CN219304833U - Dual-mode interphone with recording, playback, export and query functions - Google Patents
Dual-mode interphone with recording, playback, export and query functions Download PDFInfo
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- CN219304833U CN219304833U CN202320394641.4U CN202320394641U CN219304833U CN 219304833 U CN219304833 U CN 219304833U CN 202320394641 U CN202320394641 U CN 202320394641U CN 219304833 U CN219304833 U CN 219304833U
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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 dual-mode interphone with recording, playback, guiding out and inquiring functions, which comprises an interphone body, a main control board arranged in the interphone body, and an antenna module arranged on the interphone body and connected with the main control board; the interphone body is internally provided with a clock module and a storage module which are connected with a main control board, and one side of the interphone body is also provided with a PTT key, a first function key and a second function key which are connected with the main control board; the interphone body is also provided with a microphone interface connected with the main control board and used for externally connecting a microphone and a loudspeaker interface used for externally connecting a loudspeaker. The utility model utilizes the inherent function keys and the external earphone socket interface of the interphone body, and utilizes the difference of long-time pressing and short-time pressing of the function keys and the connection of the earphone socket interface and the recording management device to carry out serial port communication under the condition of not damaging and changing the whole structure of the original interphone body so as to realize the complete functions of recording, playback, deriving, inquiring and the like, thereby having strong practicability.
Description
Technical Field
The utility model relates to the technical field of interphones, in particular to a dual-mode interphone with recording, playback, export and query functions.
Background
The dual-mode interphone is an interphone with two modes, namely an analog mode and a digital mode. The existing dual-mode interphone product has no complete recording management function, namely complete functions of recording, playback, export and inquiry. Even though some manufacturers have a simple recording function in a digital interphone, the analog system of the interphone has no method for adding the recording function, and some interphones adopt a recording pen module principle and add a control chip and other peripheral devices to form a novel simple recording module so as to add the recording function, but the power consumption of the whole interphone is increased (because the smaller the power consumption is, the better the power consumption is, the longer the working time can be), the process difficulty is improved, the defects of deriving function and inquiring function are overcome in the aspect of function, only the recording function and the local playback function are realized, and the interphone can only be used in certain units, and has the use limitation, so the interphone needs to be improved.
Disclosure of Invention
The utility model aims to provide a dual-mode interphone with recording, playback, deriving and inquiring functions, which utilizes the inherent function keys and an external earphone socket interface of an interphone body to realize the complete functions of recording, playback, deriving, inquiring and the like by utilizing the difference of long-time pressing and short-time pressing of the function keys and serial port communication of the earphone socket interface and the connection of the earphone socket interface and a recording management device under the condition of not damaging and not changing the integral structure of the original interphone body, and has strong practicability.
In order to achieve the above purpose, the following technical scheme is adopted:
a dual-mode interphone with recording, playback, guiding and inquiring functions comprises an interphone body, a main control board arranged in the interphone body and an antenna module arranged on the interphone body and connected with the main control board; the interphone body is internally provided with a clock module and a storage module which are connected with a main control board, and one side of the interphone body is also provided with a PTT key, a first function key and a second function key which are connected with the main control board; the interphone body is also provided with a microphone interface connected with the main control board and used for externally connecting a microphone and a loudspeaker interface connected with the main control board and used for externally connecting a loudspeaker; a power module for integrally supplying power to the interphone is also arranged in the interphone body; the main control board is used for converting the voice analog signals of the transmitter and the receiver into the voice digital signals after the DSP processing, and then, the voice digital signals are recorded and encoded into data information, and then, the data information is transmitted to the storage module for storage; the main control board is also used for reading the data information in the storage module, decoding and converting the record into a voice analog signal, and outputting sound to the outside through the loudspeaker.
Further, a data communication interface connected with the main control board is also arranged on the other side of the interphone body; the data communication interface is also connected with a serial port communication conversion line, and the serial port communication conversion line is used for being connected with an external recording management device through the USB interface so as to carry out information interaction.
Further, the data communication interface is an earphone socket interface of the interphone body.
Further, a volume adjusting switch and an audio amplifier are sequentially connected between the main control board and the loudspeaker.
