CN205754715U - A kind of dual-purpose audio amplifier of cobble shaped - Google Patents
A kind of dual-purpose audio amplifier of cobble shaped Download PDFInfo
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- CN205754715U CN205754715U CN201521125501.9U CN201521125501U CN205754715U CN 205754715 U CN205754715 U CN 205754715U CN 201521125501 U CN201521125501 U CN 201521125501U CN 205754715 U CN205754715 U CN 205754715U
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- dual
- audio amplifier
- lower casing
- subwoofer
- purpose audio
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Abstract
This utility model provides a kind of dual-purpose audio amplifier of cobble shaped, as subwoofer or 2.1 audio amplifiers, including upper casing, lower casing and guard；Described lower casing and described upper casing are sealed connected together formation one cobblestone-appearance main body, for accommodating cavity in cobblestone-appearance main body；Left and right seal box, two bass horns, power amplifier PCB, airduct and circuit board it is provided with in described accommodating cavity；Described left and right structure of seal box is identical, all has the seal groove being mutually matched and seals lid, being contained in the keyset in this seal groove, and be loaded in the Full-frequency trumpet on described keyset；Described seal groove is removably loaded on described lower casing.Described cobble shaped subwoofer and 2.1 dual-purpose audio amplifiers overcome the covibration of cylindrical shape subwoofer audio amplifier, add the controllability of subwoofer, also achieve dual-use, save die cost, reduce production cost.
Description
Technical field
This utility model relates to technology for loudspeaker box field, in particular it relates to a kind of dual-purpose audio amplifier of cobble shaped.
Background technology
Subwoofer is one of sub-woofer and is commonly called as or is called for short, wheat blue (the most present wheat is won) propose in a creative way.For the audio analysis of human ear audible, it is made up of mega bass, bass, low middle pitch, middle pitch, alt, high pitch, ultrahigh frequency etc., has the effect of strengthening syllable rhythm.The audible of mega bass loudspeaker human ear is extremely limited, is that other sense organ of people can be experienced on the contrary, here it is the sensation of shock！For sound equipment with the needs in the audio program source of home theater reflection, mega bass simply exists in specific program source and needs reduction, has it, and the reduction that can make program source is more solid, without it, just lacks the sensation of strength, energy to people.Such as, at the cinema or in reality, we can experience the shock of that strength and energy when taking off, but if our home theater is configured without mega bass Horn loudspeaker box or unreasonable allocation, people just cannot experience this shock.
In audio amplifier, the position of loudspeaker and collocation are all the key factors affecting audio amplifier tonequality.Existing subwoofer audio amplifier is mostly cylindrical or tubular.This subwoofer is disadvantageous in that radiating effect is not ideal enough, and power is little, and the moulding of cartridge type or cylinder would generally produce unnecessary covibration, makes the controllability of subwoofer decline.
2.1 audio amplifiers are made up of the full-range cabinet (typically referred to as satellite box) that a woofer (typically be referred to as subwoofer) and a pair bass are more weak, and the satellite box of minority 2.1 audio amplifier can make two frequency dividings." 2 " in " 2.1 " refer to standard double track (stereo)；" .1 " in " 2.1 " refers to individually divide " bass " sound channel of general about below the 100Hz of output.
Subwoofer and 2.1 audio amplifiers arrange difference what structure had bass horn and Full-frequency trumpet only, and remaining structure is essentially identical.But, in process of production, producer can be fabricated separately mould for independent subwoofer and 2.1 monomer audio amplifiers, and uses a set of production system respectively.This not only wastes mould, also add production cost.
Utility model content
In order to overcome the deficiencies in the prior art, this utility model provides a kind of dual-purpose audio amplifier of cobble shaped, as subwoofer or 2.1 audio amplifiers, overcomes the covibration of cylindrical shape subwoofer audio amplifier, adds the controllability of subwoofer；Described cobble shaped subwoofer and 2.1 dual-purpose audio amplifiers also achieve dual-use, use a kind of mode when design, during die sinking, use one set of die, have only to during use exchange to reach corresponding function section components in audio amplifier, thus save die cost, reduce production cost.
