CN219394851U - Radio station voice communication acquisition device - Google Patents
Radio station voice communication acquisition device Download PDFInfo
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- CN219394851U CN219394851U CN202320150422.1U CN202320150422U CN219394851U CN 219394851 U CN219394851 U CN 219394851U CN 202320150422 U CN202320150422 U CN 202320150422U CN 219394851 U CN219394851 U CN 219394851U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a radio station voice communication acquisition device, which comprises an audio interface for inputting radio station audio signals, wherein the audio interface is sequentially and electrically connected with an audio induction circuit, an audio amplifying circuit and a controller; the network interface is used for being connected with the server and is sequentially and electrically connected with the network conversion circuit and the controller; and the control interface is used for connecting the PTT microphone and is sequentially and electrically connected with the receiving and transmitting detection circuit and the controller. The device can collect and store the audio signals of the radio stations, distinguish the voice signals in the receiving and transmitting states, and is favorable for monitoring the voice communication content of the radio stations.
Description
Technical Field
The utility model relates to the field of radio station monitoring, in particular to a radio station voice communication acquisition device.
Background
In the prior art, a radio station is usually an independent communication device, when operation and use of the radio station need to be monitored, the operation and use of the radio station are mainly shot, but an effective technical implementation means is lacked for voice monitoring in the communication process of the radio station.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a radio station voice communication acquisition device, and solves the problem that the prior art lacks a means for effectively monitoring radio station voice communication.
In order to solve the technical problems, the utility model adopts a technical scheme that the radio station voice communication acquisition device comprises an audio interface for inputting radio station audio signals, wherein the audio interface is electrically connected with an audio induction circuit, an audio amplifying circuit and a controller in sequence; the network interface is used for being connected with the server, and the network interface is sequentially and electrically connected with the network conversion circuit and the controller; and the control interface is used for connecting the PTT microphone and is sequentially and electrically connected with the receiving and transmitting detection circuit and the controller.
Preferably, the audio sensing circuit includes an audio sensing chip AD8361, an audio input end of the audio sensing chip AD8361 is electrically connected to the audio interface, and an audio signal output end of the audio sensing chip AD8361 is electrically connected to the audio amplifying circuit.
Preferably, the transceiver detection circuit comprises a pull-up resistor, one end of the pull-up resistor is connected with a power supply, the other end of the pull-up resistor is connected with one pin of the controller, and the pull-up resistor is also electrically connected with a control switch of the PTT microphone, one end of the control switch is grounded, and the other end of the control switch is grounded.
Preferably, the battery charging circuit further comprises a charging circuit, wherein the charging circuit comprises a chip TP4056, the battery access end of the chip TP4056 is electrically connected with the anode of the battery, and is also electrically connected with one end of a third capacitor, and the other end of the third capacitor is grounded and is electrically connected with the cathode of the battery; the voltage input end of the chip TP4056 is electrically connected with the enabling end and is also electrically connected with one end of a fourth capacitor, and the other end of the fourth capacitor is grounded; the voltage input end is also electrically connected with the positive electrode of the first light emitting diode and the positive electrode of the second light emitting diode, the negative electrode of the first light emitting diode is electrically connected with the discharge end of the chip TP4056, and the negative electrode of the second light emitting diode is electrically connected with the bypass end of the chip TP 4056.
Preferably, the audio amplifying circuit includes a chip LM258, whose positive input terminal is used for accessing the audio signal output by the audio sensing chip AD8361, and connected with a clipping circuit; the amplitude limiting circuit comprises a first clamping diode and a second clamping diode, wherein the positive electrode of the first clamping diode is connected with the negative electrode of the second clamping diode in series, the series node is electrically connected with the positive input end of the amplifying circuit, the amplifying circuit comprises a chip LM258, the negative electrode of the first clamping diode is electrically connected with a power supply, and the positive electrode of the second clamping diode is grounded; the negative input end of the chip LM258 is electrically connected with the output end through a voltage dividing circuit, the voltage dividing circuit comprises a first resistor and a second resistor, one end of the first resistor is electrically connected with the output end of the chip LM258, the other end of the first resistor is electrically connected with one end of the second resistor, the negative input end of the chip LM258 is electrically connected, and the other end of the second resistor is grounded.
