CN204425621U - A kind of Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter - Google Patents
A kind of Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter Download PDFInfo
- Publication number
- CN204425621U CN204425621U CN201420865373.0U CN201420865373U CN204425621U CN 204425621 U CN204425621 U CN 204425621U CN 201420865373 U CN201420865373 U CN 201420865373U CN 204425621 U CN204425621 U CN 204425621U
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- China
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- road
- wiping block
- switching device
- input port
- power amplifier
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Abstract
The utility model discloses a kind of Hi-Fi high-fidelity power amplifier AB road and connect audio amplifier switching device shifter, include shell and commutation circuit, the front and back panel of described shell is respectively arranged with the input port and AB road audio output port that connect power amplifier; Described commutation circuit includes four pieces of U-shaped metal wiping blocks and linked switching device, and the bottom of described wiping block contacts with the input port connecting power amplifier, and at the most in the audio amplifier output of AB road adjacent with two one of two tops of described each wiping block contacts.The utility model by accessing two-way audio amplifier at switching device shifter simultaneously, and uses U-shaped wiping block to realize the switching of two-way audio amplifier, eliminates patching operations continually; Utilize the hemisphere top of U-shaped wiping block to realize the close contact with output, and the audio signal loss adopting silver lead-in wire to make to be exported by power amplifier is zero, realizes the high-fidelity of audio frequency simultaneously.The utility model connects audio amplifier switching device shifter as a kind of Hi-Fi high-fidelity power amplifier AB road can be widely used in audio frequency output field.
Description
Technical field
The utility model relates to audio frequency and exports field, and especially a kind of Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter.
Background technology
General music-lover generally has a set of high-fidelity power amplifier (as high-quality electronic tube power amplifier), pursue as U.S. BASE, Polk Audio or Britain KEF, Rogers etc. two audio amplifier to above different-style simultaneously, frequent exchange external speaker carrys out music appreciating, to meet the different artistic treat of taste, this just needs at same limited equipment placing space mounting or dismounting audio amplifier connecting line, not only effort but also inconvenience, especially when narrow space, operation is more difficult.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is: provide a kind of Hi-Fi high-fidelity power amplifier AB road that is little, that be easy to operate that takes up room to connect audio amplifier switching device shifter.
The technical scheme that the utility model adopts is: a kind of Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter, include shell and be arranged at the commutation circuit in shell, the front panel of described shell is disposed with the first negative input mouth, one 4 Europe input port, one 8 Europe input port, 28 Europe input port, 24 Europe input port, second negative input mouth, the rear board of described shell is also provided with AB road audio output, described AB road audio amplifier output includes an A road audio frequency negative output terminal successively, one B road audio frequency negative output terminal, one A road audio frequency positive output end, one B road audio frequency positive output end, 2nd A road audio frequency positive output end, 2nd B road audio frequency positive output end, 2nd A road audio frequency negative output terminal, 2nd B road audio frequency negative output terminal, described commutation circuit includes four pieces of U-shaped metal wiping blocks and makes the linked switching device of same movement for promoting wiping block, as shown in Fig. 1 dotted portion, described four pieces of U-shaped metal wiping blocks are the first wiping block, second wiping block, 3rd wiping block and the 4th wiping block, described first negative input mouth contacts with the bottom of the first wiping block, one 4 Europe input port all contacts with the bottom of the second wiping block with the one 8 Europe input port, 28 Europe input port all contacts with the bottom of the 3rd wiping block with the 24 Europe input port, second negative input mouth contacts with the bottom of the 4th wiping block, an output in the AB road audio output that two tops of described each U-shaped metal wiping block are adjacent with two at the most contacts.
Further, described four pieces of U-shaped metal wiping blocks are made up of anaerobic fine copper.
Further, two tops of described each U-shaped metal wiping block are hemisphere.
Further, the output port on the front panel of described shell is connected with silver lead-in wire with the bottom of U-shaped metal wiping block.
Further, described linked switching device is made up of insulating material, and described upper surface of outer cover is provided with a limit opening, and described linked switching device includes one and stirs control end, described in stir control end and be arranged on opening.
Further, described in stir control end when dialing to the two ends of limit opening respectively, one in described U-shaped metal wiping block two tops contacts with an output in the audio output of AB road just.