Further, the antenna module comprises a radio frequency processor, a receiving and transmitting high-frequency circuit module and an antenna body which are sequentially connected with the main control board.
Further, the power module comprises a lithium battery pack, a battery switch and a low-dropout linear voltage regulator.
Further, the main control board adopts a chip model number of HS8851.
By adopting the scheme, the utility model has the beneficial effects that:
the interphone utilizes the inherent function keys and the external earphone socket interface of the interphone body, and performs serial port communication by utilizing the difference of long-time pressing and short-time pressing of the function keys and the connection of the earphone socket interface and the recording management device under the condition that the integral structure of the original interphone body is not damaged or changed, so that the recording, playback, derivation, inquiry and other complete functions are realized, and the interphone is high in practicability.
Drawings
FIG. 1 is a schematic block diagram of the present utility model;
fig. 2 is a schematic structural diagram of a serial port communication conversion line according to the present utility model;
FIG. 3 is a circuit diagram of a main control board of the present utility model;
FIG. 4 is a circuit diagram of a memory module according to the present utility model;
FIG. 5 is a circuit diagram of a function key of the present utility model;
FIG. 6 is a diagram of a microphone input and voice control circuit according to the present utility model;
FIG. 7 is a circuit diagram of an audio power amplifier and an external circuit according to the present utility model;
FIG. 8 is a circuit diagram of a power module of the present utility model;
wherein, the attached drawings mark and illustrate:
1-serial port communication conversion line.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 8, the present utility model provides a dual-mode interphone with recording, playback, deriving and inquiring functions, comprising an interphone body, a main control board installed in the interphone body, and an antenna module installed on the interphone body and connected with the main control board; the interphone body is internally provided with a clock module and a storage module which are connected with a main control board, and one side of the interphone body is also provided with a PTT key, a first function key and a second function key which are connected with the main control board; the interphone body is also provided with a microphone interface connected with the main control board and used for externally connecting a microphone and a loudspeaker interface connected with the main control board and used for externally connecting a loudspeaker; a power module for integrally supplying power to the interphone is also arranged in the interphone body; the main control board (high-frequency analog system) adopts a chip with the model of HS8851 and has the functions of DSP processing and encoding, and is used for converting the transmitted modulated microphone voice analog signals and the received demodulated voice analog signals into voice digital signals after DSP voice digital processing and recording and encoding the voice digital signals into data information, and then transmitting the data information to the storage module for storage; similarly, the high-frequency digital system directly divides the data information of the transmission modulation and the received data information into one path for recording and encoding and then stores the data information in the storage module; the main control board is also used for reading the data information in the storage module, converting the record decoding (digital voice data information decoding) into voice analog signals, and outputting sound to the outside through the loudspeaker.
The other side of the interphone body is also provided with a data communication interface connected with the main control board; the data communication interface is also connected with a serial port communication conversion line 1, and the serial port communication conversion line 1 is used for being connected with an external recording management device through a USB interface so as to perform information interaction; the data communication interface is an earphone socket interface of the interphone body; a volume adjusting switch and an audio amplifier are sequentially connected between the main control board and the loudspeaker; the antenna module comprises a radio frequency processor, a receiving and transmitting high-frequency circuit module and an antenna body which are sequentially connected with the main control board; the power module comprises a lithium battery pack, a battery switch and a low-dropout linear voltage regulator; the main control board adopts a chip model HS8851.
With continued reference to fig. 1 to 8, in this embodiment, the power module includes a lithium battery pack, a battery switch, and a low dropout linear voltage regulator, and in fig. 1, a thick line indicates a power supply line, and a thin line indicates a signal line, and each module of the interphone can be powered by the power module to ensure that the interphone is used normally; the whole structure of the existing interphone is basically consistent, but the sizes and styles are different, one side of the existing interphone is generally provided with a PTT key and 1 or 2 function keys (a first function key and a second function key), and the other side of the existing interphone is externally connected with an earphone socket interface which is used for connecting an earphone wire and a read-write interphone data interface; to add a recording function without damaging the whole structure of the interphone, the existing function keys and earphone socket interfaces can be used for compatible recording function operation, storage inquiry and export; if two function keys can be divided into long-press and short-press operations, the "recording on and recording off" operation can just meet the recording function operation is started by pressing, then the "recording on and off" operation is closed by pressing, and the "recording on and off" two functions of recording on and off are respectively defined as the up-turn and down-turn of the entry of the recording storage file, each time the up-turn key is pressed, the playback of one file is advanced, and each time the down-turn key is pressed, the playback of the next file is returned; if the stored file is to be checked or downloaded and the memory is to be cleared, the interphone socket interface and the recording management device, such as a computer, must be connected through a special USB data line to realize the inquiry, downloading, clearing and checking of the recording function.
In this embodiment, the interphone is a dual-mode interphone, and the dual-mode interphone means that two modes of the analog interphone and the digital interphone are compatible at the same time; the recording function is to convert the voice from analog signal to digital signal, then encode and decode the digital processing, then register in the memory, when it is to be read, then convert the data, convert the digital signal to analog signal, output the sound from the audio power amplifier; before the digital appearance of the analog interphone, the control chip generally adopted is an 8-bit processor, so that the requirements are relatively simple, and the voice recording function is not realized without a voice processing architecture; if a recording function is needed, a mode of adding a recording module is adopted, but in the mode, two chips work simultaneously, the processing speed is relatively slow, the overall power consumption of the machine is relatively increased, meanwhile, a data read-write interface is added from an opening of an interphone shell, and the overall improvement scheme is complex; the chip adopted by the general digital interphone is an ARM processor and is provided with a DSP voice digital processing architecture, when the voice coding and decoding mode is different from the recording coding and decoding mode (during recording and storing, the identification data information is added, the identification data information is removed during reading), but the processing can be solved through digital conversion, so that the digital interphone has a majority of recording functions, but many digital interphones have no time memory function and export function, only can be played back by the interphone, and can not export and store the query.
In this embodiment, an ARM chip (main control board, the chip model used is HS 8851) is used to perform unified processing on analog and digital, and meanwhile, a clock module (clock generator) and serial port communication data processing are added, so that the export problem and the time correction problem can be solved, and in addition, the chip model used by the storage module is CSNP32GCR01-AOW, the storage capacity is large, the recording time can reach the storage capacity of more than 300 hours, and the storage requirement is met; the chip has DSP processing and encoding and decoding functions, can acquire one audio signal coming from an analog transmitting microphone and one audio signal received and demodulated and output, and enters a DSP processing module of the chip for voice A/D conversion, then is converted into data information through recording and encoding processing, and then is transmitted to a storage module for storage, can be acquired during playback, and is converted into analog signals for output through recording and decoding and D/A conversion; when the digital audio signal is processed by the DSP, the audio signal can be recorded in the memory in a way of coding and decoding conversion format, so that the digital audio signal and the analog audio signal are uniformly processed by one chip, the power consumption of the whole machine can be reduced, and the problems of exporting and correcting time by serial communication are solved, and the method is specific:
in this embodiment, the PTT key is a transmit control key, and the first function key is defined as: the long-press operation is a recording starting function, and the short-press operation is a recording playback upturning key; the second function key may be defined as: short pressing operation is a recording playback down-turn key, and long pressing operation is a recording continuous playback function (continuous playback sets up 5 pieces of continuous recording information). The recording management device is used for uniformly managing the recording function and can be a computer, and is connected with a USB plug of a serial port communication conversion line 1 (RXD/TXD serial port communication) through a computer USB interface, and an interphone plug of the serial port communication conversion line 1 is inserted into JI-2 and J2-2 data communication interfaces of an earphone socket of an interphone; the interphone and the computer are separated at ordinary times and are connected for use if necessary, such as setting and checking real-time (the interphone battery is detached for a long time, the internal follow current small battery is not powered, and the real-time is lost), or checking and downloading and exporting the recording data of the interphone, and setting the parameters of the interphone for connection use.
As shown in FIG. 3, the chip model adopted by the main control board is HS8851, the computer USB interface is connected with the USB plug of the serial port communication conversion line 1, the interphone plug of the serial port communication conversion line 1 is inserted into the JI-2 and J2-2 data communication interfaces of the interphone, and then the serial port data communication is carried out by connecting the relevant contacts of the JI-2 and J2-2 to the first leg TXD and the second leg RXD of the chip U1, such operations as downloading, recording data deriving, interphone parameter debugging and correcting and the like are carried out. The third pin and the fourth pin of the U1 control the power supply module to work, when the power supply module is started, the U1 is self-checked firstly, if no problem exists, the two pins can output high level according to related operation requirements to start the power supply of the transmitting power supply and the receiving power supply; the chip has MCU function and DSP voice processing function, can convert the transmitted microphone analog signal and the received demodulation voice signal into data information through DSP processing, then the data information is transmitted to a storage module (a storage CSNP32GCR 01-AOW) for storage, if the external key is operated for playback, the MCU sends out an instruction to read data from the storage CSNP32GCR01-AOW, the voice signal is restored after recording and decoding and sent out from a loudspeaker, and a volume adjusting switch can adjust the sound size; the 5 th pin of the U1 chip is used for controlling the 2 nd pin chip selection of the memory, the 5 th pin of the U1 9 th pin control memory is used for data input, the 1 st pin of the 11 th pin control memory is used for writing protection, the 13 rd pin is connected with the 3 rd pin clock of the memory, the 6 th pin of the 14 th pin control memory is used for data output, the 7 th pin of the 15 th pin control memory is used for working and keeping, the memory capacity can reach 32G, data of more than 300 hours can be stored, and the application range is wide.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The dual-mode interphone with the functions of recording, playback, guiding out and inquiring is characterized by comprising an interphone body, a main control board arranged in the interphone body and an antenna module arranged on the interphone body and connected with the main control board; the interphone body is internally provided with a clock module and a storage module which are connected with a main control board, and one side of the interphone body is also provided with a PTT key, a first function key and a second function key which are connected with the main control board; the interphone body is also provided with a microphone interface connected with the main control board and used for externally connecting a microphone and a loudspeaker interface connected with the main control board and used for externally connecting a loudspeaker; a power module for integrally supplying power to the interphone is also arranged in the interphone body; the main control board is used for converting the voice analog signals of the transmitter and the receiver into the voice digital signals after the DSP processing, and then, the voice digital signals are recorded and encoded into data information, and then, the data information is transmitted to the storage module for storage; the main control board is also used for reading the data information in the storage module, decoding and converting the record into a voice analog signal, and outputting sound to the outside through the loudspeaker.
2. The dual-mode interphone with recording, playback, deriving and inquiring functions according to claim 1, wherein the other side of the interphone body is also provided with a data communication interface connected with a main control board; the data communication interface is also connected with a serial port communication conversion line, and the serial port communication conversion line is used for being connected with an external recording management device through the USB interface so as to carry out information interaction.
3. The dual-mode intercom with recording, playback, deriving and querying functions according to claim 2, wherein said data communication interface is an earphone jack interface of the intercom body itself.
4. The dual-mode interphone with recording, playback, deriving and inquiring functions according to claim 1, wherein a volume adjusting switch and an audio amplifier are further connected between the main control board and the loudspeaker in sequence.
5. The dual-mode interphone with recording, playback, deriving and inquiring functions according to claim 1, wherein the antenna module comprises a radio frequency processor, a transceiving high-frequency circuit module and an antenna body which are sequentially connected with a main control board.
6. The dual-mode intercom with recording, playback, deriving and querying functions according to claim 1, wherein said power supply module comprises a lithium battery pack, a battery switch, a low dropout linear regulator.
7. The dual-mode interphone with recording, playback, deriving and inquiring functions according to claim 1, wherein the main control board adopts a chip model number of HS8851.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320394641.4U CN219304833U (en) | 2023-02-22 | 2023-02-22 | Dual-mode interphone with recording, playback, export and query functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320394641.4U CN219304833U (en) | 2023-02-22 | 2023-02-22 | Dual-mode interphone with recording, playback, export and query functions |
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| Publication Number | Publication Date |
|---|---|
| CN219304833U true CN219304833U (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320394641.4U Active CN219304833U (en) | 2023-02-22 | 2023-02-22 | Dual-mode interphone with recording, playback, export and query functions |
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| CN (1) | CN219304833U (en) |
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- 2023-02-22 CN CN202320394641.4U patent/CN219304833U/en active Active
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