Preferably, the audio amplifying circuit further includes a first filter circuit, the first filter circuit includes a first diode, a first capacitor, a third resistor and a fourth resistor, the positive electrode of the first diode is electrically connected with the sensing signal output end of the audio sensing chip AD8361, the negative electrode is electrically connected with one end of the first capacitor, the other end of the first capacitor is grounded, the negative electrode of the first diode is electrically connected with one end of the third resistor, the other end of the third resistor is electrically connected with one end of the fourth resistor, and is electrically connected with the positive input end of the chip LM258, and the other end of the fourth resistor is grounded.
Preferably, the output end of the chip LM258 is further electrically connected to a second filter circuit, the second filter circuit includes a fifth resistor electrically connected to the output end of the chip LM258, the other end of the fifth resistor is electrically connected to one end of a second capacitor, and the other end of the second capacitor is grounded.
Preferably, the controller is a chip STM32F103R8T6, and the network conversion circuit comprises a network interface chip RTL8211F.
Preferably, the device further comprises a positioning interface for externally connecting a positioning terminal, and the positioning interface is electrically connected with the controller.
The beneficial effects of the utility model are as follows: the utility model discloses a radio station voice communication acquisition device, which comprises an audio interface for inputting radio station audio signals, wherein the audio interface is sequentially and electrically connected with an audio induction circuit, an audio amplifying circuit and a controller; the network interface is used for being connected with the server and is sequentially and electrically connected with the network conversion circuit and the controller; and the control interface is used for connecting the PTT microphone and is sequentially and electrically connected with the receiving and transmitting detection circuit and the controller. The device can collect and store the audio signals of the radio stations, distinguish the voice signals in the receiving and transmitting states, and is favorable for monitoring the voice communication content of the radio stations.
Drawings
Fig. 1 is a schematic diagram of an audio sensing chip AD8361 of a radio voice communication acquisition device according to the present utility model;
FIG. 2 is a schematic diagram of an amplifying circuit in a radio station voice communication acquisition device according to the present utility model;
FIG. 3 is a schematic diagram of a charging circuit in a station voice communication acquisition device according to the present utility model;
FIG. 4 is a schematic diagram of a transceiver detection circuit in a radio voice communication acquisition device according to the present utility model;
fig. 5 is a schematic diagram of a controller in a radio station voice communication acquisition device according to the present utility model.
Detailed Description
In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of a radio voice communication acquisition device includes an audio interface 23 for inputting radio audio signals, where the audio interface 23 is electrically connected to an audio sensing circuit 22, an audio amplifying circuit 21 and a controller 11 in sequence; the system further comprises a network interface 51 for connecting with a server, wherein the network interface 51 is electrically connected with a network conversion circuit 52 and the controller 11 in sequence; and a control interface 31 for connecting the PTT (push to ta l k) microphone, wherein the control interface 31 is electrically connected with the transceiver detection circuit 32 and the controller 11 in turn.
With this embodiment, the voice signal on the station can be collected and transmitted to the server for storage via the network. The receiving and transmitting signals from the PTT microphone can be collected, so that the receiving and transmitting state of the radio station can be judged, and the collected voice signals can be distinguished, namely, the voice signals in the sending state of the radio station or the voice signals in the receiving state are distinguished.
Preferably, fig. 1 further includes a positioning interface 61, which is used for connecting with a positioning terminal, such as a GPS positioning terminal, a beidou positioning terminal, etc., to obtain positioning information, and transmitting the positioning information to the controller 11, so as to accurately position the geographic location of the device. And clock information in satellite positioning information can also be obtained, so that accurate time labels are provided for voice acquisition.