The technical solution of the utility model is as follows: a kind of dual-purpose audio amplifier of cobble shaped, as subwoofer or 2.1 audio amplifiers, including upper casing, lower casing and guard；Described lower casing and described upper casing are sealed connected together formation one cobblestone-appearance main body, for accommodating cavity in cobblestone-appearance main body；Left and right seal box, two bass horns, power amplifier PCB, airduct and circuit board it is provided with in described accommodating cavity；Described left and right structure of seal box is identical, all has the seal groove being mutually matched and seals lid, being contained in the keyset in this seal groove, and be loaded in the Full-frequency trumpet on described keyset；Described seal groove is removably loaded on described lower casing；Described guard covers the outer surface of described lower casing and fixing with the peripheral sealing of described lower casing is connected.
Described upper casing is internal is provided with several hole, location to being mutually matched and locating dowel inside described lower casing, and described locating dowel is inserted in hole, described location.
The outer surface of described upper casing is provided with button, including shift knob and volume knob；The inner surface of described upper casing is provided with sealing plate, button and control PCB in the position that button is corresponding.
The bottom of described lower casing is provided with the holding plane of a projection, and this holding plane is additionally provided with silicagel pad.
Described guard is provided with, in the position of corresponding described holding plane, the putting hole that the periphery with described holding plane matches.
Being additionally provided with airduct mouth on described guard, described airduct mouth is directed at the airduct in described accommodating cavity.
It is additionally provided with connecting groove on described guard, in described connecting groove, is provided with data line interface, USB interface and earphone jack.
The beneficial effects of the utility model are: the dual-purpose audio amplifier of cobble shaped described in the utility model, as subwoofer or 2.1 audio amplifiers, overcome the covibration of cylindrical shape subwoofer audio amplifier, add the controllability of subwoofer；Described cobble shaped subwoofer and 2.1 dual-purpose audio amplifiers also achieve dual-use, use a kind of mode when design, during die sinking, use one set of die, have only to during use exchange to reach corresponding function section components in audio amplifier, thus save die cost, reduce production cost.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the dual-purpose audio amplifier of cobble shaped described in the utility model.
Fig. 2 is the decomposition texture schematic diagram of the dual-purpose audio amplifier of cobble shaped described in the utility model.
Fig. 3 is the concrete structure schematic diagram of Fig. 2.
Detailed description of the invention
In order to make utility model purpose of the present utility model, technical scheme and technique effect are clearer, are described further this utility model below in conjunction with detailed description of the invention.Should be understood that specific embodiment described herein and relevant drawings, be only used for explaining this utility model, be not used to limit this utility model.
Referring to figs. 1 through Fig. 3, a kind of dual-purpose audio amplifier of cobble shaped, as subwoofer or 2.1 audio amplifiers, including upper casing 10, lower casing 20 and guard 30.Described lower casing 20 and described upper casing 10 are sealed connected together formation one cobblestone-appearance main body, for accommodating cavity in cobblestone-appearance main body.Described guard 30 covers the outer surface of described lower casing 20 and fixing with the peripheral sealing of described shell 20 is connected.Left and right seal box 24, two bass horns 25, power amplifier PCB 26, airduct 27, circuit board 28 etc. it is provided with in described accommodating cavity.Described left and right seal box 24 structure is identical, all has the seal groove 241 being mutually matched and seals lid 242, being contained in the keyset 243 in this seal groove 241, and be loaded in the Full-frequency trumpet 245 on described keyset 243.The bottom of described seal groove 241 is fixedly mounted on described lower casing 20.The described lid 242 that seals seals described seal groove 241.Described Full-frequency trumpet 245 is able to receive that and plays the signal that described power amplifier PCB 26 transmits, and electrically connects with described circuit board 28.
Described upper casing 10 is internal and described lower casing 20 is internal is provided with several hole, location 11 to being mutually matched and locating dowel 21, and when described lower casing 20 is connected with described upper casing 10, described locating dowel 21 is inserted in hole, described location 11.
The outer surface of described upper casing 10 is provided with button 12, including shift knob and volume knob.The inner surface of described upper casing 10 is provided with sealing plate 13, button 14 and control PCB15 in the position of button 12 correspondence.
The bottom of described lower casing 20 is provided with the holding plane 22 of a projection, and this holding plane 22 enables the placement that described subwoofer audio amplifier is firm on the table.It is additionally provided with silicagel pad 23 on described holding plane 22, increases the steadiness that described cobble shaped subwoofer audio amplifier is placed.
