CN210899524U - Multifunctional audio frequency conversion control device - Google Patents
Multifunctional audio frequency conversion control device Download PDFInfo
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- CN210899524U CN210899524U CN201922493624.2U CN201922493624U CN210899524U CN 210899524 U CN210899524 U CN 210899524U CN 201922493624 U CN201922493624 U CN 201922493624U CN 210899524 U CN210899524 U CN 210899524U
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Abstract
The utility model provides a multi-functional audio frequency changes accuse device, include: the interface unit at least comprises a first audio interface end and a second audio interface end, wherein the core pins of the first audio interface end and the second audio interface end are different; an execution unit including a microphone for implementing a reception mode and a speaker for implementing a sound emission mode; and the conversion operation unit is respectively electrically connected with the interface unit and the execution unit and comprises a receiving and transmitting switch and an interface switch, the interface switch is used for controlling the conversion of the first audio interface end and the second audio interface end, and the receiving and transmitting switch is used for controlling the conversion of the sound receiving mode and the sound production mode. Compared with the prior art, the utility model discloses a multi-functional audio frequency is changeed accuse device easy operation and commonality are strong.
Description
Technical Field
The utility model relates to a communication equipment technical field especially relates to an apply to production, debugging of radio station, reach the multi-functional audio frequency of outer factory maintenance and change accuse device.
Background
In current communication equipment, the audio frequency interface is various, brings a lot of inconveniences for debugging work, and the radio station in the production process mainly adopts seven core audio frequency sockets and fourteen core audio frequency sockets at present, still includes many non-standard interfaces simultaneously, consequently need supporting earphone microphone subassembly that uses and have seven core plugs or fourteen core plugs in the use, has not only increased debugging equipment purchasing cost, also does not do benefit to the debugging personnel operation moreover.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a multi-functional audio frequency that easy operation and commonality are strong changes accuse device.
In order to solve the technical problem, the utility model provides a multi-functional audio frequency changes accuse device, include: the interface unit at least comprises a first audio interface end and a second audio interface end, wherein the core pins of the first audio interface end and the second audio interface end are different; an execution unit including a microphone for implementing a reception mode and a speaker for implementing a sound emission mode; and the conversion operation unit is respectively electrically connected with the interface unit and the execution unit and comprises a receiving and transmitting switch and an interface switch, the interface switch is used for controlling the conversion of the first audio interface end and the second audio interface end, and the receiving and transmitting switch is used for controlling the conversion of the sound receiving mode and the sound production mode.
Preferably, the first audio interface end is a seven-core interface end and the second audio interface end is a fourteen-core interface end.
Preferably, the conversion operation unit further includes a data interface terminal.
Preferably, the conversion operation unit further comprises a working indicator lamp and a transceiving indicator lamp which are arranged on the conversion operation unit, the transceiving switch is connected with the transceiving indicator lamp, and the transceiving switch is used for driving the transceiving indicator lamp to display in different modes by switching a receiving mode and a sound production mode.
Preferably, the interface switch is a double-pole double-throw relay, which is a single-pole double-position switch for PTT matched with audio frequency keying.
Compared with the prior art, the multifunctional audio rotary control device can realize the conversion of different interface ends and the conversion of the sound receiving mode and the sound production mode; the problem of the radio station interface is non-uniform is solved, a set of multi-purpose is realized, the universality is effectively improved, the use cost is reduced, and the maintenance is simpler and more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of the multifunctional audio frequency conversion control device of the present invention;
fig. 2 is a schematic circuit diagram of the multifunctional audio transfer control device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a multifunctional audio transfer control device, which includes: an interface unit 1, an execution unit 2, and a conversion operation unit 3.
The interface unit 1 comprises at least a first audio interface end 11 and a second audio interface end 12 with dissimilar core legs. In this embodiment, the first audio interface end 11 is a seven-core interface end, and the second audio interface end 12 is a fourteen-core interface end. Needless to say, the present embodiment is described by taking a common interface end as an example.
The execution unit 2 comprises a microphone 21 for implementing a listening mode and a loudspeaker 22 for implementing a sound production mode.
The conversion operation unit 3 is electrically connected to the interface unit 1 and the execution unit 2, and includes a transceiving switch 31 and an interface switch 32.
The interface switch 32 is used to control the switching of the first audio interface terminal 11 and the second audio interface terminal 12. In this embodiment, the interface switch 32 is a double-pole double-throw relay, which is a single-stage double-position switch for PTT matching with audio frequency keying.
The transmission/reception changeover switch 31 is used to control the switching between the sound receiving mode and the sound emitting mode.
In this embodiment, preferably, the conversion operation unit 3 further includes a data interface terminal 33. Data can be directly input by the earphone microphone set through the data interface end 33 according to requirements.
For the sake of clarity and convenience in operation, in the present embodiment, the operation indicator lamp 34 and the transmission/reception indicator lamp 35 are provided on the switching operation unit 3. The transceiving switch 31 is connected to the transceiving indicator light 35, and drives the transceiving indicator light 35 to display in different ways by switching between a sound receiving mode and a sound emitting mode. For example, in the listening mode, the transceiver light 35 displays red, and in the sounding mode, the transceiver light 35 displays orange, or different strobes are used for distinguishing. The operation indicator lamp 34 is turned on when the changeover operation unit 3 is powered on to display its operation state.
Fig. 2 is a schematic circuit diagram of the multifunctional audio converter according to the present invention. In the multifunctional audio frequency conversion control device, K1 and K2 are two switches.
The K1 switch correspondingly realizes the function of the interface switch 32, and mainly completes the switching between the first audio interface port 11 (7-core interface) and the second audio interface port 12 (14-core interface).
The K2 switch mainly completes the switching of the sound receiving mode and the sound producing mode, and is used for switching on the microphone or the loudspeaker.
The diode V7 is a transient suppression diode and is used for protection;
one end of the resistor R1 is connected with 12V direct current to be used as a 12V pull-up resistor, and the other end of the capacitor C1 is connected with the other end of the resistor R1 and is also connected to a pin 1 of the switch K3 to be used as a filter.
The 1 pin of the switch K3 is finally divided into two paths, one path is connected with the 6 pin of the 14-core interface and named as PTTB, and the other path is connected with the 7 pin of the 7-core interface and named as PTTA.
The resistor R3 and the resistor R1 form a voltage division circuit to supply power to the transceiving indicator light, and when the switch K1 is pressed, the color of the transceiving indicator light is changed.
The switch K1 is a double-pole double-throw relay, and its pins 1 and 4 are common terminals, where pin 4 is connected with the microphone and pin 1 is connected with the speaker. The 2 pin and the 3 pin are in a group and are switched to be communicated with the 1 pin through a switch K1, and the 5 pin and the 6 pin are in a group and are switched to be communicated with the 4 pin through a switch K1.
The lower half part of the double-pole double-throw relay is a coil, a pin 7 and a pin 8 are coil outgoing lines, the pin 8 is connected with a 12V power supply, the pin 7 is connected with a pin 1 of a switch K2, when the switch K2 is pressed, namely, the pin 1 and the pin 2 of the double-pole double-throw relay are communicated, the pin 1 and the pin 3 are communicated, the pin 4 and the pin 5 are communicated, the pin 4 and the pin 6 are communicated, and switching is completed through the double-pole double-throw relay (the switch K1).
The internal voice is outputted and inputted in two ways through the switch K1, when the voice is inputted, the microphone converts the voice into electric signal and transmits the electric signal through the cable, and the voice is cut to the required interface end through the interface switch. When voice is output, the voice data on the corresponding interface is switched and output to the microphone through the form switch K1, and the output of the voice is completed.
In the present embodiment, the transmission/reception changeover switch K3 is normally in the sound reception state and is pressed to be in the sound emission state.
For example, in the sound receiving state, the PTTA pin of the seven-core interface end and the PTTB pin of the fourteen-core interface end are both high. In the sounding state, the PTTA pin of the seven-core interface end and the PTTB pin of the fourteen-core interface end are both low level. When the radio receiving state is adopted, the receiving and transmitting indicating lamp is green, and when the radio receiving state is the pronunciation state, the receiving and transmitting indicating lamp is orange.
The serial port data corresponding to the 14-core connector is directly connected to the 7-core serial port connector through a cable, and the data is directly received and transmitted by a computer.
The nine-core socket of the serial port corresponds to the data interface terminal 33, which is connected with the corresponding pin of the 14-core interface. The 8 feet of the 14-core interface are connected with the 3 feet of the nine-core socket, the 9 feet of the 14-core interface are connected with the 2 feet of the nine-core socket, the 4 feet of the 14-core interface are connected with the 8 feet of the nine-core socket, and the 12 feet of the 14-core interface are connected with the 7 feet of the nine-core socket, so that data interface conversion is completed.
Compared with the prior art, the multifunctional audio rotary control device can realize the conversion of different interface ends and the conversion of the sound receiving mode and the sound production mode; the problem of the radio station interface is non-uniform is solved, a set of multi-purpose is realized, the universality is effectively improved, the use cost is reduced, and the maintenance is simpler and more convenient.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (5)
1. A multifunctional audio transfer control device is characterized by comprising:
the interface unit at least comprises a first audio interface end and a second audio interface end, wherein the core pins of the first audio interface end and the second audio interface end are different;
an execution unit including a microphone for implementing a reception mode and a speaker for implementing a sound emission mode; and the number of the first and second groups,
the conversion operation unit is respectively electrically connected with the interface unit and the execution unit and comprises a receiving and transmitting switch and an interface switch, the interface switch is used for controlling the conversion of the first audio interface end and the second audio interface end, and the receiving and transmitting switch is used for controlling the conversion of the sound receiving mode and the sound production mode.
2. The multi-functional audio frequency of claim 1, wherein the first audio interface end is a seven-core interface end and the second audio interface end is a fourteen-core interface end.
3. The multifunctional audio relay device according to claim 1, wherein the switching operation unit further comprises a data interface terminal.
4. The multifunctional audio relay control device according to claim 1, wherein the switching operation unit further comprises a working indicator lamp and a transceiver indicator lamp, the transceiver switch is connected to the transceiver indicator lamp, and the transceiver switch is configured to switch between a sound receiving mode and a sound emitting mode to drive the transceiver indicator lamp to display in different manners.
5. The multifunctional audio rotary control device according to claim 1, wherein the interface switch is a double-pole double-throw relay, which is a single-stage double-position switch for PTT matching with audio key control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493624.2U CN210899524U (en) | 2019-12-31 | 2019-12-31 | Multifunctional audio frequency conversion control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493624.2U CN210899524U (en) | 2019-12-31 | 2019-12-31 | Multifunctional audio frequency conversion control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210899524U true CN210899524U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922493624.2U Active CN210899524U (en) | 2019-12-31 | 2019-12-31 | Multifunctional audio frequency conversion control device |
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| Country | Link |
|---|---|
| CN (1) | CN210899524U (en) |
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2019
- 2019-12-31 CN CN201922493624.2U patent/CN210899524U/en active Active
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