A voice intercom device

Abstract

The utility model discloses a voice intercom device, voice intercom device includes: voice emission module, voice receiving module, voice call button 110, MCU control module, MCU control module controls voice emission module to send call signal and user's voice signal, display screen module is used to show digit, first plug module, one end of first plug module is connected to computer interface, and the other end of first plug module is used to power supply voice emission module, voice receiving module, MCU control module and display screen module. The utility model has the beneficial effect that: after user presses voice call button 110, user communicates with the real -time voice of server through voice intercom device. User can obtain seat number or room number information from display screen module when communicating, thereby directly informs service personnel of server, avoids server service personnel after receiving multiple call signals simultaneously and can not confirm the position of user, improves the communication efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of voice communication technology, and specifically relates to a voice intercom device. Background Technology

[0002] Currently, e-sports hotels, internet cafes, and card rooms typically only have call buttons. After pressing the button, the front desk staff needs to walk to the user at the corresponding location to inquire about the service required and then return to the front desk to retrieve the relevant items. This results in very low communication efficiency and an inability to quickly meet customer needs. Utility Model Content

[0003] To address the aforementioned problems, the primary objective of this invention is to provide a voice intercom device to resolve these technical issues.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] Please see Figure 1 The first aspect of this utility model provides an intercom system with voice transmission and voice reception functions. The intercom system includes a server and a user terminal, and the server and the user terminal are connected in communication.

[0006] The user terminal includes:

[0007] The voice transmission module is used to send call signals and user voice signals to the server;

[0008] The voice receiving module is used to receive voice signals from the server.

[0009] Button module;

[0010] The MCU control module is connected to the voice transmission module, the voice reception module, and the button module, respectively.

[0011] The MCU control module controls the voice transmission module to send call signals and user voice signals.

[0012] Compared to existing technologies, the advantages of an intercom system with voice transmission and reception functions are as follows: After the user presses the button module, the MCU control module controls the voice transmission module to send a call signal and the user's voice signal to the server, and the voice reception module receives the voice signal from the server personnel, thus enabling real-time voice communication between the user and the server. Users can quickly and promptly state their needs without waiting for service personnel to arrive, saving communication time and improving efficiency. Server personnel can learn the caller's specific room number or location in advance through the call signal, facilitating subsequent voice communication and saving their own time, thus improving overall communication efficiency.

[0013] Please see Figure 17 The second aspect of this utility model provides a voice intercom device, which is applied to an intercom system. The intercom system includes a server and a user, and the server and the user are connected in communication.

[0014] The user terminal includes a housing, and the voice intercom device is housed within the housing;

[0015] The voice intercom device includes:

[0016] The voice transmission module is used to send call signals and user voice signals to the server;

[0017] The voice receiving module is used to receive voice signals from the server.

[0018] Voice call button 110;

[0019] The MCU control module is connected to the voice transmission module, the voice reception module, and the voice call button 110, respectively.

[0020] The MCU control module controls the voice transmission module to send call signals and user voice signals;

[0021] Display module, used to display numbers;

[0022] The first plug module has one end connected to the computer interface and the other end connected to the voice transmitting module, voice receiving module, MCU control module and display module respectively, and is used to supply power to the voice transmitting module, voice receiving module, MCU control module and display module.

[0023] Preferably, the numbers displayed on the display module can be information such as seat number or room number.

[0024] Compared with existing technologies, the beneficial effects of a voice intercom device are as follows: After the user presses the voice call button 110, the MCU control module controls the voice transmission module to send a call signal and the user's voice signal to the server, and the voice receiving module receives the voice signal from the server personnel, thereby realizing real-time voice communication between the user and the server. During communication, the user can obtain information such as seat number or room number from the display module, thus directly informing the server personnel. This avoids the server personnel being unable to confirm the user's location after receiving multiple call signals simultaneously, improving communication efficiency. Attached Figure Description

[0025] Figure 1 This is a module diagram of an intercom system with voice transmission and reception functions.

[0026] Figure 2 This is the circuit diagram for the second plug, the reset button, and the power button.

[0027] Figure 3 This is the circuit diagram for the plus / minus keys and the setting key.

[0028] Figure 4 This is a module diagram of the user side.

[0029] Figure 5 This is the circuit diagram of the MCU control module.

[0030] Figure 6 This is the circuit diagram of the baseband processing unit.

[0031] Figure 7 This is the circuit diagram of the noise reduction switching unit.