Described guard 30 is provided with putting hole 31 in the position of corresponding described holding plane 22.The periphery of described putting hole 31 matches with the periphery of described holding plane 22.Airduct mouth 32 and connecting groove 33 it is additionally provided with on described guard 30.Described airduct mouth 32 is directed at the airduct in described accommodating cavity.It is provided with data line interface, USB interface and earphone jack in described connecting groove 33.
Described cobble shaped subwoofer and 2.1 dual-purpose audio amplifiers, when needs are as subwoofer audio amplifier, change the 3rd bass horn into by the Full-frequency trumpet 245 in described left seal box 24, and the Full-frequency trumpet 245 in described right seal box 24 is removed.When needs are as 2.1 audio amplifier, retain described left and right seal box 24 and Full-frequency trumpet therein 2245, and two bass horns 25.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, its framework form can be flexible and changeable, can be with subseries product.Simply make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that this utility model is determined by the claims submitted to.
Claims (7)
1. the dual-purpose audio amplifier of cobble shaped, as subwoofer or 2.1 audio amplifiers, including upper casing, lower casing and net
Cover；It is characterized in that, described lower casing and described upper casing are sealed connected together formation one cobblestone-appearance main body,
For accommodating cavity in cobblestone-appearance main body；Left and right seal box, two basses it are provided with in described accommodating cavity
Loudspeaker, power amplifier PCB, airduct and circuit board；Described left and right structure of seal box is identical, all has mutual
The seal groove joined and sealing lid, be contained in the keyset in this seal groove, and be loaded on described keyset
Full-frequency trumpet；Described seal groove is removably loaded on described lower casing；Described guard covers described lower casing
Outer surface also fixing with the peripheral sealing of described lower casing is connected.
2. the dual-purpose audio amplifier of cobble shaped as claimed in claim 1, it is characterised in that described upper casing internal and
Being provided with several hole, location to being mutually matched and locating dowel inside described lower casing, described locating dowel inserts described location
Kong Zhong.
3. the dual-purpose audio amplifier of cobble shaped as claimed in claim 1 or 2, it is characterised in that described upper casing
Outer surface is provided with button, including shift knob and volume knob；The inner surface of described upper casing is at button
Corresponding position is provided with sealing plate, button and control PCB.
4. the dual-purpose audio amplifier of cobble shaped as claimed in claim 1 or 2, it is characterised in that described lower casing
Bottom is provided with the holding plane of a projection, and this holding plane is additionally provided with silicagel pad.
5. the dual-purpose audio amplifier of cobble shaped as claimed in claim 4, it is characterised in that described guard is in correspondence
The position of described holding plane is provided with the putting hole that the periphery with described holding plane matches.
6. the dual-purpose audio amplifier of cobble shaped as claimed in claim 4, it is characterised in that also set on described guard
Having airduct mouth, described airduct mouth is directed at the airduct in described accommodating cavity.
7. the dual-purpose audio amplifier of cobble shaped as claimed in claim 4, it is characterised in that also set on described guard
There is connecting groove, in described connecting groove, be provided with data line interface, SD interface, USB interface and earphone jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125501.9U CN205754715U (en) | 2015-12-28 | 2015-12-28 | A kind of dual-purpose audio amplifier of cobble shaped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125501.9U CN205754715U (en) | 2015-12-28 | 2015-12-28 | A kind of dual-purpose audio amplifier of cobble shaped |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205754715U true CN205754715U (en) | 2016-11-30 |
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ID=57388117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521125501.9U Active CN205754715U (en) | 2015-12-28 | 2015-12-28 | A kind of dual-purpose audio amplifier of cobble shaped |
Country Status (1)
| Country | Link |
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| CN (1) | CN205754715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921906A (en) * | 2017-04-21 | 2017-07-04 | 广东裕利智能科技股份有限公司 | A kind of portable broadcasting audio amplifier |
-
2015
- 2015-12-28 CN CN201521125501.9U patent/CN205754715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921906A (en) * | 2017-04-21 | 2017-07-04 | 广东裕利智能科技股份有限公司 | A kind of portable broadcasting audio amplifier |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |