-
2014
- 2014-12-05 CN CN201420758333.6U patent/CN204316719U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105530562A (en) * | 2016-01-26 | 2016-04-27 | 夏德成 | linearity loudspeaker system high tone horn |
| CN107979788A (en) * | 2017-12-06 | 2018-05-01 | 佛山市博声专业音响有限公司 | A kind of coaxial bugle of medium-high frequency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20161205 |