[0032] Figure 8 This is the circuit diagram of the noise reduction unit.

[0033] Figure 9 This is the circuit diagram of the speaker unit.

[0034] Figure 10 This is the circuit diagram of the microphone unit.

[0035] Figure 11 This is the circuit diagram of the button module.

[0036] Figure 12 This is the circuit diagram of the power supply module.

[0037] Figure 13 This is the circuit diagram of the power amplifier unit and the driver amplifier unit.

[0038] Figure 14 This is the circuit diagram of a low-pass filter unit.

[0039] Figure 15 This is the circuit diagram of the high-frequency amplifier unit.

[0040] Figure 16 This is the circuit diagram of the TXRX switching unit.

[0041] Figure 17 This is a block diagram of the overall module of the voice intercom device.

[0042] Figure 18 This is a block diagram of a voice intercom device.

[0043] Figure 19 This is the circuit diagram of the first connector and the filter.

[0044] Figure 20 This is the circuit diagram of a voltage regulator.

[0045] Figure 21 This is the circuit diagram of USB hub U1.

[0046] Figure 22 This is the circuit diagram for the first USB interface.

[0047] Figure 23 This is the circuit diagram for the second USB interface.

[0048] Figure 24 This is the circuit diagram for the third USB interface.

[0049] Figure 25 This is a circuit diagram for a TYPE-C interface.

[0050] Figure 26 This is the circuit diagram of the driver chip.

[0051] Figure 27 This is the circuit diagram for a digital tube display.

[0052] Figure 28 This is an overall structural diagram of the voice intercom device.

[0053] In the diagram: 10, microphone unit; 20, noise reduction switching unit; 30, noise reduction unit; 40, baseband processing unit; 50, baseband processing unit; 60, power amplifier unit; 70, TXRX switching unit; 80, low-pass filter unit; 90, high-frequency amplifier unit; 100, speaker unit; 110, voice call button; 900, housing. Detailed Implementation

[0054] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0055] To achieve the above objectives, the technical solution of this utility model is as follows:

[0056] Please see Figure 1 The first aspect of this utility model provides an intercom system with voice transmission and voice reception functions. The intercom system includes a server and a user terminal, and the server and the user terminal are connected in communication.

[0057] The user end includes:

[0058] The voice transmission module is used to send call signals and user voice signals to the server;

[0059] The voice receiving module is used to receive voice signals from the server.

[0060] Button module;

[0061] The MCU control module is connected to the voice transmission module, the voice reception module, and the button module, respectively.

[0062] The MCU control module controls the voice transmission module to send call signals and user voice signals.

[0063] Preferably, the call signal may include prompts such as "A customer is calling from seat xx" or "A customer in room xx needs service." It should be noted that the above is only an example and this application does not limit it.

[0064] Preferably, the server can be set up in the front desk area of ​​e-sports hotels, internet cafes, card rooms, etc., to provide services to users, while the user terminal can be set up in the rooms of e-sports hotels, next to the computers in internet cafes, card tables in card rooms, etc.

[0065] Compared to existing technologies, the advantages of an intercom system with voice transmission and reception functions are as follows: After the user presses the button module, the MCU control module controls the voice transmission module to send a call signal and the user's voice signal to the server, and the voice reception module receives the voice signal from the server personnel, thus enabling real-time voice communication between the user and the server. Users can quickly and promptly state their needs without waiting for service personnel to arrive, saving communication time and improving efficiency. Server personnel can learn the caller's specific room number or location in advance through the call signal, facilitating subsequent voice communication and saving their own time, thus improving overall communication efficiency.

[0066] In this embodiment, please refer to Figure 5 The MCU control module includes an MCU chip IC3, which is connected to the voice transmission module, the voice reception module, and the button module.

[0067] Preferably, the MCU chip IC3 can be a TA3786F.

[0068] In this embodiment, please refer to Figure 11 The button module includes a voice call button 110, a volume up button, and a volume down button;

[0069] MCU chip IC3 is connected to the voice call button via RXD / PTT signals, and to both the volume up and volume down buttons via VOL signals. In one working scenario, after the user presses the voice call button, the user's voice signal is transmitted to the server via the voice transmission module.

[0070] In this embodiment, please refer to Figure 4 The voice transmission module includes a microphone unit 10, a noise reduction switching unit 20, a noise reduction unit 30, a baseband processing unit 40, a drive amplification unit 50, a power amplification unit 60, a TXRX switching unit 70, a low-pass filter unit 80, and an antenna ANT connected in sequence.

[0071] In one working scenario, the microphone unit 10 at the transmitting end collects the user's voice signal. After signal switching processing by the noise reduction switching unit 20, the signal enters the baseband processing unit 40 to generate an RF carrier signal. The RF carrier signal passes through the driver amplification unit 50 and the power amplification unit 60 to generate rated RF power, and then passes through the TXRX switching unit 70 to send it to the low-pass filter unit 80 to suppress harmonic components, obtaining the transmitted signal. The transmitted signal is transmitted to the server via the antenna ANT. The transmitted signal includes the user's voice signal and call signal.

[0072] The MCU chip IC3 is connected to the microphone unit 10, noise reduction switching unit 20, noise reduction unit 30, baseband processing unit 40, driver amplification unit 50, power amplification unit 60, TXRX switching unit 70, and low-pass filter unit 80, respectively. The MCU chip IC3 controls the functional operation of each unit to control its operating state. For example, the MCU chip IC3 controls the switching between receive and transmit states in the TXRX switching unit 70.

[0073] In this embodiment, please refer to Figure 4 The voice receiving module includes an antenna ANT, a low-pass filter unit 80, a TXRX switching unit 70, a high-frequency amplification unit 90, a baseband processing unit 40, a noise reduction switching unit 20, a noise reduction unit 30, and a speaker unit 100 connected in sequence.

[0074] In one working scenario, the antenna ANT receives the voice signal sent by the server. After passing through the low-pass filter unit 80 and the TXRX switching unit 70, it is sent to the high-frequency amplification unit 90 for high-frequency amplification. The baseband processing unit 40 generates an audio signal, which is then processed by the noise reduction switching unit 20. After that, it is input to the noise reduction unit 30 for noise reduction processing, and finally the audio is output through the speaker unit 100.

[0075] The MCU chip IC3 is connected to the low-pass filter unit 80, the TXRX switching unit 70, the high-frequency amplification unit 90, the baseband processing unit 40, the noise reduction switching unit 20, the noise reduction unit 30, and the speaker unit 100. The MCU chip IC3 controls the functional operations of each unit to control its operating state. For example, the MCU chip IC3 controls the switching between receive and transmit states in the TXRX switching unit 70.

[0076] In this embodiment, please refer to Figure 6 The baseband processing unit includes a baseband chip IC4, which is connected to the MCU chip IC3 via SDA4839, SCN4839, and SCK4839 signals. The MCU chip IC3 sends instructions to the baseband chip IC4 to control and manage the baseband chip IC4 to perform signal processing functions such as pre-emphasis, de-emphasis, modulation, and demodulation.

[0077] Preferably, the baseband chip IC4 can be model BK4839.

[0078] In this embodiment, please refer to Figure 7 The noise reduction switching unit includes a first signal switcher U3, a second signal switcher U4, and a third signal switcher U5. The first signal switcher U3 is connected to the second signal switcher U4, and the third signal switcher U5 is connected to the second signal switcher U4.

[0079] Preferably, the first signal switcher U3, the second signal switcher U4, and the third signal switcher U5 can be of model BL1551.

[0080] In the context of voice transmission, please refer to Figure 7 and Figure 10 The third signal switcher U5 is connected to the microphone unit via the MIC-IN signal, and the second signal switcher U4 is connected to the microphone unit via the MIC-OUT signal.

[0081] In the context of voice reception, please refer to Figure 7 and Figure 9 The third signal switcher U5 is connected to the speaker unit via the AF OUT signal.

[0082] In this embodiment, please refer to Figure 8 The noise reduction unit includes a noise reduction chip IC8. The noise reduction chip IC8 is connected to the third signal switch U5 via the NRIN signal, and the noise reduction chip IC8 is connected to the first signal switch U3 via the NRIN signal, the NROUT signal, and the PNC_POW signal.

[0083] Preferably, the noise reduction chip IC8 can be model CI13322.

[0084] In this embodiment, please refer to Figure 14 The low-pass filter unit includes inductors L1, L2, L3, L4, capacitors C5, C6, C13, and C15.

[0085] Inductors L1, L2, L3, L4, and C15 are connected in series.

[0086] Capacitor C5 is connected in parallel with inductor L2, capacitor C6 is connected in parallel with inductor L3, and capacitor C13 is connected in parallel with inductor L4.

[0087] In this embodiment, please refer to Figure 16 The TXRX switching unit includes transistors Q11 and Q2. The base of transistor Q11 is connected to MCU chip IC3 via the TX-P signal, and the base of transistor Q2 is connected to baseband chip IC4 via the RX-P signal. Transistor Q11 transmits signals, and transistor Q2 receives signals.

[0088] Preferably, transistor Q11 can be a 2SB624 and transistor Q2 can be a DTA114EE.

[0089] In this embodiment, please refer to Figure 15 The high-frequency amplification unit includes transistor Q6. The collector of transistor Q6 is connected to the collector of transistor Q2. The collector of transistor Q6 is connected to baseband chip IC4 via the RFIN signal.

[0090] Preferably, the transistor Q6 can be an FC4226.

[0091] In this embodiment, please refer to Figure 13 The power amplifier unit includes transistor Q7, which is connected to transistor Q11.

[0092] Preferably, the transistor Q7 can be of model number H0602C.

[0093] In this embodiment, please refer to Figure 13 The amplification unit includes transistor Q8, whose collector is connected to the base of transistor Q7, and whose base is connected to baseband chip IC4 via the RFOUT signal.

[0094] Preferably, the transistor Q8 can be an M5085.

[0095] In this embodiment, please refer to Figure 12 The user end also includes a power module, which comprises a power supply (POWER), a voltage regulator (Q5), and a power button (POWER1). The power supply (POWER) is connected to the voltage regulator (Q5) via the power button (POWER1), generating a stable operating voltage of 3V required by various circuits. In some implementations, the power supply (POWER) can operate intermittently to ensure power saving.

[0096] Preferably, the voltage regulator Q5 can be model LN1134A302M (3V).

[0097] In this embodiment, please refer to Figure 9 The speaker unit includes an audio amplifier IC2 and a speaker. The audio amplifier IC2 is connected to the MCU chip IC3 via the TXD / BEEP signal and the POW4871 signal. The audio amplifier IC3 is connected to the second signal switcher U4 via the AF OUT signal.

[0098] Preferably, the audio amplifier IC2 can be an NS4102.

[0099] Please see Figure 17 and Figure 28 The second aspect of this utility model provides a voice intercom device, which is applied to an intercom system. The intercom system includes a server and a user, and the server and the user are connected in communication.

[0100] The user terminal includes a housing 900, and a voice intercom device is installed in the housing 900;

[0101] The voice intercom device includes:

[0102] The voice transmission module is used to send call signals and user voice signals to the server;

[0103] The voice receiving module is used to receive voice signals from the server.

[0104] Voice call button 110;

[0105] The MCU control module is connected to the voice transmission module, the voice reception module, and the voice call button 110, respectively.

[0106] The MCU control module controls the voice transmission module to send call signals and user voice signals;

[0107] Display module, used to display numbers;

[0108] The first plug module has one end connected to the computer interface and the other end connected to the voice transmitting module, voice receiving module, MCU control module and display module respectively, and is used to supply power to the voice transmitting module, voice receiving module, MCU control module and display module.

[0109] Preferably, the numbers displayed on the display module can be information such as seat number or room number.

[0110] Compared with existing technologies, the beneficial effects of a voice intercom device are as follows: After the user presses the voice call button 110, the MCU control module controls the voice transmission module to send a call signal and the user's voice signal to the server, and the voice receiving module receives the voice signal from the server personnel, thereby realizing real-time voice communication between the user and the server. During communication, the user can obtain information such as seat number or room number from the display module, thus directly informing the server personnel. This avoids the server personnel being unable to confirm the user's location after receiving multiple call signals simultaneously, improving communication efficiency.

[0111] In this embodiment, please refer to Figure 26 and Figure 27 The display module includes a driver chip T4 and a digital tube T5. The driver chip T4 is connected to the first plug module and the digital tube T5 respectively.

[0112] The digital tube T5 is set on the outer surface of the housing 900.

[0113] In this embodiment, please refer to Figure 19 The first plug module includes a first plug CN1, which has a VBUS pin for transmitting a BUS_5V signal.

[0114] In some implementations, the first plug CN1 is connected to a computer USB port, thereby supplying 5V power to the circuit module in the voice intercom device through the first plug CN1.

[0115] In this embodiment, please refer to Figure 20 The display module also includes a voltage regulator U2, which is connected to the first plug CN1 via a BUS_5V signal, and the driver chip T4 is connected to the voltage regulator U2 via a VDD33 signal.

[0116] Preferably, the first plug CN1 can be a USB 3.0 plug, and the voltage regulator U2 can be a TD6810.

[0117] In this embodiment, please refer to Figure 3The display module also includes a plus / minus key K5 and a setting key K4. The plus / minus key K5 is connected to the first plug CN1 via a SW2 signal, and the setting key K4 is connected to the first plug CN1 via a SW1 signal.

[0118] The addition / subtraction key K5 and the setting key K4 are protruding and set on the outer surface of the housing 900.

[0119] In some implementations, the digital tube displays three 8s when powered on. To display other specific numbers such as "123", press and hold the setting key K4 to enter setting mode. The last digit of the digital tube will flash. Then, press the plus / minus keys K5 (each press increments the number by 1, cycling from 0 to 9 to 0) to adjust the number to 3. Press the setting key K4 again to switch the digital tube to the middle position. Press the plus / minus keys K5 again to adjust the number to 2. Press the setting key K4 again to switch the digital tube to the first position. Press the plus / minus keys K5 again to adjust the number to 1. The digital tube will then display "123". After adjustment, wait for the digital tube to stop flashing, then exit setting mode. At this point, clicking the setting key K4 and the plus / minus keys K5 will have no effect, preventing accidental touches. The voice intercom device automatically memorizes its settings upon power-off and will not lose them.

[0120] Preferably, each time the setting key is pressed and held to enter the setting mode, the last digit of the digital tube flashes. At this time, the setting key K4 is clicked to adjust the digit, and the addition / subtraction key K5 is pressed to adjust the number.

[0121] In this embodiment, please refer to Figure 2 The voice intercom device also includes a second plug CN5, a reset button K3, and a power button K2. One end of the second plug CN5 is connected to the computer interface, and the other end of the second plug CN5 is connected to the reset button K3 and the power button K2. The voice call button 110 is connected to the second plug CN5. The reset button K3 and the power button K2 protrude from the outer surface of the housing 900. Specifically, the reset button K3 is connected to the computer motherboard via the second plug CN5 to enable the computer to reset; the power button K2 is connected to the computer motherboard via the second plug CN5 to enable the computer to power on / off.

[0122] Preferably, the second plug CN5 can be a USB 2.0 plug.

[0123] In this embodiment, please refer to Figure 21 and Figure 25 The voice intercom device also includes an interface module, which includes a USB hub U1, multiple USB ports and a TYPE-C port T3. One end of the USB hub U1 is connected to the first plug CN1, and the other end of the USB hub U1 is connected to the multiple USB ports and the TYPE-C port T3 respectively.

[0124] Multiple USB ports and a Type-C port T3 protrude from the outer surface of the housing 900.

[0125] Preferably, the USB hub U1 can be model CH332P.

[0126] In this embodiment, please refer to Figure 19 The interface module also includes a filter CM1, through which the USB hub U1 is connected to the first plug CN1;

[0127] Preferably, filter CM1 is a common-mode filter, and the model of filter CM1 can be DLW0805ST900NP.

[0128] USB hub U1 is connected to filter CM1 via DM_UP0_U1 and DP_UP0_U1 signals, and first connector CN1 is connected to filter CM1 via USBDP-1 and USBDP+1 signals.

[0129] In this embodiment, please refer to Figure 22 , Figure 23 and Figure 24 The system includes multiple USB ports, including a first USB port J12, a second USB port J3, and a third USB port J11.

[0130] Preferably, the first USB interface J12 can be a USB 2.0 interface, the second USB interface J3 can be a USB 2.0 interface, and the third USB interface J11 can be a USB 3.0 interface.

[0131] The first USB interface J12 is connected to the first plug CN1 via the BUS_5V signal, and the first USB interface J12 is connected to the USB hub U1 via the DP2 signal and the DM2 signal.

[0132] The second USB interface J3 is connected to the first plug CN1 via the BUS_5V signal, and the second USB interface J3 is connected to the USB hub U1 via the DP1 signal and the DM1 signal.

[0133] The third USB interface J11 is connected to the first plug CN1 via BUS_5V signal, TX- signal, TX+ signal, RX- signal and RX+ signal, and the third USB interface J11 is connected to the USB interface J11 via DP4 signal and DM4 signal.

[0134] In this embodiment, please refer to Figure 25The TYPE-C interface T3 is connected to the first plug CN1 via the BUS_5V signal, and the TYPE-C interface T3 is connected to the USB hub U1 via the DP3 signal, DM3 signal, DP1 signal, and DM1 signal.

[0135] In some embodiments, the first USB interface J12 and the second USB interface J3 implement USB 2.0 data transmission through the USB hub U1, and the third USB interface J11 is connected to the first plug CN1 to implement USB 3.0 data transmission.

[0136] In this embodiment, the voice transmitting module includes a microphone unit, and the voice receiving module includes a speaker unit;

[0137] The microphone unit and speaker unit are located on the outer surface of the housing 900, and the voice call button is protruding on the housing 900.

[0138] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A voice intercom device, characterized in that, The voice intercom device is used in the intercom system, which includes a server and a user, and the server and user are connected for communication. The user terminal includes a housing, and the voice intercom device is housed within the housing; The voice intercom device includes: The voice transmission module is used to send call signals and user voice signals to the server; The voice receiving module is used to receive voice signals from the server. Voice call button; The MCU control module is connected to the voice transmission module, the voice reception module, and the voice call button, respectively. The MCU control module controls the voice transmission module to send call signals and user voice signals; Display module, used to display numbers; The first plug module has one end connected to the computer interface and the other end connected to the voice transmitting module, voice receiving module, MCU control module and display module respectively, and is used to supply power to the voice transmitting module, voice receiving module, MCU control module and display module.

2. The voice intercom device as described in claim 1, characterized in that, The display module includes a driver chip T4 and a digital tube T5, with the driver chip T4 connected to the first plug module and the digital tube T5 respectively. The digital tube T5 is mounted on the outer surface of the housing.

3. The voice intercom device as described in claim 2, characterized in that, The first plug module includes a first plug CN1, which has a VBUS pin for transmitting a BUS_5V signal.

4. The voice intercom device as described in claim 3, characterized in that, The display module also includes a voltage regulator U2, which is connected to the first plug CN1 via a BUS_5V signal, and the driver chip T4 is connected to the voltage regulator U2 via a VDD33 signal.

5. The voice intercom device as described in claim 3, characterized in that, The display module also includes a plus / minus key K5 and a setting key K4. The plus / minus key K5 is connected to the first plug CN1 via a SW2 signal, and the setting key K4 is connected to the first plug CN1 via a SW1 signal. The plus / minus keys K5 and the setting key K4 are protruding and set on the outer surface of the housing.

6. The voice intercom device as described in claim 1, characterized in that, The voice intercom device also includes a second plug CN5, a reset button K3, and a power button K2. One end of the second plug CN5 is connected to the computer interface, and the other end of the second plug CN5 is connected to the reset button K3 and the power button K2. The voice call button 110 is connected to the second plug CN5. The reset button K3 and the power button K2 are protruding and set on the outer surface of the casing.

7. The voice intercom device as described in claim 3, characterized in that, The voice intercom device also includes an interface module, which includes a USB hub U1, multiple USB ports and a TYPE-C port T3. One end of the USB hub U1 is connected to the first plug CN1, and the other end of the USB hub U1 is connected to the multiple USB ports and the TYPE-C port T3 respectively. Multiple USB ports and a Type-C port T3 protrude from the outer surface of the housing.

8. The voice intercom device as described in claim 7, characterized in that, The plurality of USB interfaces include a first USB interface J12, a second USB interface J3, and a third USB interface J11; The first USB interface J12 is connected to the first plug CN1 via the BUS_5V signal, and the first USB interface J12 is connected to the USB hub U1 via the DP2 signal and the DM2 signal. The second USB interface J3 is connected to the first plug CN1 via the BUS_5V signal, and the second USB interface J3 is connected to the USB hub U1 via the DP1 signal and the DM1 signal. The third USB interface J11 is connected to the first plug CN1 via BUS_5V signal, TX- signal, TX+ signal, RX- signal and RX+ signal, and the third USB interface J11 is connected to the USB interface J11 via DP4 signal and DM4 signal.

9. The voice intercom device as described in claim 7, characterized in that, The TYPE-C interface T3 is connected to the first plug CN1 via the BUS_5V signal, and the TYPE-C interface T3 is connected to the USB hub U1 via the DP3 signal, DM3 signal, DP1 signal, and DM1 signal.

10. The voice intercom device as described in claim 1, characterized in that, The voice transmitting module includes a microphone unit, and the voice receiving module includes a speaker unit; The microphone and speaker units are located on the outer surface of the housing, and the voice call button protrudes from the housing.

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