CN216122399U - Card-inserting type straight-through non-delay public network interphone - Google Patents
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- CN216122399U CN216122399U CN202121858896.9U CN202121858896U CN216122399U CN 216122399 U CN216122399 U CN 216122399U CN 202121858896 U CN202121858896 U CN 202121858896U CN 216122399 U CN216122399 U CN 216122399U
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Abstract
The utility model discloses a card-inserting type through non-delay public network interphone, which comprises an interphone mainboard arranged in an interphone body, wherein the interphone mainboard comprises a main control chip, and a radio frequency processing module, an audio processing module, an input/output module, a power management module and a logic control circuit which are connected with the main control chip. The utility model can initiate communication without other auxiliary equipment, almost has no time delay in a direct mode, and the public network interphone carries out talkback service through the operator network, thereby realizing remote communication and clear voice, saving communication cost for users, simultaneously meeting the instant call requirements of the users for cross-city and remote coordination operation and realizing the intercommunication between networks operated by different operators and different terminal manufacturers.
Description
Technical Field
The utility model relates to the field of interphones, in particular to a plug-in type through non-delay public network interphone.
Background
The public network interphone is a byproduct derived from a base station platform based on telecommunication and movement, transmits voice signals based on base station channel time slot idle, is a technology for realizing talkback and conversation by transmitting the voice signals through a data channel (IP) of a mobile phone network signal, solves the problem that the traditional interphone is constrained by transmitting power, antenna sensitivity and the like and has short talkback and conversation distance, and realizes the purpose of national and even global talkback. The existing public network interphone is supported by a base station, so that the existing public network interphone is limited by signals of the location.
The above disadvantages need to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a card-inserting type through non-delay public network interphone.
The technical scheme of the utility model is as follows:
a plug-in type through non-delay public network interphone comprises an interphone mainboard arranged inside an interphone body, wherein the interphone mainboard comprises a main control chip, a radio frequency processing module, an audio frequency processing module, an input/output module, a power management module and a logic control circuit which are connected with the main control chip,
the radio frequency processing module comprises a radio frequency antenna, the radio frequency antenna is connected with the main control chip through a radio frequency power amplifier,
the audio processing module comprises an earphone, a microphone, a receiver and a loudspeaker, the earphone, the microphone, the receiver and the loudspeaker are respectively connected with the main control chip through a power management chip,
the input and output module comprises a first SIM card, a second SIM card, a TF card, a display screen and a camera, wherein the first SIM card and the second SIM card are respectively connected with the main control chip through an SIM circuit, the TF card is connected with the main control chip through a TF circuit, the display screen is connected with the main control chip through a display circuit, the camera is connected with the main control chip through a camera circuit,
the power management module comprises a lithium battery and a USB interface, the USB interface is connected with the lithium battery through a charging circuit,
the logic control circuit comprises a locking key, a keyboard and a flashlight toggle switch, wherein the keyboard is connected with the main control chip through a key circuit, and the flashlight toggle switch is connected with the main control chip through a flashlight control circuit.
The utility model according to the above scheme is characterized in that the main control chip is arranged in the middle of one surface of the interphone mainboard, a first SIM card holder, a second SIM card holder and a TF card holder are arranged above the main control chip, the first SIM card is inserted into the first SIM card holder, the second SIM card is inserted into the second SIM card holder, and the TF card is inserted into the TF card holder.
The utility model according to the above scheme is characterized in that a battery holder, an MIC pad, a USB interface holder and an antenna pad are arranged below the main control chip, the lithium battery is mounted on the battery holder, the microphone is welded on the MIC pad, the USB interface is welded on the USB interface holder, and the radio frequency antenna is welded on the antenna pad.
According to the scheme, the LED flashlight with the switch function is characterized in that an LED bonding pad, a motor bonding pad and a toggle switch bonding pad are arranged on one side of the main control chip from top to bottom, and the flashlight toggle switch is welded on the toggle switch bonding pad.
Furthermore, the input/output module further comprises an LED lamp, the LED lamp is welded on the LED bonding pad, and the LED lamp is connected with the main control chip through a flashlight control circuit.
Furthermore, the input/output module further comprises a ring, the ring is welded on the motor bonding pad, and the ring is connected with the main control chip.
The utility model according to the scheme is characterized in that a receiver bonding pad and a loudspeaker bonding pad are arranged on the other side of the main control chip from top to bottom, the receiver is welded on the receiver bonding pad, and the loudspeaker is welded on the loudspeaker bonding pad.
The interphone is characterized in that an LCD pad, a CAM pad and a side key pad are arranged above the other surface of the interphone mainboard, the display screen is welded on the LCD pad, the camera is welded on the CAM pad, and the locker key is welded on the side key pad.
The interphone is characterized in that the keyboard is arranged below the middle of the other surface of the interphone mainboard, and the keyboard is provided with a power key.
The utility model according to the scheme is characterized in that the model of the main control chip is UIS8910 FF.
The utility model according to the scheme has the advantages that the utility model can initiate communication without other auxiliary equipment, almost has no time delay in a direct mode, and the public network interphone carries out talkback service through the operator network, thereby realizing remote communication and clear voice, saving communication cost for users, simultaneously meeting the demand of instant communication of users in urban area crossing and remote coordination operation, and realizing the intercommunication between networks operated by different operators and different terminal manufacturers.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a surface of a plate body according to the present invention;
fig. 2 is a schematic structural view of another surface of the plate body according to the present invention;
FIG. 3 is a functional block diagram of an implementation of the present invention;
FIGS. 4a-4b are circuit diagrams of filters of the present invention;
FIG. 5 is a circuit diagram of the RF switch of the present invention;
fig. 6 and 7 are circuit diagrams of duplexers according to the present invention;
FIG. 8 is a circuit diagram of an RF power amplifier of the present invention;
FIGS. 8a and 8b are enlarged views of FIG. 8;
FIG. 9 is a circuit diagram of a RF transceiver front end module according to the present invention;
FIG. 10 is a circuit diagram of a main control chip according to the present invention;
FIGS. 10a and 10b are enlarged views of FIG. 10;
FIG. 11 is a circuit diagram of a SIM of the present invention;
FIG. 12 is a TF circuit diagram of the present invention;
FIG. 13 is a circuit diagram of a microphone of the present invention;
FIG. 14 is a charging circuit diagram of the present invention;
FIG. 15 is a flashlight control circuit diagram of the present invention;
fig. 16 is a circuit diagram of a handset of the present invention;
FIG. 17 is a circuit diagram of a speaker of the present invention;
FIG. 18 is a circuit diagram of a display panel according to the present invention
Fig. 19 is a circuit diagram of the camera of the present invention.
In the figures, the various reference numbers:
1. the mobile phone comprises a first SIM card seat, 2, a second SIM card seat, 4, an LED bonding pad, 5, a motor bonding pad, 6, a toggle switch bonding pad, 7, a battery seat, 8, an MIC bonding pad, 9, a USB interface seat, 10, a TF card seat, 11, a receiver bonding pad, 12, a loudspeaker bonding pad, 13, a shielding case, 14, an antenna bonding pad, 15, an LCD bonding pad, 16, a CAM bonding pad, 17, a side bonding pad, 18 and a power supply key.
Detailed Description
The utility model is further described with reference to the following figures and embodiments:
the utility model provides a plug-in card formula is led to and is had time delay public network intercom, is including locating the inside intercom mainboard of intercom body, and the intercom mainboard includes main control chip and the radio frequency processing module, audio processing module, input/output module, power management module and the logic control circuit who is connected with main control chip.
As shown in fig. 3 and fig. 4a to fig. 10, the rf processing module includes an rf antenna, the rf processing module is configured to receive and transmit rf signals, the rf processing module includes a filter circuit U700-U703, an rf switch U705-U706, a duplexer circuit U707-U710, an rf power amplifier U711, and an rf transceiver front-end module U712, the antenna receives the rf signals, the rf signals reach the main control chip U502 through the rf power amplifier U711, the filter circuit U700-U703, the duplexer circuit U707-U710, and the rf switch U705-U706, the rf received signals are processed and decoded by the CPU, then sent to the audio amplifier U790 for amplification, and finally the amplified audio signals are used to drive the speaker to generate sound. The signals sent by the radio frequency are demodulated by the CPU circuit, amplified by the radio frequency power amplifier U712, and transmitted out by the antenna through the filter circuit U700-U703, the duplexer circuit U707-U710 and the radio frequency power amplifier U711.
Preferably, the model of the rf power amplifier U711 is RPM 6743.
Preferably, the model of the rf transceiver front-end module U712 is RTM 7916.
Preferably, the main control chip is covered with a shielding cover 13, on one hand, the main control chip protects components in the shielding frame cover, on the other hand, the main control chip can shield electromagnetic interference, and the model of the main control chip is UIS8910 FF.
The audio processing module comprises an earphone, a microphone, a receiver and a loudspeaker, the audio processing module is used for processing audio sending signals and audio receiving signals, and the audio sending processing process comprises the following steps: the voice signal from the receiver is amplified by the audio amplification integration module, then is subjected to A/D conversion, voice coding, channel coding and modulation, and finally is sent to the radio frequency processing module for further processing. And audio receiving and processing procedures: RXI and RXQ signals output from the intermediate frequency are sent to a modem for demodulation, then channel decoding and D/A conversion are carried out, and then the signals are sent to an audio amplification integrated module for amplification. And finally, using the amplified audio signal to drive the loudspeaker to produce sound.
The input and output module comprises a first SIM card, a second SIM card, a TF card, a display screen, a camera, an LED lamp and a ring, and realizes multiple functions of the public network interphone.
The power management module comprises a lithium battery and a USB interface, and the power management module provides electric power support for the public network interphone.
The logic control circuit comprises a lock key, a keyboard and a flashlight toggle switch, and the radio frequency and audio parts of the interphone and the peripheral parts of display, listening, sending and inserting and the like all complete the respective functions under the command of the logic control circuit.
As shown in fig. 1, in the present invention, a main control chip is disposed in the middle of one surface of an interphone main board, a first SIM card socket 1, a second SIM card socket 2 and a TF card socket 10 are sequentially disposed above the main control chip, a first SIM card is plugged in the first SIM card socket 1, a second SIM card is plugged in the second SIM card socket 2, and a TF card is plugged in the TF card socket 10.
Further, the first SIM card and the second SIM card are connected to the main control chip through the SIM circuit, as shown in fig. 11, the first SIM card socket J1301 and the second SIM card socket are directly controlled by the main control chip U502.
Further, the TF card is connected to the main control chip through a TF circuit, as shown in fig. 12, the TF card socket J1303 is directly controlled by the main control chip U502. The built-in TF card of the interphone can expand the memory of the interphone.
As shown in fig. 1, in the present invention, a battery holder 7, an MIC pad 8, a USB interface, and an antenna are disposed below the main control chip.
Furthermore, the lithium battery is arranged on the battery seat 7, supplies power to the power management module, and supplies power to each circuit by the power management module.
Further, a microphone is welded on the MIC bonding pad 8, the microphone is connected with the main control chip through the power management chip, and the microphone can be used for receiving audio input. As shown in fig. 13, the power management module supplies power to the microphone circuit, a loop is formed by a resistor R903, a resistor R904, a microphone J901, a resistor R905, and a resistor R906, a voltage signal is generated across the microphone J901 from a sound signal received by the microphone J901, and then the voltage signal generated across the microphone J901 is sent to the power management chip for processing through a capacitor C901, a resistor R901, a capacitor C902, and a resistor R902, respectively. Preferably, the power management chip is UIP 8910. Preferably, the power management chip is UIP 8910.
Further, the USB interface is welded on the USB interface seat 9 and is connected with the lithium battery through a charging circuit, so that the interphone is charged. The lithium battery is charged externally through a USB interface, and the lithium battery can also be connected with a computer or a USB earphone through the USB interface. As shown in fig. 14, in the charging circuit, the charging current reaches the lithium battery through the charging chip QMP1101 and the detection resistor R1105, the voltage drop is generated on the detection resistor R1105 by the circuit, the main control chip U502 calculates the magnitude of the charging current by measuring the voltage drop across the detection resistor R1105, and then the charging current of the charging chip QMP1101 is adjusted through the VDRV signal to realize constant current charging.
Further, the antenna bonding pad 14 is connected with a radio frequency antenna, and the radio frequency antenna is connected with the main control chip through a radio frequency power amplifier.
As shown in fig. 1, in the present invention, an LED pad 4, a motor pad 5, and a toggle pad 6 are disposed on the left side of the main control chip from top to bottom.
As shown in fig. 15, further, the LED lamp is welded on the LED bonding pad 4, the LED lamp is connected with the main control chip, the main control chip controls the on/off of the LED lamp, the working state of the interphone is prompted to serve as a flashlight, the toggle switch bonding pad 6 is welded with a flashlight toggle switch, the flashlight toggle switch is connected with the main control chip through a flashlight control circuit, and the LED lamp is turned on or turned off by a mode user.
Furthermore, the ringing is welded on the motor bonding pad 5, the ringing is connected with the main control chip through the power management chip, the interphone can set vibration reminding, and the convenience is brought to users to process information in time. As shown in fig. 1, in the present invention, an earpiece pad 11 and a horn pad 12 are provided from top to bottom on the right side of the main control chip.
Furthermore, the receiver is welded on the receiver bonding pad 11, and the receiver is connected with the main control chip through the power management chip. As shown in fig. 16, the handset circuit is configured such that the main control chip U502 processes a received signal through the power management chip, and sends the processed signal to the handset J3103 through the resistor R909 and the resistor R910 to generate a sound. The interphone also has the function of an earphone, the earphone is connected with the main control chip through the power management chip, and the earphone frees the hands of a caller, so that the working efficiency of the user is improved.
Furthermore, the loudspeaker is welded on the horn bonding pad 12, the loudspeaker is connected with the main control chip through the power management chip, and the loudspeaker is used for playing audio information. As shown in fig. 17, in the speaker circuit, the main control chip U502 sends the received signal to the audio amplifier U790 through the power management chip, the capacitor C794 and the resistor R790 for signal amplification, and then outputs the signal to the speaker SPK790 through the resistor R795 and the resistor R796, so that the speaker generates sound.
In the utility model, an LCD pad 15, a CAM pad 16 and a side key pad 17 are arranged above the other surface of the interphone mainboard.
Furthermore, the display screen is welded on the LCD bonding pad 15, the display screen is connected with the main control chip through the display circuit, and the display screen is used for displaying key information on the interphone, such as displaying time, weather, talkback messages and the like, so that a user can conveniently check the information and perform corresponding operations. As shown in fig. 18, the display screen J1001 is directly controlled by the main control chip U502.
Further, the camera is welded on the CAM bonding pad 16, the camera is connected with the main control chip through the camera circuit, and the camera can be used for collecting photos or video information. As shown in fig. 19, the camera J1003 is directly controlled by the main control chip U502.
Furthermore, the key of the interphone is welded on the side key welding plate 17, so that the interphone is prevented from being touched and pressed by mistake when the interphone is used.
As shown in fig. 2, in the present invention, a keyboard is disposed at the middle lower portion of the other surface of the main board of the interphone, a power key 18 is disposed on the keyboard, and the power key 18 is used for starting or closing the interphone.
The utility model can initiate communication without other auxiliary equipment, and almost has no time delay in the direct mode. The public network interphone carries out talkback service through an operator network, has the advantages of long-distance communication and clear voice, saves communication cost for users, and simultaneously meets the demand of users for immediate communication of cross-city and long-distance coordinated operation so as to realize intercommunication between networks operated by different operators and different terminal manufacturers.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.
The utility model is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the utility model is not limited in the above manner, and it is within the scope of the utility model to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.
Claims (10)
1. A plug-in type through non-delay public network interphone is characterized by comprising an interphone mainboard arranged inside an interphone body, wherein the interphone mainboard comprises a main control chip, a radio frequency processing module, an audio processing module, an input/output module, a power management module and a logic control circuit which are connected with the main control chip,
the radio frequency processing module comprises a radio frequency antenna, the radio frequency antenna is connected with the main control chip through a radio frequency power amplifier,
the audio processing module comprises an earphone, a microphone, a receiver and a loudspeaker, the earphone, the microphone, the receiver and the loudspeaker are respectively connected with the main control chip through a power management chip,
the input and output module comprises a first SIM card, a second SIM card, a TF card, a display screen and a camera, wherein the first SIM card and the second SIM card are respectively connected with the main control chip through an SIM circuit, the TF card is connected with the main control chip through a TF circuit, the display screen is connected with the main control chip through a display circuit, the camera is connected with the main control chip through a camera circuit,
the power management module comprises a lithium battery and a USB interface, the USB interface is connected with the lithium battery through a charging circuit,
the logic control circuit comprises a locking key, a keyboard and a flashlight toggle switch, wherein the keyboard is connected with the main control chip through a key circuit, and the flashlight toggle switch is connected with the main control chip through a flashlight control circuit.
2. The card-inserted through non-delay public network interphone according to claim 1, wherein the main control chip is arranged in the middle of one surface of the interphone main board, a first SIM card holder, a second SIM card holder and a TF card holder are arranged above the main control chip, the first SIM card is inserted into the first SIM card holder, the second SIM card is inserted into the second SIM card holder, and the TF card is inserted into the TF card holder.
3. The card-inserting type through non-delay public network interphone according to claim 1, characterized in that a battery holder, an MIC pad, a USB interface holder and an antenna pad are arranged below the main control chip, the lithium battery is installed on the battery holder, the microphone is welded on the MIC pad, the USB interface is welded on the USB interface holder, and the radio frequency antenna is welded on the antenna pad.
4. The card-inserting type through non-delay public network interphone according to claim 1, wherein one side of the main control chip is provided with an LED bonding pad, a motor bonding pad and a toggle switch bonding pad from top to bottom, and the flashlight toggle switch is welded on the toggle switch bonding pad.
5. The card-inserted through non-delay public network interphone according to claim 4, wherein the input/output module further comprises an LED lamp, the LED lamp is welded on the LED bonding pad, and the LED lamp is connected with the main control chip through a flashlight control circuit.
6. The card-inserted through non-delay public network interphone according to claim 4, wherein the input and output module further comprises a ring, the ring is welded on the motor bonding pad, and the ring is connected with the main control chip.
7. The plug-in card type through non-delay public network interphone according to claim 1, wherein a receiver bonding pad and a speaker bonding pad are arranged on the other side of the main control chip from top to bottom, the receiver is welded on the receiver bonding pad, and the speaker is welded on the speaker bonding pad.
8. The card-inserting type through non-delay public network interphone according to claim 1, wherein an LCD pad, a CAM pad and a side key pad are arranged above the other surface of the interphone mainboard, the display screen is welded on the LCD pad, the camera is welded on the CAM pad, and the locker key is welded on the side key pad.
9. The card-inserted through non-delay public network interphone according to claim 1, wherein the keyboard is arranged below the middle of the other surface of the interphone mainboard, and the keyboard is provided with a power key.
10. The card-inserted through non-delay public network interphone according to claim 1, wherein the main control chip is UIS8910 FF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121858896.9U CN216122399U (en) | 2021-08-10 | 2021-08-10 | Card-inserting type straight-through non-delay public network interphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121858896.9U CN216122399U (en) | 2021-08-10 | 2021-08-10 | Card-inserting type straight-through non-delay public network interphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216122399U true CN216122399U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121858896.9U Active CN216122399U (en) | 2021-08-10 | 2021-08-10 | Card-inserting type straight-through non-delay public network interphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216122399U (en) |
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2021
- 2021-08-10 CN CN202121858896.9U patent/CN216122399U/en active Active
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