Preferably, in fig. 1, a battery 41 and a charging circuit 42 are also included, the battery 41 being used to power the device, and the charging circuit 42 being used to monitor and protect the charging of the battery 41. The convenience of the device for field use can be enhanced through battery power supply.
Specific implementations of the various circuits described above are further described below.
As shown in fig. 2, the audio sensing circuit includes an audio sensing terminal J2 for connecting to an audio interface, the audio sensing terminal J2 is electrically connected to an audio input terminal RFI N of an audio sensing chip AD8361, and transmits an audio signal of a radio station to the audio sensing chip AD8361 for processing, and the audio signal is output by a sensing signal output terminal VRMS of the audio sensing chip AD8361, and is usually weak, so that the audio signal is inconvenient for a controller to directly process. Therefore, the sensing signal output end VRMS of the audio sensing chip AD8361 is electrically connected to the amplifying circuit, and the audio signal is further electrically connected to the controller after being filtered and amplified by the amplifying circuit, and the controller is used for storing the amplified audio signal after collecting the signal.
Preferably, in fig. 2, the audio input end RF in of the audio sensing chip AD8361 is connected in series with one end of the fifth capacitor C12, the other end of the fifth capacitor C15 is electrically connected to the audio sensing end J2, the other end of the fifth capacitor C15 is also electrically connected to one end of the sixth resistor R14, and the other end of the sixth resistor R14 is grounded.
Further, the power supply end VPOS of the audio sensing chip AD8361 is electrically connected with the resistor R11 and then connected with the power supply 5V, and the power supply end VPOS of the audio sensing chip AD8361 is also respectively electrically connected with the filter capacitor C13 and the filter capacitor C14 and then grounded; the output reference control end IREF of the audio frequency sensing chip AD8361 is directly and electrically connected with the power supply end VPOS; the modulation filter end FLTR of the audio frequency sensing chip AD8361 is electrically connected with the capacitor C17 and then is electrically connected with the power end VPOS of the audio frequency sensing chip AD 8361; the sleep control terminal PWDN, the power reference control terminal SREP, and the ground terminal COMM of the audio sensing chip AD8361 are all grounded.
Further, in fig. 3, the amplifying circuit includes a first filter circuit, where the first filter circuit includes a first diode D3, a first capacitor C29, a third resistor R20 and a fourth resistor R30, where an anode of the first diode D3 is electrically connected to the sensing signal output terminal VRMS of the audio sensing chip AD8361 in fig. 2, a cathode of the first diode D3 is electrically connected to one end of the first capacitor C29, another end of the first capacitor C29 is grounded, a cathode of the first diode D3 is also electrically connected to one end of the third resistor R20, another end of the third resistor R20 is electrically connected to one end of the fourth resistor R30, and is also electrically connected to the positive input terminal (+) of the chip LM258, and another end of the fourth resistor R30 is grounded.
The amplifying circuit further comprises a chip LM258, wherein a positive input end (+) of the chip LM258 is used for being connected with an audio signal Vrl output by an audio sensing chip AD8361, and is connected with a limiting circuit. The amplitude limiting circuit comprises a first clamping diode D1 and a second clamping diode D2, wherein the positive electrode of the first clamping diode D1 is connected with the negative electrode of the second clamping diode D2 in series, the series node is electrically connected with the positive input end (+) of the chip LM258, the negative electrode of the first clamping diode D1 is electrically connected with a power supply 5V, and the positive electrode of the second clamping diode D2 is grounded; the voltage dividing circuit is electrically connected between the negative input end and the output end of the chip LM258 and comprises a first resistor R21 and a second resistor R32, one end of the first resistor R21 is electrically connected with the output end of the chip LM258, the other end of the first resistor R21 is electrically connected with one end of the second resistor R32, the voltage dividing circuit is also electrically connected with the negative input end (-) of the chip LM258, and the other end of the second resistor R32 is grounded.
The output end of the chip LM258 is further electrically connected to a second filter circuit, the second filter circuit includes a fifth resistor R27 electrically connected to the output end of the chip LM258, the other end of the fifth resistor R27 is electrically connected to one end of the second capacitor C20, and the other end of the second capacitor C20 is grounded.
The power end of the chip LM258 (the fifth pin of the chip LM 258) is electrically connected to the 5V power, the power end of the chip LM258 (the fifth pin of the chip LM 258) is also electrically connected to the filter capacitor C21 and then grounded, and the ground end of the chip LM258 (the fourth pin of the chip LM 258) is grounded.
Further, the battery charger also comprises a charging circuit, wherein the charging circuit is used for charging the battery. The battery further supplies power to the audio sensing chip AD8361, the chip LM258, the controller, etc. through the power supply circuit. In the present utility model, the controller is a chip STM32F103R8T6.
In fig. 4, the charging circuit includes a chip TP4056, where a battery access terminal BAG of the chip TP4056 is electrically connected to an anode of the battery (a first core of the interface J7), and is also electrically connected to one end of the third capacitor C31, and the other end of the third capacitor C31 is grounded and is electrically connected to a cathode of the battery (a second core of the interface J7); the voltage input end VCC of the chip TP4056 is electrically connected with the enabling end CE and is also electrically connected with one end of the fourth capacitor C30, and the other end of the fourth capacitor C30 is grounded; the voltage input end VCC of the chip TP4056 is electrically connected with the resistor R48 and then connected with the power supply VCC, the voltage input end VCC is also electrically connected with the positive electrode of the first light emitting diode LED1 and the positive electrode of the second light emitting diode LED2, the negative electrode of the first light emitting diode ED1 is electrically connected with the charging state indication end CHRG of the chip TP4056, and the negative electrode of the second light emitting diode is electrically connected with the charging completion indication end STDBY of the chip TP 4056. The charging current detecting terminal PROG of the chip TP4056 is electrically connected to the resistor R50 and then grounded.
The charging circuit can monitor the charging process, avoid overcharge, monitor the battery voltage, and prompt charging through the light emitting diode when the voltage is low.
In fig. 5, the transceiver detection circuit includes a pull-up resistor R311, one end of which is connected to a power supply, and the other end of which is connected to one pin of the controller, and is also electrically connected to one end of a control switch of the PTT microphone, and the other end of the control switch is grounded. When the control switch is pressed down, the controller detects that the pin is grounded, and when the control switch is released, the controller detects a power supply connected with the pull-up resistor, so that the receiving and transmitting states of the PTT microphone can be detected.
In addition, the network conversion circuit mainly realizes the conversion of the transmission signals on the controller interface and the network line based on the network interface chip RTL8211F. And the network interface corresponds to mainly an RJ45 network interface.
The utility model discloses a radio station voice communication acquisition device, which comprises an audio interface for inputting radio station audio signals, wherein the audio interface is sequentially and electrically connected with an audio induction circuit, an audio amplifying circuit and a controller; the network interface is used for being connected with the server and is sequentially and electrically connected with the network conversion circuit and the controller; and the control interface is used for connecting the PTT microphone and is sequentially and electrically connected with the receiving and transmitting detection circuit and the controller. The device can collect and store the audio signals of the radio stations, distinguish the voice signals in the receiving and transmitting states, and is favorable for monitoring the voice communication content of the radio stations.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (9)
1. The radio station voice communication acquisition device is characterized by comprising an audio interface for inputting radio station audio signals, wherein the audio interface is sequentially and electrically connected with an audio induction circuit, an audio amplifying circuit and a controller; the network interface is used for being connected with the server, and the network interface is sequentially and electrically connected with the network conversion circuit and the controller; and the control interface is used for connecting the PTT microphone and is sequentially and electrically connected with the receiving and transmitting detection circuit and the controller.
2. The radio voice communication acquisition device according to claim 1, wherein the audio sensing circuit comprises an audio sensing chip AD8361, an audio input end of the audio sensing chip AD8361 is electrically connected to the audio interface, and an audio signal output end of the audio sensing chip AD8361 is electrically connected to the audio amplifying circuit.
3. The radio voice communication acquisition device according to claim 1, wherein the transceiver detection circuit comprises a pull-up resistor, one end of the pull-up resistor is connected with a power supply, the other end of the pull-up resistor is connected with one pin of the controller, and is also electrically connected with a control switch of the PTT microphone, one end of the control switch is grounded, and the other end of the control switch is grounded.
4. The radio station voice communication acquisition device according to claim 1, further comprising a charging circuit, wherein the charging circuit comprises a chip TP4056, a battery access terminal of the chip TP4056 is electrically connected with an anode of a battery, and is also electrically connected with one end of a third capacitor, and the other end of the third capacitor is grounded and is electrically connected with a cathode of the battery; the voltage input end of the chip TP4056 is electrically connected with the enabling end and is also electrically connected with one end of a fourth capacitor, and the other end of the fourth capacitor is grounded; the voltage input end is also electrically connected with the positive electrode of the first light emitting diode and the positive electrode of the second light emitting diode, the negative electrode of the first light emitting diode is electrically connected with the discharge end of the chip TP4056, and the negative electrode of the second light emitting diode is electrically connected with the bypass end of the chip TP 4056.
5. The radio station voice communication acquisition device according to claim 2, wherein the audio amplifying circuit comprises a chip LM258, a forward input end of which is used for accessing an audio signal output by the audio sensing chip AD8361, and is connected with a limiting circuit; the amplitude limiting circuit comprises a first clamping diode and a second clamping diode, wherein the positive electrode of the first clamping diode is connected with the negative electrode of the second clamping diode in series, the series node is electrically connected with the positive input end of the amplifying circuit, the amplifying circuit comprises a chip LM258, the negative electrode of the first clamping diode is electrically connected with a power supply, and the positive electrode of the second clamping diode is grounded; the negative input end of the chip LM258 is electrically connected with the output end through a voltage dividing circuit, the voltage dividing circuit comprises a first resistor and a second resistor, one end of the first resistor is electrically connected with the output end of the chip LM258, the other end of the first resistor is electrically connected with one end of the second resistor, the negative input end of the chip LM258 is electrically connected, and the other end of the second resistor is grounded.
6. The radio station voice communication acquisition device according to claim 5, wherein the audio amplifying circuit further comprises a first filter circuit, the first filter circuit comprises a first diode, a first capacitor, a third resistor and a fourth resistor, the positive electrode of the first diode is electrically connected with the sensing signal output end of the audio sensing chip AD8361, the negative electrode of the first diode is electrically connected with one end of the first capacitor, the other end of the first capacitor is grounded, the negative electrode of the first diode is further electrically connected with one end of the third resistor, the other end of the third resistor is electrically connected with one end of the fourth resistor, and meanwhile is electrically connected with the positive input end of the chip LM258, and the other end of the fourth resistor is grounded.
7. The radio voice communication acquisition device according to claim 5, wherein the output end of the chip LM258 is further electrically connected to a second filter circuit, the second filter circuit includes a fifth resistor electrically connected to the output end of the chip LM258, the other end of the fifth resistor is electrically connected to one end of a second capacitor, and the other end of the second capacitor is grounded.
8. The radio voice communication acquisition device of claim 1, wherein the controller is a chip STM32F103R8T6, and the network conversion circuit comprises a network interface chip RTL8211F.
9. The station voice communication acquisition device of claim 1, further comprising a positioning interface for externally connecting a positioning terminal, the positioning interface being electrically connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320150422.1U CN219394851U (en) | 2023-01-31 | 2023-01-31 | Radio station voice communication acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320150422.1U CN219394851U (en) | 2023-01-31 | 2023-01-31 | Radio station voice communication acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219394851U true CN219394851U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320150422.1U Active CN219394851U (en) | 2023-01-31 | 2023-01-31 | Radio station voice communication acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219394851U (en) |
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2023
- 2023-01-31 CN CN202320150422.1U patent/CN219394851U/en active Active
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