The beneficial effects of the utility model are: the utility model by accessing two-way audio amplifier in switching device shifter simultaneously, and uses U-shaped wiping block to realize the switching of two-way audio amplifier, eliminates patching operations continually, audio amplifier are switched more convenient; Utilize the hemisphere top of U-shaped wiping block to realize the close contact with output, and the audio signal loss adopting silver lead-in wire to make to be inputted by power amplifier is zero, realizes the high-fidelity of audio frequency simultaneously.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
With reference to Fig. 1, a kind of Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter, include shell and be arranged at the commutation circuit in shell, the front panel of described shell is disposed with the first negative input mouth as shown in Figure 1 from right to left, one 4 Europe input port, one 8 Europe input port, 28 Europe input port, 24 Europe input port, second negative input mouth, the rear board of described shell is also provided with the AB road audio output for connecting AB road audio amplifier, described AB road audio output includes an A road audio frequency negative output terminal from right to left successively, one B road audio frequency negative output terminal, one A road audio frequency positive output end, one B road audio frequency positive output end, 2nd A road audio frequency positive output end, 2nd B road audio frequency positive output end, 2nd A road audio frequency negative output terminal, 2nd B road audio frequency negative output terminal, described commutation circuit includes four pieces of U-shaped metal wiping blocks and makes the linked switching device of same movement for promoting wiping block, described four pieces of U-shaped metal wiping blocks are the first wiping block be arranged in order from right to left as shown in Figure 1, second wiping block, 3rd wiping block and the 4th wiping block, described first negative input mouth contacts with the bottom of the first wiping block, one 4 Europe input port all contacts with the bottom of the second wiping block with the one 8 Europe input port, 28 Europe input port all contacts with the bottom of the 3rd wiping block with the 24 Europe input port, second negative input mouth contacts with the bottom of the 4th wiping block, an output in the AB road audio output that two tops of described each U-shaped metal wiping block are adjacent with two at the most contacts.
Described input port is divided into 8 Europe and two groups, 4 Europe binding post, for connecting the output wiring terminal of the different impedance of power amplifier.
Be further used as preferred embodiment, described four pieces of U-shaped metal wiping blocks are made up of anaerobic fine copper.
Be further used as preferred embodiment, two tops of described each U-shaped metal wiping block are hemisphere.
When mutually switching, between wiping point and line contact, energy close contact is for principle with circuit for anaerobic fine copper wiping point, and preferred shape is hemisphere, to ensure that audio signal is good by touching at transmitting procedure circuit.
Be further used as preferred embodiment, the output port on the front panel of described shell is connected with silver lead-in wire with the bottom of U-shaped metal wiping block, ensures that the audio signal loss exported by power amplifier is zero.
Be further used as preferred embodiment, described linked switching device is made up of insulating material, and described upper surface of outer cover is provided with a limit opening, and described linked switching device includes one and stirs control end, described in stir control end and be arranged on opening.
Be further used as preferred embodiment, described in stir control end when dialing to the two ends of limit opening respectively, one in described U-shaped metal wiping block two tops contacts with an output in the audio output of AB road just.
When using the utility model device, front panel such as, use the first negative input mouth, one 4 Europe input port, one 8 Europe input port, 28 Europe input port, 24 Europe input port, second negative input mouth, the rear board of described shell is also provided with AB road audio output, described AB road audio output includes an A road audio frequency negative output terminal as shown in Figure 1 from right to left successively, one B road audio frequency negative output terminal, one A road audio frequency positive output end, one B road audio frequency positive output end, 2nd A road audio frequency positive output end, 2nd B road audio frequency positive output end, 2nd A road audio frequency negative output terminal, 2nd B road audio frequency negative output terminal, described commutation circuit includes four pieces of U-shaped metal wiping blocks and makes the linked switching device of same movement for promoting wiping block, described four pieces of U-shaped metal wiping blocks are the first wiping block, the second wiping block, the 3rd wiping block and the 4th wiping block, described first negative input mouth contacts with the bottom of the first wiping block, one 4 Europe input port all contacts with the bottom of the second wiping block with the one 8 Europe input port, 28 Europe input port all contacts with the bottom of the 3rd wiping block with the 24 Europe input port, and the second negative input mouth contacts with the bottom of the 4th wiping block, an output in the AB road audio output that two tops of described each U-shaped metal wiping block are adjacent with two at the most contacts.
Six ports such as the first negative input mouth, the one 4 Europe input port, the one 8 Europe input port, the 28 Europe input port, the 24 Europe input port, the second negative input mouth connect audio signal output end corresponding to power amplifier; One A road audio frequency negative output terminal and audio frequency positive output termination the one A road, an A road audio amplifier, the 2nd A road audio frequency negative output terminal and the 2nd audio frequency positive output termination the 2nd A road, A road audio amplifier; One B road audio frequency negative output terminal and audio frequency positive output termination the one B road, a B road audio amplifier, the 2nd B road audio frequency negative output terminal and the 2nd audio frequency positive output termination the 2nd B road, B road audio amplifier; Now if desired switch to B road audio amplifier from A road audio amplifier, only need the control end of stirring of linked switching device to dial to left end from the right-hand member of limit opening.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art can also make all equivalents or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (6)
1. a Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter, it is characterized in that: include shell and be arranged at the commutation circuit in shell, the front panel of described shell is disposed with the first negative input mouth, one 4 Europe input port, one 8 Europe input port, 28 Europe input port, 24 Europe input port, second negative input mouth, the rear board of described shell is also provided with AB road audio output, described AB road audio output includes an A road audio frequency negative output terminal successively, one B road audio frequency negative output terminal, one A road audio frequency positive output end, one B road audio frequency positive output end, 2nd A road audio frequency positive output end, 2nd B road audio frequency positive output end, 2nd A road audio frequency negative output terminal, 2nd B road audio frequency negative output terminal, described commutation circuit includes four pieces of U-shaped metal wiping blocks and makes the linked switching device of same movement for promoting wiping block, described four pieces of U-shaped metal wiping blocks are the first wiping block, the second wiping block, the 3rd wiping block and the 4th wiping block, described first negative input mouth contacts with the bottom of the first wiping block, one 4 Europe input port all contacts with the bottom of the second wiping block with the one 8 Europe input port, 28 Europe input port all contacts with the bottom of the 3rd wiping block with the 24 Europe input port, and the second negative input mouth contacts with the bottom of the 4th wiping block, an output in the AB road audio output that two tops of described each U-shaped metal wiping block are adjacent with two at the most contacts.
2. a kind of Hi-Fi high-fidelity power amplifier AB road according to claim 1 connects audio amplifier switching device shifter, it is characterized in that: described four pieces of U-shaped metal wiping blocks are made up of anaerobic fine copper.
3. a kind of Hi-Fi high-fidelity power amplifier AB road according to claim 2 connects audio amplifier switching device shifter, it is characterized in that: two tops of described each U-shaped metal wiping block are hemisphere.
4. a kind of Hi-Fi high-fidelity power amplifier AB road according to claim 1 connects audio amplifier switching device shifter, it is characterized in that: the input port on the front panel of described shell is connected with silver lead-in wire with the bottom of U-shaped metal wiping block.
5. a kind of Hi-Fi high-fidelity power amplifier AB road according to claim 1 connects audio amplifier switching device shifter, it is characterized in that: described linked switching device is made up of insulating material, described upper surface of outer cover is provided with a limit opening, described linked switching device includes one and stirs control end, described in stir control end and be arranged on opening.
6. a kind of Hi-Fi high-fidelity power amplifier AB road according to claim 5 connects audio amplifier switching device shifter, it is characterized in that: described in stir control end when dialing to the two ends of limit opening respectively, one in described U-shaped metal wiping block two tops contacts with an output in the audio output of AB road just.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865373.0U CN204425621U (en) | 2014-12-30 | 2014-12-30 | A kind of Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865373.0U CN204425621U (en) | 2014-12-30 | 2014-12-30 | A kind of Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204425621U true CN204425621U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865373.0U Expired - Fee Related CN204425621U (en) | 2014-12-30 | 2014-12-30 | A kind of Hi-Fi high-fidelity power amplifier AB road connects audio amplifier switching device shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204425621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198583A (en) * | 2017-12-25 | 2018-06-22 | 河源市美晨联合智能硬件电子研究院 | The method of terminal and its control Hi-Fi playing functions, storage device |
-
2014
- 2014-12-30 CN CN201420865373.0U patent/CN204425621U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198583A (en) * | 2017-12-25 | 2018-06-22 | 河源市美晨联合智能硬件电子研究院 | The method of terminal and its control Hi-Fi playing functions, storage device |
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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 |
Granted publication date: 20150624 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |